Initial commit for new posts layout

app/build.gradle

@@ -20,6 +20,9 @@ android {
     }
 
     compileOptions {
+        // Flag to enable support for the new language APIs
+        coreLibraryDesugaringEnabled true
+
         targetCompatibility JavaVersion.VERSION_1_8
         sourceCompatibility JavaVersion.VERSION_1_8
     }
@@ -37,24 +40,29 @@ android {
 }
 
 dependencies {
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.0.10'
+
     def appcompat_version = "1.2.0"
     def nav_version = "2.3.0"
-    def preference_version = "1.1.1"
 
-    implementation 'com.google.android.material:material:1.3.0-alpha02'
-    implementation 'com.google.android.exoplayer:exoplayer:2.11.1'
+    implementation 'com.google.android.material:material:1.3.0-alpha03'
+    implementation 'com.google.android.exoplayer:exoplayer:2.12.0'
 
     implementation "androidx.appcompat:appcompat:$appcompat_version"
     implementation "androidx.appcompat:appcompat-resources:$appcompat_version"
-    implementation "androidx.recyclerview:recyclerview:1.2.0-alpha05"
+    implementation "androidx.recyclerview:recyclerview:1.2.0-alpha06"
     implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
     implementation "androidx.viewpager2:viewpager2:1.0.0"
     implementation "androidx.navigation:navigation-fragment:$nav_version"
     implementation "androidx.navigation:navigation-ui:$nav_version"
-    implementation "androidx.constraintlayout:constraintlayout:2.0.1"
-    implementation "androidx.preference:preference:$preference_version"
+    implementation "androidx.constraintlayout:constraintlayout:2.0.2"
+    implementation "androidx.preference:preference:1.1.1"
+    implementation "androidx.work:work-runtime:2.4.0"
+
+    implementation 'com.google.guava:guava:27.0.1-android'
 
 //    implementation 'com.github.hendrawd:StorageUtil:1.1.0'
+    implementation 'com.github.armcha:AutoLinkTextViewV2:2.1.1'
 
     implementation 'org.jsoup:jsoup:1.13.1'
     implementation 'com.facebook.fresco:fresco:2.3.0'
@@ -63,5 +71,7 @@ dependencies {
     implementation 'com.squareup.retrofit2:converter-scalars:2.9.0'
     implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
 
-    debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.4'
+    debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.5'
+
+    testImplementation 'org.junit.jupiter:junit-jupiter:5.7.0'
 }

app/src/main/java/awais/instagrabber/InstaGrabberApplication.java

@@ -32,12 +32,16 @@ public final class InstaGrabberApplication extends Application {
     @Override
     public void onCreate() {
         super.onCreate();
+        // final Set<RequestListener> requestListeners = new HashSet<>();
+        // requestListeners.add(new RequestLoggingListener());
         final ImagePipelineConfig imagePipelineConfig = ImagePipelineConfig
                 .newBuilder(this)
                 // .setMainDiskCacheConfig(diskCacheConfig)
+                // .setRequestListeners(requestListeners)
                 .setDownsampleEnabled(true)
                 .build();
         Fresco.initialize(this, imagePipelineConfig);
+        // FLog.setMinimumLoggingLevel(FLog.VERBOSE);
 
         if (BuildConfig.DEBUG) {
             try {

app/src/main/java/awais/instagrabber/activities/Login.java

@@ -5,6 +5,7 @@ import android.content.Intent;
 import android.graphics.Bitmap;
 import android.os.Build;
 import android.os.Bundle;
+import android.view.LayoutInflater;
 import android.view.View;
 import android.webkit.CookieManager;
 import android.webkit.CookieSyncManager;
@@ -59,7 +60,7 @@ public final class Login extends BaseLanguageActivity implements View.OnClickLis
     @Override
     protected void onCreate(@Nullable final Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        loginBinding = ActivityLoginBinding.inflate(getLayoutInflater());
+        loginBinding = ActivityLoginBinding.inflate(LayoutInflater.from(getApplicationContext()));
         setContentView(loginBinding.getRoot());
 
         initWebView();
@@ -117,12 +118,9 @@ public final class Login extends BaseLanguageActivity implements View.OnClickLis
                 webSettings.setDisplayZoomControls(false);
                 webSettings.setLoadWithOverviewMode(true);
                 webSettings.setUseWideViewPort(true);
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
-                    webSettings.setAllowFileAccessFromFileURLs(true);
-                    webSettings.setAllowUniversalAccessFromFileURLs(true);
-                }
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
-                    webSettings.setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
+                webSettings.setAllowFileAccessFromFileURLs(true);
+                webSettings.setAllowUniversalAccessFromFileURLs(true);
+                webSettings.setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
             }
 
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1) {

app/src/main/java/awais/instagrabber/activities/MainActivity.java

@@ -9,6 +9,7 @@ import android.content.Intent;
 import android.content.ServiceConnection;
 import android.content.res.TypedArray;
 import android.database.MatrixCursor;
+import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Build;
@@ -94,7 +95,9 @@ public class MainActivity extends BaseLanguageActivity implements FragmentManage
             R.id.notificationsViewer,
             R.id.themePreferencesFragment,
             R.id.favoritesFragment,
-            R.id.backupPreferencesFragment);
+            R.id.backupPreferencesFragment
+            // , R.id.postViewV2Fragment
+    );
     private static final Map<Integer, Integer> NAV_TO_MENU_ID_MAP = new HashMap<>();
     private static final List<Integer> REMOVE_COLLAPSING_TOOLBAR_SCROLL_DESTINATIONS = Collections.singletonList(R.id.commentsViewerFragment);
     private static final String FIRST_FRAGMENT_GRAPH_INDEX_KEY = "firstFragmentGraphIndex";
@@ -157,10 +160,6 @@ public class MainActivity extends BaseLanguageActivity implements FragmentManage
             bindActivityCheckerService();
         }
         getSupportFragmentManager().addOnBackStackChangedListener(this);
-
-        // Log.d("austin_debug", "dir: "+Arrays.toString(StorageUtil.getStorageDirectories(getApplicationContext())));
-        // final File sdcard = new File(StorageUtil.getStorageDirectories(getApplicationContext())[0]);
-        // Log.d("austin_debug", "files: "+Arrays.toString(sdcard.listFiles()));
     }
 
     @Override
@@ -222,7 +221,7 @@ public class MainActivity extends BaseLanguageActivity implements FragmentManage
 
     @Override
     public void onBackPressed() {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && isTaskRoot() && isBackStackEmpty) {
+        if (isTaskRoot() && isBackStackEmpty) {
             finishAfterTransition();
         } else {
             super.onBackPressed();
@@ -626,4 +625,19 @@ public class MainActivity extends BaseLanguageActivity implements FragmentManage
     public BottomNavigationView getBottomNavView() {
         return binding.bottomNavView;
     }
+
+    public void fitSystemWindows(final boolean fit) {
+        binding.appBarLayout.setBackground(null);
+        binding.appBarLayout.setFitsSystemWindows(fit);
+        binding.collapsingToolbarLayout.setBackground(null);
+        binding.collapsingToolbarLayout.setFitsSystemWindows(fit);
+        final Drawable toolbarBackground = binding.toolbar.getBackground();
+        binding.toolbar.setFitsSystemWindows(fit);
+        binding.toolbar.setBackground(null);
+        binding.toolbar.setClickable(false);
+    }
+
+    public int getNavHostContainerId() {
+        return binding.mainNavHost.getId();
+    }
 }

app/src/main/java/awais/instagrabber/adapters/FeedAdapter.java

@@ -83,7 +83,7 @@ public final class FeedAdapter extends ListAdapter<FeedModel, FeedItemViewHolder
             return;
         }
         feedModel.setPosition(position);
-        viewHolder.bind(feedModel);
+        viewHolder.bind(feedModel, (feedModel1, view, postImage) -> {});
     }
 
     @Override

app/src/main/java/awais/instagrabber/adapters/FeedAdapterV2.java

@@ -0,0 +1,169 @@
+package awais.instagrabber.adapters;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.DiffUtil;
+import androidx.recyclerview.widget.ListAdapter;
+import androidx.recyclerview.widget.RecyclerView;
+
+import awais.instagrabber.adapters.viewholder.FeedGridItemViewHolder;
+import awais.instagrabber.adapters.viewholder.feed.FeedItemViewHolder;
+import awais.instagrabber.adapters.viewholder.feed.FeedPhotoViewHolder;
+import awais.instagrabber.adapters.viewholder.feed.FeedSliderViewHolder;
+import awais.instagrabber.adapters.viewholder.feed.FeedVideoViewHolder;
+import awais.instagrabber.customviews.RamboTextView;
+import awais.instagrabber.databinding.ItemFeedGridBinding;
+import awais.instagrabber.databinding.ItemFeedPhotoBinding;
+import awais.instagrabber.databinding.ItemFeedSliderBinding;
+import awais.instagrabber.databinding.ItemFeedVideoBinding;
+import awais.instagrabber.interfaces.MentionClickListener;
+import awais.instagrabber.models.FeedModel;
+import awais.instagrabber.models.PostsLayoutPreferences;
+import awais.instagrabber.models.enums.MediaItemType;
+import awais.instagrabber.utils.Utils;
+
+public final class FeedAdapterV2 extends ListAdapter<FeedModel, RecyclerView.ViewHolder> {
+    private static final String TAG = "FeedAdapterV2";
+
+    private PostsLayoutPreferences layoutPreferences;
+    private OnPostClickListener postClickListener;
+    private int lastAnimatedPosition;
+
+    private final View.OnClickListener clickListener;
+    private final MentionClickListener mentionClickListener;
+    private final View.OnLongClickListener longClickListener = v -> {
+        final Object tag;
+        if (v instanceof RamboTextView && (tag = v.getTag()) instanceof FeedModel)
+            Utils.copyText(v.getContext(), ((FeedModel) tag).getPostCaption());
+        return true;
+    };
+
+
+    private static final DiffUtil.ItemCallback<FeedModel> DIFF_CALLBACK = new DiffUtil.ItemCallback<FeedModel>() {
+        @Override
+        public boolean areItemsTheSame(@NonNull final FeedModel oldItem, @NonNull final FeedModel newItem) {
+            return oldItem.getPostId().equals(newItem.getPostId());
+        }
+
+        @Override
+        public boolean areContentsTheSame(@NonNull final FeedModel oldItem, @NonNull final FeedModel newItem) {
+            return oldItem.getPostId().equals(newItem.getPostId());
+        }
+    };
+
+    public FeedAdapterV2(@NonNull final PostsLayoutPreferences layoutPreferences,
+                         final View.OnClickListener clickListener,
+                         final MentionClickListener mentionClickListener,
+                         final OnPostClickListener postClickListener) {
+        super(DIFF_CALLBACK);
+        this.layoutPreferences = layoutPreferences;
+        this.clickListener = clickListener;
+        this.mentionClickListener = mentionClickListener;
+        this.postClickListener = postClickListener;
+    }
+
+    @NonNull
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull final ViewGroup parent, final int viewType) {
+        final Context context = parent.getContext();
+        final LayoutInflater layoutInflater = LayoutInflater.from(context);
+        switch (layoutPreferences.getType()) {
+            case LINEAR:
+                return getLinearViewHolder(parent, layoutInflater, viewType);
+            case GRID:
+            case STAGGERED_GRID:
+            default:
+                final ItemFeedGridBinding binding = ItemFeedGridBinding.inflate(layoutInflater, parent, false);
+                return new FeedGridItemViewHolder(binding);
+        }
+    }
+
+    @NonNull
+    private RecyclerView.ViewHolder getLinearViewHolder(@NonNull final ViewGroup parent,
+                                                        final LayoutInflater layoutInflater,
+                                                        final int viewType) {
+        switch (MediaItemType.valueOf(viewType)) {
+            case MEDIA_TYPE_VIDEO: {
+                final ItemFeedVideoBinding binding = ItemFeedVideoBinding.inflate(layoutInflater, parent, false);
+                return new FeedVideoViewHolder(binding, mentionClickListener, clickListener, longClickListener);
+            }
+            case MEDIA_TYPE_SLIDER: {
+                final ItemFeedSliderBinding binding = ItemFeedSliderBinding.inflate(layoutInflater, parent, false);
+                return new FeedSliderViewHolder(binding, mentionClickListener, clickListener, longClickListener);
+            }
+            case MEDIA_TYPE_IMAGE:
+            default: {
+                final ItemFeedPhotoBinding binding = ItemFeedPhotoBinding.inflate(layoutInflater, parent, false);
+                return new FeedPhotoViewHolder(binding, mentionClickListener, clickListener, longClickListener);
+            }
+        }
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull final RecyclerView.ViewHolder viewHolder, final int position) {
+        final FeedModel feedModel = getItem(position);
+        if (feedModel == null) return;
+        feedModel.setPosition(position);
+        switch (layoutPreferences.getType()) {
+            case LINEAR:
+                ((FeedItemViewHolder) viewHolder).bind(feedModel, postClickListener);
+                break;
+            case GRID:
+            case STAGGERED_GRID:
+            default:
+                final boolean animate = position > lastAnimatedPosition;
+                ((FeedGridItemViewHolder) viewHolder).bind(feedModel, layoutPreferences, postClickListener, false);
+        }
+        lastAnimatedPosition = position;
+    }
+
+    @Override
+    public int getItemViewType(final int position) {
+        return getItem(position).getItemType().getId();
+    }
+
+    @Override
+    public void onViewDetachedFromWindow(@NonNull final RecyclerView.ViewHolder viewHolder) {
+        switch (layoutPreferences.getType()) {
+            case LINEAR:
+                ((FeedItemViewHolder) viewHolder).clearAnimation();
+                break;
+            case GRID:
+            case STAGGERED_GRID:
+            default:
+                ((FeedGridItemViewHolder) viewHolder).clearAnimation();
+        }
+    }
+
+    public void setLayoutPreferences(@NonNull final PostsLayoutPreferences layoutPreferences) {
+        this.layoutPreferences = layoutPreferences;
+    }
+
+    // @Override
+    // public void onViewAttachedToWindow(@NonNull final FeedItemViewHolder holder) {
+    //     super.onViewAttachedToWindow(holder);
+    //     // Log.d(TAG, "attached holder: " + holder);
+    //     if (!(holder instanceof FeedSliderViewHolder)) return;
+    //     final FeedSliderViewHolder feedSliderViewHolder = (FeedSliderViewHolder) holder;
+    //     feedSliderViewHolder.startPlayingVideo();
+    // }
+    //
+    // @Override
+    // public void onViewDetachedFromWindow(@NonNull final FeedItemViewHolder holder) {
+    //     super.onViewDetachedFromWindow(holder);
+    //     // Log.d(TAG, "detached holder: " + holder);
+    //     if (!(holder instanceof FeedSliderViewHolder)) return;
+    //     final FeedSliderViewHolder feedSliderViewHolder = (FeedSliderViewHolder) holder;
+    //     feedSliderViewHolder.stopPlayingVideo();
+    // }
+
+    public interface OnPostClickListener {
+        void onPostClick(final FeedModel feedModel,
+                         final View profilePicView,
+                         final View mainPostImage);
+    }
+}

app/src/main/java/awais/instagrabber/adapters/MultiSelectListAdapter.java

@@ -12,8 +12,8 @@ public abstract class MultiSelectListAdapter<T extends MultiSelectListAdapter.Se
         ListAdapter<T, VH> {
 
     private boolean isSelecting;
-    private final OnItemClickListener<T> internalOnItemClickListener;
-    private final OnItemLongClickListener<T> internalOnLongItemClickListener;
+    private OnItemClickListener<T> internalOnItemClickListener;
+    private OnItemLongClickListener<T> internalOnLongItemClickListener;
 
     private final List<T> selectedItems = new ArrayList<>();
 

app/src/main/java/awais/instagrabber/adapters/PostViewAdapter.java

@@ -1,77 +1,75 @@
-package awais.instagrabber.adapters;
-
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.DiffUtil;
-import androidx.recyclerview.widget.ListAdapter;
-
-import java.util.Arrays;
-
-import awais.instagrabber.adapters.viewholder.PostViewerViewHolder;
-import awais.instagrabber.databinding.ItemFullPostViewBinding;
-import awais.instagrabber.interfaces.MentionClickListener;
-import awais.instagrabber.models.ViewerPostModelWrapper;
-
-public class PostViewAdapter extends ListAdapter<ViewerPostModelWrapper, PostViewerViewHolder> {
-    private final OnPostViewChildViewClickListener clickListener;
-    private final OnPostCaptionLongClickListener longClickListener;
-    private final MentionClickListener mentionClickListener;
-
-    private static final DiffUtil.ItemCallback<ViewerPostModelWrapper> diffCallback = new DiffUtil.ItemCallback<ViewerPostModelWrapper>() {
-        @Override
-        public boolean areItemsTheSame(@NonNull final ViewerPostModelWrapper oldItem,
-                                       @NonNull final ViewerPostModelWrapper newItem) {
-            return oldItem.getPosition() == newItem.getPosition();
-        }
-
-        @Override
-        public boolean areContentsTheSame(@NonNull final ViewerPostModelWrapper oldItem,
-                                          @NonNull final ViewerPostModelWrapper newItem) {
-            return Arrays.equals(oldItem.getViewerPostModels(), newItem.getViewerPostModels());
-        }
-    };
-
-    public PostViewAdapter(final OnPostViewChildViewClickListener clickListener,
-                           final OnPostCaptionLongClickListener longClickListener,
-                           final MentionClickListener mentionClickListener) {
-        super(diffCallback);
-        this.clickListener = clickListener;
-        this.longClickListener = longClickListener;
-        this.mentionClickListener = mentionClickListener;
-    }
-
-    @Override
-    public void onViewDetachedFromWindow(@NonNull final PostViewerViewHolder holder) {
-        holder.stopPlayingVideo();
-    }
-
-    @NonNull
-    @Override
-    public PostViewerViewHolder onCreateViewHolder(@NonNull final ViewGroup parent,
-                                                   final int viewType) {
-        final LayoutInflater layoutInflater = LayoutInflater.from(parent.getContext());
-        final ItemFullPostViewBinding binding = ItemFullPostViewBinding
-                .inflate(layoutInflater, parent, false);
-        return new PostViewerViewHolder(binding);
-    }
-
-    @Override
-    public void onBindViewHolder(@NonNull final PostViewerViewHolder holder, final int position) {
-        final ViewerPostModelWrapper item = getItem(position);
-        holder.bind(item, position, clickListener, longClickListener, mentionClickListener);
-    }
-
-    public interface OnPostViewChildViewClickListener {
-        void onClick(View v,
-                     ViewerPostModelWrapper viewerPostModelWrapper,
-                     int postPosition,
-                     int childPosition);
-    }
-
-    public interface OnPostCaptionLongClickListener {
-        void onLongClick(String text);
-    }
-}
+// package awais.instagrabber.adapters;
+//
+// import android.view.LayoutInflater;
+// import android.view.View;
+// import android.view.ViewGroup;
+//
+// import androidx.annotation.NonNull;
+// import androidx.recyclerview.widget.DiffUtil;
+// import androidx.recyclerview.widget.ListAdapter;
+//
+// import awais.instagrabber.adapters.viewholder.PostViewerViewHolder;
+// import awais.instagrabber.databinding.ItemFullPostViewBinding;
+// import awais.instagrabber.interfaces.MentionClickListener;
+// import awais.instagrabber.models.ViewerPostModelWrapper;
+//
+// public class PostViewAdapter extends ListAdapter<ViewerPostModelWrapper, PostViewerViewHolder> {
+//     private final OnPostViewChildViewClickListener clickListener;
+//     private final OnPostCaptionLongClickListener longClickListener;
+//     private final MentionClickListener mentionClickListener;
+//
+//     private static final DiffUtil.ItemCallback<ViewerPostModelWrapper> diffCallback = new DiffUtil.ItemCallback<ViewerPostModelWrapper>() {
+//         @Override
+//         public boolean areItemsTheSame(@NonNull final ViewerPostModelWrapper oldItem,
+//                                        @NonNull final ViewerPostModelWrapper newItem) {
+//             return oldItem.getPosition() == newItem.getPosition();
+//         }
+//
+//         @Override
+//         public boolean areContentsTheSame(@NonNull final ViewerPostModelWrapper oldItem,
+//                                           @NonNull final ViewerPostModelWrapper newItem) {
+//             return oldItem.getViewerPostModels().equals(newItem.getViewerPostModels());
+//         }
+//     };
+//
+//     public PostViewAdapter(final OnPostViewChildViewClickListener clickListener,
+//                            final OnPostCaptionLongClickListener longClickListener,
+//                            final MentionClickListener mentionClickListener) {
+//         super(diffCallback);
+//         this.clickListener = clickListener;
+//         this.longClickListener = longClickListener;
+//         this.mentionClickListener = mentionClickListener;
+//     }
+//
+//     @Override
+//     public void onViewDetachedFromWindow(@NonNull final PostViewerViewHolder holder) {
+//         holder.stopPlayingVideo();
+//     }
+//
+//     @NonNull
+//     @Override
+//     public PostViewerViewHolder onCreateViewHolder(@NonNull final ViewGroup parent,
+//                                                    final int viewType) {
+//         final LayoutInflater layoutInflater = LayoutInflater.from(parent.getContext());
+//         final ItemFullPostViewBinding binding = ItemFullPostViewBinding
+//                 .inflate(layoutInflater, parent, false);
+//         return new PostViewerViewHolder(binding);
+//     }
+//
+//     @Override
+//     public void onBindViewHolder(@NonNull final PostViewerViewHolder holder, final int position) {
+//         final ViewerPostModelWrapper item = getItem(position);
+//         holder.bind(item, position, clickListener, longClickListener, mentionClickListener);
+//     }
+//
+//     public interface OnPostViewChildViewClickListener {
+//         void onClick(View v,
+//                      ViewerPostModelWrapper viewerPostModelWrapper,
+//                      int postPosition,
+//                      int childPosition);
+//     }
+//
+//     public interface OnPostCaptionLongClickListener {
+//         void onLongClick(String text);
+//     }
+// }

app/src/main/java/awais/instagrabber/adapters/PostViewerChildAdapter.java

@@ -15,6 +15,7 @@ import com.facebook.drawee.backends.pipeline.Fresco;
 import com.facebook.drawee.interfaces.DraweeController;
 import com.facebook.imagepipeline.request.ImageRequest;
 import com.facebook.imagepipeline.request.ImageRequestBuilder;
+import com.google.android.exoplayer2.MediaItem;
 import com.google.android.exoplayer2.Player;
 import com.google.android.exoplayer2.SimpleExoPlayer;
 import com.google.android.exoplayer2.source.ProgressiveMediaSource;
@@ -171,8 +172,9 @@ public class PostViewerChildAdapter extends ListAdapter<ViewerPostModel, PostVie
             if (vol == 0f && Utils.sessionVolumeFull) vol = 1f;
             player.setVolume(vol);
             player.setPlayWhenReady(Utils.settingsHelper.getBoolean(Constants.AUTOPLAY_VIDEOS));
-            final ProgressiveMediaSource mediaSource = new ProgressiveMediaSource.Factory(new DefaultDataSourceFactory(itemView.getContext(), "instagram"))
-                    .createMediaSource(Uri.parse(item.getDisplayUrl()));
+            final ProgressiveMediaSource mediaSource = new ProgressiveMediaSource.Factory(
+                    new DefaultDataSourceFactory(itemView.getContext(), "instagram")
+            ).createMediaSource(MediaItem.fromUri(item.getDisplayUrl()));
             // mediaSource.addEventListener(new Handler(), new MediaSourceEventListener() {
             //     @Override
             //     public void onLoadCompleted(final int windowIndex, @Nullable final MediaSource.MediaPeriodId mediaPeriodId, final LoadEventInfo loadEventInfo, final MediaLoadData mediaLoadData) {
@@ -194,7 +196,8 @@ public class PostViewerChildAdapter extends ListAdapter<ViewerPostModel, PostVie
             //         viewerBinding.progressView.setVisibility(View.GONE);
             //     }
             // });
-            player.prepare(mediaSource);
+            player.setMediaSource(mediaSource);
+            player.prepare();
             player.setVolume(vol);
             // viewerBinding.bottomPanel.btnMute.setImageResource(vol == 0f ? R.drawable.ic_volume_up_24 : R.drawable.ic_volume_off_24);
             // viewerBinding.bottomPanel.btnMute.setOnClickListener(onClickListener);

app/src/main/java/awais/instagrabber/adapters/SliderCallbackAdapter.java

@@ -0,0 +1,15 @@
+package awais.instagrabber.adapters;
+
+public class SliderCallbackAdapter implements SliderItemsAdapter.SliderCallback {
+    @Override
+    public void onThumbnailLoaded(final int position) {}
+
+    @Override
+    public void onItemClicked(final int position) {}
+
+    @Override
+    public void onPlayerPlay(final int position) {}
+
+    @Override
+    public void onPlayerPause(final int position) {}
+}

app/src/main/java/awais/instagrabber/adapters/SliderItemsAdapter.java

@@ -0,0 +1,153 @@
+package awais.instagrabber.adapters;
+
+import android.view.LayoutInflater;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.DiffUtil;
+import androidx.recyclerview.widget.ListAdapter;
+
+import awais.instagrabber.adapters.viewholder.SliderItemViewHolder;
+import awais.instagrabber.adapters.viewholder.SliderPhotoViewHolder;
+import awais.instagrabber.adapters.viewholder.SliderVideoViewHolder;
+import awais.instagrabber.customviews.VerticalDragHelper;
+import awais.instagrabber.databinding.ItemSliderPhotoBinding;
+import awais.instagrabber.databinding.LayoutExoCustomControlsBinding;
+import awais.instagrabber.databinding.LayoutVideoPlayerWithThumbnailBinding;
+import awais.instagrabber.models.PostChild;
+import awais.instagrabber.models.enums.MediaItemType;
+
+public final class SliderItemsAdapter extends ListAdapter<PostChild, SliderItemViewHolder> {
+
+    private final VerticalDragHelper.OnVerticalDragListener onVerticalDragListener;
+    private final SliderCallback sliderCallback;
+    private final awais.instagrabber.databinding.LayoutExoCustomControlsBinding controlsBinding;
+
+    private static final DiffUtil.ItemCallback<PostChild> DIFF_CALLBACK = new DiffUtil.ItemCallback<PostChild>() {
+        @Override
+        public boolean areItemsTheSame(@NonNull final PostChild oldItem, @NonNull final PostChild newItem) {
+            return oldItem.getPostId().equals(newItem.getPostId());
+        }
+
+        @Override
+        public boolean areContentsTheSame(@NonNull final PostChild oldItem, @NonNull final PostChild newItem) {
+            return oldItem.getPostId().equals(newItem.getPostId());
+        }
+    };
+
+    public SliderItemsAdapter() {
+        this(null, null, null);
+    }
+
+    public SliderItemsAdapter(final VerticalDragHelper.OnVerticalDragListener onVerticalDragListener,
+                              final LayoutExoCustomControlsBinding controlsBinding,
+                              final SliderCallback sliderCallback) {
+        super(DIFF_CALLBACK);
+        this.onVerticalDragListener = onVerticalDragListener;
+        this.sliderCallback = sliderCallback;
+        this.controlsBinding = controlsBinding;
+    }
+
+    @NonNull
+    @Override
+    public SliderItemViewHolder onCreateViewHolder(@NonNull final ViewGroup parent, final int viewType) {
+        final LayoutInflater inflater = LayoutInflater.from(parent.getContext());
+        final MediaItemType mediaItemType = MediaItemType.valueOf(viewType);
+        switch (mediaItemType) {
+            case MEDIA_TYPE_VIDEO: {
+                final LayoutVideoPlayerWithThumbnailBinding binding = LayoutVideoPlayerWithThumbnailBinding.inflate(inflater, parent, false);
+                return new SliderVideoViewHolder(binding, onVerticalDragListener, controlsBinding);
+            }
+            case MEDIA_TYPE_IMAGE:
+            default:
+                final ItemSliderPhotoBinding binding = ItemSliderPhotoBinding.inflate(inflater, parent, false);
+                return new SliderPhotoViewHolder(binding, onVerticalDragListener);
+        }
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull final SliderItemViewHolder holder, final int position) {
+        final PostChild model = getItem(position);
+        holder.bind(model, position, sliderCallback);
+    }
+
+    @Override
+    public int getItemViewType(final int position) {
+        final PostChild viewerPostModel = getItem(position);
+        return viewerPostModel.getItemType().getId();
+    }
+
+    // @NonNull
+    // @Override
+    // public Object instantiateItem(@NonNull final ViewGroup container, final int position) {
+    //     final Context context = container.getContext();
+    //     final ViewerPostModel sliderItem = sliderItems.get(position);
+    //
+    //     if (sliderItem.getItemType() == MediaItemType.MEDIA_TYPE_VIDEO) {
+    //         final ViewSwitcher viewSwitcher = createViewSwitcher(context, position, sliderItem.getThumbnailUrl(), sliderItem.getDisplayUrl());
+    //         container.addView(viewSwitcher);
+    //         return viewSwitcher;
+    //     }
+    //     final GenericDraweeHierarchy hierarchy = GenericDraweeHierarchyBuilder.newInstance(container.getResources())
+    //                                                                           .setActualImageScaleType(ScalingUtils.ScaleType.FIT_CENTER)
+    //                                                                           .build();
+    //     final SimpleDraweeView photoView = new SimpleDraweeView(context, hierarchy);
+    //     photoView.setLayoutParams(layoutParams);
+    //     final ImageRequest imageRequest = ImageRequestBuilder.newBuilderWithSource(Uri.parse(sliderItem.getDisplayUrl()))
+    //                                                          .setLocalThumbnailPreviewsEnabled(true)
+    //                                                          .setProgressiveRenderingEnabled(true)
+    //                                                          .build();
+    //     photoView.setImageRequest(imageRequest);
+    //     container.addView(photoView);
+    //     return photoView;
+    // }
+
+    // @NonNull
+    // private ViewSwitcher createViewSwitcher(final Context context,
+    //                                         final int position,
+    //                                         final String thumbnailUrl,
+    //                                         final String displayUrl) {
+    //
+    //     final ViewSwitcher viewSwitcher = new ViewSwitcher(context);
+    //     viewSwitcher.setLayoutParams(layoutParams);
+    //
+    //     final FrameLayout frameLayout = new FrameLayout(context);
+    //     frameLayout.setLayoutParams(layoutParams);
+    //
+    //     final GenericDraweeHierarchy hierarchy = new GenericDraweeHierarchyBuilder(context.getResources())
+    //             .setActualImageScaleType(ScalingUtils.ScaleType.FIT_CENTER)
+    //             .build();
+    //     final SimpleDraweeView simpleDraweeView = new SimpleDraweeView(context, hierarchy);
+    //     simpleDraweeView.setLayoutParams(layoutParams);
+    //     simpleDraweeView.setImageURI(thumbnailUrl);
+    //     frameLayout.addView(simpleDraweeView);
+    //
+    //     final AppCompatImageView imageView = new AppCompatImageView(context);
+    //     final int px = Utils.convertDpToPx(50);
+    //     final FrameLayout.LayoutParams playButtonLayoutParams = new FrameLayout.LayoutParams(px, px);
+    //     playButtonLayoutParams.gravity = Gravity.CENTER;
+    //     imageView.setLayoutParams(playButtonLayoutParams);
+    //     imageView.setImageResource(R.drawable.exo_icon_play);
+    //     frameLayout.addView(imageView);
+    //
+    //     viewSwitcher.addView(frameLayout);
+    //
+    //     final PlayerView playerView = new PlayerView(context);
+    //     viewSwitcher.addView(playerView);
+    //     if (shouldAutoPlay && position == 0) {
+    //         loadPlayer(context, position, displayUrl, viewSwitcher, factory, playerChangeListener);
+    //     } else
+    //         frameLayout.setOnClickListener(v -> loadPlayer(context, position, displayUrl, viewSwitcher, factory, playerChangeListener));
+    //     return viewSwitcher;
+    // }
+
+    public interface SliderCallback {
+        void onThumbnailLoaded(int position);
+
+        void onItemClicked(int position);
+
+        void onPlayerPlay(int position);
+
+        void onPlayerPause(int position);
+    }
+}

app/src/main/java/awais/instagrabber/adapters/viewholder/FeedGridItemViewHolder.java

@@ -0,0 +1,147 @@
+package awais.instagrabber.adapters.viewholder;
+
+import android.graphics.drawable.Animatable;
+import android.net.Uri;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.animation.Animation;
+import android.view.animation.AnimationUtils;
+
+import androidx.annotation.DimenRes;
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.facebook.drawee.backends.pipeline.Fresco;
+import com.facebook.drawee.backends.pipeline.PipelineDraweeControllerBuilder;
+import com.facebook.drawee.controller.BaseControllerListener;
+import com.facebook.imagepipeline.image.ImageInfo;
+import com.facebook.imagepipeline.request.ImageRequest;
+import com.facebook.imagepipeline.request.ImageRequestBuilder;
+
+import java.util.List;
+
+import awais.instagrabber.R;
+import awais.instagrabber.adapters.FeedAdapterV2;
+import awais.instagrabber.databinding.ItemFeedGridBinding;
+import awais.instagrabber.models.FeedModel;
+import awais.instagrabber.models.PostChild;
+import awais.instagrabber.models.PostsLayoutPreferences;
+import awais.instagrabber.utils.TextUtils;
+
+import static awais.instagrabber.models.PostsLayoutPreferences.PostsLayoutType.STAGGERED_GRID;
+
+public class FeedGridItemViewHolder extends RecyclerView.ViewHolder {
+    private final ItemFeedGridBinding binding;
+
+    public FeedGridItemViewHolder(@NonNull final ItemFeedGridBinding binding) {
+        super(binding.getRoot());
+        this.binding = binding;
+        // for rounded borders (clip view to background shape)
+        //
+    }
+
+    public void bind(@NonNull final FeedModel feedModel,
+                     @NonNull final PostsLayoutPreferences layoutPreferences,
+                     final FeedAdapterV2.OnPostClickListener postClickListener,
+                     final boolean animate) {
+        if (postClickListener != null) {
+            itemView.setOnClickListener(v -> postClickListener.onPostClick(feedModel, binding.profilePic, binding.postImage));
+        }
+        itemView.setClipToOutline(layoutPreferences.getHasRoundedCorners());
+        if (layoutPreferences.getType() == STAGGERED_GRID) {
+            final float aspectRatio = (float) feedModel.getImageWidth() / feedModel.getImageHeight();
+            binding.postImage.setAspectRatio(aspectRatio);
+        } else {
+            binding.postImage.setAspectRatio(1);
+        }
+        if (layoutPreferences.isAvatarVisible()) {
+            binding.profilePic.setVisibility(View.VISIBLE);
+            binding.profilePic.setImageURI(feedModel.getProfileModel().getSdProfilePic());
+            final ViewGroup.LayoutParams layoutParams = binding.profilePic.getLayoutParams();
+            @DimenRes final int dimenRes;
+            switch (layoutPreferences.getProfilePicSize()) {
+                case SMALL:
+                    dimenRes = R.dimen.profile_pic_size_small;
+                    break;
+                case TINY:
+                    dimenRes = R.dimen.profile_pic_size_tiny;
+                    break;
+                default:
+                case REGULAR:
+                    dimenRes = R.dimen.profile_pic_size_regular;
+                    break;
+            }
+            final int dimensionPixelSize = itemView.getResources().getDimensionPixelSize(dimenRes);
+            layoutParams.width = dimensionPixelSize;
+            layoutParams.height = dimensionPixelSize;
+            binding.profilePic.requestLayout();
+        } else {
+            binding.profilePic.setVisibility(View.GONE);
+        }
+        if (layoutPreferences.isNameVisible()) {
+            binding.name.setVisibility(View.VISIBLE);
+            binding.name.setText(feedModel.getProfileModel().getName());
+        } else {
+            binding.name.setVisibility(View.GONE);
+        }
+        String thumbnailUrl = null;
+        final int typeIconRes;
+        switch (feedModel.getItemType()) {
+            case MEDIA_TYPE_IMAGE:
+                typeIconRes = -1;
+                thumbnailUrl = feedModel.getThumbnailUrl();
+                break;
+            case MEDIA_TYPE_VIDEO:
+                thumbnailUrl = feedModel.getThumbnailUrl();
+                typeIconRes = R.drawable.exo_icon_play;
+                break;
+            case MEDIA_TYPE_SLIDER:
+                final List<PostChild> sliderItems = feedModel.getSliderItems();
+                if (sliderItems != null) {
+                    thumbnailUrl = sliderItems.get(0).getThumbnailUrl();
+                }
+                typeIconRes = R.drawable.ic_checkbox_multiple_blank_stroke;
+                break;
+            default:
+                typeIconRes = -1;
+                thumbnailUrl = null;
+        }
+        if (TextUtils.isEmpty(thumbnailUrl)) {
+            binding.postImage.setController(null);
+            return;
+        }
+        if (typeIconRes <= 0) {
+            binding.typeIcon.setVisibility(View.GONE);
+        } else {
+            binding.typeIcon.setVisibility(View.VISIBLE);
+            binding.typeIcon.setImageResource(typeIconRes);
+        }
+        final ImageRequest requestBuilder = ImageRequestBuilder.newBuilderWithSource(Uri.parse(thumbnailUrl))
+                                                               .setLocalThumbnailPreviewsEnabled(true)
+                                                               .setProgressiveRenderingEnabled(true)
+                                                               .build();
+        final PipelineDraweeControllerBuilder builder = Fresco.newDraweeControllerBuilder()
+                                                              .setImageRequest(requestBuilder)
+                                                              .setOldController(binding.postImage.getController());
+        if (animate) {
+            final BaseControllerListener<ImageInfo> imageListener = new BaseControllerListener<ImageInfo>() {
+                @Override
+                public void onFinalImageSet(final String id, final ImageInfo imageInfo, final Animatable animatable) {
+                    setAnimation(binding.getRoot());
+                }
+            };
+            builder.setControllerListener(imageListener);
+        }
+        binding.postImage.setController(builder.build());
+    }
+
+    private void setAnimation(View viewToAnimate) {
+        final Animation animation = AnimationUtils.loadAnimation(viewToAnimate.getContext(), android.R.anim.fade_in);
+        animation.setDuration(300);
+        viewToAnimate.startAnimation(animation);
+    }
+
+    public void clearAnimation() {
+        binding.getRoot().clearAnimation();
+    }
+}

app/src/main/java/awais/instagrabber/adapters/viewholder/PostMediaViewHolder.java

@@ -24,6 +24,6 @@ public final class PostMediaViewHolder extends RecyclerView.ViewHolder {
         itemView.setOnClickListener(clickListener);
         binding.selectedView.setVisibility(model.isCurrentSlide() ? View.VISIBLE : View.GONE);
         binding.isDownloaded.setVisibility(model.isDownloaded() ? View.VISIBLE : View.GONE);
-        binding.icon.setImageURI(model.getSliderDisplayUrl());
+        binding.icon.setImageURI(model.getDisplayUrl());
     }
 }

app/src/main/java/awais/instagrabber/adapters/viewholder/PostViewerViewHolder.java

@@ -1,239 +1,240 @@
-package awais.instagrabber.adapters.viewholder;
-
-import android.content.res.ColorStateList;
-import android.content.res.Resources;
-import android.util.Log;
-import android.view.View;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.core.content.ContextCompat;
-import androidx.core.view.ViewCompat;
-import androidx.recyclerview.widget.RecyclerView;
-import androidx.viewpager2.widget.ViewPager2;
-
-import com.google.android.exoplayer2.Player;
-import com.google.android.exoplayer2.SimpleExoPlayer;
-import com.google.android.exoplayer2.ui.PlayerView;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import awais.instagrabber.R;
-import awais.instagrabber.adapters.PostViewAdapter.OnPostCaptionLongClickListener;
-import awais.instagrabber.adapters.PostViewAdapter.OnPostViewChildViewClickListener;
-import awais.instagrabber.adapters.PostViewerChildAdapter;
-import awais.instagrabber.databinding.ItemFullPostViewBinding;
-import awais.instagrabber.interfaces.MentionClickListener;
-import awais.instagrabber.models.ProfileModel;
-import awais.instagrabber.models.ViewerPostModel;
-import awais.instagrabber.models.ViewerPostModelWrapper;
-import awais.instagrabber.models.enums.MediaItemType;
-import awais.instagrabber.utils.TextUtils;
-import awais.instagrabber.utils.Utils;
-
-public class PostViewerViewHolder extends RecyclerView.ViewHolder {
-    private static final String TAG = "PostViewerViewHolder";
-
-    private final ItemFullPostViewBinding binding;
-    private int currentChildPosition;
-
-    public PostViewerViewHolder(@NonNull final ItemFullPostViewBinding binding) {
-        super(binding.getRoot());
-        this.binding = binding;
-        binding.topPanel.viewStoryPost.setVisibility(View.GONE);
-    }
-
-    public void bind(final ViewerPostModelWrapper wrapper,
-                     final int position,
-                     final OnPostViewChildViewClickListener clickListener,
-                     final OnPostCaptionLongClickListener longClickListener,
-                     final MentionClickListener mentionClickListener) {
-        if (wrapper == null) return;
-        final ViewerPostModel[] items = wrapper.getViewerPostModels();
-        if (items == null || items.length <= 0) return;
-        if (items[0] == null) return;
-        final PostViewerChildAdapter adapter = new PostViewerChildAdapter();
-        binding.mediaViewPager.setAdapter(adapter);
-        final ViewerPostModel firstPost = items[0];
-        setPostInfo(firstPost, mentionClickListener);
-        setMediaItems(items, adapter);
-        setupListeners(wrapper,
-                       position,
-                       clickListener,
-                       longClickListener,
-                       mentionClickListener,
-                       firstPost.getLocation());
-    }
-
-    private void setPostInfo(final ViewerPostModel firstPost,
-                             final MentionClickListener mentionClickListener) {
-        final ProfileModel profileModel = firstPost.getProfileModel();
-        if (profileModel == null) return;
-        binding.topPanel.title.setText(profileModel.getUsername());
-        final String locationName = firstPost.getLocationName();
-        if (!TextUtils.isEmpty(locationName)) {
-            binding.topPanel.location.setVisibility(View.VISIBLE);
-            binding.topPanel.location.setText(locationName);
-        } else binding.topPanel.location.setVisibility(View.GONE);
-        binding.topPanel.ivProfilePic.setImageURI(profileModel.getSdProfilePic());
-        binding.bottomPanel.commentsCount.setText(String.valueOf(firstPost.getCommentsCount()));
-        final CharSequence postCaption = firstPost.getPostCaption();
-        if (TextUtils.hasMentions(postCaption)) {
-            binding.bottomPanel.viewerCaption.setMentionClickListener(mentionClickListener);
-            binding.bottomPanel.viewerCaption
-                    .setText(TextUtils.getMentionText(postCaption), TextView.BufferType.SPANNABLE);
-        } else {
-            binding.bottomPanel.viewerCaption.setMentionClickListener(null);
-            binding.bottomPanel.viewerCaption.setText(postCaption);
-        }
-        binding.bottomPanel.tvPostDate.setText(firstPost.getPostDate());
-        setupLikes(firstPost);
-        setupSave(firstPost);
-    }
-
-    private void setupLikes(final ViewerPostModel firstPost) {
-        final boolean liked = firstPost.getLike();
-        final long likeCount = firstPost.getLikes();
-        final Resources resources = itemView.getContext().getResources();
-        if (liked) {
-            final String unlikeString = resources.getString(R.string.unlike, String.valueOf(likeCount));
-            binding.btnLike.setText(unlikeString);
-            ViewCompat.setBackgroundTintList(binding.btnLike,
-                                             ColorStateList.valueOf(ContextCompat.getColor(itemView.getContext(), R.color.btn_pink_background)));
-        } else {
-            final String likeString = resources.getString(R.string.like, String.valueOf(likeCount));
-            binding.btnLike.setText(likeString);
-            ViewCompat.setBackgroundTintList(binding.btnLike,
-                                             ColorStateList.valueOf(ContextCompat.getColor(itemView.getContext(), R.color.btn_lightpink_background)));
-        }
-    }
-
-    private void setupSave(final ViewerPostModel firstPost) {
-        final boolean saved = firstPost.getBookmark();
-        if (saved) {
-            binding.btnBookmark.setText(R.string.unbookmark);
-            ViewCompat.setBackgroundTintList(binding.btnBookmark,
-                                             ColorStateList.valueOf(ContextCompat.getColor(itemView.getContext(), R.color.btn_orange_background)));
-        } else {
-            binding.btnBookmark.setText(R.string.bookmark);
-            ViewCompat.setBackgroundTintList(
-                    binding.btnBookmark,
-                    ColorStateList.valueOf(ContextCompat.getColor(itemView.getContext(), R.color.btn_lightorange_background)));
-        }
-    }
-
-    private void setupListeners(final ViewerPostModelWrapper wrapper,
-                                final int position,
-                                final OnPostViewChildViewClickListener clickListener,
-                                final OnPostCaptionLongClickListener longClickListener,
-                                final MentionClickListener mentionClickListener,
-                                final String location) {
-        final View.OnClickListener onClickListener = v -> clickListener
-                .onClick(v, wrapper, position, currentChildPosition);
-        binding.bottomPanel.btnComments.setOnClickListener(onClickListener);
-        binding.topPanel.title.setOnClickListener(onClickListener);
-        binding.topPanel.ivProfilePic.setOnClickListener(onClickListener);
-        binding.bottomPanel.btnDownload.setOnClickListener(onClickListener);
-        binding.bottomPanel.viewerCaption.setOnClickListener(onClickListener);
-        binding.btnLike.setOnClickListener(onClickListener);
-        binding.btnBookmark.setOnClickListener(onClickListener);
-        binding.bottomPanel.viewerCaption.setOnLongClickListener(v -> {
-            longClickListener.onLongClick(binding.bottomPanel.viewerCaption.getText().toString());
-            return true;
-        });
-        if (!TextUtils.isEmpty(location)) {
-            binding.topPanel.location.setOnClickListener(v -> mentionClickListener
-                    .onClick(binding.topPanel.location, location, false, true));
-        }
-    }
-
-    private void setMediaItems(final ViewerPostModel[] items,
-                               final PostViewerChildAdapter adapter) {
-        final List<ViewerPostModel> filteredList = new ArrayList<>();
-        for (final ViewerPostModel model : items) {
-            final MediaItemType itemType = model.getItemType();
-            if (itemType == MediaItemType.MEDIA_TYPE_VIDEO || itemType == MediaItemType.MEDIA_TYPE_IMAGE) {
-                filteredList.add(model);
-            }
-        }
-        binding.mediaCounter.setVisibility(filteredList.size() > 1 ? View.VISIBLE : View.GONE);
-        final String counter = "1/" + filteredList.size();
-        binding.mediaCounter.setText(counter);
-        adapter.submitList(filteredList);
-        binding.mediaViewPager.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {
-            @Override
-            public void onPageSelected(final int position) {
-                if (filteredList.size() <= 0 || position >= filteredList.size()) return;
-                currentChildPosition = position;
-                final String counter = (position + 1) + "/" + filteredList.size();
-                binding.mediaCounter.setText(counter);
-                final ViewerPostModel viewerPostModel = filteredList.get(position);
-                if (viewerPostModel.getItemType() == MediaItemType.MEDIA_TYPE_VIDEO) {
-                    setVideoDetails(viewerPostModel);
-                    setVolumeListener(position);
-                    return;
-                }
-                setImageDetails();
-            }
-        });
-    }
-
-    private void setVolumeListener(final int position) {
-        binding.bottomPanel.btnMute.setOnClickListener(v -> {
-            try {
-                final RecyclerView.ViewHolder viewHolder = ((RecyclerView) binding.mediaViewPager
-                        .getChildAt(0)).findViewHolderForAdapterPosition(position);
-                if (viewHolder != null) {
-                    final View itemView = viewHolder.itemView;
-                    if (itemView instanceof PlayerView) {
-                        final SimpleExoPlayer player = (SimpleExoPlayer) ((PlayerView) itemView)
-                                .getPlayer();
-                        if (player == null) return;
-                        final float vol = player.getVolume() == 0f ? 1f : 0f;
-                        player.setVolume(vol);
-                        binding.bottomPanel.btnMute.setImageResource(vol == 0f ? R.drawable.ic_volume_up_24
-                                                                               : R.drawable.ic_volume_off_24);
-                        Utils.sessionVolumeFull = vol == 1f;
-                    }
-                }
-            } catch (Exception e) {
-                Log.e(TAG, "Error", e);
-            }
-        });
-    }
-
-    private void setImageDetails() {
-        binding.bottomPanel.btnMute.setVisibility(View.GONE);
-        binding.bottomPanel.videoViewsContainer.setVisibility(View.GONE);
-    }
-
-    private void setVideoDetails(final ViewerPostModel viewerPostModel) {
-        binding.bottomPanel.btnMute.setVisibility(View.VISIBLE);
-        final long videoViews = viewerPostModel.getVideoViews();
-        if (videoViews < 0) {
-            binding.bottomPanel.videoViewsContainer.setVisibility(View.GONE);
-            return;
-        }
-        binding.bottomPanel.tvVideoViews.setText(String.valueOf(videoViews));
-        binding.bottomPanel.videoViewsContainer.setVisibility(View.VISIBLE);
-    }
-
-    public void stopPlayingVideo() {
-        try {
-            final RecyclerView.ViewHolder viewHolder = ((RecyclerView) binding.mediaViewPager
-                    .getChildAt(0)).findViewHolderForAdapterPosition(currentChildPosition);
-            if (viewHolder != null) {
-                final View itemView = viewHolder.itemView;
-                if (itemView instanceof PlayerView) {
-                    final Player player = ((PlayerView) itemView).getPlayer();
-                    if (player != null) {
-                        player.setPlayWhenReady(false);
-                    }
-                }
-            }
-        } catch (Exception e) {
-            Log.e(TAG, "Error", e);
-        }
-    }
-}
+// package awais.instagrabber.adapters.viewholder;
+//
+// import android.content.res.ColorStateList;
+// import android.content.res.Resources;
+// import android.util.Log;
+// import android.view.View;
+// import android.widget.TextView;
+//
+// import androidx.annotation.NonNull;
+// import androidx.core.content.ContextCompat;
+// import androidx.core.view.ViewCompat;
+// import androidx.recyclerview.widget.RecyclerView;
+// import androidx.viewpager2.widget.ViewPager2;
+//
+// import com.google.android.exoplayer2.Player;
+// import com.google.android.exoplayer2.SimpleExoPlayer;
+// import com.google.android.exoplayer2.ui.PlayerView;
+//
+// import java.util.ArrayList;
+// import java.util.List;
+//
+// import awais.instagrabber.R;
+// import awais.instagrabber.adapters.PostViewAdapter.OnPostCaptionLongClickListener;
+// import awais.instagrabber.adapters.PostViewAdapter.OnPostViewChildViewClickListener;
+// import awais.instagrabber.adapters.PostViewerChildAdapter;
+// import awais.instagrabber.databinding.ItemFullPostViewBinding;
+// import awais.instagrabber.interfaces.MentionClickListener;
+// import awais.instagrabber.models.PostChild;
+// import awais.instagrabber.models.ProfileModel;
+// import awais.instagrabber.models.ViewerPostModel;
+// import awais.instagrabber.models.ViewerPostModelWrapper;
+// import awais.instagrabber.models.enums.MediaItemType;
+// import awais.instagrabber.utils.TextUtils;
+// import awais.instagrabber.utils.Utils;
+//
+// public class PostViewerViewHolder extends RecyclerView.ViewHolder {
+//     private static final String TAG = "PostViewerViewHolder";
+//
+//     private final ItemFullPostViewBinding binding;
+//     private int currentChildPosition;
+//
+//     public PostViewerViewHolder(@NonNull final ItemFullPostViewBinding binding) {
+//         super(binding.getRoot());
+//         this.binding = binding;
+//         binding.topPanel.viewStoryPost.setVisibility(View.GONE);
+//     }
+//
+//     public void bind(final ViewerPostModelWrapper wrapper,
+//                      final int position,
+//                      final OnPostViewChildViewClickListener clickListener,
+//                      final OnPostCaptionLongClickListener longClickListener,
+//                      final MentionClickListener mentionClickListener) {
+//         if (wrapper == null) return;
+//         final List<PostChild> items = wrapper.getViewerPostModels();
+//         if (items == null || items.size() == 0) return;
+//         if (items.get(0) == null) return;
+//         final PostViewerChildAdapter adapter = new PostViewerChildAdapter();
+//         binding.mediaViewPager.setAdapter(adapter);
+//         final PostChild firstPost = items.get(0);
+//         setPostInfo(firstPost, mentionClickListener);
+//         setMediaItems(items, adapter);
+//         setupListeners(wrapper,
+//                        position,
+//                        clickListener,
+//                        longClickListener,
+//                        mentionClickListener,
+//                        firstPost.getLocation());
+//     }
+//
+//     private void setPostInfo(final PostChild firstPost,
+//                              final MentionClickListener mentionClickListener) {
+//         final ProfileModel profileModel = firstPost.getProfileModel();
+//         if (profileModel == null) return;
+//         binding.topPanel.title.setText(profileModel.getUsername());
+//         final String locationName = firstPost.getLocationName();
+//         if (!TextUtils.isEmpty(locationName)) {
+//             binding.topPanel.location.setVisibility(View.VISIBLE);
+//             binding.topPanel.location.setText(locationName);
+//         } else binding.topPanel.location.setVisibility(View.GONE);
+//         binding.topPanel.ivProfilePic.setImageURI(profileModel.getSdProfilePic());
+//         binding.bottomPanel.commentsCount.setText(String.valueOf(firstPost.getCommentsCount()));
+//         final CharSequence postCaption = firstPost.getPostCaption();
+//         if (TextUtils.hasMentions(postCaption)) {
+//             binding.bottomPanel.viewerCaption.setMentionClickListener(mentionClickListener);
+//             binding.bottomPanel.viewerCaption
+//                     .setText(TextUtils.getMentionText(postCaption), TextView.BufferType.SPANNABLE);
+//         } else {
+//             binding.bottomPanel.viewerCaption.setMentionClickListener(null);
+//             binding.bottomPanel.viewerCaption.setText(postCaption);
+//         }
+//         binding.bottomPanel.tvPostDate.setText(firstPost.getPostDate());
+//         setupLikes(firstPost);
+//         setupSave(firstPost);
+//     }
+//
+//     private void setupLikes(final ViewerPostModel firstPost) {
+//         final boolean liked = firstPost.getLike();
+//         final long likeCount = firstPost.getLikes();
+//         final Resources resources = itemView.getContext().getResources();
+//         if (liked) {
+//             final String unlikeString = resources.getString(R.string.unlike, String.valueOf(likeCount));
+//             binding.btnLike.setText(unlikeString);
+//             ViewCompat.setBackgroundTintList(binding.btnLike,
+//                                              ColorStateList.valueOf(ContextCompat.getColor(itemView.getContext(), R.color.btn_pink_background)));
+//         } else {
+//             final String likeString = resources.getString(R.string.like, String.valueOf(likeCount));
+//             binding.btnLike.setText(likeString);
+//             ViewCompat.setBackgroundTintList(binding.btnLike,
+//                                              ColorStateList.valueOf(ContextCompat.getColor(itemView.getContext(), R.color.btn_lightpink_background)));
+//         }
+//     }
+//
+//     private void setupSave(final ViewerPostModel firstPost) {
+//         final boolean saved = firstPost.isSaved();
+//         if (saved) {
+//             binding.btnBookmark.setText(R.string.unbookmark);
+//             ViewCompat.setBackgroundTintList(binding.btnBookmark,
+//                                              ColorStateList.valueOf(ContextCompat.getColor(itemView.getContext(), R.color.btn_orange_background)));
+//         } else {
+//             binding.btnBookmark.setText(R.string.bookmark);
+//             ViewCompat.setBackgroundTintList(
+//                     binding.btnBookmark,
+//                     ColorStateList.valueOf(ContextCompat.getColor(itemView.getContext(), R.color.btn_lightorange_background)));
+//         }
+//     }
+//
+//     private void setupListeners(final ViewerPostModelWrapper wrapper,
+//                                 final int position,
+//                                 final OnPostViewChildViewClickListener clickListener,
+//                                 final OnPostCaptionLongClickListener longClickListener,
+//                                 final MentionClickListener mentionClickListener,
+//                                 final String location) {
+//         final View.OnClickListener onClickListener = v -> clickListener
+//                 .onClick(v, wrapper, position, currentChildPosition);
+//         binding.bottomPanel.btnComments.setOnClickListener(onClickListener);
+//         binding.topPanel.title.setOnClickListener(onClickListener);
+//         binding.topPanel.ivProfilePic.setOnClickListener(onClickListener);
+//         binding.bottomPanel.btnDownload.setOnClickListener(onClickListener);
+//         binding.bottomPanel.viewerCaption.setOnClickListener(onClickListener);
+//         binding.btnLike.setOnClickListener(onClickListener);
+//         binding.btnBookmark.setOnClickListener(onClickListener);
+//         binding.bottomPanel.viewerCaption.setOnLongClickListener(v -> {
+//             longClickListener.onLongClick(binding.bottomPanel.viewerCaption.getText().toString());
+//             return true;
+//         });
+//         if (!TextUtils.isEmpty(location)) {
+//             binding.topPanel.location.setOnClickListener(v -> mentionClickListener
+//                     .onClick(binding.topPanel.location, location, false, true));
+//         }
+//     }
+//
+//     private void setMediaItems(final List<ViewerPostModel> items,
+//                                final PostViewerChildAdapter adapter) {
+//         final List<ViewerPostModel> filteredList = new ArrayList<>();
+//         for (final ViewerPostModel model : items) {
+//             final MediaItemType itemType = model.getItemType();
+//             if (itemType == MediaItemType.MEDIA_TYPE_VIDEO || itemType == MediaItemType.MEDIA_TYPE_IMAGE) {
+//                 filteredList.add(model);
+//             }
+//         }
+//         binding.mediaCounter.setVisibility(filteredList.size() > 1 ? View.VISIBLE : View.GONE);
+//         final String counter = "1/" + filteredList.size();
+//         binding.mediaCounter.setText(counter);
+//         adapter.submitList(filteredList);
+//         binding.mediaViewPager.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {
+//             @Override
+//             public void onPageSelected(final int position) {
+//                 if (filteredList.size() <= 0 || position >= filteredList.size()) return;
+//                 currentChildPosition = position;
+//                 final String counter = (position + 1) + "/" + filteredList.size();
+//                 binding.mediaCounter.setText(counter);
+//                 final ViewerPostModel viewerPostModel = filteredList.get(position);
+//                 if (viewerPostModel.getItemType() == MediaItemType.MEDIA_TYPE_VIDEO) {
+//                     setVideoDetails(viewerPostModel);
+//                     setVolumeListener(position);
+//                     return;
+//                 }
+//                 setImageDetails();
+//             }
+//         });
+//     }
+//
+//     private void setVolumeListener(final int position) {
+//         binding.bottomPanel.btnMute.setOnClickListener(v -> {
+//             try {
+//                 final RecyclerView.ViewHolder viewHolder = ((RecyclerView) binding.mediaViewPager
+//                         .getChildAt(0)).findViewHolderForAdapterPosition(position);
+//                 if (viewHolder != null) {
+//                     final View itemView = viewHolder.itemView;
+//                     if (itemView instanceof PlayerView) {
+//                         final SimpleExoPlayer player = (SimpleExoPlayer) ((PlayerView) itemView)
+//                                 .getPlayer();
+//                         if (player == null) return;
+//                         final float vol = player.getVolume() == 0f ? 1f : 0f;
+//                         player.setVolume(vol);
+//                         binding.bottomPanel.btnMute.setImageResource(vol == 0f ? R.drawable.ic_volume_up_24
+//                                                                                : R.drawable.ic_volume_off_24);
+//                         Utils.sessionVolumeFull = vol == 1f;
+//                     }
+//                 }
+//             } catch (Exception e) {
+//                 Log.e(TAG, "Error", e);
+//             }
+//         });
+//     }
+//
+//     private void setImageDetails() {
+//         binding.bottomPanel.btnMute.setVisibility(View.GONE);
+//         binding.bottomPanel.videoViewsContainer.setVisibility(View.GONE);
+//     }
+//
+//     private void setVideoDetails(final ViewerPostModel viewerPostModel) {
+//         binding.bottomPanel.btnMute.setVisibility(View.VISIBLE);
+//         final long videoViews = viewerPostModel.getVideoViews();
+//         if (videoViews < 0) {
+//             binding.bottomPanel.videoViewsContainer.setVisibility(View.GONE);
+//             return;
+//         }
+//         binding.bottomPanel.tvVideoViews.setText(String.valueOf(videoViews));
+//         binding.bottomPanel.videoViewsContainer.setVisibility(View.VISIBLE);
+//     }
+//
+//     public void stopPlayingVideo() {
+//         try {
+//             final RecyclerView.ViewHolder viewHolder = ((RecyclerView) binding.mediaViewPager
+//                     .getChildAt(0)).findViewHolderForAdapterPosition(currentChildPosition);
+//             if (viewHolder != null) {
+//                 final View itemView = viewHolder.itemView;
+//                 if (itemView instanceof PlayerView) {
+//                     final Player player = ((PlayerView) itemView).getPlayer();
+//                     if (player != null) {
+//                         player.setPlayWhenReady(false);
+//                     }
+//                 }
+//             }
+//         } catch (Exception e) {
+//             Log.e(TAG, "Error", e);
+//         }
+//     }
+// }

app/src/main/java/awais/instagrabber/adapters/viewholder/SliderItemViewHolder.java

@@ -0,0 +1,21 @@
+package awais.instagrabber.adapters.viewholder;
+
+import android.view.View;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import awais.instagrabber.adapters.SliderItemsAdapter;
+import awais.instagrabber.models.PostChild;
+
+public abstract class SliderItemViewHolder extends RecyclerView.ViewHolder {
+    private static final String TAG = "FeedSliderItemViewHolder";
+
+    public SliderItemViewHolder(@NonNull final View itemView) {
+        super(itemView);
+    }
+
+    public abstract void bind(final PostChild model,
+                              final int position,
+                              final SliderItemsAdapter.SliderCallback sliderCallback);
+}

app/src/main/java/awais/instagrabber/adapters/viewholder/SliderPhotoViewHolder.java

@@ -0,0 +1,122 @@
+package awais.instagrabber.adapters.viewholder;
+
+import android.graphics.drawable.Animatable;
+import android.net.Uri;
+
+import androidx.annotation.NonNull;
+
+import com.facebook.drawee.backends.pipeline.Fresco;
+import com.facebook.drawee.controller.BaseControllerListener;
+import com.facebook.imagepipeline.image.ImageInfo;
+import com.facebook.imagepipeline.request.ImageRequest;
+import com.facebook.imagepipeline.request.ImageRequestBuilder;
+
+import awais.instagrabber.adapters.SliderItemsAdapter;
+import awais.instagrabber.customviews.VerticalDragHelper;
+import awais.instagrabber.customviews.drawee.AnimatedZoomableController;
+import awais.instagrabber.databinding.ItemSliderPhotoBinding;
+import awais.instagrabber.models.PostChild;
+
+public class SliderPhotoViewHolder extends SliderItemViewHolder {
+    private static final String TAG = "FeedSliderPhotoViewHolder";
+
+    private final ItemSliderPhotoBinding binding;
+    private final VerticalDragHelper.OnVerticalDragListener onVerticalDragListener;
+
+    public SliderPhotoViewHolder(@NonNull final ItemSliderPhotoBinding binding,
+                                 final VerticalDragHelper.OnVerticalDragListener onVerticalDragListener) {
+        super(binding.getRoot());
+        this.binding = binding;
+        this.onVerticalDragListener = onVerticalDragListener;
+    }
+
+    public void bind(@NonNull final PostChild model,
+                     final int position,
+                     final SliderItemsAdapter.SliderCallback sliderCallback) {
+        final ImageRequest requestBuilder = ImageRequestBuilder
+                .newBuilderWithSource(Uri.parse(model.getDisplayUrl()))
+                .setLocalThumbnailPreviewsEnabled(true)
+                .build();
+        binding.getRoot()
+               .setController(Fresco.newDraweeControllerBuilder()
+                                    .setImageRequest(requestBuilder)
+                                    .setControllerListener(new BaseControllerListener<ImageInfo>() {
+                                        @Override
+                                        public void onFailure(final String id, final Throwable throwable) {
+                                            if (sliderCallback != null) {
+                                                sliderCallback.onThumbnailLoaded(position);
+                                            }
+                                        }
+
+                                        @Override
+                                        public void onFinalImageSet(final String id,
+                                                                    final ImageInfo imageInfo,
+                                                                    final Animatable animatable) {
+                                            if (sliderCallback != null) {
+                                                sliderCallback.onThumbnailLoaded(position);
+                                            }
+                                        }
+                                    })
+                                    .setLowResImageRequest(ImageRequest.fromUri(model.getThumbnailUrl()))
+                                    .build());
+        binding.getRoot().setOnClickListener(v -> {
+            if (sliderCallback != null) {
+                sliderCallback.onItemClicked(position);
+            }
+        });
+        final AnimatedZoomableController zoomableController = AnimatedZoomableController.newInstance();
+        zoomableController.setMaxScaleFactor(3f);
+        binding.getRoot().setZoomableController(zoomableController);
+        if (onVerticalDragListener != null) {
+            binding.getRoot().setOnVerticalDragListener(onVerticalDragListener);
+        }
+    }
+
+    // private void setDimensions(final FeedModel feedModel, final int spanCount, final boolean animate) {
+    //     final ViewGroup.LayoutParams layoutParams = binding.imageViewer.getLayoutParams();
+    //     final int deviceWidth = Utils.displayMetrics.widthPixels;
+    //     final int spanWidth = deviceWidth / spanCount;
+    //     final int spanHeight = NumberUtils.getResultingHeight(spanWidth, feedModel.getImageHeight(), feedModel.getImageWidth());
+    //     final int width = spanWidth == 0 ? deviceWidth : spanWidth;
+    //     final int height = spanHeight == 0 ? deviceWidth + 1 : spanHeight;
+    //     if (animate) {
+    //         Animation animation = AnimationUtils.expand(
+    //                 binding.imageViewer,
+    //                 layoutParams.width,
+    //                 layoutParams.height,
+    //                 width,
+    //                 height,
+    //                 new Animation.AnimationListener() {
+    //                     @Override
+    //                     public void onAnimationStart(final Animation animation) {
+    //                         showOrHideDetails(spanCount);
+    //                     }
+    //
+    //                     @Override
+    //                     public void onAnimationEnd(final Animation animation) {
+    //                         // showOrHideDetails(spanCount);
+    //                     }
+    //
+    //                     @Override
+    //                     public void onAnimationRepeat(final Animation animation) {
+    //
+    //                     }
+    //                 });
+    //         binding.imageViewer.startAnimation(animation);
+    //     } else {
+    //         layoutParams.width = width;
+    //         layoutParams.height = height;
+    //         binding.imageViewer.requestLayout();
+    //     }
+    // }
+    //
+    // private void showOrHideDetails(final int spanCount) {
+    //     if (spanCount == 1) {
+    //         binding.itemFeedTop.getRoot().setVisibility(View.VISIBLE);
+    //         binding.itemFeedBottom.getRoot().setVisibility(View.VISIBLE);
+    //     } else {
+    //         binding.itemFeedTop.getRoot().setVisibility(View.GONE);
+    //         binding.itemFeedBottom.getRoot().setVisibility(View.GONE);
+    //     }
+    // }
+}

app/src/main/java/awais/instagrabber/adapters/viewholder/SliderVideoViewHolder.java

@@ -0,0 +1,171 @@
+package awais.instagrabber.adapters.viewholder;
+
+import android.annotation.SuppressLint;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+
+import awais.instagrabber.adapters.SliderItemsAdapter;
+import awais.instagrabber.customviews.VerticalDragHelper;
+import awais.instagrabber.customviews.VideoPlayerCallbackAdapter;
+import awais.instagrabber.customviews.VideoPlayerViewHelper;
+import awais.instagrabber.databinding.LayoutExoCustomControlsBinding;
+import awais.instagrabber.databinding.LayoutVideoPlayerWithThumbnailBinding;
+import awais.instagrabber.models.PostChild;
+import awais.instagrabber.utils.Constants;
+import awais.instagrabber.utils.NumberUtils;
+import awais.instagrabber.utils.Utils;
+
+import static awais.instagrabber.utils.Utils.settingsHelper;
+
+public class SliderVideoViewHolder extends SliderItemViewHolder {
+    private static final String TAG = "SliderVideoViewHolder";
+
+    private final LayoutVideoPlayerWithThumbnailBinding binding;
+    private final awais.instagrabber.databinding.LayoutExoCustomControlsBinding controlsBinding;
+    private VideoPlayerViewHelper videoPlayerViewHelper;
+
+    @SuppressLint("ClickableViewAccessibility")
+    public SliderVideoViewHolder(@NonNull final LayoutVideoPlayerWithThumbnailBinding binding,
+                                 final VerticalDragHelper.OnVerticalDragListener onVerticalDragListener,
+                                 final LayoutExoCustomControlsBinding controlsBinding) {
+        super(binding.getRoot());
+        this.binding = binding;
+        this.controlsBinding = controlsBinding;
+        final VerticalDragHelper thumbnailVerticalDragHelper = new VerticalDragHelper(binding.thumbnailParent);
+        final VerticalDragHelper playerVerticalDragHelper = new VerticalDragHelper(binding.playerView);
+        thumbnailVerticalDragHelper.setOnVerticalDragListener(onVerticalDragListener);
+        playerVerticalDragHelper.setOnVerticalDragListener(onVerticalDragListener);
+        binding.thumbnailParent.setOnTouchListener((v, event) -> {
+            final boolean onDragTouch = thumbnailVerticalDragHelper.onDragTouch(event);
+            if (onDragTouch) {
+                return true;
+            }
+            return thumbnailVerticalDragHelper.onGestureTouchEvent(event);
+        });
+        binding.playerView.setOnTouchListener((v, event) -> {
+            final boolean onDragTouch = playerVerticalDragHelper.onDragTouch(event);
+            if (onDragTouch) {
+                return true;
+            }
+            return playerVerticalDragHelper.onGestureTouchEvent(event);
+        });
+    }
+
+    public void bind(@NonNull final PostChild model,
+                     final int position,
+                     final SliderItemsAdapter.SliderCallback sliderCallback) {
+        final float vol = settingsHelper.getBoolean(Constants.MUTED_VIDEOS) ? 0f : 1f;
+        final VideoPlayerViewHelper.VideoPlayerCallback videoPlayerCallback = new VideoPlayerCallbackAdapter() {
+            @Override
+            public void onThumbnailLoaded() {
+                if (sliderCallback != null) {
+                    sliderCallback.onThumbnailLoaded(position);
+                }
+            }
+
+            @Override
+            public void onPlayerViewLoaded() {
+                // binding.itemFeedBottom.btnMute.setVisibility(View.VISIBLE);
+                final ViewGroup.LayoutParams layoutParams = binding.playerView.getLayoutParams();
+                final int requiredWidth = Utils.displayMetrics.widthPixels;
+                final int resultingHeight = NumberUtils.getResultingHeight(requiredWidth, model.getHeight(), model.getWidth());
+                layoutParams.width = requiredWidth;
+                layoutParams.height = resultingHeight;
+                binding.playerView.requestLayout();
+                // setMuteIcon(vol == 0f && Utils.sessionVolumeFull ? 1f : vol);
+            }
+
+            @Override
+            public void onPlay() {
+                if (sliderCallback != null) {
+                    sliderCallback.onPlayerPlay(position);
+                }
+            }
+
+            @Override
+            public void onPause() {
+                if (sliderCallback != null) {
+                    sliderCallback.onPlayerPause(position);
+                }
+            }
+        };
+        final float aspectRatio = (float) model.getWidth() / model.getHeight();
+        videoPlayerViewHelper = new VideoPlayerViewHelper(binding.getRoot().getContext(),
+                                                          binding,
+                                                          model.getDisplayUrl(),
+                                                          vol,
+                                                          aspectRatio,
+                                                          model.getThumbnailUrl(),
+                                                          controlsBinding,
+                                                          videoPlayerCallback);
+        // binding.itemFeedBottom.btnMute.setOnClickListener(v -> {
+        //     final float newVol = videoPlayerViewHelper.toggleMute();
+        //     setMuteIcon(newVol);
+        //     Utils.sessionVolumeFull = newVol == 1f;
+        // });
+        binding.playerView.setOnClickListener(v -> {
+            if (sliderCallback != null) {
+                sliderCallback.onItemClicked(position);
+            }
+        });
+    }
+
+    public void pause() {
+        if (videoPlayerViewHelper == null) return;
+        videoPlayerViewHelper.pause();
+    }
+
+    public void releasePlayer() {
+        if (videoPlayerViewHelper == null) return;
+        videoPlayerViewHelper.releasePlayer();
+    }
+
+    // private void setDimensions(final FeedModel feedModel, final int spanCount, final boolean animate) {
+    //     final ViewGroup.LayoutParams layoutParams = binding.imageViewer.getLayoutParams();
+    //     final int deviceWidth = Utils.displayMetrics.widthPixels;
+    //     final int spanWidth = deviceWidth / spanCount;
+    //     final int spanHeight = NumberUtils.getResultingHeight(spanWidth, feedModel.getImageHeight(), feedModel.getImageWidth());
+    //     final int width = spanWidth == 0 ? deviceWidth : spanWidth;
+    //     final int height = spanHeight == 0 ? deviceWidth + 1 : spanHeight;
+    //     if (animate) {
+    //         Animation animation = AnimationUtils.expand(
+    //                 binding.imageViewer,
+    //                 layoutParams.width,
+    //                 layoutParams.height,
+    //                 width,
+    //                 height,
+    //                 new Animation.AnimationListener() {
+    //                     @Override
+    //                     public void onAnimationStart(final Animation animation) {
+    //                         showOrHideDetails(spanCount);
+    //                     }
+    //
+    //                     @Override
+    //                     public void onAnimationEnd(final Animation animation) {
+    //                         // showOrHideDetails(spanCount);
+    //                     }
+    //
+    //                     @Override
+    //                     public void onAnimationRepeat(final Animation animation) {
+    //
+    //                     }
+    //                 });
+    //         binding.imageViewer.startAnimation(animation);
+    //     } else {
+    //         layoutParams.width = width;
+    //         layoutParams.height = height;
+    //         binding.imageViewer.requestLayout();
+    //     }
+    // }
+    //
+    // private void showOrHideDetails(final int spanCount) {
+    //     if (spanCount == 1) {
+    //         binding.itemFeedTop.getRoot().setVisibility(View.VISIBLE);
+    //         binding.itemFeedBottom.getRoot().setVisibility(View.VISIBLE);
+    //     } else {
+    //         binding.itemFeedTop.getRoot().setVisibility(View.GONE);
+    //         binding.itemFeedBottom.getRoot().setVisibility(View.GONE);
+    //     }
+    // }
+}

app/src/main/java/awais/instagrabber/adapters/viewholder/feed/FeedItemViewHolder.java

@@ -9,6 +9,7 @@ import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
+import awais.instagrabber.adapters.FeedAdapterV2;
 import awais.instagrabber.customviews.CommentMentionClickSpan;
 import awais.instagrabber.customviews.RamboTextView;
 import awais.instagrabber.databinding.ItemFeedBottomBinding;
@@ -34,17 +35,19 @@ public abstract class FeedItemViewHolder extends RecyclerView.ViewHolder {
         this.topBinding = topBinding;
         this.bottomBinding = bottomBinding;
         this.mentionClickListener = mentionClickListener;
+        // itemView.setOnClickListener(clickListener);
         // topBinding.title.setMovementMethod(new LinkMovementMethod());
-        bottomBinding.btnComments.setOnClickListener(clickListener);
-        topBinding.viewStoryPost.setOnClickListener(clickListener);
-        topBinding.ivProfilePic.setOnClickListener(clickListener);
-        bottomBinding.btnDownload.setOnClickListener(clickListener);
-        bottomBinding.viewerCaption.setOnClickListener(clickListener);
-        bottomBinding.viewerCaption.setOnLongClickListener(longClickListener);
-        bottomBinding.viewerCaption.setMentionClickListener(mentionClickListener);
+        // bottomBinding.btnComments.setOnClickListener(clickListener);
+        // topBinding.viewStoryPost.setOnClickListener(clickListener);
+        // topBinding.ivProfilePic.setOnClickListener(clickListener);
+        // bottomBinding.btnDownload.setOnClickListener(clickListener);
+        // bottomBinding.viewerCaption.setOnClickListener(clickListener);
+        // bottomBinding.viewerCaption.setOnLongClickListener(longClickListener);
+        // bottomBinding.viewerCaption.setMentionClickListener(mentionClickListener);
     }
 
-    public void bind(final FeedModel feedModel) {
+    public void bind(final FeedModel feedModel,
+                     final FeedAdapterV2.OnPostClickListener postClickListener) {
         if (feedModel == null) {
             return;
         }
@@ -83,7 +86,7 @@ public abstract class FeedItemViewHolder extends RecyclerView.ViewHolder {
             }
         }
         expandCollapseTextView(bottomBinding.viewerCaption, feedModel.getPostCaption());
-        bindItem(feedModel);
+        bindItem(feedModel, postClickListener);
     }
 
     private void setLocation(final String locationName, final String locationId) {
@@ -106,7 +109,7 @@ public abstract class FeedItemViewHolder extends RecyclerView.ViewHolder {
      * expands or collapses {@link RamboTextView} [stg idek why i wrote this documentation]
      *
      * @param textView the {@link RamboTextView} view, to expand and collapse
-     * @param caption caption
+     * @param caption  caption
      * @return isExpanded
      */
     public static boolean expandCollapseTextView(@NonNull final RamboTextView textView, final CharSequence caption) {
@@ -116,7 +119,7 @@ public abstract class FeedItemViewHolder extends RecyclerView.ViewHolder {
 
         if (textView.isCaptionExpanded()) {
             textView.setText(caption, bufferType);
-            textView.setCaptionIsExpanded(false);
+            // textView.setCaptionIsExpanded(false);
             return true;
         }
         int i = TextUtils.indexOfChar(caption, '\r', 0);
@@ -129,10 +132,15 @@ public abstract class FeedItemViewHolder extends RecyclerView.ViewHolder {
 
         if (TextUtils.hasMentions(caption))
             textView.setText(TextUtils.getMentionText(caption), TextView.BufferType.SPANNABLE);
-        textView.setCaptionIsExpandable(true);
-        textView.setCaptionIsExpanded(true);
+        // textView.setCaptionIsExpandable(true);
+        // textView.setCaptionIsExpanded(true);
         return true;
     }
 
-    public abstract void bindItem(final FeedModel feedModel);
+    public abstract void bindItem(final FeedModel feedModel,
+                                  final FeedAdapterV2.OnPostClickListener postClickListener);
+
+    public void clearAnimation() {
+        itemView.clearAnimation();
+    }
 }

app/src/main/java/awais/instagrabber/adapters/viewholder/feed/FeedPhotoViewHolder.java

@@ -1,8 +1,9 @@
 package awais.instagrabber.adapters.viewholder.feed;
 
 import android.net.Uri;
+import android.view.GestureDetector;
+import android.view.MotionEvent;
 import android.view.View;
-import android.view.ViewGroup;
 
 import androidx.annotation.NonNull;
 
@@ -13,16 +14,17 @@ import com.facebook.drawee.generic.GenericDraweeHierarchyBuilder;
 import com.facebook.imagepipeline.request.ImageRequest;
 import com.facebook.imagepipeline.request.ImageRequestBuilder;
 
+import awais.instagrabber.adapters.FeedAdapterV2;
 import awais.instagrabber.databinding.ItemFeedPhotoBinding;
 import awais.instagrabber.interfaces.MentionClickListener;
 import awais.instagrabber.models.FeedModel;
 import awais.instagrabber.utils.TextUtils;
-import awais.instagrabber.utils.Utils;
 
 public class FeedPhotoViewHolder extends FeedItemViewHolder {
     private static final String TAG = "FeedPhotoViewHolder";
 
     private final ItemFeedPhotoBinding binding;
+    // private final long animationDuration;
 
     public FeedPhotoViewHolder(@NonNull final ItemFeedPhotoBinding binding,
                                final MentionClickListener mentionClickListener,
@@ -30,6 +32,7 @@ public class FeedPhotoViewHolder extends FeedItemViewHolder {
                                final View.OnLongClickListener longClickListener) {
         super(binding.getRoot(), binding.itemFeedTop, binding.itemFeedBottom, mentionClickListener, clickListener, longClickListener);
         this.binding = binding;
+        // this.animationDuration = animationDuration;
         binding.itemFeedBottom.videoViewsContainer.setVisibility(View.GONE);
         binding.itemFeedBottom.btnMute.setVisibility(View.GONE);
         binding.imageViewer.setAllowTouchInterceptionWhileZoomed(false);
@@ -40,15 +43,13 @@ public class FeedPhotoViewHolder extends FeedItemViewHolder {
     }
 
     @Override
-    public void bindItem(final FeedModel feedModel) {
+    public void bindItem(final FeedModel feedModel,
+                         final FeedAdapterV2.OnPostClickListener postClickListener) {
         if (feedModel == null) {
             return;
         }
-        final ViewGroup.LayoutParams layoutParams = binding.imageViewer.getLayoutParams();
-        final int requiredWidth = Utils.displayMetrics.widthPixels;
-        layoutParams.width = feedModel.getImageWidth() == 0 ? requiredWidth : feedModel.getImageWidth();
-        layoutParams.height = feedModel.getImageHeight() == 0 ? requiredWidth + 1 : feedModel.getImageHeight();
-        binding.imageViewer.requestLayout();
+        setDimensions(feedModel);
+        showOrHideDetails(false);
         final String thumbnailUrl = feedModel.getThumbnailUrl();
         String url = feedModel.getDisplayUrl();
         if (TextUtils.isEmpty(url)) url = thumbnailUrl;
@@ -61,16 +62,66 @@ public class FeedPhotoViewHolder extends FeedItemViewHolder {
                                                 .setOldController(binding.imageViewer.getController())
                                                 .setLowResImageRequest(ImageRequest.fromUri(thumbnailUrl))
                                                 .build());
-        // binding.imageViewer.setImageURI(url);
-        // final RequestBuilder<Bitmap> thumbnailRequestBuilder = glide
-        //         .asBitmap()
-        //         .load(thumbnailUrl)
-        //         .diskCacheStrategy(DiskCacheStrategy.ALL);
-        // glide.asBitmap()
-        //      .load(url)
-        //      .thumbnail(thumbnailRequestBuilder)
-        //      .diskCacheStrategy(DiskCacheStrategy.ALL)
-        //      .into(customTarget);
+        binding.imageViewer.setTapListener(new GestureDetector.SimpleOnGestureListener() {
+            @Override
+            public boolean onSingleTapConfirmed(final MotionEvent e) {
+                if (postClickListener != null) {
+                    postClickListener.onPostClick(feedModel, binding.itemFeedTop.ivProfilePic, binding.imageViewer);
+                    return true;
+                }
+                return false;
+            }
+        });
+    }
+
+    private void setDimensions(final FeedModel feedModel) {
+        // final ViewGroup.LayoutParams layoutParams = binding.imageViewer.getLayoutParams();
+        // final int deviceWidth = Utils.displayMetrics.widthPixels;
+        // final int spanWidth = deviceWidth / spanCount;
+        // final int spanHeight = NumberUtils.getResultingHeight(spanWidth, feedModel.getImageHeight(), feedModel.getImageWidth());
+        // final int width = spanWidth == 0 ? deviceWidth : spanWidth;
+        // final int height = spanHeight == 0 ? deviceWidth + 1 : spanHeight;
+        final float aspectRatio = (float) feedModel.getImageWidth() / feedModel.getImageHeight();
+        binding.imageViewer.setAspectRatio(aspectRatio);
+        // Log.d(TAG, "setDimensions: aspectRatio:" + aspectRatio);
+        // if (animate) {
+        //     Animation animation = AnimationUtils.expand(
+        //             binding.imageViewer,
+        //             layoutParams.width,
+        //             layoutParams.height,
+        //             width,
+        //             height,
+        //             new Animation.AnimationListener() {
+        //                 @Override
+        //                 public void onAnimationStart(final Animation animation) {
+        //                     showOrHideDetails(spanCount);
+        //                 }
+        //
+        //                 @Override
+        //                 public void onAnimationEnd(final Animation animation) {
+        //                     // showOrHideDetails(spanCount);
+        //                 }
+        //
+        //                 @Override
+        //                 public void onAnimationRepeat(final Animation animation) {
+        //
+        //                 }
+        //             });
+        //     binding.imageViewer.startAnimation(animation);
+        // } else {
+        //     layoutParams.width = width;
+        //     layoutParams.height = height;
+        //     binding.imageViewer.requestLayout();
+        // }
+    }
 
+    private void showOrHideDetails(final boolean show) {
+        if (show) {
+            binding.itemFeedTop.getRoot().setVisibility(View.VISIBLE);
+            binding.itemFeedBottom.getRoot().setVisibility(View.VISIBLE);
+        } else {
+            binding.itemFeedTop.getRoot().setVisibility(View.GONE);
+            binding.itemFeedBottom.getRoot().setVisibility(View.GONE);
+        }
     }
 }

app/src/main/java/awais/instagrabber/adapters/viewholder/feed/FeedSliderViewHolder.java

@@ -1,24 +1,15 @@
 package awais.instagrabber.adapters.viewholder.feed;
 
 import android.content.Context;
-import android.net.Uri;
-import android.view.Gravity;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.FrameLayout;
+import android.view.ViewTreeObserver;
 import android.widget.ViewSwitcher;
 
 import androidx.annotation.NonNull;
-import androidx.appcompat.widget.AppCompatImageView;
-import androidx.viewpager.widget.PagerAdapter;
-import androidx.viewpager.widget.ViewPager;
+import androidx.viewpager2.widget.ViewPager2;
 
-import com.facebook.drawee.drawable.ScalingUtils;
-import com.facebook.drawee.generic.GenericDraweeHierarchy;
-import com.facebook.drawee.generic.GenericDraweeHierarchyBuilder;
-import com.facebook.drawee.view.SimpleDraweeView;
-import com.facebook.imagepipeline.request.ImageRequest;
-import com.facebook.imagepipeline.request.ImageRequestBuilder;
+import com.google.android.exoplayer2.MediaItem;
 import com.google.android.exoplayer2.Player;
 import com.google.android.exoplayer2.SimpleExoPlayer;
 import com.google.android.exoplayer2.source.ProgressiveMediaSource;
@@ -28,13 +19,18 @@ import com.google.android.exoplayer2.upstream.DefaultDataSourceFactory;
 import com.google.android.exoplayer2.upstream.cache.CacheDataSourceFactory;
 import com.google.android.exoplayer2.upstream.cache.SimpleCache;
 
+import java.util.List;
+
 import awais.instagrabber.R;
+import awais.instagrabber.adapters.FeedAdapterV2;
+import awais.instagrabber.adapters.SliderItemsAdapter;
 import awais.instagrabber.databinding.ItemFeedSliderBinding;
 import awais.instagrabber.interfaces.MentionClickListener;
 import awais.instagrabber.models.FeedModel;
-import awais.instagrabber.models.ViewerPostModel;
+import awais.instagrabber.models.PostChild;
 import awais.instagrabber.models.enums.MediaItemType;
 import awais.instagrabber.utils.Constants;
+import awais.instagrabber.utils.NumberUtils;
 import awais.instagrabber.utils.Utils;
 
 import static awais.instagrabber.utils.Utils.settingsHelper;
@@ -75,69 +71,69 @@ public class FeedSliderViewHolder extends FeedItemViewHolder {
     }
 
     @Override
-    public void bindItem(final FeedModel feedModel) {
-        final ViewerPostModel[] sliderItems = feedModel.getSliderItems();
-        final int sliderItemLen = sliderItems != null ? sliderItems.length : 0;
-        if (sliderItemLen <= 0) {
-            return;
-        }
+    public void bindItem(final FeedModel feedModel,
+                         final FeedAdapterV2.OnPostClickListener postClickListener) {
+        final List<PostChild> sliderItems = feedModel.getSliderItems();
+        final int sliderItemLen = sliderItems != null ? sliderItems.size() : 0;
+        if (sliderItemLen <= 0) return;
         final String text = "1/" + sliderItemLen;
         binding.mediaCounter.setText(text);
-        binding.mediaList.setOffscreenPageLimit(Math.min(5, sliderItemLen));
-
-        final PagerAdapter adapter = binding.mediaList.getAdapter();
-        if (adapter != null) {
-            final int count = adapter.getCount();
-            for (int i = 0; i < count; i++) {
-                adapter.destroyItem(binding.mediaList, i, binding.mediaList.getChildAt(i));
-            }
+        binding.mediaList.setOffscreenPageLimit(1);
+        SliderItemsAdapter adapter = (SliderItemsAdapter) binding.mediaList.getAdapter();
+        if (adapter == null) {
+            adapter = new SliderItemsAdapter();
         }
-        final ChildMediaItemsAdapter itemsAdapter = new ChildMediaItemsAdapter(sliderItems,
-                                                                               cacheDataSourceFactory != null
-                                                                               ? cacheDataSourceFactory
-                                                                               : dataSourceFactory,
-                                                                               playerChangeListener);
-        binding.mediaList.setAdapter(itemsAdapter);
-
-        //noinspection deprecation
-        binding.mediaList.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
-            private int prevPos = 0;
-
+        // adapter.setSpanCount(spanCount);
+        binding.mediaList.setAdapter(adapter);
+        binding.mediaList.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {
             @Override
             public void onPageSelected(final int position) {
-                ViewerPostModel sliderItem = sliderItems[prevPos];
-                if (sliderItem != null) {
-                    sliderItem.setSelected(false);
-                    if (sliderItem.getItemType() == MediaItemType.MEDIA_TYPE_VIDEO) {
-                        // stop playing prev video
-                        final ViewSwitcher prevChild = (ViewSwitcher) binding.mediaList.getChildAt(prevPos);
-                        if (prevChild == null || prevChild.getTag() == null || !(prevChild.getTag() instanceof SimpleExoPlayer)) {
-                            return;
-                        }
-                        ((SimpleExoPlayer) prevChild.getTag()).setPlayWhenReady(false);
-                    }
-                }
-                sliderItem = sliderItems[position];
-                if (sliderItem == null) return;
-                sliderItem.setSelected(true);
-                final String text = (position + 1) + "/" + sliderItemLen;
-                binding.mediaCounter.setText(text);
-                prevPos = position;
-                if (sliderItem.getItemType() == MediaItemType.MEDIA_TYPE_VIDEO) {
-                    binding.itemFeedBottom.btnMute.setVisibility(View.VISIBLE);
-                    if (shouldAutoPlay) {
-                        autoPlay(position);
-                    }
-                } else binding.itemFeedBottom.btnMute.setVisibility(View.GONE);
+                if (position >= sliderItemLen) return;
+                setDimensions(binding.mediaList, sliderItems.get(position));
             }
         });
+        setDimensions(binding.mediaList, sliderItems.get(0));
 
+
+        //noinspection deprecation
+        // binding.mediaList.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
+        //     private int prevPos = 0;
+        //
+        //     @Override
+        //     public void onPageSelected(final int position) {
+        //         ViewerPostModel sliderItem = sliderItems.get(prevPos);
+        //         if (sliderItem != null) {
+        //             sliderItem.setSelected(false);
+        //             if (sliderItem.getItemType() == MediaItemType.MEDIA_TYPE_VIDEO) {
+        //                 // stop playing prev video
+        //                 final ViewSwitcher prevChild = (ViewSwitcher) binding.mediaList.getChildAt(prevPos);
+        //                 if (prevChild == null || prevChild.getTag() == null || !(prevChild.getTag() instanceof SimpleExoPlayer)) {
+        //                     return;
+        //                 }
+        //                 ((SimpleExoPlayer) prevChild.getTag()).setPlayWhenReady(false);
+        //             }
+        //         }
+        //         sliderItem = sliderItems.get(position);
+        //         if (sliderItem == null) return;
+        //         sliderItem.setSelected(true);
+        //         final String text = (position + 1) + "/" + sliderItemLen;
+        //         binding.mediaCounter.setText(text);
+        //         prevPos = position;
+        //         if (sliderItem.getItemType() == MediaItemType.MEDIA_TYPE_VIDEO) {
+        //             binding.itemFeedBottom.btnMute.setVisibility(View.VISIBLE);
+        //             if (shouldAutoPlay) {
+        //                 autoPlay(position);
+        //             }
+        //         } else binding.itemFeedBottom.btnMute.setVisibility(View.GONE);
+        //     }
+        // });
+        adapter.submitList(sliderItems);
         final View.OnClickListener muteClickListener = v -> {
             final int currentItem = binding.mediaList.getCurrentItem();
             if (currentItem < 0 || currentItem >= binding.mediaList.getChildCount()) {
                 return;
             }
-            final ViewerPostModel sliderItem = sliderItems[currentItem];
+            final PostChild sliderItem = sliderItems.get(currentItem);
             if (sliderItem.getItemType() != MediaItemType.MEDIA_TYPE_VIDEO) {
                 return;
             }
@@ -156,7 +152,7 @@ public class FeedSliderViewHolder extends FeedItemViewHolder {
             binding.itemFeedBottom.btnMute.setImageResource(intVol == 0f ? R.drawable.ic_volume_up_24 : R.drawable.ic_volume_off_24);
             Utils.sessionVolumeFull = intVol == 1f;
         };
-        final ViewerPostModel firstItem = sliderItems[0];
+        final PostChild firstItem = sliderItems.get(0);
         if (firstItem.getItemType() == MediaItemType.MEDIA_TYPE_VIDEO) {
             binding.itemFeedBottom.btnMute.setVisibility(View.VISIBLE);
         }
@@ -164,24 +160,50 @@ public class FeedSliderViewHolder extends FeedItemViewHolder {
         binding.itemFeedBottom.btnMute.setOnClickListener(muteClickListener);
     }
 
-    private void autoPlay(final int position) {
-        if (!shouldAutoPlay) {
-            return;
-        }
-        final ChildMediaItemsAdapter adapter = (ChildMediaItemsAdapter) binding.mediaList.getAdapter();
-        if (adapter == null) {
-            return;
-        }
-        final ViewerPostModel sliderItem = adapter.getItemAtPosition(position);
-        if (sliderItem.getItemType() != MediaItemType.MEDIA_TYPE_VIDEO) {
+    private void setDimensions(final View view, final PostChild model) {
+        final ViewGroup.LayoutParams layoutParams = binding.mediaList.getLayoutParams();
+        int requiredWidth = layoutParams.width;
+        if (requiredWidth <= 0) {
+            final ViewTreeObserver.OnPreDrawListener preDrawListener = new ViewTreeObserver.OnPreDrawListener() {
+                @Override
+                public boolean onPreDraw() {
+                    view.getViewTreeObserver().removeOnPreDrawListener(this);
+                    setLayoutParamDimens(binding.mediaList, model);
+                    return true;
+                }
+            };
+            view.getViewTreeObserver().addOnPreDrawListener(preDrawListener);
             return;
         }
-        final ViewSwitcher viewSwitcher = (ViewSwitcher) binding.mediaList.getChildAt(position);
-        loadPlayer(binding.getRoot().getContext(),
-                   position, sliderItem.getDisplayUrl(),
-                   viewSwitcher,
-                   cacheDataSourceFactory != null ? cacheDataSourceFactory : dataSourceFactory,
-                   playerChangeListener);
+        setLayoutParamDimens(binding.mediaList, model);
+    }
+
+    private void setLayoutParamDimens(final View view, final PostChild model) {
+        final int requiredWidth = view.getMeasuredWidth();
+        final ViewGroup.LayoutParams layoutParams = view.getLayoutParams();
+        final int spanHeight = NumberUtils.getResultingHeight(requiredWidth, model.getHeight(), model.getWidth());
+        layoutParams.height = spanHeight == 0 ? requiredWidth + 1 : spanHeight;
+        view.requestLayout();
+    }
+
+    private void autoPlay(final int position) {
+        // if (!shouldAutoPlay) {
+        //     return;
+        // }
+        // final ChildMediaItemsAdapter adapter = (ChildMediaItemsAdapter) binding.mediaList.getAdapter();
+        // if (adapter == null) {
+        //     return;
+        // }
+        // final ViewerPostModel sliderItem = adapter.getItemAtPosition(position);
+        // if (sliderItem.getItemType() != MediaItemType.MEDIA_TYPE_VIDEO) {
+        //     return;
+        // }
+        // final ViewSwitcher viewSwitcher = (ViewSwitcher) binding.mediaList.getChildAt(position);
+        // loadPlayer(binding.getRoot().getContext(),
+        //            position, sliderItem.getDisplayUrl(),
+        //            viewSwitcher,
+        //            cacheDataSourceFactory != null ? cacheDataSourceFactory : dataSourceFactory,
+        //            playerChangeListener);
     }
 
     public void startPlayingVideo() {
@@ -200,7 +222,8 @@ public class FeedSliderViewHolder extends FeedItemViewHolder {
     }
 
     private static void loadPlayer(final Context context,
-                                   final int position, final String displayUrl,
+                                   final int position,
+                                   final String displayUrl,
                                    final ViewSwitcher viewSwitcher,
                                    final DataSource.Factory factory,
                                    final PlayerChangeListener playerChangeListener) {
@@ -223,119 +246,14 @@ public class FeedSliderViewHolder extends FeedItemViewHolder {
         if (vol == 0f && Utils.sessionVolumeFull) vol = 1f;
         player.setVolume(vol);
         player.setPlayWhenReady(Utils.settingsHelper.getBoolean(Constants.AUTOPLAY_VIDEOS));
-        final ProgressiveMediaSource mediaSource = new ProgressiveMediaSource.Factory(factory).createMediaSource(Uri.parse(displayUrl));
+        final MediaItem mediaItem = MediaItem.fromUri(displayUrl);
+        final ProgressiveMediaSource mediaSource = new ProgressiveMediaSource.Factory(factory).createMediaSource(mediaItem);
         player.setRepeatMode(Player.REPEAT_MODE_ALL);
-        player.prepare(mediaSource);
+        player.setMediaSource(mediaSource);
+        player.prepare();
         player.setVolume(vol);
         playerChangeListener.playerChanged(position, player);
         viewSwitcher.setTag(player);
     }
 
-    private static final class ChildMediaItemsAdapter extends PagerAdapter {
-        // private static final String TAG = "ChildMediaItemsAdapter";
-
-        private final ViewerPostModel[] sliderItems;
-        private final DataSource.Factory factory;
-        private final PlayerChangeListener playerChangeListener;
-        private final ViewGroup.LayoutParams layoutParams;
-
-        private ChildMediaItemsAdapter(final ViewerPostModel[] sliderItems,
-                                       final DataSource.Factory factory,
-                                       final PlayerChangeListener playerChangeListener) {
-            this.sliderItems = sliderItems;
-            this.factory = factory;
-            this.playerChangeListener = playerChangeListener;
-            layoutParams = new ViewGroup.LayoutParams(Utils.displayMetrics.widthPixels, Utils.displayMetrics.widthPixels + 1);
-        }
-
-        @NonNull
-        @Override
-        public Object instantiateItem(@NonNull final ViewGroup container, final int position) {
-            final Context context = container.getContext();
-            final ViewerPostModel sliderItem = sliderItems[position];
-
-            final String displayUrl = sliderItem.getDisplayUrl();
-            if (sliderItem.getItemType() == MediaItemType.MEDIA_TYPE_VIDEO) {
-                final ViewSwitcher viewSwitcher = createViewSwitcher(context, position, sliderItem.getSliderDisplayUrl(), displayUrl);
-                container.addView(viewSwitcher);
-                return viewSwitcher;
-            }
-            final GenericDraweeHierarchy hierarchy = GenericDraweeHierarchyBuilder.newInstance(container.getResources())
-                                                                                  .setActualImageScaleType(ScalingUtils.ScaleType.FIT_CENTER)
-                                                                                  .build();
-            final SimpleDraweeView photoView = new SimpleDraweeView(context, hierarchy);
-            photoView.setLayoutParams(layoutParams);
-            final ImageRequest imageRequest = ImageRequestBuilder.newBuilderWithSource(Uri.parse(displayUrl))
-                                                                 .setLocalThumbnailPreviewsEnabled(true)
-                                                                 .setProgressiveRenderingEnabled(true)
-                                                                 .build();
-            photoView.setImageRequest(imageRequest);
-            container.addView(photoView);
-            return photoView;
-        }
-
-        @NonNull
-        private ViewSwitcher createViewSwitcher(final Context context, final int position, final String sliderDisplayUrl, final String displayUrl) {
-
-            final ViewSwitcher viewSwitcher = new ViewSwitcher(context);
-            viewSwitcher.setLayoutParams(layoutParams);
-
-            final FrameLayout frameLayout = new FrameLayout(context);
-            frameLayout.setLayoutParams(layoutParams);
-
-            final GenericDraweeHierarchy hierarchy = new GenericDraweeHierarchyBuilder(context.getResources())
-                    .setActualImageScaleType(ScalingUtils.ScaleType.FIT_CENTER)
-                    .build();
-            final SimpleDraweeView simpleDraweeView = new SimpleDraweeView(context, hierarchy);
-            simpleDraweeView.setLayoutParams(layoutParams);
-            simpleDraweeView.setImageURI(sliderDisplayUrl);
-            frameLayout.addView(simpleDraweeView);
-
-            final AppCompatImageView imageView = new AppCompatImageView(context);
-            final int px = Utils.convertDpToPx(50);
-            final FrameLayout.LayoutParams playButtonLayoutParams = new FrameLayout.LayoutParams(px, px);
-            playButtonLayoutParams.gravity = Gravity.CENTER;
-            imageView.setLayoutParams(playButtonLayoutParams);
-            imageView.setImageResource(R.drawable.exo_icon_play);
-            frameLayout.addView(imageView);
-
-            viewSwitcher.addView(frameLayout);
-
-            final PlayerView playerView = new PlayerView(context);
-            viewSwitcher.addView(playerView);
-            if (shouldAutoPlay && position == 0) {
-                loadPlayer(context, position, displayUrl, viewSwitcher, factory, playerChangeListener);
-            } else
-                frameLayout.setOnClickListener(v -> loadPlayer(context, position, displayUrl, viewSwitcher, factory, playerChangeListener));
-            return viewSwitcher;
-        }
-
-        @Override
-        public void destroyItem(@NonNull final ViewGroup container, final int position, @NonNull final Object object) {
-            final View view = container.getChildAt(position);
-            // Log.d(TAG, "destroy position: " + position + ", view: " + view);
-            if (view instanceof ViewSwitcher) {
-                final Object tag = view.getTag();
-                if (tag instanceof SimpleExoPlayer) {
-                    final SimpleExoPlayer player = (SimpleExoPlayer) tag;
-                    player.release();
-                }
-            }
-            container.removeView((View) object);
-        }
-
-        @Override
-        public int getCount() {
-            return sliderItems != null ? sliderItems.length : 0;
-        }
-
-        @Override
-        public boolean isViewFromObject(@NonNull final View view, @NonNull final Object object) {
-            return view.equals(object);
-        }
-
-        public ViewerPostModel getItemAtPosition(final int position) {
-            return sliderItems[0];
-        }
-    }
 }

app/src/main/java/awais/instagrabber/adapters/viewholder/feed/FeedVideoViewHolder.java

@@ -1,7 +1,6 @@
 package awais.instagrabber.adapters.viewholder.feed;
 
 import android.content.Context;
-import android.net.Uri;
 import android.os.Handler;
 import android.os.Looper;
 import android.view.View;
@@ -9,19 +8,14 @@ import android.view.ViewGroup;
 
 import androidx.annotation.NonNull;
 
-import com.facebook.drawee.backends.pipeline.Fresco;
-import com.facebook.drawee.interfaces.DraweeController;
-import com.facebook.imagepipeline.request.ImageRequest;
-import com.facebook.imagepipeline.request.ImageRequestBuilder;
-import com.google.android.exoplayer2.Player;
-import com.google.android.exoplayer2.SimpleExoPlayer;
-import com.google.android.exoplayer2.source.ProgressiveMediaSource;
-import com.google.android.exoplayer2.upstream.DataSource;
 import com.google.android.exoplayer2.upstream.DefaultDataSourceFactory;
 import com.google.android.exoplayer2.upstream.cache.CacheDataSourceFactory;
 import com.google.android.exoplayer2.upstream.cache.SimpleCache;
 
 import awais.instagrabber.R;
+import awais.instagrabber.adapters.FeedAdapterV2;
+import awais.instagrabber.customviews.VideoPlayerCallbackAdapter;
+import awais.instagrabber.customviews.VideoPlayerViewHelper;
 import awais.instagrabber.databinding.ItemFeedVideoBinding;
 import awais.instagrabber.interfaces.MentionClickListener;
 import awais.instagrabber.models.FeedModel;
@@ -40,14 +34,13 @@ public class FeedVideoViewHolder extends FeedItemViewHolder {
 
     private CacheDataSourceFactory cacheDataSourceFactory;
     private FeedModel feedModel;
-    private SimpleExoPlayer player;
 
-    private final Runnable loadRunnable = new Runnable() {
-        @Override
-        public void run() {
-            loadPlayer(feedModel);
-        }
-    };
+    // private final Runnable loadRunnable = new Runnable() {
+    //     @Override
+    //     public void run() {
+    //         // loadPlayer(feedModel);
+    //     }
+    // };
 
     public FeedVideoViewHolder(@NonNull final ItemFeedVideoBinding binding,
                                final MentionClickListener mentionClickListener,
@@ -66,72 +59,55 @@ public class FeedVideoViewHolder extends FeedItemViewHolder {
     }
 
     @Override
-    public void bindItem(final FeedModel feedModel) {
+    public void bindItem(final FeedModel feedModel,
+                         final FeedAdapterV2.OnPostClickListener postClickListener) {
         // Log.d(TAG, "Binding post: " + feedModel.getPostId());
         this.feedModel = feedModel;
-        setThumbnail(feedModel);
         binding.itemFeedBottom.tvVideoViews.setText(String.valueOf(feedModel.getViewCount()));
-    }
-
-    private void setThumbnail(final FeedModel feedModel) {
-        final ViewGroup.LayoutParams layoutParams = binding.thumbnailParent.getLayoutParams();
-        final int requiredWidth = Utils.displayMetrics.widthPixels;
-        layoutParams.width = feedModel.getImageWidth() == 0 ? requiredWidth : feedModel.getImageWidth();
-        layoutParams.height = feedModel.getImageHeight() == 0 ? requiredWidth + 1 : feedModel.getImageHeight();
-        binding.thumbnailParent.requestLayout();
-        final ImageRequest thumbnailRequest = ImageRequestBuilder.newBuilderWithSource(Uri.parse(feedModel.getThumbnailUrl()))
-                                                                 .setProgressiveRenderingEnabled(true)
-                                                                 .build();
-        final DraweeController controller = Fresco.newDraweeControllerBuilder()
-                                                  .setImageRequest(thumbnailRequest)
-                                                  .build();
-        binding.thumbnail.setController(controller);
-        binding.thumbnailParent.setOnClickListener(v -> loadPlayer(feedModel));
-    }
-
-    private void loadPlayer(final FeedModel feedModel) {
-        if (feedModel == null) {
-            return;
-        }
-        // Log.d(TAG, "playing post:" + feedModel.getPostId());
-        if (binding.viewSwitcher.getDisplayedChild() == 0) {
-            binding.viewSwitcher.showNext();
-        }
-        binding.itemFeedBottom.btnMute.setVisibility(View.VISIBLE);
-        final ViewGroup.LayoutParams layoutParams = binding.playerView.getLayoutParams();
-        final int requiredWidth = Utils.displayMetrics.widthPixels;
-        final int resultingHeight = NumberUtils.getResultingHeight(requiredWidth, feedModel.getImageHeight(), feedModel.getImageWidth());
-        layoutParams.width = requiredWidth;
-        layoutParams.height = resultingHeight;
-        binding.playerView.requestLayout();
-        float vol = settingsHelper.getBoolean(Constants.MUTED_VIDEOS) ? 0f : 1f;
-        if (vol == 0f && Utils.sessionVolumeFull) vol = 1f;
-        setMuteIcon(vol);
-        player = (SimpleExoPlayer) binding.playerView.getPlayer();
-        if (player != null) {
-            player.release();
-        }
-        player = new SimpleExoPlayer.Builder(itemView.getContext())
-                .setLooper(Looper.getMainLooper())
-                .build();
-        player.setVolume(vol);
-        player.setPlayWhenReady(true);
-        final DataSource.Factory factory = cacheDataSourceFactory != null ? cacheDataSourceFactory : dataSourceFactory;
-        final ProgressiveMediaSource.Factory sourceFactory = new ProgressiveMediaSource.Factory(factory);
-        final ProgressiveMediaSource mediaSource = sourceFactory.createMediaSource(Uri.parse(feedModel.getDisplayUrl()));
-        player.setRepeatMode(Player.REPEAT_MODE_ALL);
-        player.prepare(mediaSource);
-        binding.playerView.setPlayer(player);
-        final SimpleExoPlayer finalPlayer = player;
+        // showOrHideDetails(false);
+        final float vol = settingsHelper.getBoolean(Constants.MUTED_VIDEOS) ? 0f : 1f;
+        final VideoPlayerViewHelper.VideoPlayerCallback videoPlayerCallback = new VideoPlayerCallbackAdapter() {
+
+            @Override
+            public void onThumbnailClick() {
+                postClickListener.onPostClick(feedModel, binding.itemFeedTop.ivProfilePic, binding.videoPost.thumbnail);
+            }
+
+            @Override
+            public void onPlayerViewLoaded() {
+                binding.itemFeedBottom.btnMute.setVisibility(View.VISIBLE);
+                final ViewGroup.LayoutParams layoutParams = binding.videoPost.playerView.getLayoutParams();
+                final int requiredWidth = Utils.displayMetrics.widthPixels;
+                final int resultingHeight = NumberUtils.getResultingHeight(requiredWidth, feedModel.getImageHeight(), feedModel.getImageWidth());
+                layoutParams.width = requiredWidth;
+                layoutParams.height = resultingHeight;
+                binding.videoPost.playerView.requestLayout();
+                setMuteIcon(vol == 0f && Utils.sessionVolumeFull ? 1f : vol);
+            }
+        };
+        // final DataSource.Factory factory = cacheDataSourceFactory != null ? cacheDataSourceFactory : dataSourceFactory;
+        // final ProgressiveMediaSource.Factory sourceFactory = new ProgressiveMediaSource.Factory(factory);
+        // final Uri uri = Uri.parse(feedModel.getDisplayUrl());
+        // final MediaItem mediaItem = MediaItem.fromUri(uri);
+        // final ProgressiveMediaSource mediaSource = sourceFactory.createMediaSource(mediaItem);
+        final float aspectRatio = (float) feedModel.getImageWidth() / feedModel.getImageHeight();
+        final VideoPlayerViewHelper videoPlayerViewHelper = new VideoPlayerViewHelper(binding.getRoot().getContext(),
+                                                                                      binding.videoPost,
+                                                                                      feedModel.getDisplayUrl(),
+                                                                                      vol,
+                                                                                      aspectRatio,
+                                                                                      feedModel.getThumbnailUrl(),
+                                                                                      null,
+                                                                                      videoPlayerCallback);
         binding.itemFeedBottom.btnMute.setOnClickListener(v -> {
-            final float intVol = finalPlayer.getVolume() == 0f ? 1f : 0f;
-            finalPlayer.setVolume(intVol);
-            setMuteIcon(intVol);
-            Utils.sessionVolumeFull = intVol == 1f;
+            final float newVol = videoPlayerViewHelper.toggleMute();
+            setMuteIcon(newVol);
+            Utils.sessionVolumeFull = newVol == 1f;
         });
-        binding.playerView.setOnClickListener(v -> finalPlayer.setPlayWhenReady(!finalPlayer.getPlayWhenReady()));
+        binding.videoPost.playerView.setOnClickListener(v -> videoPlayerViewHelper.togglePlayback());
     }
 
+
     private void setMuteIcon(final float vol) {
         binding.itemFeedBottom.btnMute.setImageResource(vol == 0f ? R.drawable.ic_volume_up_24 : R.drawable.ic_volume_off_24);
     }
@@ -140,19 +116,29 @@ public class FeedVideoViewHolder extends FeedItemViewHolder {
         return feedModel;
     }
 
-    public void stopPlaying() {
-        // Log.d(TAG, "Stopping post: " + feedModel.getPostId() + ", player: " + player + ", player.isPlaying: " + (player != null && player.isPlaying()));
-        handler.removeCallbacks(loadRunnable);
-        if (player != null) {
-            player.release();
+    // public void stopPlaying() {
+    //     // Log.d(TAG, "Stopping post: " + feedModel.getPostId() + ", player: " + player + ", player.isPlaying: " + (player != null && player.isPlaying()));
+    //     handler.removeCallbacks(loadRunnable);
+    //     if (player != null) {
+    //         player.release();
+    //     }
+    //     if (binding.videoPost.root.getDisplayedChild() == 1) {
+    //         binding.videoPost.root.showPrevious();
+    //     }
+    // }
+    //
+    // public void startPlaying() {
+    //     handler.removeCallbacks(loadRunnable);
+    //     handler.postDelayed(loadRunnable, 800);
+    // }
+
+    private void showOrHideDetails(final boolean show) {
+        if (show) {
+            binding.itemFeedTop.getRoot().setVisibility(View.VISIBLE);
+            binding.itemFeedBottom.getRoot().setVisibility(View.VISIBLE);
+        } else {
+            binding.itemFeedTop.getRoot().setVisibility(View.GONE);
+            binding.itemFeedBottom.getRoot().setVisibility(View.GONE);
         }
-        if (binding.viewSwitcher.getDisplayedChild() == 1) {
-            binding.viewSwitcher.showPrevious();
-        }
-    }
-
-    public void startPlaying() {
-        handler.removeCallbacks(loadRunnable);
-        handler.postDelayed(loadRunnable, 800);
     }
 }

app/src/main/java/awais/instagrabber/animations/ResizeAnimation.java

@@ -0,0 +1,45 @@
+package awais.instagrabber.animations;
+
+import android.view.View;
+import android.view.animation.Animation;
+import android.view.animation.Transformation;
+
+public class ResizeAnimation extends Animation {
+    private static final String TAG = "ResizeAnimation";
+
+    final View view;
+    final int startHeight;
+    final int targetHeight;
+    final int startWidth;
+    final int targetWidth;
+
+    public ResizeAnimation(final View view,
+                           final int startHeight,
+                           final int startWidth,
+                           final int targetHeight,
+                           final int targetWidth) {
+        this.view = view;
+        this.startHeight = startHeight;
+        this.targetHeight = targetHeight;
+        this.startWidth = startWidth;
+        this.targetWidth = targetWidth;
+    }
+
+    @Override
+    protected void applyTransformation(final float interpolatedTime, final Transformation t) {
+        // Log.d(TAG, "applyTransformation: interpolatedTime: " + interpolatedTime);
+        view.getLayoutParams().height = (int) (startHeight + (targetHeight - startHeight) * interpolatedTime);
+        view.getLayoutParams().width = (int) (startWidth + (targetWidth - startWidth) * interpolatedTime);
+        view.requestLayout();
+    }
+
+    @Override
+    public void initialize(final int width, final int height, final int parentWidth, final int parentHeight) {
+        super.initialize(width, height, parentWidth, parentHeight);
+    }
+
+    @Override
+    public boolean willChangeBounds() {
+        return true;
+    }
+}

app/src/main/java/awais/instagrabber/asyncs/DownloadAsync.java

@@ -12,7 +12,6 @@ import android.media.MediaScannerConnection;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Build;
-import android.os.Environment;
 import android.util.Log;
 import android.util.Pair;
 
@@ -177,11 +176,7 @@ public final class DownloadAsync extends AsyncTask<Void, Float, File> {
     protected void onPostExecute(final File result) {
         if (result != null) {
             final Context context = this.context.get();
-
-            context.sendBroadcast(Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT ?
-                                  new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.fromFile(Environment.getExternalStorageDirectory())) :
-                                  new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.fromFile(result.getAbsoluteFile()))
-            );
+            context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.fromFile(result.getAbsoluteFile())));
             MediaScannerConnection.scanFile(context, new String[]{result.getAbsolutePath()}, null, null);
 
             if (notificationManager != null) {

app/src/main/java/awais/instagrabber/asyncs/DownloadV2AsyncTask.java

@@ -0,0 +1,310 @@
+// package awais.instagrabber.asyncs;
+//
+// import android.content.ContentResolver;
+// import android.content.Context;
+// import android.content.Intent;
+// import android.graphics.Bitmap;
+// import android.graphics.BitmapFactory;
+// import android.media.MediaMetadataRetriever;
+// import android.media.MediaScannerConnection;
+// import android.net.Uri;
+// import android.os.AsyncTask;
+// import android.os.Build;
+// import android.util.Log;
+//
+// import androidx.annotation.NonNull;
+// import androidx.annotation.Nullable;
+// import androidx.core.content.FileProvider;
+//
+// import java.io.BufferedInputStream;
+// import java.io.File;
+// import java.io.FileOutputStream;
+// import java.io.InputStream;
+// import java.net.URL;
+// import java.net.URLConnection;
+// import java.util.HashMap;
+// import java.util.Map;
+//
+// import awais.instagrabber.BuildConfig;
+// import awais.instagrabber.R;
+// import awais.instagrabber.utils.Utils;
+//
+// import static awais.instagrabber.utils.Utils.logCollector;
+// import static awaisomereport.LogCollector.LogFile;
+//
+// public final class DownloadV2AsyncTask extends AsyncTask<Void, Float, File> {
+//     private static final String TAG = "DownloadAsync";
+//
+//     // private final int currentNotificationId;
+//     // private final int initialNotificationId;
+//     // private final File outFile;
+//     // private final String url;
+//     // private final FetchListener<File> fetchListener;
+//     // private final NotificationCompat.Builder downloadNotif;
+//     private String shortCode, username;
+//     // private final NotificationManagerCompat notificationManager;
+//
+//     public DownloadV2AsyncTask(@NonNull final Context context) {
+//         // this.shortCode = this.username = resources.getString(R.string.downloader_started);
+//
+//         // @StringRes final int titleRes = R.string.downloader_downloading_post;
+//         // downloadNotif = new NotificationCompat.Builder(context, Constants.DOWNLOAD_CHANNEL_ID)
+//         //         .setCategory(NotificationCompat.CATEGORY_STATUS)
+//         //         .setSmallIcon(R.mipmap.ic_launcher)
+//         //         .setContentText(shortCode == null ? username : shortCode)
+//         //         .setOngoing(true)
+//         //         .setProgress(100, 0, false)
+//         //         .setAutoCancel(false)
+//         //         .setOnlyAlertOnce(true)
+//         //         .setContentTitle(resources.getString(titleRes));
+//         //
+//         // notificationManager = NotificationManagerCompat.from(context.getApplicationContext());
+//         // notificationManager.notify(currentNotificationId, downloadNotif.build());
+//     }
+//
+//     // public DownloadV2AsyncTask setItems(final String shortCode, final String username) {
+//     //     this.shortCode = shortCode;
+//     //     this.username = username;
+//     //     if (downloadNotif != null) downloadNotif.setContentText(this.shortCode == null ? this.username : this.shortCode);
+//     // return this;
+//     // }
+//
+//     @Nullable
+//     @Override
+//     protected File doInBackground(final Void... voids) {
+//         try {
+//             final URLConnection urlConnection = new URL(url).openConnection();
+//             final long fileSize = Build.VERSION.SDK_INT >= 24 ? urlConnection.getContentLengthLong() :
+//                                   urlConnection.getContentLength();
+//             float totalRead = 0;
+//
+//             try (final BufferedInputStream bis = new BufferedInputStream(urlConnection.getInputStream());
+//                  final FileOutputStream fos = new FileOutputStream(outFile)) {
+//                 final byte[] buffer = new byte[0x2000];
+//
+//                 int count;
+//                 boolean deletedIPTC = false;
+//                 while ((count = bis.read(buffer, 0, 0x2000)) != -1) {
+//                     totalRead = totalRead + count;
+//
+//                     if (!deletedIPTC) {
+//                         int iptcStart = -1;
+//                         int fbmdStart = -1;
+//                         int fbmdBytesLen = -1;
+//
+//                         for (int i = 0; i < buffer.length; ++i) {
+//                             if (buffer[i] == (byte) 0xFF && buffer[i + 1] == (byte) 0xED)
+//                                 iptcStart = i;
+//                             else if (buffer[i] == (byte) 'F' && buffer[i + 1] == (byte) 'B'
+//                                     && buffer[i + 2] == (byte) 'M' && buffer[i + 3] == (byte) 'D') {
+//                                 fbmdStart = i;
+//                                 fbmdBytesLen = buffer[i - 10] << 24 | (buffer[i - 9] & 0xFF) << 16 |
+//                                         (buffer[i - 8] & 0xFF) << 8 | (buffer[i - 7] & 0xFF) |
+//                                         (buffer[i - 6] & 0xFF);
+//                                 break;
+//                             }
+//                         }
+//
+//                         if (iptcStart != -1 && fbmdStart != -1 && fbmdBytesLen != -1) {
+//                             final int fbmdDataLen = (iptcStart + (fbmdStart - iptcStart) + (fbmdBytesLen - iptcStart)) - 4;
+//
+//                             fos.write(buffer, 0, iptcStart);
+//                             fos.write(buffer, fbmdDataLen + iptcStart, count - fbmdDataLen - iptcStart);
+//
+//                             publishProgress(totalRead * 100f / fileSize);
+//
+//                             deletedIPTC = true;
+//                             continue;
+//                         }
+//                     }
+//
+//                     fos.write(buffer, 0, count);
+//                     publishProgress(totalRead * 100f / fileSize);
+//                 }
+//                 fos.flush();
+//             }
+//
+//             return outFile;
+//         } catch (final Exception e) {
+//             // if (logCollector != null)
+//             //     logCollector.appendException(e, LogFile.ASYNC_DOWNLOADER, "doInBackground",
+//             //                                  new Pair<>("context", context.get()),
+//             //                                  new Pair<>("resources", resources),
+//             //                                  new Pair<>("lastNotifId", initialNotificationId),
+//             //                                  new Pair<>("downloadNotif", downloadNotif),
+//             //                                  new Pair<>("currentNotifId", currentNotificationId),
+//             //                                  new Pair<>("notificationManager", notificationManager));
+//             if (BuildConfig.DEBUG) Log.e(TAG, "", e);
+//         }
+//         return null;
+//     }
+//
+//     @Override
+//     protected void onPreExecute() {
+//         // if (fetchListener != null) fetchListener.doBefore();
+//     }
+//
+//     @Override
+//     protected void onProgressUpdate(@NonNull final Float... values) {
+//         // if (downloadNotif != null) {
+//         //     downloadNotif.setProgress(100, values[0].intValue(), false);
+//         //     notificationManager.notify(currentNotificationId, downloadNotif.build());
+//         // }
+//     }
+//
+//     @Override
+//     protected void onPostExecute(final File result) {
+//         if (result != null) {
+//             // final Context context = this.context.get();
+//             // context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.fromFile(result.getAbsoluteFile())));
+//             // MediaScannerConnection.scanFile(context, new String[]{result.getAbsolutePath()}, null, null);
+//             //
+//             // // if (notificationManager != null) {
+//             // final Uri uri = FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID + ".provider", result);
+//             //
+//             // final ContentResolver contentResolver = context.getContentResolver();
+//             // Bitmap bitmap = null;
+//             // if (Utils.isImage(uri, contentResolver)) {
+//             //     try (final InputStream inputStream = contentResolver.openInputStream(uri)) {
+//             //         bitmap = BitmapFactory.decodeStream(inputStream);
+//             //     } catch (final Exception e) {
+//             //         if (logCollector != null)
+//             //             logCollector.appendException(e, LogFile.ASYNC_DOWNLOADER, "onPostExecute::bitmap_1");
+//             //         if (BuildConfig.DEBUG) Log.e(TAG, "", e);
+//             //     }
+//             // }
+//             //
+//             // if (bitmap == null) {
+//             //     final MediaMetadataRetriever retriever = new MediaMetadataRetriever();
+//             //     try {
+//             //         try {
+//             //             retriever.setDataSource(context, uri);
+//             //         } catch (final Exception e) {
+//             //             retriever.setDataSource(result.getAbsolutePath());
+//             //         }
+//             //         bitmap = retriever.getFrameAtTime();
+//             //         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q)
+//             //             try {
+//             //                 retriever.close();
+//             //             } catch (final Exception e) {
+//             //                 if (logCollector != null)
+//             //                     logCollector.appendException(e, LogFile.ASYNC_DOWNLOADER, "onPostExecute::bitmap_2");
+//             //             }
+//             //     } catch (final Exception e) {
+//             //         if (BuildConfig.DEBUG) Log.e("AWAISKING_APP", "", e);
+//             //         if (logCollector != null)
+//             //             logCollector.appendException(e, LogFile.ASYNC_DOWNLOADER, "onPostExecute::bitmap_3");
+//             //     }
+//             // }
+//
+//             // final String downloadComplete = resources.getString(R.string.downloader_complete);
+//
+//             // downloadNotif.setContentText(null).setContentTitle(downloadComplete).setProgress(0, 0, false)
+//             //              .setWhen(System.currentTimeMillis()).setOngoing(false).setOnlyAlertOnce(false).setAutoCancel(true)
+//             //              .setGroup(NOTIF_GROUP_NAME).setGroupSummary(true).setContentIntent(
+//             //         PendingIntent.getActivity(context, 2020, new Intent(Intent.ACTION_VIEW, uri)
+//             //                 .addFlags(
+//             //                         Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_FROM_BACKGROUND | Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
+//             //                 .putExtra(Intent.EXTRA_STREAM, uri), PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_ONE_SHOT));
+//             //
+//             // if (bitmap != null)
+//             //     downloadNotif.setStyle(new NotificationCompat.BigPictureStyle().setBigContentTitle(downloadComplete).bigPicture(bitmap))
+//             //                  .setLargeIcon(bitmap).setBadgeIconType(NotificationCompat.BADGE_ICON_SMALL);
+//             //
+//             // notificationManager.cancel(currentNotificationId);
+//             // notificationManager.notify(currentNotificationId + 1, downloadNotif.build());
+//             // }
+//         }
+//
+//         // if (fetchListener != null) fetchListener.onResult(result);
+//     }
+//
+//     public static class DownloadOptions {
+//         private final Map<String, File> urlToFileMap;
+//         private final Map<String, DownloadCallback> callbackMap;
+//         private final boolean showNotification;
+//
+//         public static class Builder {
+//             private Map<String, File> urlToFileMap;
+//             private Map<String, DownloadCallback> callbackMap;
+//             private boolean showNotification;
+//
+//             public Builder setUrlToFileMap(@NonNull final Map<String, File> urlToFileMap) {
+//                 this.urlToFileMap = urlToFileMap;
+//                 return this;
+//             }
+//
+//             public Builder setCallbackMap(@NonNull final Map<String, DownloadCallback> callbackMap) {
+//                 this.callbackMap = callbackMap;
+//                 return this;
+//             }
+//
+//             public Builder addUrl(@NonNull final String url, @NonNull final File file) {
+//                 if (urlToFileMap == null) {
+//                     urlToFileMap = new HashMap<>();
+//                 }
+//                 urlToFileMap.put(url, file);
+//                 return this;
+//             }
+//
+//             public Builder addUrl(@NonNull final String url,
+//                                   @NonNull final File file,
+//                                   @NonNull final DownloadCallback callback) {
+//                 if (urlToFileMap == null) {
+//                     urlToFileMap = new HashMap<>();
+//                 }
+//                 if (callbackMap == null) {
+//                     callbackMap = new HashMap<>();
+//                 }
+//                 urlToFileMap.put(url, file);
+//                 callbackMap.put(url, callback);
+//                 return this;
+//             }
+//
+//             public Builder setShowNotification(final boolean showNotification) {
+//                 this.showNotification = showNotification;
+//                 return this;
+//             }
+//
+//             public DownloadOptions build() {
+//                 return new DownloadOptions(
+//                         urlToFileMap,
+//                         callbackMap,
+//                         showNotification
+//                 );
+//             }
+//         }
+//
+//         public Builder builder() {
+//             return new Builder();
+//         }
+//
+//         private DownloadOptions(final Map<String, File> urlToFileMap,
+//                                 final Map<String, DownloadCallback> callbackMap,
+//                                 final boolean showNotification) {
+//             this.urlToFileMap = urlToFileMap;
+//             this.callbackMap = callbackMap;
+//             this.showNotification = showNotification;
+//         }
+//
+//         public Map<String, File> getUrlToFileMap() {
+//             return urlToFileMap;
+//         }
+//
+//         public Map<String, DownloadCallback> getCallbackMap() {
+//             return callbackMap;
+//         }
+//
+//         public boolean isShowNotification() {
+//             return showNotification;
+//         }
+//     }
+//
+//     public interface DownloadCallback {
+//         void onDownloadStart();
+//
+//         void onDownloadProgress();
+//
+//         void onDownloadComplete();
+//     }
+// }

app/src/main/java/awais/instagrabber/asyncs/FeedFetcher.java

@@ -3,20 +3,22 @@ package awais.instagrabber.asyncs;
 import android.os.AsyncTask;
 import android.util.Log;
 
-import androidx.annotation.Nullable;
+import androidx.annotation.NonNull;
 
 import org.json.JSONArray;
+import org.json.JSONException;
 import org.json.JSONObject;
 
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.util.ArrayList;
+import java.util.List;
 
 import awais.instagrabber.BuildConfig;
 import awais.instagrabber.interfaces.FetchListener;
 import awais.instagrabber.models.FeedModel;
+import awais.instagrabber.models.PostChild;
 import awais.instagrabber.models.ProfileModel;
-import awais.instagrabber.models.ViewerPostModel;
 import awais.instagrabber.models.enums.MediaItemType;
 import awais.instagrabber.utils.Constants;
 import awais.instagrabber.utils.NetworkUtils;
@@ -26,27 +28,27 @@ import awaisomereport.LogCollector;
 
 import static awais.instagrabber.utils.Utils.logCollector;
 
-public final class FeedFetcher extends AsyncTask<Void, Void, FeedModel[]> {
+public final class FeedFetcher extends AsyncTask<Void, Void, List<FeedModel>> {
     private static final String TAG = "FeedFetcher";
 
-    private static final int maxItemsToLoad = 25; // max is 50, but that's too many posts, setting more than 30 is gay
+    private static final int maxItemsToLoad = 25; // max is 50, but that's too many posts
     private final String endCursor;
-    private final FetchListener<FeedModel[]> fetchListener;
+    private final FetchListener<List<FeedModel>> fetchListener;
 
-    public FeedFetcher(final FetchListener<FeedModel[]> fetchListener) {
+    public FeedFetcher(final FetchListener<List<FeedModel>> fetchListener) {
         this.endCursor = "";
         this.fetchListener = fetchListener;
     }
 
-    public FeedFetcher(final String endCursor, final FetchListener<FeedModel[]> fetchListener) {
+    public FeedFetcher(final String endCursor, final FetchListener<List<FeedModel>> fetchListener) {
         this.endCursor = endCursor == null ? "" : endCursor;
         this.fetchListener = fetchListener;
     }
 
-    @Nullable
     @Override
-    protected final FeedModel[] doInBackground(final Void... voids) {
-        FeedModel[] result = null;
+    protected final List<FeedModel> doInBackground(final Void... voids) {
+        final List<FeedModel> result = new ArrayList<>();
+        HttpURLConnection urlConnection = null;
         try {
             //
             //  stories: 04334405dbdef91f2c4e207b84c204d7 && https://i.instagram.com/api/v1/feed/reels_tray/
@@ -62,13 +64,14 @@ public final class FeedFetcher extends AsyncTask<Void, Void, FeedModel[]> {
 
             final String url = "https://www.instagram.com/graphql/query/?query_hash=6b838488258d7a4820e48d209ef79eb1&variables=" +
                     "{\"fetch_media_item_count\":" + maxItemsToLoad + ",\"has_threaded_comments\":true,\"fetch_media_item_cursor\":\"" + endCursor + "\"}";
-            final HttpURLConnection urlConnection = (HttpURLConnection) new URL(url).openConnection();
+            urlConnection = (HttpURLConnection) new URL(url).openConnection();
 
             if (urlConnection.getResponseCode() == HttpURLConnection.HTTP_OK) {
                 final String json = NetworkUtils.readFromConnection(urlConnection);
                 // Log.d(TAG, json);
                 final JSONObject timelineFeed = new JSONObject(json).getJSONObject("data")
-                                                                    .getJSONObject(Constants.EXTRAS_USER).getJSONObject("edge_web_feed_timeline");
+                                                                    .getJSONObject(Constants.EXTRAS_USER)
+                                                                    .getJSONObject("edge_web_feed_timeline");
 
                 final String endCursor;
                 final boolean hasNextPage;
@@ -84,9 +87,7 @@ public final class FeedFetcher extends AsyncTask<Void, Void, FeedModel[]> {
 
                 final JSONArray feedItems = timelineFeed.getJSONArray("edges");
 
-                final int feedLen = feedItems.length();
-                final ArrayList<FeedModel> feedModelsList = new ArrayList<>(feedLen);
-                for (int i = 0; i < feedLen; ++i) {
+                for (int i = 0; i < feedItems.length(); ++i) {
                     final JSONObject feedItem = feedItems.getJSONObject(i).getJSONObject("node");
                     final String mediaType = feedItem.optString("__typename");
                     if (mediaType.isEmpty() || "GraphSuggestedUserFeedUnit".equals(mediaType))
@@ -99,9 +100,11 @@ public final class FeedFetcher extends AsyncTask<Void, Void, FeedModel[]> {
                     if (TextUtils.isEmpty(displayUrl)) continue;
                     final String resourceUrl;
 
-                    if (isVideo) resourceUrl = feedItem.getString("video_url");
-                    else
+                    if (isVideo) {
+                        resourceUrl = feedItem.getString("video_url");
+                    } else {
                         resourceUrl = feedItem.has("display_resources") ? ResponseBodyUtils.getHighQualityImage(feedItem) : displayUrl;
+                    }
 
                     ProfileModel profileModel = null;
                     if (feedItem.has("owner")) {
@@ -125,20 +128,17 @@ public final class FeedFetcher extends AsyncTask<Void, Void, FeedModel[]> {
                                 false,
                                 false);
                     }
-
                     JSONObject tempJsonObject = feedItem.optJSONObject("edge_media_preview_comment");
                     final long commentsCount = tempJsonObject != null ? tempJsonObject.optLong("count") : 0;
-
                     tempJsonObject = feedItem.optJSONObject("edge_media_to_caption");
                     final JSONArray captions = tempJsonObject != null ? tempJsonObject.getJSONArray("edges") : null;
-
                     String captionText = null;
                     if (captions != null && captions.length() > 0) {
                         if ((tempJsonObject = captions.optJSONObject(0)) != null &&
-                                (tempJsonObject = tempJsonObject.optJSONObject("node")) != null)
+                                (tempJsonObject = tempJsonObject.optJSONObject("node")) != null) {
                             captionText = tempJsonObject.getString("text");
+                        }
                     }
-
                     final JSONObject location = feedItem.optJSONObject("location");
                     // Log.d(TAG, "location: " + (location == null ? null : location.toString()));
                     String locationId = null;
@@ -152,92 +152,119 @@ public final class FeedFetcher extends AsyncTask<Void, Void, FeedModel[]> {
                         }
                         // Log.d(TAG, "locationId: " + locationId);
                     }
-                    final FeedModel feedModel = new FeedModel(
-                            profileModel,
-                            isVideo ? MediaItemType.MEDIA_TYPE_VIDEO : MediaItemType.MEDIA_TYPE_IMAGE,
-                            videoViews,
-                            feedItem.getString(Constants.EXTRAS_ID),
-                            resourceUrl,
-                            displayUrl,
-                            feedItem.getString(Constants.EXTRAS_SHORTCODE),
-                            captionText,
-                            commentsCount,
-                            feedItem.optLong("taken_at_timestamp", -1),
-                            feedItem.getBoolean("viewer_has_liked"),
-                            feedItem.getBoolean("viewer_has_saved"),
-                            feedItem.getJSONObject("edge_media_preview_like").getLong("count"),
-                            locationName,
-                            locationId);
+                    int height = 0;
+                    int width = 0;
+                    final JSONObject dimensions = feedItem.optJSONObject("dimensions");
+                    if (dimensions != null) {
+                        height = dimensions.optInt("height");
+                        width = dimensions.optInt("width");
+                    }
+                    String thumbnailUrl = null;
+                    try {
+                        thumbnailUrl = feedItem.getJSONArray("display_resources")
+                                               .getJSONObject(0)
+                                               .getString("src");
+                    } catch (JSONException ignored) {}
+                    final FeedModel.Builder feedModelBuilder = new FeedModel.Builder()
+                            .setProfileModel(profileModel)
+                            .setItemType(isVideo ? MediaItemType.MEDIA_TYPE_VIDEO
+                                                 : MediaItemType.MEDIA_TYPE_IMAGE)
+                            .setViewCount(videoViews)
+                            .setPostId(feedItem.getString(Constants.EXTRAS_ID))
+                            .setDisplayUrl(resourceUrl)
+                            .setThumbnailUrl(thumbnailUrl != null ? thumbnailUrl : displayUrl)
+                            .setShortCode(feedItem.getString(Constants.EXTRAS_SHORTCODE))
+                            .setPostCaption(captionText)
+                            .setCommentsCount(commentsCount)
+                            .setTimestamp(feedItem.optLong("taken_at_timestamp", -1))
+                            .setLiked(feedItem.getBoolean("viewer_has_liked"))
+                            .setBookmarked(feedItem.getBoolean("viewer_has_saved"))
+                            .setLikesCount(feedItem.getJSONObject("edge_media_preview_like")
+                                                   .getLong("count"))
+                            .setLocationName(locationName)
+                            .setLocationId(locationId)
+                            .setImageHeight(height)
+                            .setImageWidth(width);
 
                     final boolean isSlider = "GraphSidecar".equals(mediaType) && feedItem.has("edge_sidecar_to_children");
 
                     if (isSlider) {
+                        feedModelBuilder.setItemType(MediaItemType.MEDIA_TYPE_SLIDER);
                         final JSONObject sidecar = feedItem.optJSONObject("edge_sidecar_to_children");
                         if (sidecar != null) {
                             final JSONArray children = sidecar.optJSONArray("edges");
-
                             if (children != null) {
-                                final ViewerPostModel[] sliderItems = new ViewerPostModel[children.length()];
-
-                                for (int j = 0; j < sliderItems.length; ++j) {
-                                    final JSONObject node = children.optJSONObject(j).getJSONObject("node");
-                                    final boolean isChildVideo = node.optBoolean("is_video");
-
-                                    sliderItems[j] = new ViewerPostModel(
-                                            isChildVideo ? MediaItemType.MEDIA_TYPE_VIDEO : MediaItemType.MEDIA_TYPE_IMAGE,
-                                            node.getString(Constants.EXTRAS_ID),
-                                            isChildVideo ? node.getString("video_url") : ResponseBodyUtils.getHighQualityImage(node),
-                                            null,
-                                            null,
-                                            null,
-                                            node.optLong("video_view_count", -1),
-                                            -1,
-                                            false,
-                                            false,
-                                            feedItem.getJSONObject("edge_media_preview_like").getLong("count"),
-                                            locationName,
-                                            locationId);
-
-                                    sliderItems[j].setSliderDisplayUrl(node.getString("display_url"));
-                                }
-
-                                feedModel.setSliderItems(sliderItems);
+                                final List<PostChild> sliderItems = getSliderItems(children);
+                                feedModelBuilder.setSliderItems(sliderItems);
                             }
                         }
                     }
-
-                    feedModelsList.add(feedModel);
+                    final FeedModel feedModel = feedModelBuilder.build();
+                    result.add(feedModel);
                 }
-
-                feedModelsList.trimToSize();
-
-                final FeedModel[] feedModels = feedModelsList.toArray(new FeedModel[0]);
-                final int length = feedModels.length;
-                if (length >= 1 && feedModels[length - 1] != null) {
-                    feedModels[length - 1].setPageCursor(hasNextPage, endCursor);
+                if (!result.isEmpty() && result.get(result.size() - 1) != null) {
+                    result.get(result.size() - 1).setPageCursor(hasNextPage, endCursor);
                 }
-                result = feedModels;
             }
-
-            urlConnection.disconnect();
         } catch (final Exception e) {
             if (logCollector != null)
                 logCollector.appendException(e, LogCollector.LogFile.ASYNC_FEED_FETCHER, "doInBackground");
             if (BuildConfig.DEBUG) {
                 Log.e(TAG, "", e);
             }
+        } finally {
+            if (urlConnection != null) {
+                urlConnection.disconnect();
+            }
         }
 
         return result;
     }
 
+    @NonNull
+    private List<PostChild> getSliderItems(final JSONArray children) throws JSONException {
+        final List<PostChild> sliderItems = new ArrayList<>();
+        for (int j = 0; j < children.length(); ++j) {
+            final JSONObject childNode = children.optJSONObject(j).getJSONObject("node");
+            final boolean isChildVideo = childNode.optBoolean("is_video");
+            int height = 0;
+            int width = 0;
+            final JSONObject dimensions = childNode.optJSONObject("dimensions");
+            if (dimensions != null) {
+                height = dimensions.optInt("height");
+                width = dimensions.optInt("width");
+            }
+            String thumbnailUrl = null;
+            try {
+                thumbnailUrl = childNode.getJSONArray("display_resources")
+                                        .getJSONObject(0)
+                                        .getString("src");
+            } catch (JSONException ignored) {}
+            final PostChild sliderItem = new PostChild.Builder()
+                    .setItemType(isChildVideo ? MediaItemType.MEDIA_TYPE_VIDEO
+                                              : MediaItemType.MEDIA_TYPE_IMAGE)
+                    .setPostId(childNode.getString(Constants.EXTRAS_ID))
+                    .setDisplayUrl(isChildVideo ? childNode.getString("video_url")
+                                                : childNode.getString("display_url"))
+                    .setThumbnailUrl(thumbnailUrl != null ? thumbnailUrl
+                                                          : childNode.getString("display_url"))
+                    .setVideoViews(childNode.optLong("video_view_count", -1))
+                    .setHeight(height)
+                    .setWidth(width)
+                    .build();
+            // Log.d(TAG, "getSliderItems: sliderItem: " + sliderItem);
+            sliderItems.add(sliderItem);
+        }
+        return sliderItems;
+    }
+
     @Override
     protected void onPreExecute() {
         if (fetchListener != null) fetchListener.doBefore();
     }
 
     @Override
-    protected void onPostExecute(final FeedModel[] postModels) {
+    protected void onPostExecute(final List<FeedModel> postModels) {
         if (fetchListener != null) fetchListener.onResult(postModels);
     }
 }

app/src/main/java/awais/instagrabber/asyncs/FeedPostFetchService.java

@@ -0,0 +1,54 @@
+package awais.instagrabber.asyncs;
+
+import java.util.List;
+
+import awais.instagrabber.customviews.helpers.PostFetcher;
+import awais.instagrabber.interfaces.FetchListener;
+import awais.instagrabber.models.FeedModel;
+import awais.instagrabber.repositories.responses.FeedFetchResponse;
+import awais.instagrabber.webservices.FeedService;
+import awais.instagrabber.webservices.ServiceCallback;
+
+public class FeedPostFetchService implements PostFetcher.PostFetchService {
+    private static final String TAG = "FeedPostFetchService";
+    private final FeedService feedService;
+    private String nextCursor;
+    private boolean hasNextPage;
+
+    public FeedPostFetchService() {
+        feedService = FeedService.getInstance();
+    }
+
+    @Override
+    public void fetch(final String cursor, final FetchListener<List<FeedModel>> fetchListener) {
+        feedService.fetch(25, cursor, new ServiceCallback<FeedFetchResponse>() {
+            @Override
+            public void onSuccess(final FeedFetchResponse result) {
+                if (result == null) return;
+                nextCursor = result.getNextCursor();
+                hasNextPage = result.hasNextPage();
+                if (fetchListener != null) {
+                    fetchListener.onResult(result.getFeedModels());
+                }
+            }
+
+            @Override
+            public void onFailure(final Throwable t) {
+                // Log.e(TAG, "onFailure: ", t);
+                if (fetchListener != null) {
+                    fetchListener.onFailure(t);
+                }
+            }
+        });
+    }
+
+    @Override
+    public String getNextCursor() {
+        return nextCursor;
+    }
+
+    @Override
+    public boolean hasNextPage() {
+        return hasNextPage;
+    }
+}

app/src/main/java/awais/instagrabber/asyncs/PostFetcher.java

@@ -10,14 +10,16 @@ import org.json.JSONObject;
 import java.io.File;
 import java.net.HttpURLConnection;
 import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
 
 import awais.instagrabber.interfaces.FetchListener;
+import awais.instagrabber.models.FeedModel;
+import awais.instagrabber.models.PostChild;
 import awais.instagrabber.models.ProfileModel;
-import awais.instagrabber.models.ViewerPostModel;
 import awais.instagrabber.models.enums.MediaItemType;
 import awais.instagrabber.utils.Constants;
 import awais.instagrabber.utils.CookieUtils;
-import awais.instagrabber.utils.DownloadUtils;
 import awais.instagrabber.utils.NetworkUtils;
 import awais.instagrabber.utils.ResponseBodyUtils;
 import awais.instagrabber.utils.TextUtils;
@@ -29,23 +31,23 @@ import static awais.instagrabber.utils.Constants.FOLDER_PATH;
 import static awais.instagrabber.utils.Constants.FOLDER_SAVE_TO;
 import static awais.instagrabber.utils.Utils.logCollector;
 
-public final class PostFetcher extends AsyncTask<Void, Void, ViewerPostModel[]> {
+public final class PostFetcher extends AsyncTask<Void, Void, FeedModel> {
     private static final String TAG = "PostFetcher";
 
     private final String shortCode;
-    private final FetchListener<ViewerPostModel[]> fetchListener;
+    private final FetchListener<FeedModel> fetchListener;
 
-    public PostFetcher(final String shortCode, final FetchListener<ViewerPostModel[]> fetchListener) {
+    public PostFetcher(final String shortCode, final FetchListener<FeedModel> fetchListener) {
         this.shortCode = shortCode;
         this.fetchListener = fetchListener;
     }
 
     @Override
-    protected ViewerPostModel[] doInBackground(final Void... voids) {
-        ViewerPostModel[] result = null;
+    protected FeedModel doInBackground(final Void... voids) {
         CookieUtils.setupCookies(Utils.settingsHelper.getString(Constants.COOKIE)); // <- direct download
+        HttpURLConnection conn = null;
         try {
-            final HttpURLConnection conn = (HttpURLConnection) new URL("https://www.instagram.com/p/" + shortCode + "/?__a=1").openConnection();
+            conn = (HttpURLConnection) new URL("https://www.instagram.com/p/" + shortCode + "/?__a=1").openConnection();
             conn.setUseCaches(false);
             conn.connect();
 
@@ -53,7 +55,6 @@ public final class PostFetcher extends AsyncTask<Void, Void, ViewerPostModel[]>
 
                 final JSONObject media = new JSONObject(NetworkUtils.readFromConnection(conn)).getJSONObject("graphql")
                                                                                               .getJSONObject("shortcode_media");
-
                 ProfileModel profileModel = null;
                 if (media.has("owner")) {
                     final JSONObject owner = media.getJSONObject("owner");
@@ -111,75 +112,63 @@ public final class PostFetcher extends AsyncTask<Void, Void, ViewerPostModel[]>
 
                 JSONObject commentObject = media.optJSONObject("edge_media_to_parent_comment");
                 final long commentsCount = commentObject != null ? commentObject.optLong("count") : 0;
-
-                String endCursor = null;
-                if (commentObject != null && (commentObject = commentObject.optJSONObject("page_info")) != null) {
-                    endCursor = commentObject.optString("end_cursor");
-                }
-
-                if (mediaItemType != MediaItemType.MEDIA_TYPE_SLIDER) {
-                    final ViewerPostModel postModel = new ViewerPostModel(
-                            mediaItemType,
-                            media.getString(Constants.EXTRAS_ID),
-                            isVideo ? media.getString("video_url") : ResponseBodyUtils.getHighQualityImage(media),
-                            shortCode,
-                            TextUtils.isEmpty(postCaption) ? null : postCaption,
-                            profileModel,
-                            isVideo && media.has("video_view_count") ? media.getLong("video_view_count") : -1,
-                            timestamp, media.getBoolean("viewer_has_liked"), media.getBoolean("viewer_has_saved"),
-                            media.getJSONObject("edge_media_preview_like").getLong("count"),
-                            media.isNull("location") ? null : media.getJSONObject("location").optString("name"),
-                            media.isNull("location") ? null :
-                            (media.getJSONObject("location").optString("id") + "/" +
-                                    media.getJSONObject("location").optString("slug")));
-
-                    postModel.setCommentsCount(commentsCount);
-
-                    DownloadUtils.checkExistence(downloadDir, customDir, false, postModel);
-
-                    result = new ViewerPostModel[]{postModel};
-
-                } else {
+                final FeedModel.Builder feedModelBuilder = new FeedModel.Builder()
+                        .setItemType(mediaItemType)
+                        .setPostId(media.getString(Constants.EXTRAS_ID))
+                        .setDisplayUrl(isVideo ? media.getString("video_url")
+                                               : ResponseBodyUtils.getHighQualityImage(media))
+                        .setShortCode(shortCode)
+                        .setPostCaption(TextUtils.isEmpty(postCaption) ? null : postCaption)
+                        .setProfileModel(profileModel)
+                        .setViewCount(isVideo && media.has("video_view_count")
+                                      ? media.getLong("video_view_count")
+                                      : -1)
+                        .setTimestamp(timestamp)
+                        .setLiked(media.getBoolean("viewer_has_liked"))
+                        .setBookmarked(media.getBoolean("viewer_has_saved"))
+                        .setLikesCount(media.getJSONObject("edge_media_preview_like")
+                                            .getLong("count"))
+                        .setLocationName(media.isNull("location")
+                                         ? null
+                                         : media.getJSONObject("location").optString("name"))
+                        .setLocationId(media.isNull("location")
+                                       ? null
+                                       : media.getJSONObject("location").optString("id"))
+                        .setCommentsCount(commentsCount);
+                // DownloadUtils.checkExistence(downloadDir, customDir, false, feedModelBuilder);
+                if (isSlider) {
                     final JSONArray children = media.getJSONObject("edge_sidecar_to_children").getJSONArray("edges");
-                    final ViewerPostModel[] postModels = new ViewerPostModel[children.length()];
-
-                    for (int i = 0; i < postModels.length; ++i) {
-                        final JSONObject node = children.getJSONObject(i).getJSONObject("node");
-                        final boolean isChildVideo = node.getBoolean("is_video");
-
-                        postModels[i] = new ViewerPostModel(
-                                isChildVideo ? MediaItemType.MEDIA_TYPE_VIDEO : MediaItemType.MEDIA_TYPE_IMAGE,
-                                media.getString(Constants.EXTRAS_ID),
-                                isChildVideo ? node.getString("video_url") : ResponseBodyUtils.getHighQualityImage(node),
-                                node.getString(Constants.EXTRAS_SHORTCODE),
-                                postCaption,
-                                profileModel,
-                                isChildVideo && node.has("video_view_count") ? node.getLong("video_view_count") : -1,
-                                timestamp, media.getBoolean("viewer_has_liked"), media.getBoolean("viewer_has_saved"),
-                                media.getJSONObject("edge_media_preview_like").getLong("count"),
-                                media.isNull("location") ? null : media.getJSONObject("location").optString("name"),
-                                media.isNull("location") ? null :
-                                (media.getJSONObject("location").optString("id") + "/" +
-                                        media.getJSONObject("location").optString("slug")));
-                        postModels[i].setSliderDisplayUrl(node.getString("display_url"));
-
-                        DownloadUtils.checkExistence(downloadDir, customDir, true, postModels[i]);
+                    final List<PostChild> postModels = new ArrayList<>();
+                    for (int i = 0; i < children.length(); ++i) {
+                        final JSONObject childNode = children.getJSONObject(i).getJSONObject("node");
+                        final boolean isChildVideo = childNode.getBoolean("is_video");
+                        postModels.add(new PostChild.Builder()
+                                               .setItemType(isChildVideo ? MediaItemType.MEDIA_TYPE_VIDEO
+                                                                         : MediaItemType.MEDIA_TYPE_IMAGE)
+                                               .setDisplayUrl(isChildVideo ? childNode.getString("video_url")
+                                                                           : childNode.getString("display_url"))
+                                               // .setShortCode(childNode.getString(Constants.EXTRAS_SHORTCODE))
+                                               .setVideoViews(isChildVideo && childNode.has("video_view_count")
+                                                              ? childNode.getLong("video_view_count")
+                                                              : -1)
+                                               .build());
+                        // DownloadUtils.checkExistence(downloadDir, customDir, true, postModels.get(i));
                     }
-
-                    postModels[0].setCommentsCount(commentsCount);
-
-                    result = postModels;
+                    feedModelBuilder.setSliderItems(postModels);
                 }
+                return feedModelBuilder.build();
             }
-
-            conn.disconnect();
         } catch (Exception e) {
             if (logCollector != null) {
                 logCollector.appendException(e, LogCollector.LogFile.ASYNC_POST_FETCHER, "doInBackground");
             }
             Log.e(TAG, "Error fetching post", e);
+        } finally {
+            if (conn != null) {
+                conn.disconnect();
+            }
         }
-        return result;
+        return null;
     }
 
     @Override
@@ -188,7 +177,7 @@ public final class PostFetcher extends AsyncTask<Void, Void, ViewerPostModel[]>
     }
 
     @Override
-    protected void onPostExecute(final ViewerPostModel[] postModels) {
-        if (fetchListener != null) fetchListener.onResult(postModels);
+    protected void onPostExecute(final FeedModel feedModel) {
+        if (fetchListener != null) fetchListener.onResult(feedModel);
     }
 }

app/src/main/java/awais/instagrabber/asyncs/PostsFetcher.java

@@ -153,8 +153,8 @@ public final class PostsFetcher extends AsyncTask<Void, Void, List<PostModel>> {
                                                   : null,
                             mediaNode.getLong("taken_at_timestamp"),
                             mediaNode.optBoolean("viewer_has_liked"),
-                            mediaNode.optBoolean("viewer_has_saved"),
-                            mediaNode.isNull("edge_liked_by") ? 0 : mediaNode.getJSONObject("edge_liked_by").getLong("count")
+                            mediaNode.optBoolean("viewer_has_saved")
+                            // , mediaNode.isNull("edge_liked_by") ? 0 : mediaNode.getJSONObject("edge_liked_by").getLong("count")
                     );
                     result.add(model);
                     DownloadUtils.checkExistence(downloadDir, customDir, isSlider, model);

app/src/main/java/awais/instagrabber/asyncs/i/iLikedFetcher.java

@@ -96,8 +96,9 @@ public final class iLikedFetcher extends AsyncTask<Void, Void, List<PostModel>>
                             mediaNode.isNull("caption") ? null : mediaNode.getJSONObject("caption").optString("text"),
                             mediaNode.getLong("taken_at"),
                             true,
-                            mediaNode.optBoolean("has_viewer_saved"),
-                            mediaNode.getLong("like_count"));
+                            mediaNode.optBoolean("has_viewer_saved")
+                            // , mediaNode.getLong("like_count")
+                    );
                     result.add(model);
                     String username = mediaNode.getJSONObject("user").getString("username");
                     final File downloadDir = new File(Environment.getExternalStorageDirectory(), "Download" +

app/src/main/java/awais/instagrabber/asyncs/i/iPostFetcher.java

@@ -10,14 +10,16 @@ import org.json.JSONObject;
 import java.io.File;
 import java.net.HttpURLConnection;
 import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
 
 import awais.instagrabber.BuildConfig;
 import awais.instagrabber.interfaces.FetchListener;
+import awais.instagrabber.models.FeedModel;
+import awais.instagrabber.models.PostChild;
 import awais.instagrabber.models.ProfileModel;
-import awais.instagrabber.models.ViewerPostModel;
 import awais.instagrabber.models.enums.MediaItemType;
 import awais.instagrabber.utils.Constants;
-import awais.instagrabber.utils.DownloadUtils;
 import awais.instagrabber.utils.NetworkUtils;
 import awais.instagrabber.utils.ResponseBodyUtils;
 import awais.instagrabber.utils.TextUtils;
@@ -29,22 +31,22 @@ import static awais.instagrabber.utils.Constants.FOLDER_PATH;
 import static awais.instagrabber.utils.Constants.FOLDER_SAVE_TO;
 import static awais.instagrabber.utils.Utils.logCollector;
 
-public final class iPostFetcher extends AsyncTask<Void, Void, ViewerPostModel[]> {
+public final class iPostFetcher extends AsyncTask<Void, Void, FeedModel> {
     private static final String TAG = "iPostFetcher";
 
     private final String id;
-    private final FetchListener<ViewerPostModel[]> fetchListener;
+    private final FetchListener<FeedModel> fetchListener;
 
-    public iPostFetcher(final String id, final FetchListener<ViewerPostModel[]> fetchListener) {
+    public iPostFetcher(final String id, final FetchListener<FeedModel> fetchListener) {
         this.id = id;
         this.fetchListener = fetchListener;
     }
 
     @Override
-    protected ViewerPostModel[] doInBackground(final Void... voids) {
-        ViewerPostModel[] result = null;
+    protected FeedModel doInBackground(final Void... voids) {
+        HttpURLConnection conn = null;
         try {
-            final HttpURLConnection conn = (HttpURLConnection) new URL("https://i.instagram.com/api/v1/media/" + id + "/info").openConnection();
+            conn = (HttpURLConnection) new URL("https://i.instagram.com/api/v1/media/" + id + "/info").openConnection();
             conn.setUseCaches(false);
             conn.setRequestProperty("User-Agent", Constants.USER_AGENT);
             conn.connect();
@@ -86,7 +88,7 @@ public final class iPostFetcher extends AsyncTask<Void, Void, ViewerPostModel[]>
                     );
                 }
                 if (profileModel == null) {
-                    return new ViewerPostModel[]{};
+                    return new FeedModel.Builder().build();
                 }
 
                 // to check if file exists
@@ -130,69 +132,65 @@ public final class iPostFetcher extends AsyncTask<Void, Void, ViewerPostModel[]>
                     }
                 }
                 // final String locationString = location.optString("id") + "/" + location.optString("slug");
-                if (mediaItemType != MediaItemType.MEDIA_TYPE_SLIDER) {
-                    final ViewerPostModel postModel = new ViewerPostModel(
-                            mediaItemType,
-                            media.getString(Constants.EXTRAS_ID),
-                            isVideo ? ResponseBodyUtils.getHighQualityPost(media.optJSONArray("video_versions"), true, true, false)
-                                    : ResponseBodyUtils.getHighQualityImage(media),
-                            media.getString("code"),
-                            TextUtils.isEmpty(postCaption) ? null : postCaption,
-                            profileModel,
-                            isVideo && media.has("view_count") ? media.getLong("view_count") : -1,
-                            timestamp, media.optBoolean("has_liked"),
-                            media.optBoolean("has_viewer_saved"),
-                            media.getLong("like_count"),
-                            locationName,
-                            locationId);
-
-                    postModel.setCommentsCount(commentsCount);
-
-                    DownloadUtils.checkExistence(downloadDir, customDir, false, postModel);
-
-                    result = new ViewerPostModel[]{postModel};
-
-                } else {
+                final FeedModel.Builder feedModelBuilder = new FeedModel.Builder()
+                        .setItemType(mediaItemType)
+                        .setPostId(media.getString(Constants.EXTRAS_ID))
+                        .setDisplayUrl(isVideo ? ResponseBodyUtils.getHighQualityPost(media.optJSONArray("video_versions"), true, true, false)
+                                               : ResponseBodyUtils.getHighQualityImage(media))
+                        .setShortCode(media.getString("code"))
+                        .setPostCaption(TextUtils.isEmpty(postCaption) ? null : postCaption)
+                        .setProfileModel(profileModel)
+                        .setViewCount(isVideo && media.has("view_count")
+                                      ? media.getLong("view_count")
+                                      : -1)
+                        .setTimestamp(timestamp)
+                        .setLiked(media.optBoolean("has_liked"))
+                        .setBookmarked(media.optBoolean("has_viewer_saved"))
+                        .setLikesCount(media.getLong("like_count"))
+                        .setLocationName(locationName)
+                        .setLocationId(locationId)
+                        .setCommentsCount(commentsCount);
+                // DownloadUtils.checkExistence(downloadDir, customDir, false, postModel);
+
+                if (isSlider) {
                     final JSONArray children = media.getJSONArray("carousel_media");
-                    final ViewerPostModel[] postModels = new ViewerPostModel[children.length()];
-
-                    for (int i = 0; i < postModels.length; ++i) {
-                        final JSONObject node = children.getJSONObject(i);
-                        final boolean isChildVideo = node.has("video_duration");
-
-                        postModels[i] = new ViewerPostModel(
-                                isChildVideo ? MediaItemType.MEDIA_TYPE_VIDEO
-                                             : MediaItemType.MEDIA_TYPE_IMAGE,
-                                media.getString(Constants.EXTRAS_ID),
-                                isChildVideo ? ResponseBodyUtils.getHighQualityPost(node.optJSONArray("video_versions"), true, true, false)
-                                             : ResponseBodyUtils.getHighQualityImage(node),
-                                media.getString("code"),
-                                postCaption,
-                                profileModel,
-                                -1,
-                                timestamp, media.optBoolean("has_liked"),
-                                media.optBoolean("has_viewer_saved"),
-                                media.getLong("like_count"),
-                                locationName,
-                                locationId);
-                        postModels[i].setSliderDisplayUrl(ResponseBodyUtils.getHighQualityImage(node));
-                        DownloadUtils.checkExistence(downloadDir, customDir, true, postModels[i]);
+                    final List<PostChild> postModels = new ArrayList<>();
+                    for (int i = 0; i < children.length(); ++i) {
+                        final JSONObject childNode = children.getJSONObject(i);
+                        final boolean isChildVideo = childNode.has("video_duration");
+                        postModels.add(new PostChild.Builder()
+                                               .setItemType(isChildVideo ? MediaItemType.MEDIA_TYPE_VIDEO
+                                                                         : MediaItemType.MEDIA_TYPE_IMAGE)
+                                               .setPostId(childNode.has(Constants.EXTRAS_ID)
+                                                          ? childNode.getString(Constants.EXTRAS_ID)
+                                                          : media.getString(Constants.EXTRAS_ID))
+                                               // .setShortCode(childNode.optString(Constants.EXTRAS_SHORTCODE))
+                                               .setDisplayUrl(
+                                                       isChildVideo ? ResponseBodyUtils.getHighQualityPost(
+                                                               childNode.optJSONArray("video_versions"), true, true, false)
+                                                                    : ResponseBodyUtils.getHighQualityImage(childNode))
+                                               .setVideoViews(isChildVideo && childNode.has("video_view_count")
+                                                              ? childNode.getLong("video_view_count")
+                                                              : -1)
+                                               .build());
+                        // DownloadUtils.checkExistence(downloadDir, customDir, true, postModels[i]);
                     }
-
-                    postModels[0].setCommentsCount(commentsCount);
-                    result = postModels;
+                    feedModelBuilder.setSliderItems(postModels);
                 }
+                return feedModelBuilder.build();
             }
-
-            conn.disconnect();
         } catch (Exception e) {
             if (logCollector != null)
                 logCollector.appendException(e, LogCollector.LogFile.ASYNC_POST_FETCHER, "doInBackground (i)");
             if (BuildConfig.DEBUG) {
                 Log.e(TAG, "", e);
             }
+        } finally {
+            if (conn != null) {
+                conn.disconnect();
+            }
         }
-        return result;
+        return null;
     }
 
     @Override
@@ -201,7 +199,7 @@ public final class iPostFetcher extends AsyncTask<Void, Void, ViewerPostModel[]>
     }
 
     @Override
-    protected void onPostExecute(final ViewerPostModel[] postModels) {
-        if (fetchListener != null) fetchListener.onResult(postModels);
+    protected void onPostExecute(final FeedModel feedModel) {
+        if (fetchListener != null) fetchListener.onResult(feedModel);
     }
 }

app/src/main/java/awais/instagrabber/customviews/CircularImageView.java

@@ -2,10 +2,7 @@ package awais.instagrabber.customviews;
 
 import android.content.Context;
 import android.content.res.Resources;
-import android.graphics.Bitmap;
-import android.graphics.BitmapShader;
 import android.graphics.Color;
-import android.graphics.Paint;
 import android.util.AttributeSet;
 
 import androidx.annotation.Nullable;
@@ -17,36 +14,27 @@ import com.facebook.drawee.generic.GenericDraweeHierarchyInflater;
 import com.facebook.drawee.generic.RoundingParams;
 import com.facebook.drawee.view.SimpleDraweeView;
 
-public final class CircularImageView extends SimpleDraweeView {
-    private final int borderSize = 8;
-    private int color = Color.TRANSPARENT;
-    private final Paint paint = new Paint();
-    private final Paint paintBorder = new Paint();
-    private BitmapShader shader;
-    private Bitmap bitmap;
+import awais.instagrabber.R;
 
+public class CircularImageView extends SimpleDraweeView {
     public CircularImageView(Context context, GenericDraweeHierarchy hierarchy) {
         super(context);
         setHierarchy(hierarchy);
-        setup();
     }
 
     public CircularImageView(final Context context) {
         super(context);
         inflateHierarchy(context, null);
-        setup();
     }
 
     public CircularImageView(final Context context, final AttributeSet attrs) {
         super(context, attrs);
         inflateHierarchy(context, attrs);
-        setup();
     }
 
     public CircularImageView(final Context context, final AttributeSet attrs, final int defStyleAttr) {
         super(context, attrs, defStyleAttr);
         inflateHierarchy(context, attrs);
-        setup();
     }
 
     protected void inflateHierarchy(Context context, @Nullable AttributeSet attrs) {
@@ -58,77 +46,12 @@ public final class CircularImageView extends SimpleDraweeView {
         GenericDraweeHierarchyInflater.updateBuilder(builder, context, attrs);
         setAspectRatio(builder.getDesiredAspectRatio());
         setHierarchy(builder.build());
+        setBackgroundResource(R.drawable.shape_oval_light);
     }
 
-    private void setup() {
-        // paint.setAntiAlias(true);
-        // paintBorder.setColor(color);
-        // paintBorder.setAntiAlias(true);
-        //
-        // if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-        //     setOutlineProvider(new ViewOutlineProvider() {
-        //         private int viewHeight;
-        //         private int viewWidth;
-        //
-        //         @Override
-        //         public void getOutline(final View view, final Outline outline) {
-        //             if (viewHeight == 0) viewHeight = getHeight();
-        //             if (viewWidth == 0) viewWidth = getWidth();
-        //             outline.setRoundRect(borderSize, borderSize, viewWidth - borderSize, viewHeight - borderSize, viewHeight >> 1);
-        //         }
-        //     });
-        // }
-        // final GenericDraweeHierarchy hierarchy = new GenericDraweeHierarchyBuilder(getResources())
-        //         .setRoundingParams(RoundingParams.)
-        //         .build();
-        // setHierarchy(hierarchy);
-        // invalidate();
-    }
-
-    // @Override
-    // public void onDraw(final Canvas canvas) {
-    //     final BitmapDrawable bitmapDrawable = (BitmapDrawable) getDrawable();
-    //     if (bitmapDrawable != null) {
-    //         final Bitmap prevBitmap = bitmap;
-    //         bitmap = bitmapDrawable.getBitmap();
-    //         final boolean changed = prevBitmap != bitmap;
-    //         if (bitmap != null) {
-    //             final int width = getWidth();
-    //             final int height = getHeight();
-    //
-    //             if (shader == null || changed) {
-    //                 shader = new BitmapShader(Bitmap.createScaledBitmap(bitmap, width, height, true), Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
-    //                 paint.setShader(shader);
-    //             }
-    //
-    //             if (changed) color = 0;
-    //             paintBorder.setColor(color);
-    //
-    //             final int circleCenter = (width - borderSize) / 2;
-    //             final int position = circleCenter + (borderSize / 2);
-    //             canvas.drawCircle(position, position, position - 4.0f, paintBorder);
-    //             canvas.drawCircle(position, position, circleCenter - 4.0f, paint);
-    //         }
-    //     }
-    // }
-    //
-    // @Override
-    // protected void onAttachedToWindow() {
-    //     super.onAttachedToWindow();
-    //     setLayerType(LAYER_TYPE_HARDWARE, null);
-    // }
-    //
-    // @Override
-    // protected void onDetachedFromWindow() {
-    //     setLayerType(LAYER_TYPE_NONE, null);
-    //     super.onDetachedFromWindow();
-    // }
-
     public void setStoriesBorder() {
-        this.color = Color.GREEN;
-        // invalidate();
-        // final RoundingParams roundingParams = RoundingParams.fromCornersRadius(5f);
-        //
+        // private final int borderSize = 8;
+        final int color = Color.GREEN;
         RoundingParams roundingParams = getHierarchy().getRoundingParams();
         if (roundingParams == null) {
             roundingParams = RoundingParams.asCircle().setRoundingMethod(RoundingParams.RoundingMethod.BITMAP_ONLY);

app/src/main/java/awais/instagrabber/customviews/PostsRecyclerView.java

@@ -0,0 +1,259 @@
+package awais.instagrabber.customviews;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.util.Log;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.lifecycle.LifecycleOwner;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.lifecycle.ViewModelStoreOwner;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.StaggeredGridLayoutManager;
+import androidx.transition.ChangeBounds;
+import androidx.transition.Transition;
+import androidx.transition.TransitionManager;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import awais.instagrabber.adapters.FeedAdapterV2;
+import awais.instagrabber.adapters.FeedAdapterV2.OnPostClickListener;
+import awais.instagrabber.customviews.helpers.GridSpacingItemDecoration;
+import awais.instagrabber.customviews.helpers.PostFetcher;
+import awais.instagrabber.customviews.helpers.RecyclerLazyLoaderAtBottom;
+import awais.instagrabber.interfaces.FetchListener;
+import awais.instagrabber.interfaces.MentionClickListener;
+import awais.instagrabber.models.FeedModel;
+import awais.instagrabber.models.PostsLayoutPreferences;
+import awais.instagrabber.utils.Constants;
+import awais.instagrabber.utils.Utils;
+import awais.instagrabber.viewmodels.FeedViewModel;
+
+public class PostsRecyclerView extends RecyclerView {
+    private static final String TAG = "PostsRecyclerView";
+
+    private StaggeredGridLayoutManager gridLayoutManager;
+    private PostsLayoutPreferences layoutPreferences;
+    private PostFetcher.PostFetchService postFetchService;
+    private Transition transition;
+    private OnClickListener postViewClickListener;
+    private MentionClickListener mentionClickListener;
+    private PostFetcher postFetcher;
+    private ViewModelStoreOwner viewModelStoreOwner;
+    private FeedAdapterV2 feedAdapter;
+    private LifecycleOwner lifeCycleOwner;
+    private FeedViewModel feedViewModel;
+    private boolean initCalled = false;
+    private GridSpacingItemDecoration gridSpacingItemDecoration;
+    private RecyclerLazyLoaderAtBottom lazyLoader;
+    private OnPostClickListener onPostClickListener;
+
+    private final FetchListener<List<FeedModel>> fetchListener = new FetchListener<List<FeedModel>>() {
+        @Override
+        public void onResult(final List<FeedModel> result) {
+            final int currentPage = lazyLoader.getCurrentPage();
+            if (currentPage == 0) {
+                feedViewModel.getList().postValue(result);
+                dispatchFetchStatus();
+                return;
+            }
+            final List<FeedModel> models = feedViewModel.getList().getValue();
+            final List<FeedModel> modelsCopy = models == null ? new ArrayList<>() : new ArrayList<>(models);
+            modelsCopy.addAll(result);
+            feedViewModel.getList().postValue(modelsCopy);
+            dispatchFetchStatus();
+        }
+
+        @Override
+        public void onFailure(final Throwable t) {
+            Log.e(TAG, "onFailure: ", t);
+        }
+    };
+    private final List<FetchStatusChangeListener> fetchStatusChangeListeners = new ArrayList<>();
+
+    public PostsRecyclerView(@NonNull final Context context) {
+        super(context);
+    }
+
+    public PostsRecyclerView(@NonNull final Context context, @Nullable final AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public PostsRecyclerView(@NonNull final Context context, @Nullable final AttributeSet attrs, final int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    public PostsRecyclerView setViewModelStoreOwner(final ViewModelStoreOwner owner) {
+        if (initCalled) {
+            throw new IllegalArgumentException("init already called!");
+        }
+        this.viewModelStoreOwner = owner;
+        return this;
+    }
+
+    public PostsRecyclerView setLifeCycleOwner(final LifecycleOwner lifeCycleOwner) {
+        if (initCalled) {
+            throw new IllegalArgumentException("init already called!");
+        }
+        this.lifeCycleOwner = lifeCycleOwner;
+        return this;
+    }
+
+    public PostsRecyclerView setPostFetchService(final PostFetcher.PostFetchService postFetchService) {
+        if (initCalled) {
+            throw new IllegalArgumentException("init already called!");
+        }
+        this.postFetchService = postFetchService;
+        return this;
+    }
+
+    public PostsRecyclerView setOnPostClickListener(@NonNull final OnPostClickListener onPostClickListener) {
+        this.onPostClickListener = onPostClickListener;
+        return this;
+    }
+
+    public PostsRecyclerView setMentionClickListener(final MentionClickListener mentionClickListener) {
+        this.mentionClickListener = mentionClickListener;
+        return this;
+    }
+
+    public PostsRecyclerView setLayoutPreferences(final PostsLayoutPreferences layoutPreferences) {
+        this.layoutPreferences = layoutPreferences;
+        if (initCalled) {
+            if (layoutPreferences == null) return this;
+            feedAdapter.setLayoutPreferences(layoutPreferences);
+            updateLayout();
+        }
+        return this;
+    }
+
+    public void init() {
+        initCalled = true;
+        if (viewModelStoreOwner == null) {
+            throw new IllegalArgumentException("ViewModelStoreOwner cannot be null");
+        } else if (lifeCycleOwner == null) {
+            throw new IllegalArgumentException("LifecycleOwner cannot be null");
+        } else if (postFetchService == null) {
+            throw new IllegalArgumentException("PostFetchService cannot be null");
+        }
+        if (layoutPreferences == null) {
+            layoutPreferences = PostsLayoutPreferences.builder()
+                                                      .setType(PostsLayoutPreferences.PostsLayoutType.GRID)
+                                                      .setColCount(3)
+                                                      .setAvatarVisible(true)
+                                                      .setNameVisible(false)
+                                                      .setProfilePicSize(PostsLayoutPreferences.ProfilePicSize.TINY)
+                                                      .setHasGap(true)
+                                                      .setHasRoundedCorners(true)
+                                                      .build();
+            Utils.settingsHelper.putString(Constants.PREF_POSTS_LAYOUT, layoutPreferences.getJson());
+        }
+        gridSpacingItemDecoration = new GridSpacingItemDecoration(Utils.convertDpToPx(2));
+        initTransition();
+        initAdapter();
+        initLayoutManager();
+        initSelf();
+
+    }
+
+    private void initTransition() {
+        transition = new ChangeBounds();
+        // transition.addListener(new TransitionListenerAdapter(){
+        //     @Override
+        //     public void onTransitionEnd(@NonNull final Transition transition) {
+        //         super.onTransitionEnd(transition);
+        //     }
+        // });
+        transition.setDuration(300);
+    }
+
+    private void initLayoutManager() {
+        gridLayoutManager = new StaggeredGridLayoutManager(layoutPreferences.getColCount(), StaggeredGridLayoutManager.VERTICAL);
+        setLayoutManager(gridLayoutManager);
+    }
+
+    private void initAdapter() {
+        feedAdapter = new FeedAdapterV2(
+                layoutPreferences,
+                postViewClickListener,
+                mentionClickListener,
+                (feedModel, view, postImage) -> {
+                    if (onPostClickListener != null) {
+                        onPostClickListener.onPostClick(feedModel, view, postImage);
+                    }
+                });
+        feedAdapter.setStateRestorationPolicy(RecyclerView.Adapter.StateRestorationPolicy.PREVENT_WHEN_EMPTY);
+        setAdapter(feedAdapter);
+    }
+
+    private void initSelf() {
+        feedViewModel = new ViewModelProvider(viewModelStoreOwner).get(FeedViewModel.class);
+        feedViewModel.getList().observe(lifeCycleOwner, feedAdapter::submitList);
+        postFetcher = new PostFetcher(postFetchService, fetchListener);
+        addItemDecoration(gridSpacingItemDecoration);
+        setHasFixedSize(true);
+        lazyLoader = new RecyclerLazyLoaderAtBottom(gridLayoutManager, (page) -> {
+            if (postFetcher.hasMore()) {
+                postFetcher.fetchNextPage();
+                dispatchFetchStatus();
+            }
+        });
+        addOnScrollListener(lazyLoader);
+        postFetcher.fetch();
+        dispatchFetchStatus();
+    }
+
+    private void updateLayout() {
+        post(() -> {
+            TransitionManager.beginDelayedTransition(this, transition);
+            feedAdapter.notifyDataSetChanged();
+            if (!layoutPreferences.getHasGap()) {
+                removeItemDecoration(gridSpacingItemDecoration);
+            }
+            gridLayoutManager.setSpanCount(layoutPreferences.getColCount());
+        });
+    }
+
+    public void refresh() {
+        lazyLoader.resetState();
+        postFetcher.fetch();
+        dispatchFetchStatus();
+    }
+
+    public boolean isFetching() {
+        return postFetcher != null && postFetcher.isFetching();
+    }
+
+    public PostsRecyclerView addFetchStatusChangeListener(final FetchStatusChangeListener fetchStatusChangeListener) {
+        if (fetchStatusChangeListener == null) return this;
+        fetchStatusChangeListeners.add(fetchStatusChangeListener);
+        return this;
+    }
+
+    public void removeFetchStatusListener(final FetchStatusChangeListener fetchStatusChangeListener) {
+        if (fetchStatusChangeListener == null) return;
+        fetchStatusChangeListeners.remove(fetchStatusChangeListener);
+    }
+
+    private void dispatchFetchStatus() {
+        for (final FetchStatusChangeListener listener : fetchStatusChangeListeners) {
+            listener.onFetchStatusChange(isFetching());
+        }
+    }
+
+    public PostsLayoutPreferences getLayoutPreferences() {
+        return layoutPreferences;
+    }
+
+    public interface FetchStatusChangeListener {
+        void onFetchStatusChange(boolean fetching);
+    }
+
+    @Override
+    protected void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
+        lifeCycleOwner = null;
+    }
+}

app/src/main/java/awais/instagrabber/customviews/ProfilePicView.java

@@ -0,0 +1,141 @@
+package awais.instagrabber.customviews;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Color;
+import android.util.AttributeSet;
+import android.view.ViewGroup;
+
+import androidx.annotation.DimenRes;
+import androidx.annotation.NonNull;
+
+import com.facebook.drawee.generic.GenericDraweeHierarchy;
+import com.facebook.drawee.generic.RoundingParams;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import awais.instagrabber.R;
+
+public final class ProfilePicView extends CircularImageView {
+    private static final String TAG = "ProfilePicView";
+
+    private Size size;
+    private int dimensionPixelSize;
+
+    public ProfilePicView(Context context, GenericDraweeHierarchy hierarchy) {
+        super(context);
+        setHierarchy(hierarchy);
+        size = Size.REGULAR;
+        updateLayout();
+    }
+
+    public ProfilePicView(final Context context) {
+        super(context);
+        size = Size.REGULAR;
+        updateLayout();
+    }
+
+    public ProfilePicView(final Context context, final AttributeSet attrs) {
+        super(context, attrs);
+        parseAttrs(context, attrs);
+        updateLayout();
+    }
+
+    public ProfilePicView(final Context context,
+                          final AttributeSet attrs,
+                          final int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        parseAttrs(context, attrs);
+    }
+
+    private void parseAttrs(final Context context, final AttributeSet attrs) {
+        final TypedArray a = context.getTheme().obtainStyledAttributes(
+                attrs,
+                R.styleable.ProfilePicView,
+                0,
+                0);
+        try {
+            final int sizeValue = a.getInt(R.styleable.ProfilePicView_size, Size.REGULAR.getValue());
+            size = Size.valueOf(sizeValue);
+        } finally {
+            a.recycle();
+        }
+    }
+
+    private void updateLayout() {
+        @DimenRes final int dimenRes;
+        switch (size) {
+            case SMALL:
+                dimenRes = R.dimen.profile_pic_size_small;
+                break;
+            case TINY:
+                dimenRes = R.dimen.profile_pic_size_tiny;
+                break;
+            case LARGE:
+                dimenRes = R.dimen.profile_pic_size_large;
+                break;
+            default:
+            case REGULAR:
+                dimenRes = R.dimen.profile_pic_size_regular;
+                break;
+        }
+        ViewGroup.LayoutParams layoutParams = getLayoutParams();
+        if (layoutParams == null) {
+            layoutParams = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
+        }
+        dimensionPixelSize = getResources().getDimensionPixelSize(dimenRes);
+        layoutParams.width = dimensionPixelSize;
+        layoutParams.height = dimensionPixelSize;
+
+        // invalidate();
+        // requestLayout();
+    }
+
+    public void setStoriesBorder() {
+        // private final int borderSize = 8;
+        final int color = Color.GREEN;
+        RoundingParams roundingParams = getHierarchy().getRoundingParams();
+        if (roundingParams == null) {
+            roundingParams = RoundingParams.asCircle().setRoundingMethod(RoundingParams.RoundingMethod.BITMAP_ONLY);
+        }
+        roundingParams.setBorder(color, 5.0f);
+        getHierarchy().setRoundingParams(roundingParams);
+    }
+
+    public enum Size {
+        TINY(0),
+        SMALL(1),
+        REGULAR(2),
+        LARGE(3);
+
+        private final int value;
+        private static Map<Integer, Size> map = new HashMap<>();
+
+        static {
+            for (Size size : Size.values()) {
+                map.put(size.value, size);
+            }
+        }
+
+        Size(final int value) {
+            this.value = value;
+        }
+
+        @NonNull
+        public static Size valueOf(final int value) {
+            final Size size = map.get(value);
+            return size != null ? size : Size.REGULAR;
+        }
+
+        public int getValue() {
+            return value;
+        }
+    }
+
+    @Override
+    protected void onMeasure(final int widthMeasureSpec, final int heightMeasureSpec) {
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        setMeasuredDimension(dimensionPixelSize, dimensionPixelSize);
+    }
+}

app/src/main/java/awais/instagrabber/customviews/RamboTextView.java

@@ -34,7 +34,6 @@ public final class RamboTextView extends AppCompatTextView {
     private ClickableSpan clickableSpanUnderTouchOnActionDown;
     private MentionClickListener mentionClickListener;
     private boolean isUrlHighlighted;
-    private boolean isExpandable;
     private boolean isExpanded;
     private OnLongClickListener longClickListener;
 
@@ -59,13 +58,13 @@ public final class RamboTextView extends AppCompatTextView {
         this.mentionClickListener = mentionClickListener;
     }
 
-    public void setCaptionIsExpandable(final boolean isExpandable) {
-        this.isExpandable = isExpandable;
-    }
+    // public void setCaptionIsExpandable(final boolean isExpandable) {
+    //     this.isExpandable = isExpandable;
+    // }
 
-    public void setCaptionIsExpanded(final boolean isExpanded) {
-        this.isExpanded = isExpanded;
-    }
+    // public void setCaptionIsExpanded(final boolean isExpanded) {
+    //     this.isExpanded = isExpanded;
+    // }
 
     @Override
     public void setOnLongClickListener(@Nullable final OnLongClickListener l) {
@@ -98,7 +97,7 @@ public final class RamboTextView extends AppCompatTextView {
                 case MotionEvent.ACTION_DOWN:
                     final int longPressTimeout = ViewConfiguration.getLongPressTimeout();
                     handler.postDelayed(longPressRunnable, longPressTimeout);
-                    if (feedModel != null) feedModel.setMentionClicked(false);
+                    // if (feedModel != null) feedModel.setMentionClicked(false);
                     if (clickableSpanUnderTouch != null) {
                         highlightUrl(clickableSpanUnderTouch, spanText);
                     }
@@ -107,19 +106,19 @@ public final class RamboTextView extends AppCompatTextView {
                     handler.removeCallbacks(longPressRunnable);
                     if (touchStartedOverAClickableSpan && clickableSpanUnderTouch == clickableSpanUnderTouchOnActionDown) {
                         dispatchUrlClick(spanText, clickableSpanUnderTouch);
-                        if (feedModel != null) feedModel.setMentionClicked(true);
+                        // if (feedModel != null) feedModel.setMentionClicked(true);
                     }
                     cleanupOnTouchUp(spanText);
                     return super.onTouchEvent(event);
                 case MotionEvent.ACTION_MOVE:
                     // handler.removeCallbacks(longPressRunnable);
-                    if (feedModel != null) feedModel.setMentionClicked(false);
+                    // if (feedModel != null) feedModel.setMentionClicked(false);
                     if (clickableSpanUnderTouch != null) highlightUrl(clickableSpanUnderTouch, spanText);
                     else removeUrlHighlightColor(spanText);
                     return super.onTouchEvent(event);
                 case MotionEvent.ACTION_CANCEL:
                     handler.removeCallbacks(longPressRunnable);
-                    if (feedModel != null) feedModel.setMentionClicked(false);
+                    // if (feedModel != null) feedModel.setMentionClicked(false);
                     cleanupOnTouchUp(spanText);
                     return super.onTouchEvent(event);
             }

app/src/main/java/awais/instagrabber/customviews/SharedElementTransitionDialogFragment.java

@@ -0,0 +1,302 @@
+package awais.instagrabber.customviews;
+
+import android.animation.Animator;
+import android.graphics.Rect;
+import android.os.Handler;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.ViewTreeObserver;
+import android.view.animation.AccelerateDecelerateInterpolator;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.DialogFragment;
+import androidx.transition.ChangeBounds;
+import androidx.transition.ChangeTransform;
+import androidx.transition.Transition;
+import androidx.transition.TransitionListenerAdapter;
+import androidx.transition.TransitionManager;
+import androidx.transition.TransitionSet;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import awais.instagrabber.utils.Utils;
+
+public abstract class SharedElementTransitionDialogFragment extends DialogFragment {
+    // private static final String TAG = "SETDialogFragment";
+    private static final int DURATION = 200;
+
+    private final Map<Integer, View> startViews = new HashMap<>();
+    private final Map<Integer, View> destViews = new HashMap<>();
+    private final Map<Integer, ViewBounds> viewBoundsMap = new HashMap<>();
+    private final List<Animator> additionalAnimators = new ArrayList<>();
+    private final Handler initialBoundsHandler = new Handler();
+
+    private boolean startCalled = false;
+    private boolean startInitiated = false;
+    private int boundsCalculatedCount = 0;
+
+    protected int getAnimationDuration() {
+        return DURATION;
+    }
+
+    public void addSharedElement(@NonNull final View startView, @NonNull final View destView) {
+        final int key = destView.hashCode();
+        startViews.put(key, startView);
+        destViews.put(key, destView);
+        initialBoundsHandler.post(() -> setupInitialBounds(startView, destView));
+    }
+
+    public void startPostponedEnterTransition() {
+        startCalled = true;
+        if (startInitiated) return;
+        if (boundsCalculatedCount < startViews.size()) return;
+        startInitiated = true;
+        final Set<Integer> keySet = startViews.keySet();
+        final View view = getView();
+        if (!(view instanceof ViewGroup)) return;
+        final TransitionSet transitionSet = new TransitionSet()
+                .setDuration(DURATION)
+                .setInterpolator(new AccelerateDecelerateInterpolator())
+                .addTransition(new ChangeBounds())
+                .addTransition(new ChangeTransform())
+                .addListener(new TransitionListenerAdapter() {
+                    @Override
+                    public void onTransitionStart(@NonNull final Transition transition) {
+                        for (Animator animator : additionalAnimators) {
+                            animator.start();
+                        }
+                    }
+
+                    @Override
+                    public void onTransitionEnd(@NonNull final Transition transition) {
+                        for (final Integer key : keySet) {
+                            final View startView = startViews.get(key);
+                            final View destView = destViews.get(key);
+                            final ViewBounds viewBounds = viewBoundsMap.get(key);
+                            onEndSharedElementAnimation(startView, destView, viewBounds);
+                        }
+                    }
+                });
+        view.post(() -> {
+            TransitionManager.beginDelayedTransition((ViewGroup) view, transitionSet);
+            for (final Integer key : keySet) {
+                final View startView = startViews.get(key);
+                final View destView = destViews.get(key);
+                final ViewBounds viewBounds = viewBoundsMap.get(key);
+                onBeforeSharedElementAnimation(startView, destView, viewBounds);
+                setDestBounds(key);
+            }
+        });
+    }
+
+    private void setDestBounds(final int key) {
+        final View startView = startViews.get(key);
+        if (startView == null) return;
+        final View destView = destViews.get(key);
+        if (destView == null) return;
+        final ViewBounds viewBounds = viewBoundsMap.get(key);
+        if (viewBounds == null) return;
+        destView.setX((int) viewBounds.getDestX());
+        destView.setY((int) viewBounds.getDestY());
+        destView.setTranslationX(0);
+        destView.setTranslationY(0);
+        final ViewGroup.LayoutParams layoutParams = destView.getLayoutParams();
+        layoutParams.height = viewBounds.getDestHeight();
+        layoutParams.width = viewBounds.getDestWidth();
+        destView.requestLayout();
+    }
+
+    protected void onBeforeSharedElementAnimation(@NonNull final View startView,
+                                                  @NonNull final View destView,
+                                                  @NonNull final ViewBounds viewBounds) {}
+
+    protected void onEndSharedElementAnimation(@NonNull final View startView,
+                                               @NonNull final View destView,
+                                               @NonNull final ViewBounds viewBounds) {}
+
+    private void setupInitialBounds(@NonNull final View startView, @NonNull final View destView) {
+        final ViewTreeObserver.OnPreDrawListener preDrawListener = new ViewTreeObserver.OnPreDrawListener() {
+            private boolean firstPassDone;
+
+            @Override
+            public boolean onPreDraw() {
+                destView.getViewTreeObserver().removeOnPreDrawListener(this);
+                if (!firstPassDone) {
+                    getViewBounds(startView, destView, this);
+                    firstPassDone = true;
+                    return false;
+                }
+                final int[] location = new int[2];
+                startView.getLocationOnScreen(location);
+                final int initX = location[0];
+                final int initY = location[1];
+                destView.setX(initX);
+                destView.setY(initY - Utils.getStatusBarHeight(getContext()));
+                destView.requestLayout();
+                boundsCalculatedCount++;
+                if (startCalled) {
+                    startPostponedEnterTransition();
+                }
+                return true;
+            }
+        };
+        destView.getViewTreeObserver().addOnPreDrawListener(preDrawListener);
+    }
+
+    private void getViewBounds(@NonNull final View startView,
+                               @NonNull final View destView,
+                               @NonNull final ViewTreeObserver.OnPreDrawListener preDrawListener) {
+        final ViewBounds viewBounds = new ViewBounds();
+        viewBounds.setDestWidth(destView.getWidth());
+        viewBounds.setDestHeight(destView.getHeight());
+        viewBounds.setDestX(destView.getX());
+        viewBounds.setDestY(destView.getY());
+
+        final Rect destBounds = new Rect();
+        destView.getDrawingRect(destBounds);
+        viewBounds.setDestBounds(destBounds);
+
+        final ViewGroup.LayoutParams layoutParams = destView.getLayoutParams();
+
+        final Rect startBounds = new Rect();
+        startView.getDrawingRect(startBounds);
+        viewBounds.setStartBounds(startBounds);
+
+        final int key = destView.hashCode();
+        viewBoundsMap.put(key, viewBounds);
+
+        layoutParams.height = startView.getHeight();
+        layoutParams.width = startView.getWidth();
+
+        destView.getViewTreeObserver().addOnPreDrawListener(preDrawListener);
+        destView.requestLayout();
+    }
+
+    // private void animateBounds(@NonNull final View startView,
+    //                            @NonNull final View destView,
+    //                            @NonNull final ViewBounds viewBounds) {
+    //     final ValueAnimator heightAnimator = ObjectAnimator.ofInt(startView.getHeight(), viewBounds.getDestHeight());
+    //     final ValueAnimator widthAnimator = ObjectAnimator.ofInt(startView.getWidth(), viewBounds.getDestWidth());
+    //     heightAnimator.setDuration(DURATION);
+    //     widthAnimator.setDuration(DURATION);
+    //     additionalAnimators.add(heightAnimator);
+    //     additionalAnimators.add(widthAnimator);
+    //     heightAnimator.addUpdateListener(animation -> {
+    //         ViewGroup.LayoutParams params = destView.getLayoutParams();
+    //         params.height = (int) animation.getAnimatedValue();
+    //         destView.requestLayout();
+    //     });
+    //     widthAnimator.addUpdateListener(animation -> {
+    //         ViewGroup.LayoutParams params = destView.getLayoutParams();
+    //         params.width = (int) animation.getAnimatedValue();
+    //         destView.requestLayout();
+    //     });
+    //     onBeforeSharedElementAnimation(startView, destView, viewBounds);
+    //     final float destX = viewBounds.getDestX();
+    //     final float destY = viewBounds.getDestY();
+    //     final AnimatorSet animatorSet = new AnimatorSet();
+    //     animatorSet.addListener(new AnimatorListenerAdapter() {
+    //         @Override
+    //         public void onAnimationEnd(final Animator animation) {
+    //             animationEnded(startView, destView, viewBounds);
+    //         }
+    //     });
+    //
+    //     destView.animate()
+    //             .x(destX)
+    //             .y(destY)
+    //             .setDuration(DURATION)
+    //             .withStartAction(() -> {
+    //                 if (!additionalAnimatorsStarted && additionalAnimators.size() > 0) {
+    //                     additionalAnimatorsStarted = true;
+    //                     animatorSet.playTogether(additionalAnimators);
+    //                     animatorSet.start();
+    //                 }
+    //             })
+    //             .withEndAction(() -> animationEnded(startView, destView, viewBounds))
+    //             .start();
+    // }
+
+    // private int endCount = 0;
+    // private void animationEnded(final View startView, final View destView, final ViewBounds viewBounds) {
+    //     ++endCount;
+    //     if (endCount != startViews.size() + 1) return;
+    //     onEndSharedElementAnimation(startView, destView, viewBounds);
+    // }
+
+    protected void addAnimator(@NonNull final Animator animator) {
+        additionalAnimators.add(animator);
+    }
+
+    protected static class ViewBounds {
+        private float destY;
+        private float destX;
+        private int destHeight;
+        private int destWidth;
+        private Rect startBounds;
+        private Rect destBounds;
+
+        public ViewBounds() {}
+
+        public float getDestY() {
+            return destY;
+        }
+
+        public void setDestY(final float destY) {
+            this.destY = destY;
+        }
+
+        public float getDestX() {
+            return destX;
+        }
+
+        public void setDestX(final float destX) {
+            this.destX = destX;
+        }
+
+        public int getDestHeight() {
+            return destHeight;
+        }
+
+        public void setDestHeight(final int destHeight) {
+            this.destHeight = destHeight;
+        }
+
+        public int getDestWidth() {
+            return destWidth;
+        }
+
+        public void setDestWidth(final int destWidth) {
+            this.destWidth = destWidth;
+        }
+
+        public Rect getStartBounds() {
+            return startBounds;
+        }
+
+        public void setStartBounds(final Rect startBounds) {
+            this.startBounds = startBounds;
+        }
+
+        public Rect getDestBounds() {
+            return destBounds;
+        }
+
+        public void setDestBounds(final Rect destBounds) {
+            this.destBounds = destBounds;
+        }
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        startViews.clear();
+        destViews.clear();
+        viewBoundsMap.clear();
+        additionalAnimators.clear();
+    }
+}

app/src/main/java/awais/instagrabber/customviews/VerticalDragHelper.java

@@ -0,0 +1,203 @@
+package awais.instagrabber.customviews;
+
+import android.content.Context;
+import android.util.Log;
+import android.view.GestureDetector;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewConfiguration;
+import android.view.ViewParent;
+
+import androidx.annotation.NonNull;
+
+public class VerticalDragHelper {
+    private static final String TAG = "VerticalDragHelper";
+    private static final float PIXELS_PER_SECOND = 10;
+
+    private final View view;
+
+    private GestureDetector gestureDetector;
+    private Context context;
+    private float flingVelocity;
+    private OnVerticalDragListener onVerticalDragListener;
+
+    private final GestureDetector.OnGestureListener gestureListener = new GestureDetector.SimpleOnGestureListener() {
+
+        @Override
+        public boolean onSingleTapConfirmed(final MotionEvent e) {
+            view.performClick();
+            return true;
+        }
+
+        @Override
+        public boolean onFling(final MotionEvent e1, final MotionEvent e2, final float velocityX, final float velocityY) {
+            float maxFlingVelocity = ViewConfiguration.get(context).getScaledMaximumFlingVelocity();
+            float velocityPercentY = velocityY / maxFlingVelocity;
+            float normalizedVelocityY = velocityPercentY * PIXELS_PER_SECOND;
+            if (Math.abs(normalizedVelocityY) > 4) {
+                flingVelocity = normalizedVelocityY;
+            }
+            return super.onFling(e1, e2, velocityX, velocityY);
+        }
+
+
+    };
+
+    private final GestureDetector.OnGestureListener dragPreventionGestureListener = new GestureDetector.SimpleOnGestureListener() {
+        float prevDistanceY = 0;
+
+        @Override
+        public boolean onScroll(final MotionEvent e1, final MotionEvent e2, final float distanceX, final float distanceY) {
+            Log.d(TAG, "onScroll: distanceX: " + distanceX + ", distanceY: " + distanceY);
+            return super.onScroll(e1, e2, distanceX, distanceY);
+        }
+
+        @Override
+        public boolean onSingleTapUp(final MotionEvent e) {
+            Log.d(TAG, "onSingleTapUp");
+            return super.onSingleTapUp(e);
+        }
+    };
+
+    private float prevRawY;
+    private boolean isDragging;
+    private float prevRawX;
+    private float dX;
+    private float prevDY;
+    private GestureDetector dragPreventionGestureDetector;
+
+    public VerticalDragHelper(@NonNull final View view) {
+        this.view = view;
+        final Context context = view.getContext();
+        if (context == null) return;
+        this.context = context;
+        init();
+    }
+
+    public void setOnVerticalDragListener(@NonNull final OnVerticalDragListener onVerticalDragListener) {
+        this.onVerticalDragListener = onVerticalDragListener;
+    }
+
+    protected void init() {
+        gestureDetector = new GestureDetector(context, gestureListener);
+        dragPreventionGestureDetector = new GestureDetector(context, dragPreventionGestureListener);
+    }
+
+    public boolean onDragTouch(final MotionEvent event) {
+        if (onVerticalDragListener == null) {
+            return false;
+        }
+        // dragPreventionGestureDetector.onTouchEvent(event);
+        if (gestureDetector.onTouchEvent(event)) {
+            return true;
+        }
+        switch (event.getAction()) {
+            case MotionEvent.ACTION_DOWN:
+                return true;
+            case MotionEvent.ACTION_MOVE:
+                boolean handled = false;
+                final float rawY = event.getRawY();
+                final float dY = rawY - prevRawY;
+                if (!isDragging) {
+                    final float rawX = event.getRawX();
+                    if (prevRawX != 0) {
+                        dX = rawX - prevRawX;
+                    }
+                    prevRawX = rawX;
+                    if (prevRawY != 0) {
+                        final float dYAbs = Math.abs(dY - prevDY);
+                        if (!isDragging && dYAbs < 50) {
+                            final float abs = Math.abs(dY) - Math.abs(dX);
+                            if (abs > 0) {
+                                isDragging = true;
+                            }
+                        }
+                    }
+                }
+                if (isDragging) {
+                    final ViewParent parent = view.getParent();
+                    parent.requestDisallowInterceptTouchEvent(true);
+                    onVerticalDragListener.onDrag(dY);
+                    handled = true;
+                }
+                prevDY = dY;
+                prevRawY = rawY;
+                return handled;
+            case MotionEvent.ACTION_UP:
+                // Log.d(TAG, "onDragTouch: reset prevRawY");
+                prevRawY = 0;
+                if (flingVelocity != 0) {
+                    onVerticalDragListener.onFling(flingVelocity);
+                    flingVelocity = 0;
+                    isDragging = false;
+                    return true;
+                }
+                if (isDragging) {
+                    onVerticalDragListener.onDragEnd();
+                    isDragging = false;
+                    return true;
+                }
+                return false;
+            default:
+                return false;
+        }
+    }
+
+    public boolean isDragging() {
+        return isDragging;
+    }
+
+    public boolean onGestureTouchEvent(final MotionEvent event) {
+        return gestureDetector.onTouchEvent(event);
+    }
+
+    private final static int DIRECTION_UP = 0;
+    private final static int DIRECTION_DOWN = 1;
+    float prevY = -1;
+    int edgeHitCount = 0;
+    float prevDirection = -1;
+
+
+    // private boolean shouldPreventDrag(final MotionEvent event) {
+    //     switch (event.getAction()) {
+    //         case MotionEvent.ACTION_DOWN:
+    //             if (!firstDrag) {
+    //                 firstDrag = true;
+    //             }
+    //             return false;
+    //         case MotionEvent.ACTION_MOVE:
+    //             float y = event.getY();
+    //             int direction = -2;
+    //             if (prevY != -1) {
+    //                 final float dy = y - prevY;
+    //                 // Log.d(TAG, "shouldPreventDrag: dy: " + dy);
+    //                 if (dy > 0) {
+    //                     direction = DIRECTION_DOWN;
+    //                     // move direction is down
+    //                 } else {
+    //                     direction = DIRECTION_UP;
+    //                     // move direction is up
+    //                 }
+    //             }
+    //             prevY = y;
+    //             if (prevDirection == direction) {
+    //                 edgeHitCount++;
+    //             } else {
+    //                 edgeHitCount = 1;
+    //             }
+    //             if (edgeHitCount >= 2) {
+    //                 return false;
+    //             }
+    //             return true;
+    //             break;
+    //     }
+    // }
+
+    public interface OnVerticalDragListener {
+        void onDrag(final float dY);
+
+        void onDragEnd();
+
+        void onFling(final float flingVelocity);
+    }
+}

app/src/main/java/awais/instagrabber/customviews/VideoPlayerCallbackAdapter.java

@@ -0,0 +1,18 @@
+package awais.instagrabber.customviews;
+
+public class VideoPlayerCallbackAdapter implements VideoPlayerViewHelper.VideoPlayerCallback {
+    @Override
+    public void onThumbnailLoaded() {}
+
+    @Override
+    public void onThumbnailClick() {}
+
+    @Override
+    public void onPlayerViewLoaded() {}
+
+    @Override
+    public void onPlay() {}
+
+    @Override
+    public void onPause() {}
+}

app/src/main/java/awais/instagrabber/customviews/VideoPlayerViewHelper.java

@@ -0,0 +1,373 @@
+package awais.instagrabber.customviews;
+
+import android.content.Context;
+import android.graphics.drawable.Animatable;
+import android.net.Uri;
+import android.os.Handler;
+import android.os.Looper;
+import android.util.Log;
+import android.view.View;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.view.ContextThemeWrapper;
+import androidx.appcompat.widget.PopupMenu;
+
+import com.facebook.drawee.backends.pipeline.Fresco;
+import com.facebook.drawee.controller.BaseControllerListener;
+import com.facebook.drawee.interfaces.DraweeController;
+import com.facebook.imagepipeline.image.ImageInfo;
+import com.facebook.imagepipeline.request.ImageRequest;
+import com.facebook.imagepipeline.request.ImageRequestBuilder;
+import com.google.android.exoplayer2.ExoPlaybackException;
+import com.google.android.exoplayer2.MediaItem;
+import com.google.android.exoplayer2.PlaybackParameters;
+import com.google.android.exoplayer2.Player;
+import com.google.android.exoplayer2.SimpleExoPlayer;
+import com.google.android.exoplayer2.audio.AudioListener;
+import com.google.android.exoplayer2.source.ProgressiveMediaSource;
+import com.google.android.exoplayer2.upstream.DefaultDataSourceFactory;
+
+import awais.instagrabber.R;
+import awais.instagrabber.databinding.LayoutExoCustomControlsBinding;
+import awais.instagrabber.databinding.LayoutVideoPlayerWithThumbnailBinding;
+import awais.instagrabber.utils.TextUtils;
+
+import static com.google.android.exoplayer2.C.TIME_UNSET;
+import static com.google.android.exoplayer2.Player.STATE_ENDED;
+import static com.google.android.exoplayer2.Player.STATE_IDLE;
+import static com.google.android.exoplayer2.Player.STATE_READY;
+
+public class VideoPlayerViewHelper implements Player.EventListener {
+    private static final String TAG = "VideoPlayerViewHelper";
+
+    private final Context context;
+    private final awais.instagrabber.databinding.LayoutVideoPlayerWithThumbnailBinding binding;
+    private final float initialVolume;
+    private final float thumbnailAspectRatio;
+    private final String thumbnailUrl;
+    private final awais.instagrabber.databinding.LayoutExoCustomControlsBinding controlsBinding;
+    private final VideoPlayerCallback videoPlayerCallback;
+    private final String videoUrl;
+    private final DefaultDataSourceFactory dataSourceFactory;
+    private SimpleExoPlayer player;
+    private PopupMenu speedPopup;
+
+    public VideoPlayerViewHelper(@NonNull final Context context,
+                                 @NonNull final LayoutVideoPlayerWithThumbnailBinding binding,
+                                 @NonNull final String videoUrl,
+                                 final float initialVolume,
+                                 final float thumbnailAspectRatio,
+                                 final String thumbnailUrl,
+                                 final LayoutExoCustomControlsBinding controlsBinding,
+                                 final VideoPlayerCallback videoPlayerCallback) {
+        this.context = context;
+        this.binding = binding;
+        this.initialVolume = initialVolume;
+        this.thumbnailAspectRatio = thumbnailAspectRatio;
+        this.thumbnailUrl = thumbnailUrl;
+        this.controlsBinding = controlsBinding;
+        this.videoPlayerCallback = videoPlayerCallback;
+        this.videoUrl = videoUrl;
+        this.dataSourceFactory = new DefaultDataSourceFactory(binding.getRoot().getContext(), "instagram");
+        bind();
+    }
+
+    private void bind() {
+        binding.thumbnailParent.setOnClickListener(v -> {
+            if (videoPlayerCallback != null) {
+                videoPlayerCallback.onThumbnailClick();
+            }
+            loadPlayer();
+        });
+        setThumbnail();
+        setupControls();
+    }
+
+    private void setThumbnail() {
+        binding.thumbnail.setAspectRatio(thumbnailAspectRatio);
+        final ImageRequest thumbnailRequest = ImageRequestBuilder.newBuilderWithSource(Uri.parse(thumbnailUrl))
+                                                                 .build();
+        final DraweeController controller = Fresco.newDraweeControllerBuilder()
+                                                  .setControllerListener(new BaseControllerListener<ImageInfo>() {
+                                                      @Override
+                                                      public void onFailure(final String id, final Throwable throwable) {
+                                                          if (videoPlayerCallback != null) {
+                                                              videoPlayerCallback.onThumbnailLoaded();
+                                                          }
+                                                      }
+
+                                                      @Override
+                                                      public void onFinalImageSet(final String id,
+                                                                                  final ImageInfo imageInfo,
+                                                                                  final Animatable animatable) {
+                                                          if (videoPlayerCallback != null) {
+                                                              videoPlayerCallback.onThumbnailLoaded();
+                                                          }
+                                                      }
+                                                  })
+                                                  .setImageRequest(thumbnailRequest)
+                                                  .build();
+        binding.thumbnail.setController(controller);
+    }
+
+    private void loadPlayer() {
+        if (videoUrl == null) return;
+        if (binding.root.getDisplayedChild() == 0) {
+            binding.root.showNext();
+        }
+        if (videoPlayerCallback != null) {
+            videoPlayerCallback.onPlayerViewLoaded();
+        }
+        player = (SimpleExoPlayer) binding.playerView.getPlayer();
+        if (player != null) {
+            player.release();
+        }
+        player = new SimpleExoPlayer.Builder(context)
+                .setLooper(Looper.getMainLooper())
+                .build();
+        player.addListener(this);
+        player.setVolume(initialVolume);
+        player.setPlayWhenReady(true);
+        player.setRepeatMode(Player.REPEAT_MODE_ALL);
+        final ProgressiveMediaSource.Factory sourceFactory = new ProgressiveMediaSource.Factory(dataSourceFactory);
+        final MediaItem mediaItem = MediaItem.fromUri(videoUrl);
+        final ProgressiveMediaSource mediaSource = sourceFactory.createMediaSource(mediaItem);
+        player.setMediaSource(mediaSource);
+        setupControls();
+        player.prepare();
+        binding.playerView.setPlayer(player);
+    }
+
+    private void setupControls() {
+        if (controlsBinding == null) return;
+        binding.playerView.setUseController(false);
+        if (player == null) {
+            enableControls(false);
+            controlsBinding.playPause.setEnabled(true);
+            controlsBinding.playPause.setOnClickListener(v -> binding.thumbnailParent.performClick());
+            return;
+        }
+        enableControls(true);
+        final Handler handler = new Handler();
+        final long initialDelay = 0;
+        final long recurringDelay = 60;
+        final Runnable positionChecker = new Runnable() {
+            @Override
+            public void run() {
+                handler.removeCallbacks(this);
+                if (player == null) return;
+                final long currentPosition = player.getCurrentPosition();
+                final long duration = player.getDuration();
+                if (duration == TIME_UNSET) {
+                    controlsBinding.timeline.setValueFrom(0);
+                    controlsBinding.timeline.setValueTo(0);
+                    controlsBinding.timeline.setEnabled(false);
+                    return;
+                }
+                controlsBinding.timeline.setValue(Math.min(currentPosition, duration));
+                controlsBinding.fromTime.setText(TextUtils.millisToTimeString(currentPosition));
+                handler.postDelayed(this, recurringDelay);
+            }
+        };
+        updatePlayPauseDrawable(player.getPlayWhenReady());
+        updateMuteIcon(player.getVolume());
+        player.addListener(new Player.EventListener() {
+            @Override
+            public void onPlaybackStateChanged(final int state) {
+                switch (state) {
+                    case Player.STATE_BUFFERING:
+                    case STATE_IDLE:
+                    case STATE_ENDED:
+                        handler.removeCallbacks(positionChecker);
+                        return;
+                    case STATE_READY:
+                        setupTimeline();
+                        handler.postDelayed(positionChecker, initialDelay);
+                        break;
+                }
+            }
+
+            @Override
+            public void onPlayWhenReadyChanged(final boolean playWhenReady, final int reason) {
+                updatePlayPauseDrawable(playWhenReady);
+            }
+        });
+        player.addAudioListener(new AudioListener() {
+            @Override
+            public void onVolumeChanged(final float volume) {
+                updateMuteIcon(volume);
+            }
+        });
+        controlsBinding.timeline.addOnChangeListener((slider, value, fromUser) -> {
+            if (!fromUser) return;
+            long actualValue = (long) value;
+            if (actualValue < 0) {
+                actualValue = 0;
+            } else if (actualValue > player.getDuration()) {
+                actualValue = player.getDuration();
+            }
+            player.seekTo(actualValue);
+        });
+        controlsBinding.timeline.setLabelFormatter(value -> TextUtils.millisToTimeString((long) value));
+        controlsBinding.playPause.setOnClickListener(v -> player.setPlayWhenReady(!player.getPlayWhenReady()));
+        controlsBinding.mute.setOnClickListener(v -> toggleMute());
+        controlsBinding.rewWithAmount.setOnClickListener(v -> {
+            final long positionMs = player.getCurrentPosition() - 5000;
+            player.seekTo(positionMs < 0 ? 0 : positionMs);
+        });
+        controlsBinding.ffWithAmount.setOnClickListener(v -> {
+            long positionMs = player.getCurrentPosition() + 5000;
+            long duration = player.getDuration();
+            if (duration == TIME_UNSET) {
+                duration = 0;
+            }
+            player.seekTo(Math.min(positionMs, duration));
+        });
+        controlsBinding.speed.setOnClickListener(this::showMenu);
+    }
+
+    private void setupTimeline() {
+        final long duration = player.getDuration();
+        controlsBinding.timeline.setEnabled(true);
+        controlsBinding.timeline.setValueFrom(0);
+        controlsBinding.timeline.setValueTo(duration);
+        controlsBinding.fromTime.setText(TextUtils.millisToTimeString(0));
+        controlsBinding.toTime.setText(TextUtils.millisToTimeString(duration));
+    }
+
+    private void enableControls(final boolean enable) {
+        controlsBinding.speed.setEnabled(enable);
+        controlsBinding.mute.setEnabled(enable);
+        controlsBinding.ffWithAmount.setEnabled(enable);
+        controlsBinding.rewWithAmount.setEnabled(enable);
+        controlsBinding.fromTime.setEnabled(enable);
+        controlsBinding.toTime.setEnabled(enable);
+        controlsBinding.playPause.setEnabled(enable);
+    }
+
+    public void showMenu(View anchor) {
+        PopupMenu popup = getPopupMenu(anchor);
+        popup.show();
+    }
+
+    @NonNull
+    private PopupMenu getPopupMenu(final View anchor) {
+        if (speedPopup != null) {
+            return speedPopup;
+        }
+        final ContextThemeWrapper themeWrapper = new ContextThemeWrapper(context, R.style.popupMenuStyle);
+        // final ContextThemeWrapper themeWrapper = new ContextThemeWrapper(context, R.style.Widget_MaterialComponents_PopupMenu_Exoplayer);
+        speedPopup = new PopupMenu(themeWrapper, anchor);
+        speedPopup.getMenuInflater().inflate(R.menu.speed_menu, speedPopup.getMenu());
+        speedPopup.setOnMenuItemClickListener(item -> {
+            float nextSpeed;
+            int textResId;
+            switch (item.getItemId()) {
+                case R.id.pt_two_five_x:
+                    nextSpeed = 0.25f;
+                    textResId = R.string.pt_two_five_x;
+                    break;
+                case R.id.pt_five_x:
+                    nextSpeed = 0.5f;
+                    textResId = R.string.pt_five_x;
+                    break;
+                case R.id.pt_seven_five_x:
+                    nextSpeed = 0.75f;
+                    textResId = R.string.pt_seven_five_x;
+                    break;
+                case R.id.one_x:
+                    nextSpeed = 1f;
+                    textResId = R.string.one_x;
+                    break;
+                case R.id.one_pt_two_five_x:
+                    nextSpeed = 1.25f;
+                    textResId = R.string.one_pt_two_five_x;
+                    break;
+                case R.id.one_pt_five_x:
+                    nextSpeed = 1.5f;
+                    textResId = R.string.one_pt_five_x;
+                    break;
+                case R.id.two_x:
+                    nextSpeed = 2f;
+                    textResId = R.string.two_x;
+                    break;
+                default:
+                    nextSpeed = 1;
+                    textResId = R.string.one_x;
+            }
+            player.setPlaybackParameters(new PlaybackParameters(nextSpeed));
+            controlsBinding.speed.setText(textResId);
+            return true;
+        });
+        return speedPopup;
+    }
+
+    private void updateMuteIcon(final float volume) {
+        if (volume == 0) {
+            controlsBinding.mute.setIconResource(R.drawable.ic_volume_off_24);
+            return;
+        }
+        controlsBinding.mute.setIconResource(R.drawable.ic_volume_up_24);
+    }
+
+    private void updatePlayPauseDrawable(final boolean playWhenReady) {
+        if (playWhenReady) {
+            controlsBinding.playPause.setIconResource(R.drawable.ic_pause_24);
+            return;
+        }
+        controlsBinding.playPause.setIconResource(R.drawable.ic_play_arrow_24);
+    }
+
+    @Override
+    public void onPlayWhenReadyChanged(final boolean playWhenReady, final int reason) {
+        if (videoPlayerCallback == null) return;
+        if (playWhenReady) {
+            videoPlayerCallback.onPlay();
+            return;
+        }
+        videoPlayerCallback.onPause();
+    }
+
+    @Override
+    public void onPlayerError(final ExoPlaybackException error) {
+        Log.e(TAG, "onPlayerError", error);
+    }
+
+    public float toggleMute() {
+        if (player == null) return 0;
+        final float vol = player.getVolume() == 0f ? 1f : 0f;
+        player.setVolume(vol);
+        return vol;
+    }
+
+    public void togglePlayback() {
+        if (player == null) return;
+        final int playbackState = player.getPlaybackState();
+        if (playbackState == STATE_IDLE || playbackState == STATE_ENDED) return;
+        final boolean playWhenReady = player.getPlayWhenReady();
+        player.setPlayWhenReady(!playWhenReady);
+    }
+
+    public void releasePlayer() {
+        if (player == null) return;
+        player.release();
+        player = null;
+    }
+
+    public void pause() {
+        if (player == null) return;
+        player.pause();
+    }
+
+    public interface VideoPlayerCallback {
+        void onThumbnailLoaded();
+
+        void onThumbnailClick();
+
+        void onPlayerViewLoaded();
+
+        void onPlay();
+
+        void onPause();
+    }
+}

app/src/main/java/awais/instagrabber/customviews/drawee/DefaultZoomableController.java

@@ -572,16 +572,16 @@ public class DefaultZoomableController
         RectF b = mTempRect;
         b.set(mImageBounds);
         transform.mapRect(b);
-        float offsetLeft =
-                shouldLimit(limitTypes, LIMIT_TRANSLATION_X)
-                        ? getOffset(
-                        b.left, b.right, mViewBounds.left, mViewBounds.right, mImageBounds.centerX())
-                        : 0;
-        float offsetTop =
-                shouldLimit(limitTypes, LIMIT_TRANSLATION_Y)
-                        ? getOffset(
-                        b.top, b.bottom, mViewBounds.top, mViewBounds.bottom, mImageBounds.centerY())
-                        : 0;
+        final boolean shouldLimitX = shouldLimit(limitTypes, LIMIT_TRANSLATION_X);
+        float offsetLeft = shouldLimitX
+                           ? getOffset(b.left, b.right, mViewBounds.left, mViewBounds.right, mImageBounds.centerX())
+                           : 0;
+        float offsetTop = shouldLimit(limitTypes, LIMIT_TRANSLATION_Y)
+                          ? getOffset(b.top, b.bottom, mViewBounds.top, mViewBounds.bottom, mImageBounds.centerY())
+                          : 0;
+        if (mListener != null) {
+            mListener.onTranslationLimited(offsetLeft, offsetTop);
+        }
         if (offsetLeft != 0 || offsetTop != 0) {
             transform.postTranslate(offsetLeft, offsetTop);
             return true;

app/src/main/java/awais/instagrabber/customviews/drawee/DraggableZoomableDraweeView.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package awais.instagrabber.customviews.drawee;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.graphics.Matrix;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+
+import androidx.annotation.NonNull;
+
+import com.facebook.drawee.generic.GenericDraweeHierarchy;
+
+import awais.instagrabber.customviews.VerticalDragHelper;
+import awais.instagrabber.customviews.VerticalDragHelper.OnVerticalDragListener;
+
+public class DraggableZoomableDraweeView extends ZoomableDraweeView {
+    private static final String TAG = "DraggableZoomableDV";
+
+    private VerticalDragHelper verticalDragHelper;
+
+    public DraggableZoomableDraweeView(final Context context, final GenericDraweeHierarchy hierarchy) {
+        super(context, hierarchy);
+        verticalDragHelper = new VerticalDragHelper(this);
+    }
+
+    public DraggableZoomableDraweeView(final Context context) {
+        super(context);
+        verticalDragHelper = new VerticalDragHelper(this);
+    }
+
+    public DraggableZoomableDraweeView(final Context context, final AttributeSet attrs) {
+        super(context, attrs);
+        verticalDragHelper = new VerticalDragHelper(this);
+    }
+
+    public DraggableZoomableDraweeView(final Context context, final AttributeSet attrs, final int defStyle) {
+        super(context, attrs, defStyle);
+        verticalDragHelper = new VerticalDragHelper(this);
+    }
+
+    public void setOnVerticalDragListener(@NonNull final OnVerticalDragListener onVerticalDragListener) {
+        verticalDragHelper.setOnVerticalDragListener(onVerticalDragListener);
+    }
+
+    private int lastPointerCount;
+    private int lastNewPointerCount;
+    private boolean wasTransformCorrected;
+
+    @Override
+    protected void onTransformEnd(final Matrix transform) {
+        super.onTransformEnd(transform);
+        final AnimatedZoomableController zoomableController = (AnimatedZoomableController) getZoomableController();
+        final TransformGestureDetector detector = zoomableController.getDetector();
+        lastNewPointerCount = detector.getNewPointerCount();
+        lastPointerCount = detector.getPointerCount();
+    }
+
+    @Override
+    protected void onTranslationLimited(final float offsetLeft, final float offsetTop) {
+        super.onTranslationLimited(offsetLeft, offsetTop);
+        wasTransformCorrected = offsetTop != 0;
+    }
+
+    @SuppressLint("ClickableViewAccessibility")
+    @Override
+    public boolean onTouchEvent(final MotionEvent event) {
+        boolean superResult = false;
+        if (verticalDragHelper.isDragging()) {
+            final boolean onDragTouch = verticalDragHelper.onDragTouch(event);
+            if (onDragTouch) {
+                return true;
+            }
+        }
+        if (!verticalDragHelper.isDragging()) {
+            superResult = super.onTouchEvent(event);
+            if (wasTransformCorrected
+                    && (lastPointerCount == 1 || lastPointerCount == 0)
+                    && (lastNewPointerCount == 1 || lastNewPointerCount == 0)) {
+                final boolean onDragTouch = verticalDragHelper.onDragTouch(event);
+                if (onDragTouch) {
+                    return true;
+                }
+            }
+        }
+        final boolean gestureListenerResult = verticalDragHelper.onGestureTouchEvent(event);
+        if (gestureListenerResult) {
+            return true;
+        }
+        return superResult;
+    }
+}

app/src/main/java/awais/instagrabber/customviews/drawee/MultiZoomableControllerListener.java

@@ -41,6 +41,13 @@ public class MultiZoomableControllerListener implements ZoomableController.Liste
         }
     }
 
+    @Override
+    public void onTranslationLimited(final float offsetLeft, final float offsetTop) {
+        for (ZoomableController.Listener listener : mListeners) {
+            listener.onTranslationLimited(offsetLeft, offsetTop);
+        }
+    }
+
     public synchronized void addListener(ZoomableController.Listener listener) {
         mListeners.add(listener);
     }

app/src/main/java/awais/instagrabber/customviews/drawee/ZoomableController.java

@@ -42,6 +42,8 @@ public interface ZoomableController {
          * @param transform the current transform matrix
          */
         void onTransformEnd(Matrix transform);
+
+        void onTranslationLimited(float offsetLeft, float offsetTop);
     }
 
     /**

app/src/main/java/awais/instagrabber/customviews/drawee/ZoomableDraweeView.java

@@ -33,8 +33,6 @@ import com.facebook.drawee.generic.GenericDraweeHierarchyInflater;
 import com.facebook.drawee.interfaces.DraweeController;
 import com.facebook.drawee.view.DraweeView;
 
-import awais.instagrabber.customviews.helpers.SwipeGestureListener;
-
 
 /**
  * DraweeView that has zoomable capabilities.
@@ -54,7 +52,7 @@ public class ZoomableDraweeView extends DraweeView<GenericDraweeHierarchy>
     private DraweeController mHugeImageController;
     private ZoomableController mZoomableController;
     private GestureDetector mTapGestureDetector;
-    private boolean mAllowTouchInterceptionWhileZoomed = true;
+    private boolean mAllowTouchInterceptionWhileZoomed = false;
 
     private boolean mIsDialtoneEnabled = false;
     private boolean mZoomingEnabled = true;
@@ -76,7 +74,9 @@ public class ZoomableDraweeView extends DraweeView<GenericDraweeHierarchy>
     private final ZoomableController.Listener mZoomableListener =
             new ZoomableController.Listener() {
                 @Override
-                public void onTransformBegin(Matrix transform) {}
+                public void onTransformBegin(Matrix transform) {
+                    ZoomableDraweeView.this.onTransformBegin(transform);
+                }
 
                 @Override
                 public void onTransformChanged(Matrix transform) {
@@ -84,7 +84,14 @@ public class ZoomableDraweeView extends DraweeView<GenericDraweeHierarchy>
                 }
 
                 @Override
-                public void onTransformEnd(Matrix transform) {}
+                public void onTransformEnd(Matrix transform) {
+                    ZoomableDraweeView.this.onTransformEnd(transform);
+                }
+
+                @Override
+                public void onTranslationLimited(final float offsetLeft, final float offsetTop) {
+                    ZoomableDraweeView.this.onTranslationLimited(offsetLeft, offsetTop);
+                }
             };
 
     private final GestureListenerWrapper mTapListenerWrapper = new GestureListenerWrapper();
@@ -302,11 +309,10 @@ public class ZoomableDraweeView extends DraweeView<GenericDraweeHierarchy>
         int a = event.getActionMasked();
         FLog.v(getLogTag(), "onTouchEvent: %d, view %x, received", a, this.hashCode());
         if (!mIsDialtoneEnabled && mTapGestureDetector.onTouchEvent(event)) {
-            FLog.v(
-                    getLogTag(),
-                    "onTouchEvent: %d, view %x, handled by tap gesture detector",
-                    a,
-                    this.hashCode());
+            FLog.v(getLogTag(),
+                   "onTouchEvent: %d, view %x, handled by tap gesture detector",
+                   a,
+                   this.hashCode());
             return true;
         }
 
@@ -389,23 +395,29 @@ public class ZoomableDraweeView extends DraweeView<GenericDraweeHierarchy>
         mZoomableController.setEnabled(false);
     }
 
+    protected void onTransformBegin(final Matrix transform) {}
+
     protected void onTransformChanged(Matrix transform) {
         FLog.v(getLogTag(), "onTransformChanged: view %x, transform: %s", this.hashCode(), transform);
         maybeSetHugeImageController();
         invalidate();
     }
 
+    protected void onTransformEnd(final Matrix transform) {}
+
+    protected void onTranslationLimited(final float offsetLeft, final float offsetTop) {}
+
     protected void updateZoomableControllerBounds() {
         getImageBounds(mImageBounds);
         getLimitBounds(mViewBounds);
+        // Log.d(TAG.getSimpleName(), "updateZoomableControllerBounds: mImageBounds: " + mImageBounds);
         mZoomableController.setImageBounds(mImageBounds);
         mZoomableController.setViewBounds(mViewBounds);
-        FLog.v(
-                getLogTag(),
-                "updateZoomableControllerBounds: view %x, view bounds: %s, image bounds: %s",
-                this.hashCode(),
-                mViewBounds,
-                mImageBounds);
+        FLog.v(getLogTag(),
+               "updateZoomableControllerBounds: view %x, view bounds: %s, image bounds: %s",
+               this.hashCode(),
+               mViewBounds,
+               mImageBounds);
     }
 
     protected Class<?> getLogTag() {

app/src/main/java/awais/instagrabber/customviews/helpers/GridSpacingItemDecoration.java

@@ -4,7 +4,6 @@ import android.graphics.Rect;
 import android.view.View;
 
 import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.GridLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
 public class GridSpacingItemDecoration extends RecyclerView.ItemDecoration {
@@ -16,16 +15,14 @@ public class GridSpacingItemDecoration extends RecyclerView.ItemDecoration {
 
     @Override
     public void getItemOffsets(@NonNull Rect outRect, @NonNull View view, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
-        final RecyclerView.LayoutManager manager = parent.getLayoutManager();
-        if (manager instanceof GridLayoutManager) {
-            final int spanCount = ((GridLayoutManager) manager).getSpanCount();
-            final int position = parent.getChildAdapterPosition(view);
-            final int column = position % spanCount;
-
-            outRect.left = column * spacing / spanCount;
-            outRect.right = spacing - (column + 1) * spacing / spanCount;
-            if (position < spanCount) outRect.top = spacing;
-            outRect.bottom = spacing;
+        final int halfSpace = spacing / 2;
+        if (parent.getPaddingLeft() != halfSpace) {
+            parent.setPadding(halfSpace, halfSpace, halfSpace, halfSpace);
+            parent.setClipToPadding(false);
         }
+        outRect.top = halfSpace;
+        outRect.bottom = halfSpace;
+        outRect.left = halfSpace;
+        outRect.right = halfSpace;
     }
 }

app/src/main/java/awais/instagrabber/customviews/helpers/PostFetcher.java

@@ -0,0 +1,50 @@
+package awais.instagrabber.customviews.helpers;
+
+import java.util.List;
+
+import awais.instagrabber.interfaces.FetchListener;
+import awais.instagrabber.models.FeedModel;
+
+public class PostFetcher {
+    private final PostFetchService postFetchService;
+    private final FetchListener<List<FeedModel>> fetchListener;
+    private boolean fetching;
+
+    public PostFetcher(final PostFetchService postFetchService,
+                       final FetchListener<List<FeedModel>> fetchListener) {
+        this.postFetchService = postFetchService;
+        this.fetchListener = fetchListener;
+    }
+
+    public void fetch() {
+        fetch(null);
+    }
+
+    public void fetchNextPage() {
+        fetch(postFetchService.getNextCursor());
+    }
+
+    public void fetch(final String cursor) {
+        fetching = true;
+        postFetchService.fetch(cursor, result -> {
+            fetching = false;
+            fetchListener.onResult(result);
+        });
+    }
+
+    public boolean isFetching() {
+        return fetching;
+    }
+
+    public boolean hasMore() {
+        return postFetchService.hasNextPage();
+    }
+
+    public interface PostFetchService {
+        void fetch(String cursor, FetchListener<List<FeedModel>> fetchListener);
+
+        String getNextCursor();
+
+        boolean hasNextPage();
+    }
+}

app/src/main/java/awais/instagrabber/customviews/helpers/RecyclerLazyLoader.java

@@ -1,23 +1,41 @@
 package awais.instagrabber.customviews.helpers;
 
+import android.os.Handler;
+
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.GridLayoutManager;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.StaggeredGridLayoutManager;
 
 import awais.instagrabber.interfaces.LazyLoadListener;
 
-// thanks to nesquena's EndlessRecyclerViewScrollListener
-//   https://gist.github.com/nesquena/d09dc68ff07e845cc622
+/**
+ * thanks to nesquena's <a href="https://gist.github.com/nesquena/d09dc68ff07e845cc622">EndlessRecyclerViewScrollListener</a>
+ */
 public final class RecyclerLazyLoader extends RecyclerView.OnScrollListener {
-    private int currentPage = 0;            // The current offset index of data you have loaded
-    private int previousTotalItemCount = 0; // The total number of items in the dataset after the last load
-    private boolean loading = true;         // True if we are still waiting for the last set of data to load.
-    private final int visibleThreshold;     // The minimum amount of items to have below your current scroll position before loading more.
+    /**
+     * The current offset index of data you have loaded
+     */
+    private int currentPage = 0;
+    /**
+     * The total number of items in the data set after the last load
+     */
+    private int previousTotalItemCount = 0;
+    /**
+     * <code>true</code> if we are still waiting for the last set of data to load.
+     */
+    private boolean loading = true;
+    /**
+     * The minimum amount of items to have below your current scroll position before loading more.
+     */
+    private final int visibleThreshold;
     private final LazyLoadListener lazyLoadListener;
     private final RecyclerView.LayoutManager layoutManager;
 
-    public RecyclerLazyLoader(@NonNull final RecyclerView.LayoutManager layoutManager, final LazyLoadListener lazyLoadListener, final int threshold) {
+    public RecyclerLazyLoader(@NonNull final RecyclerView.LayoutManager layoutManager,
+                              final LazyLoadListener lazyLoadListener,
+                              final int threshold) {
         this.layoutManager = layoutManager;
         this.lazyLoadListener = lazyLoadListener;
         if (threshold > 0) {
@@ -26,6 +44,8 @@ public final class RecyclerLazyLoader extends RecyclerView.OnScrollListener {
         }
         if (layoutManager instanceof GridLayoutManager) {
             this.visibleThreshold = 5 * Math.max(3, ((GridLayoutManager) layoutManager).getSpanCount());
+        } else if (layoutManager instanceof StaggeredGridLayoutManager) {
+            this.visibleThreshold = 4 * Math.max(3, ((StaggeredGridLayoutManager) layoutManager).getSpanCount());
         } else if (layoutManager instanceof LinearLayoutManager) {
             this.visibleThreshold = ((LinearLayoutManager) layoutManager).getReverseLayout() ? 4 : 8;
         } else {
@@ -33,7 +53,8 @@ public final class RecyclerLazyLoader extends RecyclerView.OnScrollListener {
         }
     }
 
-    public RecyclerLazyLoader(@NonNull final RecyclerView.LayoutManager layoutManager, final LazyLoadListener lazyLoadListener) {
+    public RecyclerLazyLoader(@NonNull final RecyclerView.LayoutManager layoutManager,
+                              final LazyLoadListener lazyLoadListener) {
         this(layoutManager, lazyLoadListener, -1);
     }
 
@@ -52,22 +73,37 @@ public final class RecyclerLazyLoader extends RecyclerView.OnScrollListener {
             previousTotalItemCount = totalItemCount;
         }
 
-        final int lastVisibleItemPosition;
+        int lastVisibleItemPosition;
         if (layoutManager instanceof GridLayoutManager) {
             final GridLayoutManager layoutManager = (GridLayoutManager) this.layoutManager;
             lastVisibleItemPosition = layoutManager.findLastVisibleItemPosition();
+        } else if (layoutManager instanceof StaggeredGridLayoutManager) {
+            final StaggeredGridLayoutManager layoutManager = (StaggeredGridLayoutManager) this.layoutManager;
+            final int spanCount = layoutManager.getSpanCount();
+            final int[] lastVisibleItemPositions = layoutManager.findLastVisibleItemPositions(null);
+            lastVisibleItemPosition = 0;
+            for (final int itemPosition : lastVisibleItemPositions) {
+                if (itemPosition > lastVisibleItemPosition) {
+                    lastVisibleItemPosition = itemPosition;
+                }
+            }
         } else {
             final LinearLayoutManager layoutManager = (LinearLayoutManager) this.layoutManager;
             lastVisibleItemPosition = layoutManager.findLastVisibleItemPosition();
         }
 
         if (!loading && lastVisibleItemPosition + visibleThreshold > totalItemCount) {
-            if (lazyLoadListener != null)
-                lazyLoadListener.onLoadMore(++currentPage, totalItemCount);
             loading = true;
+            if (lazyLoadListener != null) {
+                new Handler().postDelayed(() -> lazyLoadListener.onLoadMore(++currentPage, totalItemCount), 200);
+            }
         }
     }
 
+    public int getCurrentPage() {
+        return currentPage;
+    }
+
     public void resetState() {
         this.currentPage = 0;
         this.previousTotalItemCount = 0;

app/src/main/java/awais/instagrabber/customviews/helpers/RecyclerLazyLoaderAtBottom.java

@@ -0,0 +1,51 @@
+package awais.instagrabber.customviews.helpers;
+
+import android.os.Handler;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+public final class RecyclerLazyLoaderAtBottom extends RecyclerView.OnScrollListener {
+
+    @NonNull
+    private final RecyclerView.LayoutManager layoutManager;
+    private final LazyLoadListener lazyLoadListener;
+    private int currentPage;
+    private int previousItemCount;
+    private boolean loading;
+
+    public RecyclerLazyLoaderAtBottom(@NonNull final RecyclerView.LayoutManager layoutManager,
+                                      final LazyLoadListener lazyLoadListener) {
+        this.layoutManager = layoutManager;
+        this.lazyLoadListener = lazyLoadListener;
+    }
+
+    @Override
+    public void onScrollStateChanged(@NonNull final RecyclerView recyclerView, final int newState) {
+        super.onScrollStateChanged(recyclerView, newState);
+        final int itemCount = layoutManager.getItemCount();
+        if (itemCount > previousItemCount) {
+            loading = false;
+        }
+        if (!recyclerView.canScrollVertically(RecyclerView.SCROLL_AXIS_HORIZONTAL) && newState == RecyclerView.SCROLL_STATE_IDLE) {
+            if (!loading && lazyLoadListener != null) {
+                loading = true;
+                new Handler().postDelayed(() -> lazyLoadListener.onLoadMore(++currentPage), 1000);
+            }
+        }
+    }
+
+    public int getCurrentPage() {
+        return currentPage;
+    }
+
+    public void resetState() {
+        currentPage = 0;
+        previousItemCount = 0;
+        loading = true;
+    }
+
+    public interface LazyLoadListener {
+        void onLoadMore(final int page);
+    }
+}

app/src/main/java/awais/instagrabber/customviews/helpers/VideoAwareRecyclerScroller.java

@@ -70,7 +70,7 @@ public class VideoAwareRecyclerScroller extends RecyclerView.OnScrollListener {
             final FeedVideoViewHolder videoHolder = getFirstVideoHolder(recyclerView, firstVisibleItemPos, lastVisibleItemPos);
             if (videoHolder == null || videoHolder.getCurrentFeedModel() == null) {
                 if (currentlyPlayingViewHolder != null) {
-                    currentlyPlayingViewHolder.stopPlaying();
+                    // currentlyPlayingViewHolder.stopPlaying();
                     currentlyPlayingViewHolder = null;
                 }
                 return;
@@ -80,9 +80,9 @@ public class VideoAwareRecyclerScroller extends RecyclerView.OnScrollListener {
                 return;
             }
             if (currentlyPlayingViewHolder != null) {
-                currentlyPlayingViewHolder.stopPlaying();
+                // currentlyPlayingViewHolder.stopPlaying();
             }
-            videoHolder.startPlaying();
+            // videoHolder.startPlaying();
             currentlyPlayingViewHolder = videoHolder;
         }
         // boolean processFirstItem = false, processLastItem = false;
@@ -196,7 +196,7 @@ public class VideoAwareRecyclerScroller extends RecyclerView.OnScrollListener {
         for (int pos = firstVisibleItemPos; pos <= lastVisibleItemPos; pos++) {
             final View view = layoutManager.findViewByPosition(pos);
             if (view != null && view.getId() == R.id.videoHolder) {
-                final View viewSwitcher = view.findViewById(R.id.view_switcher);
+                final View viewSwitcher = view.findViewById(R.id.root);
                 if (viewSwitcher == null) {
                     continue;
                 }
@@ -220,113 +220,113 @@ public class VideoAwareRecyclerScroller extends RecyclerView.OnScrollListener {
         if (currentlyPlayingViewHolder == null) {
             return;
         }
-        currentlyPlayingViewHolder.startPlaying();
+        // currentlyPlayingViewHolder.startPlaying();
     }
 
     public void stopPlaying() {
         if (currentlyPlayingViewHolder == null) {
             return;
         }
-        currentlyPlayingViewHolder.stopPlaying();
+        // currentlyPlayingViewHolder.stopPlaying();
     }
 
-//     private synchronized void attachVideo(final int itemPos, final RecyclerView recyclerView, final View itemView) {
-//         synchronized (LOCK) {
-//             if (recyclerView != null) {
-//                 final RecyclerView.Adapter<?> adapter = recyclerView.getAdapter();
-//                 if (adapter instanceof FeedAdapter) {
-//                     final SimpleExoPlayer pagerPlayer = ((FeedAdapter) adapter).pagerPlayer;
-//                     if (pagerPlayer != null) pagerPlayer.setPlayWhenReady(false);
-//                 }
-//             }
-//             if (itemView == null) {
-//                 return;
-//             }
-//             final boolean shouldAutoplay = settingsHelper.getBoolean(Constants.AUTOPLAY_VIDEOS);
-//             final FeedModel feedModel = feedModels.get(itemPos);
-//             // loadVideo(itemPos, itemView, shouldAutoplay, feedModel);
-//         }
-//     }
-//
-//     private void loadVideo(final int itemPos, final View itemView, final boolean shouldAutoplay, final FeedModel feedModel) {
-//         final PlayerView playerView = itemView.findViewById(R.id.playerView);
-//         if (playerView == null) {
-//             return;
-//         }
-//         if (player != null) {
-//             player.stop(true);
-//             player.release();
-//             player = null;
-//         }
-//
-//         player = new SimpleExoPlayer.Builder(context)
-//                 .setUseLazyPreparation(!shouldAutoplay)
-//                 .build();
-//         player.setPlayWhenReady(shouldAutoplay);
-//
-//         final View btnComments = itemView.findViewById(R.id.btnComments);
-//         if (btnComments != null) {
-//             if (feedModel.getCommentsCount() <= 0) btnComments.setEnabled(false);
-//             else {
-//                 btnComments.setTag(feedModel);
-//                 btnComments.setEnabled(true);
-//                 btnComments.setOnClickListener(commentClickListener);
-//             }
-//         }
-//         playerView.setPlayer(player);
-//         btnMute = itemView.findViewById(R.id.btnMute);
-//         float vol = settingsHelper.getBoolean(Constants.MUTED_VIDEOS) ? 0f : 1f;
-//         if (vol == 0f && Utils.sessionVolumeFull) vol = 1f;
-//         player.setVolume(vol);
-//
-//         if (btnMute != null) {
-//             btnMute.setVisibility(View.VISIBLE);
-//             btnMute.setImageResource(vol == 0f ? R.drawable.vol : R.drawable.mute);
-//             btnMute.setOnClickListener(muteClickListener);
-//         }
-//         final DataSource.Factory factory = cacheDataSourceFactory != null ? cacheDataSourceFactory : dataSourceFactory;
-//         final ProgressiveMediaSource.Factory sourceFactory = new ProgressiveMediaSource.Factory(factory);
-//         final ProgressiveMediaSource mediaSource = sourceFactory.createMediaSource(Uri.parse(feedModel.getDisplayUrl()));
-//
-//         player.setRepeatMode(Player.REPEAT_MODE_ALL);
-//         player.prepare(mediaSource);
-//         player.setVolume(vol);
-//
-//         playerView.setOnClickListener(v -> player.setPlayWhenReady(!player.getPlayWhenReady()));
-//
-//         if (videoChangeCallback != null) videoChangeCallback.playerChanged(itemPos, player);
-//     }
-//
-//     private void releaseVideo(final int itemPos, final RecyclerView recyclerView, final View itemView) {
-// //                    Log.d("AWAISKING_APP", "release: " + itemPos);
-// //         if (player != null) {
-// //             player.stop(true);
-// //             player.release();
-// //         }
-// //         player = null;
-//     }
-//
-//     private void playVideo(final int itemPos, final RecyclerView recyclerView, final View itemView) {
-// //                    if (player != null) {
-// //                        final int playbackState = player.getPlaybackState();
-// //                        if (!player.isPlaying()
-// //                               || playbackState == Player.STATE_READY || playbackState == Player.STATE_ENDED
-// //                        ) {
-// //                            player.setPlayWhenReady(true);
-// //                        }
-// //                    }
-// //                    if (player != null) {
-// //                        player.setPlayWhenReady(true);
-// //                        player.getPlaybackState();
-// //                    }
-//     }
-//
-//     private void stopVideo(final int itemPos, final RecyclerView recyclerView, final View itemView) {
-//         if (player != null) {
-//             player.setPlayWhenReady(false);
-//             player.getPlaybackState();
-//         }
-//     }
+    //     private synchronized void attachVideo(final int itemPos, final RecyclerView recyclerView, final View itemView) {
+    //         synchronized (LOCK) {
+    //             if (recyclerView != null) {
+    //                 final RecyclerView.Adapter<?> adapter = recyclerView.getAdapter();
+    //                 if (adapter instanceof FeedAdapter) {
+    //                     final SimpleExoPlayer pagerPlayer = ((FeedAdapter) adapter).pagerPlayer;
+    //                     if (pagerPlayer != null) pagerPlayer.setPlayWhenReady(false);
+    //                 }
+    //             }
+    //             if (itemView == null) {
+    //                 return;
+    //             }
+    //             final boolean shouldAutoplay = settingsHelper.getBoolean(Constants.AUTOPLAY_VIDEOS);
+    //             final FeedModel feedModel = feedModels.get(itemPos);
+    //             // loadVideo(itemPos, itemView, shouldAutoplay, feedModel);
+    //         }
+    //     }
+    //
+    //     private void loadVideo(final int itemPos, final View itemView, final boolean shouldAutoplay, final FeedModel feedModel) {
+    //         final PlayerView playerView = itemView.findViewById(R.id.playerView);
+    //         if (playerView == null) {
+    //             return;
+    //         }
+    //         if (player != null) {
+    //             player.stop(true);
+    //             player.release();
+    //             player = null;
+    //         }
+    //
+    //         player = new SimpleExoPlayer.Builder(context)
+    //                 .setUseLazyPreparation(!shouldAutoplay)
+    //                 .build();
+    //         player.setPlayWhenReady(shouldAutoplay);
+    //
+    //         final View btnComments = itemView.findViewById(R.id.btnComments);
+    //         if (btnComments != null) {
+    //             if (feedModel.getCommentsCount() <= 0) btnComments.setEnabled(false);
+    //             else {
+    //                 btnComments.setTag(feedModel);
+    //                 btnComments.setEnabled(true);
+    //                 btnComments.setOnClickListener(commentClickListener);
+    //             }
+    //         }
+    //         playerView.setPlayer(player);
+    //         btnMute = itemView.findViewById(R.id.btnMute);
+    //         float vol = settingsHelper.getBoolean(Constants.MUTED_VIDEOS) ? 0f : 1f;
+    //         if (vol == 0f && Utils.sessionVolumeFull) vol = 1f;
+    //         player.setVolume(vol);
+    //
+    //         if (btnMute != null) {
+    //             btnMute.setVisibility(View.VISIBLE);
+    //             btnMute.setImageResource(vol == 0f ? R.drawable.vol : R.drawable.mute);
+    //             btnMute.setOnClickListener(muteClickListener);
+    //         }
+    //         final DataSource.Factory factory = cacheDataSourceFactory != null ? cacheDataSourceFactory : dataSourceFactory;
+    //         final ProgressiveMediaSource.Factory sourceFactory = new ProgressiveMediaSource.Factory(factory);
+    //         final ProgressiveMediaSource mediaSource = sourceFactory.createMediaSource(Uri.parse(feedModel.getDisplayUrl()));
+    //
+    //         player.setRepeatMode(Player.REPEAT_MODE_ALL);
+    //         player.prepare(mediaSource);
+    //         player.setVolume(vol);
+    //
+    //         playerView.setOnClickListener(v -> player.setPlayWhenReady(!player.getPlayWhenReady()));
+    //
+    //         if (videoChangeCallback != null) videoChangeCallback.playerChanged(itemPos, player);
+    //     }
+    //
+    //     private void releaseVideo(final int itemPos, final RecyclerView recyclerView, final View itemView) {
+    // //                    Log.d("AWAISKING_APP", "release: " + itemPos);
+    // //         if (player != null) {
+    // //             player.stop(true);
+    // //             player.release();
+    // //         }
+    // //         player = null;
+    //     }
+    //
+    //     private void playVideo(final int itemPos, final RecyclerView recyclerView, final View itemView) {
+    // //                    if (player != null) {
+    // //                        final int playbackState = player.getPlaybackState();
+    // //                        if (!player.isPlaying()
+    // //                               || playbackState == Player.STATE_READY || playbackState == Player.STATE_ENDED
+    // //                        ) {
+    // //                            player.setPlayWhenReady(true);
+    // //                        }
+    // //                    }
+    // //                    if (player != null) {
+    // //                        player.setPlayWhenReady(true);
+    // //                        player.getPlaybackState();
+    // //                    }
+    //     }
+    //
+    //     private void stopVideo(final int itemPos, final RecyclerView recyclerView, final View itemView) {
+    //         if (player != null) {
+    //             player.setPlayWhenReady(false);
+    //             player.getPlaybackState();
+    //         }
+    //     }
 
     public interface VideoChangeCallback {
         void playerChanged(final int itemPos, final SimpleExoPlayer player);

app/src/main/java/awais/instagrabber/dialogs/PostsLayoutPreferencesDialogFragment.java

@@ -0,0 +1,219 @@
+package awais.instagrabber.dialogs;
+
+import android.app.Dialog;
+import android.content.Context;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.Window;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.DialogFragment;
+
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
+import awais.instagrabber.R;
+import awais.instagrabber.databinding.DialogPostLayoutPreferencesBinding;
+import awais.instagrabber.models.PostsLayoutPreferences;
+import awais.instagrabber.utils.Constants;
+
+import static awais.instagrabber.utils.Utils.settingsHelper;
+
+public class PostsLayoutPreferencesDialogFragment extends DialogFragment {
+
+    private final PostsLayoutPreferences.Builder preferencesBuilder;
+    @NonNull
+    private final OnApplyListener onApplyListener;
+    private DialogPostLayoutPreferencesBinding binding;
+    private Context context;
+
+    public PostsLayoutPreferencesDialogFragment(@NonNull final OnApplyListener onApplyListener) {
+        final PostsLayoutPreferences preferences = PostsLayoutPreferences.fromJson(settingsHelper.getString(Constants.PREF_POSTS_LAYOUT));
+        this.preferencesBuilder = PostsLayoutPreferences.builder().mergeFrom(preferences);
+        this.onApplyListener = onApplyListener;
+    }
+
+    @Override
+    public void onAttach(@NonNull final Context context) {
+        super.onAttach(context);
+        this.context = context;
+    }
+
+    @NonNull
+    @Override
+    public Dialog onCreateDialog(@Nullable final Bundle savedInstanceState) {
+        binding = DialogPostLayoutPreferencesBinding.inflate(LayoutInflater.from(context), null, false);
+        init();
+        return new MaterialAlertDialogBuilder(context)
+                .setView(binding.getRoot())
+                .setPositiveButton(R.string.apply, (dialog, which) -> {
+                    final PostsLayoutPreferences preferences = preferencesBuilder.build();
+                    final String json = preferences.getJson();
+                    settingsHelper.putString(Constants.PREF_POSTS_LAYOUT, json);
+                    onApplyListener.onApply(preferences);
+                })
+                .create();
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        final Dialog dialog = getDialog();
+        if (dialog == null) return;
+        final Window window = dialog.getWindow();
+        if (window == null) return;
+        window.setWindowAnimations(R.style.dialog_window_animation);
+    }
+
+    private void init() {
+        initLayoutToggle();
+        if (preferencesBuilder.getType() != PostsLayoutPreferences.PostsLayoutType.LINEAR) {
+            initStaggeredOrGridOptions();
+        }
+    }
+
+    private void initStaggeredOrGridOptions() {
+        initColCountToggle();
+        initNamesToggle();
+        initAvatarsToggle();
+        initCornersToggle();
+        initGapToggle();
+    }
+
+    private void initLayoutToggle() {
+        binding.layoutToggle.check(getSelectedLayoutId());
+        // binding.staggeredOrGridOptions.setVisibility(getSelectedLayoutId() != R.id.layout_linear ? View.VISIBLE : View.GONE);
+        binding.layoutToggle.addOnButtonCheckedListener((group, checkedId, isChecked) -> {
+            if (isChecked) {
+                switch (checkedId) {
+                    case R.id.layout_linear:
+                        preferencesBuilder.setType(PostsLayoutPreferences.PostsLayoutType.LINEAR);
+                        binding.staggeredOrGridOptions.setVisibility(View.GONE);
+                        break;
+                    case R.id.layout_staggered:
+                        preferencesBuilder.setType(PostsLayoutPreferences.PostsLayoutType.STAGGERED_GRID);
+                        binding.staggeredOrGridOptions.setVisibility(View.VISIBLE);
+                        initStaggeredOrGridOptions();
+                        break;
+                    case R.id.layout_grid:
+                    default:
+                        preferencesBuilder.setType(PostsLayoutPreferences.PostsLayoutType.GRID);
+                        binding.staggeredOrGridOptions.setVisibility(View.VISIBLE);
+                        initStaggeredOrGridOptions();
+                        break;
+                }
+            }
+        });
+    }
+
+    private void initColCountToggle() {
+        binding.colCountToggle.check(getSelectedColCountId());
+        binding.colCountToggle.addOnButtonCheckedListener((group, checkedId, isChecked) -> {
+            if (!isChecked) return;
+            switch (checkedId) {
+                case R.id.col_count_two:
+                    preferencesBuilder.setColCount(2);
+                    break;
+                case R.id.col_count_three:
+                default:
+                    preferencesBuilder.setColCount(3);
+                    break;
+            }
+        });
+    }
+
+    private void initAvatarsToggle() {
+        binding.showAvatarToggle.setChecked(preferencesBuilder.isAvatarVisible());
+        binding.avatarSizeToggle.check(getSelectedAvatarSizeId());
+        binding.showAvatarToggle.setOnCheckedChangeListener((buttonView, isChecked) -> {
+            preferencesBuilder.setAvatarVisible(isChecked);
+            binding.labelAvatarSize.setVisibility(isChecked ? View.VISIBLE : View.GONE);
+            binding.avatarSizeToggle.setVisibility(isChecked ? View.VISIBLE : View.GONE);
+        });
+        binding.labelAvatarSize.setVisibility(preferencesBuilder.isAvatarVisible() ? View.VISIBLE : View.GONE);
+        binding.avatarSizeToggle.setVisibility(preferencesBuilder.isAvatarVisible() ? View.VISIBLE : View.GONE);
+        binding.avatarSizeToggle.addOnButtonCheckedListener((group, checkedId, isChecked) -> {
+            if (!isChecked) return;
+            switch (checkedId) {
+                case R.id.avatar_size_tiny:
+                    preferencesBuilder.setProfilePicSize(PostsLayoutPreferences.ProfilePicSize.TINY);
+                    break;
+                case R.id.avatar_size_small:
+                    preferencesBuilder.setProfilePicSize(PostsLayoutPreferences.ProfilePicSize.SMALL);
+                    break;
+                case R.id.avatar_size_regular:
+                default:
+                    preferencesBuilder.setProfilePicSize(PostsLayoutPreferences.ProfilePicSize.REGULAR);
+                    break;
+            }
+        });
+    }
+
+    private void initNamesToggle() {
+        binding.showNamesToggle.setChecked(preferencesBuilder.isNameVisible());
+        binding.showNamesToggle.setOnCheckedChangeListener((buttonView, isChecked) -> preferencesBuilder.setNameVisible(isChecked));
+    }
+
+    private void initCornersToggle() {
+        binding.cornersToggle.check(getSelectedCornersId());
+        binding.cornersToggle.addOnButtonCheckedListener((group, checkedId, isChecked) -> {
+            if (!isChecked) return;
+            if (checkedId == R.id.corners_round) {
+                preferencesBuilder.setHasRoundedCorners(true);
+                return;
+            }
+            preferencesBuilder.setHasRoundedCorners(false);
+        });
+    }
+
+    private void initGapToggle() {
+        binding.showGapToggle.setChecked(preferencesBuilder.getHasGap());
+        binding.showGapToggle.setOnCheckedChangeListener((buttonView, isChecked) -> preferencesBuilder.setHasGap(isChecked));
+    }
+
+    private int getSelectedLayoutId() {
+        switch (preferencesBuilder.getType()) {
+            case STAGGERED_GRID:
+                return R.id.layout_staggered;
+            case LINEAR:
+                return R.id.layout_linear;
+            default:
+            case GRID:
+                return R.id.layout_grid;
+        }
+    }
+
+    private int getSelectedColCountId() {
+        switch (preferencesBuilder.getColCount()) {
+            case 2:
+                return R.id.col_count_two;
+            case 3:
+            default:
+                return R.id.col_count_three;
+        }
+    }
+
+    private int getSelectedCornersId() {
+        if (preferencesBuilder.getHasRoundedCorners()) {
+            return R.id.corners_round;
+        }
+        return R.id.corners_square;
+    }
+
+    private int getSelectedAvatarSizeId() {
+        switch (preferencesBuilder.getProfilePicSize()) {
+            case TINY:
+                return R.id.avatar_size_tiny;
+            case SMALL:
+                return R.id.avatar_size_small;
+            case REGULAR:
+            default:
+                return R.id.avatar_size_regular;
+        }
+    }
+
+    public interface OnApplyListener {
+        void onApply(final PostsLayoutPreferences preferences);
+    }
+}

app/src/main/java/awais/instagrabber/directdownload/DirectDownload.java

@@ -21,15 +21,16 @@ import androidx.core.app.NotificationCompat;
 import androidx.core.app.NotificationManagerCompat;
 import androidx.core.content.ContextCompat;
 
-import java.util.Arrays;
+import java.util.Collections;
 
 import awais.instagrabber.R;
 import awais.instagrabber.asyncs.PostFetcher;
 import awais.instagrabber.interfaces.FetchListener;
+import awais.instagrabber.models.FeedModel;
 import awais.instagrabber.models.IntentModel;
-import awais.instagrabber.models.ViewerPostModel;
 import awais.instagrabber.models.enums.DownloadMethod;
 import awais.instagrabber.models.enums.IntentModelType;
+import awais.instagrabber.models.enums.MediaItemType;
 import awais.instagrabber.utils.Constants;
 import awais.instagrabber.utils.DownloadUtils;
 import awais.instagrabber.utils.IntentUtils;
@@ -115,7 +116,7 @@ public final class DirectDownload extends Activity {
             if (model != null && model.getType() == IntentModelType.POST) {
                 final String text = model.getText();
 
-                new PostFetcher(text, new FetchListener<ViewerPostModel[]>() {
+                new PostFetcher(text, new FetchListener<FeedModel>() {
                     @Override
                     public void doBefore() {
                         final Notification fetchingPostNotif = new NotificationCompat.Builder(context, Constants.DOWNLOAD_CHANNEL_ID)
@@ -126,13 +127,15 @@ public final class DirectDownload extends Activity {
                     }
 
                     @Override
-                    public void onResult(final ViewerPostModel[] result) {
+                    public void onResult(final FeedModel result) {
                         if (notificationManager != null) notificationManager.cancel(1900000000);
                         if (result != null) {
-                            if (result.length == 1) {
-                                DownloadUtils.batchDownload(context, result[0].getProfileModel().getUsername(), DownloadMethod.DOWNLOAD_DIRECT,
-                                                            Arrays.asList(result));
-                            } else if (result.length > 1) {
+                            if (result.getItemType() != MediaItemType.MEDIA_TYPE_SLIDER) {
+                                DownloadUtils.batchDownload(context,
+                                                            result.getProfileModel().getUsername(),
+                                                            DownloadMethod.DOWNLOAD_DIRECT,
+                                                            Collections.singletonList(result));
+                            } else {
                                 context.startActivity(new Intent(context, MultiDirectDialog.class)
                                                               .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS)
                                                               .putExtra(Constants.EXTRAS_POST, result));

app/src/main/java/awais/instagrabber/directdownload/MultiDirectDialog.java

@@ -18,8 +18,8 @@ import awais.instagrabber.adapters.PostsAdapter;
 import awais.instagrabber.customviews.helpers.GridAutofitLayoutManager;
 import awais.instagrabber.customviews.helpers.GridSpacingItemDecoration;
 import awais.instagrabber.models.BasePostModel;
+import awais.instagrabber.models.FeedModel;
 import awais.instagrabber.models.PostModel;
-import awais.instagrabber.models.ViewerPostModel;
 import awais.instagrabber.models.enums.DownloadMethod;
 import awais.instagrabber.utils.Constants;
 import awais.instagrabber.utils.DownloadUtils;
@@ -39,30 +39,29 @@ public final class MultiDirectDialog extends BaseLanguageActivity {
         final Toolbar toolbar = findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
 
-        final ViewerPostModel[] postModels;
+        final FeedModel feedModel;
         final Intent intent = getIntent();
         if (intent == null || !intent.hasExtra(Constants.EXTRAS_POST)
-                || (postModels = (ViewerPostModel[]) intent.getSerializableExtra(Constants.EXTRAS_POST)) == null) {
+                || (feedModel = (FeedModel) intent.getSerializableExtra(Constants.EXTRAS_POST)) == null) {
             Utils.errorFinish(this);
             return;
         }
 
-        username = postModels[0].getProfileModel().getUsername();
+        username = feedModel.getProfileModel().getUsername();
         toolbar.setTitle(username);
-        toolbar.setSubtitle(postModels[0].getShortCode());
+        toolbar.setSubtitle(feedModel.getShortCode());
 
         final RecyclerView recyclerView = findViewById(R.id.mainPosts);
         recyclerView.setNestedScrollingEnabled(false);
         recyclerView.setLayoutManager(new GridAutofitLayoutManager(this, Utils.convertDpToPx(130)));
         recyclerView.addItemDecoration(new GridSpacingItemDecoration(Utils.convertDpToPx(4)));
+        // final ArrayList<PostModel> models = new ArrayList<>(feedModel.length - 1);
+        // for (final ViewerPostModel postModel : feedModel)
+        //     models.add(new PostModel(postModel.getItemType(), postModel.getPostId(), postModel.getDisplayUrl(),
+        //                              postModel.getDisplayUrl(), postModel.getShortCode(), postModel.getPostCaption(), postModel.getTimestamp(),
+        //                              postModel.getLike(), postModel.isSaved(), postModel.getLikes()));
 
-        final ArrayList<PostModel> models = new ArrayList<>(postModels.length - 1);
-        for (final ViewerPostModel postModel : postModels)
-            models.add(new PostModel(postModel.getItemType(), postModel.getPostId(), postModel.getDisplayUrl(),
-                    postModel.getSliderDisplayUrl(), postModel.getShortCode(), postModel.getPostCaption(), postModel.getTimestamp(),
-                    postModel.getLike(), postModel.getBookmark(), postModel.getLikes()));
-
-        // postsAdapter = new PostsAdapter(models, v -> {
+        // postsAdapter = new PostsAdapter(v -> {
         //     final Object tag = v.getTag();
         //     if (tag instanceof PostModel) {
         //         final PostModel postModel = (PostModel) tag;
@@ -80,8 +79,8 @@ public final class MultiDirectDialog extends BaseLanguageActivity {
         //     }
         //     return true;
         // });
-
-        recyclerView.setAdapter(postsAdapter);
+        //
+        // recyclerView.setAdapter(postsAdapter);
     }
 
     @Override

app/src/main/java/awais/instagrabber/fragments/LocationFragment.java

@@ -327,8 +327,8 @@ public class LocationFragment extends Fragment implements SwipeRefreshLayout.OnR
         binding.mainLocPostCount.setVisibility(View.VISIBLE);
         binding.locationFullName.setText(locationModel.getName());
         CharSequence biography = locationModel.getBio();
-        binding.locationBiography.setCaptionIsExpandable(true);
-        binding.locationBiography.setCaptionIsExpanded(true);
+        // binding.locationBiography.setCaptionIsExpandable(true);
+        // binding.locationBiography.setCaptionIsExpanded(true);
 
         if (TextUtils.isEmpty(biography)) {
             binding.locationBiography.setVisibility(View.GONE);

app/src/main/java/awais/instagrabber/fragments/PostViewFragment.java

@@ -1,342 +1,340 @@
-package awais.instagrabber.fragments;
-
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.pm.PackageManager;
-import android.os.AsyncTask;
-import android.os.Bundle;
-import android.util.Log;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
-import androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentActivity;
-import androidx.lifecycle.ViewModelProvider;
-import androidx.navigation.NavDirections;
-import androidx.navigation.fragment.NavHostFragment;
-import androidx.viewpager2.widget.ViewPager2;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-
-import awais.instagrabber.R;
-import awais.instagrabber.adapters.PostViewAdapter;
-import awais.instagrabber.adapters.PostViewAdapter.OnPostViewChildViewClickListener;
-import awais.instagrabber.asyncs.PostFetcher;
-import awais.instagrabber.asyncs.i.iPostFetcher;
-import awais.instagrabber.databinding.FragmentPostViewBinding;
-import awais.instagrabber.interfaces.FetchListener;
-import awais.instagrabber.interfaces.MentionClickListener;
-import awais.instagrabber.models.ViewerPostModel;
-import awais.instagrabber.models.ViewerPostModelWrapper;
-import awais.instagrabber.models.enums.DownloadMethod;
-import awais.instagrabber.utils.Constants;
-import awais.instagrabber.utils.CookieUtils;
-import awais.instagrabber.utils.DownloadUtils;
-import awais.instagrabber.utils.Utils;
-import awais.instagrabber.viewmodels.ViewerPostViewModel;
-import awais.instagrabber.webservices.MediaService;
-import awais.instagrabber.webservices.ServiceCallback;
-
-import static androidx.core.content.ContextCompat.checkSelfPermission;
-import static awais.instagrabber.utils.Utils.settingsHelper;
-
-public class PostViewFragment extends Fragment {
-    private static final String TAG = "PostViewFragment";
-    private static final String COOKIE = settingsHelper.getString(Constants.COOKIE);
-
-    private FragmentActivity fragmentActivity;
-    private FragmentPostViewBinding binding;
-    private ViewPager2 root;
-    private boolean shouldRefresh = true;
-    private ViewerPostViewModel viewerPostViewModel;
-    private boolean isId;
-    private int currentPostIndex;
-    private List<String> idOrCodeList;
-    private boolean hasInitialResult = false;
-    private PostViewAdapter adapter;
-    private boolean session;
-    private MediaService mediaService;
-
-    private FetchListener<ViewerPostModel[]> pfl = result -> {
-        if (result == null) return;
-        if (result.length <= 0) return;
-        final List<ViewerPostModelWrapper> viewerPostModels = viewerPostViewModel.getList().getValue();
-        final List<ViewerPostModelWrapper> temp = viewerPostModels == null ? new ArrayList<>(idOrCodeList.size())
-                                                                           : new ArrayList<>(viewerPostModels);
-        final ViewerPostModel firstPost = result[0];
-        if (firstPost == null) return;
-        String idOrCode = isId ? firstPost.getPostId() : firstPost.getShortCode();
-        if (idOrCode == null) return;
-        if (isId) {
-            // the post id is appended with `_` in the result
-            idOrCode = idOrCode.substring(0, idOrCode.indexOf('_'));
-        }
-        final int index = idOrCodeList.indexOf(idOrCode);
-        if (index < 0) return;
-        final ViewerPostModelWrapper viewerPostModelWrapper = temp.get(index);
-        viewerPostModelWrapper.setViewerPostModels(result);
-        temp.set(index, viewerPostModelWrapper);
-        viewerPostViewModel.getList().setValue(temp);
-        adapter.notifyItemChanged(index);
-        if (!hasInitialResult) {
-            Log.d(TAG, "setting delayed position to: " + currentPostIndex);
-            binding.getRoot()
-                   .postDelayed(() -> binding.getRoot().setCurrentItem(currentPostIndex), 200);
-        }
-        hasInitialResult = true;
-    };
-    private MentionClickListener mentionListener = (view, text, isHashtag, isLocation) -> {
-        if (isHashtag) {
-            final NavDirections action = PostViewFragmentDirections
-                    .actionGlobalHashTagFragment(text);
-            NavHostFragment.findNavController(this).navigate(action);
-            return;
-        }
-        if (isLocation) {
-            final NavDirections action = PostViewFragmentDirections
-                    .actionGlobalLocationFragment(text);
-            NavHostFragment.findNavController(this).navigate(action);
-            return;
-        }
-        final NavDirections action = PostViewFragmentDirections
-                .actionGlobalProfileFragment("@" + text);
-        NavHostFragment.findNavController(this).navigate(action);
-    };
-    private OnPostViewChildViewClickListener clickListener = (v, wrapper, postPosition, childPosition) -> {
-        final ViewerPostModel postModel = wrapper.getViewerPostModels()[0];
-        final String username = postModel.getProfileModel().getUsername();
-        final int id = v.getId();
-        switch (id) {
-            case R.id.viewerCaption:
-                break;
-            case R.id.btnComments:
-                String postId = postModel.getPostId();
-                if (postId.contains("_")) postId = postId.substring(0, postId.indexOf("_"));
-                final NavDirections commentsAction = PostViewFragmentDirections.actionGlobalCommentsViewerFragment(
-                        postModel.getShortCode(),
-                        postId,
-                        postModel.getProfileModel().getId()
-                );
-                NavHostFragment.findNavController(this).navigate(commentsAction);
-                break;
-            case R.id.btnDownload:
-                final Context context = getContext();
-                if (context == null) return;
-                if (checkSelfPermission(context,
-                                        DownloadUtils.PERMS[0]) == PackageManager.PERMISSION_GRANTED) {
-                    showDownloadDialog(Arrays.asList(wrapper.getViewerPostModels()),
-                                       childPosition,
-                                       username);
-                    return;
-                }
-                requestPermissions(DownloadUtils.PERMS, 8020);
-                break;
-            case R.id.ivProfilePic:
-            case R.id.title:
-                mentionListener.onClick(null, username, false, false);
-                break;
-            case R.id.btnLike:
-                if (mediaService != null) {
-                    final String userId = CookieUtils.getUserIdFromCookie(COOKIE);
-                    final String csrfToken = CookieUtils.getCsrfTokenFromCookie(COOKIE);
-                    v.setEnabled(false);
-                    final ServiceCallback<Boolean> likeCallback = new ServiceCallback<Boolean>() {
-                        @Override
-                        public void onSuccess(final Boolean result) {
-                            v.setEnabled(true);
-                            if (result) {
-                                postModel.setManualLike(!postModel.getLike());
-                                adapter.notifyItemChanged(postPosition);
-                                return;
-                            }
-                            Log.e(TAG, "like/unlike unsuccessful!");
-                        }
-
-                        @Override
-                        public void onFailure(final Throwable t) {
-                            v.setEnabled(true);
-                            Log.e(TAG, "Error during like/unlike", t);
-                        }
-                    };
-                    if (!postModel.getLike()) {
-                        mediaService.like(postModel.getPostId(), userId, csrfToken, likeCallback);
-                    } else {
-                        mediaService.unlike(postModel.getPostId(), userId, csrfToken, likeCallback);
-                    }
-                }
-                break;
-            case R.id.btnBookmark:
-                if (mediaService != null) {
-                    final String userId = CookieUtils.getUserIdFromCookie(COOKIE);
-                    final String csrfToken = CookieUtils.getCsrfTokenFromCookie(COOKIE);
-                    v.setEnabled(false);
-                    final ServiceCallback<Boolean> saveCallback = new ServiceCallback<Boolean>() {
-                        @Override
-                        public void onSuccess(final Boolean result) {
-                            v.setEnabled(true);
-                            if (result) {
-                                postModel.setBookmarked(!postModel.getBookmark());
-                                adapter.notifyItemChanged(postPosition);
-                                return;
-                            }
-                            Log.e(TAG, "save/unsave unsuccessful!");
-                        }
-
-                        @Override
-                        public void onFailure(final Throwable t) {
-                            v.setEnabled(true);
-                            Log.e(TAG, "Error during save/unsave", t);
-                        }
-                    };
-                    if (!postModel.getBookmark()) {
-                        mediaService.save(postModel.getPostId(), userId, csrfToken, saveCallback);
-                    } else {
-                        mediaService.unsave(postModel.getPostId(), userId, csrfToken, saveCallback);
-                    }
-                }
-                break;
-        }
-    };
-    private PostViewAdapter.OnPostCaptionLongClickListener captionLongClickListener = text -> {
-        final Context context = getContext();
-        if (context == null) return;
-        Utils.copyText(context, text);
-    };
-
-    @Override
-    public void onCreate(@Nullable final Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        fragmentActivity = getActivity();
-        mediaService = MediaService.getInstance();
-    }
-
-    @Nullable
-    @Override
-    public View onCreateView(@NonNull final LayoutInflater inflater,
-                             @Nullable final ViewGroup container,
-                             @Nullable final Bundle savedInstanceState) {
-        if (root != null) {
-            shouldRefresh = false;
-            return root;
-        }
-        binding = FragmentPostViewBinding.inflate(inflater, container, false);
-        root = binding.getRoot();
-        setupViewPager();
-        return root;
-    }
-
-    @Override
-    public void onViewCreated(@NonNull final View view, @Nullable final Bundle savedInstanceState) {
-        if (!shouldRefresh) return;
-        init();
-        shouldRefresh = false;
-    }
-
-    private void setupViewPager() {
-        viewerPostViewModel = new ViewModelProvider(fragmentActivity)
-                .get(ViewerPostViewModel.class);
-        adapter = new PostViewAdapter(clickListener, captionLongClickListener, mentionListener);
-        root.setAdapter(adapter);
-        root.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {
-
-            @Override
-            public void onPageSelected(final int position) {
-                // Log.d(TAG, "onPageSelected: " + position + ", hasInitialResult: " + hasInitialResult);
-                if (!hasInitialResult) {
-                    return;
-                }
-                currentPostIndex = position;
-                fetchPost();
-            }
-        });
-        viewerPostViewModel.getList().observe(fragmentActivity, list -> adapter.submitList(list));
-    }
-
-    private void init() {
-        if (getArguments() == null) return;
-        final PostViewFragmentArgs fragmentArgs = PostViewFragmentArgs.fromBundle(getArguments());
-        final String[] idOrCodeArray = fragmentArgs.getIdOrCodeArray();
-        if (idOrCodeArray.length == 0) return;
-        currentPostIndex = fragmentArgs.getIndex();
-        if (currentPostIndex < 0) return;
-        if (currentPostIndex >= idOrCodeArray.length) return;
-        idOrCodeList = Arrays.asList(idOrCodeArray);
-        viewerPostViewModel.getList().setValue(createPlaceholderModels(idOrCodeArray.length));
-        isId = fragmentArgs.getIsId();
-        fetchPost();
-    }
-
-    private List<ViewerPostModelWrapper> createPlaceholderModels(final int size) {
-        final List<ViewerPostModelWrapper> viewerPostModels = new ArrayList<>(size);
-        for (int i = 0; i < size; i++) {
-            // viewerPostModels.add(new ViewerPostModel[]{ViewerPostModel.getDefaultModel(-i, "")});
-            viewerPostModels.add(new ViewerPostModelWrapper(i, null));
-        }
-        return viewerPostModels;
-    }
-
-    private void fetchPost() {
-        // Log.d(TAG, "fetchPost, currentPostIndex: " + currentPostIndex);
-        final List<ViewerPostModelWrapper> list = viewerPostViewModel.getList().getValue();
-        if (list != null) {
-            final ViewerPostModelWrapper viewerPostModels = list.get(currentPostIndex);
-            if (viewerPostModels != null && viewerPostModels
-                    .getViewerPostModels() != null && viewerPostModels
-                    .getViewerPostModels().length > 0) {
-                Log.d(TAG, "returning without fetching");
-                return;
-            }
-        }
-        if (currentPostIndex >= idOrCodeList.size() || currentPostIndex < 0) return;
-        final String idOrShortCode = idOrCodeList.get(currentPostIndex);
-        if (isId) {
-            new iPostFetcher(idOrShortCode, pfl).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-            return;
-        }
-        new PostFetcher(idOrShortCode, pfl).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-    }
-
-    private void showDownloadDialog(final List<ViewerPostModel> postModels,
-                                    final int childPosition,
-                                    final String username) {
-        final List<ViewerPostModel> postModelsToDownload = new ArrayList<>();
-        final Context context = getContext();
-        if (context == null) return;
-        if (!session && postModels.size() > 1) {
-            final DialogInterface.OnClickListener clickListener = (dialog, which) -> {
-                if (which == DialogInterface.BUTTON_NEGATIVE) {
-                    postModelsToDownload.addAll(postModels);
-                } else if (which == DialogInterface.BUTTON_POSITIVE) {
-                    postModelsToDownload.add(postModels.get(childPosition));
-                } else {
-                    session = true;
-                    postModelsToDownload.add(postModels.get(childPosition));
-                }
-                if (postModelsToDownload.size() > 0) {
-                    DownloadUtils.batchDownload(context,
-                                                username,
-                                                DownloadMethod.DOWNLOAD_POST_VIEWER,
-                                                postModelsToDownload);
-                }
-            };
-            new AlertDialog.Builder(context)
-                    .setTitle(R.string.post_viewer_download_dialog_title)
-                    .setMessage(R.string.post_viewer_download_message)
-                    .setNeutralButton(R.string.post_viewer_download_session, clickListener)
-                    .setPositiveButton(R.string.post_viewer_download_current, clickListener)
-                    .setNegativeButton(R.string.post_viewer_download_album, clickListener).show();
-        } else {
-            DownloadUtils.batchDownload(context,
-                                        username,
-                                        DownloadMethod.DOWNLOAD_POST_VIEWER,
-                                        Collections.singletonList(postModels.get(childPosition)));
-        }
-    }
-}
+// package awais.instagrabber.fragments;
+//
+// import android.content.Context;
+// import android.content.DialogInterface;
+// import android.content.pm.PackageManager;
+// import android.os.AsyncTask;
+// import android.os.Bundle;
+// import android.util.Log;
+// import android.view.LayoutInflater;
+// import android.view.View;
+// import android.view.ViewGroup;
+//
+// import androidx.annotation.NonNull;
+// import androidx.annotation.Nullable;
+// import androidx.appcompat.app.AlertDialog;
+// import androidx.fragment.app.Fragment;
+// import androidx.fragment.app.FragmentActivity;
+// import androidx.lifecycle.ViewModelProvider;
+// import androidx.navigation.NavDirections;
+// import androidx.navigation.fragment.NavHostFragment;
+// import androidx.viewpager2.widget.ViewPager2;
+//
+// import java.util.ArrayList;
+// import java.util.Arrays;
+// import java.util.Collections;
+// import java.util.List;
+//
+// import awais.instagrabber.R;
+// import awais.instagrabber.adapters.PostViewAdapter;
+// import awais.instagrabber.adapters.PostViewAdapter.OnPostViewChildViewClickListener;
+// import awais.instagrabber.asyncs.PostFetcher;
+// import awais.instagrabber.asyncs.i.iPostFetcher;
+// import awais.instagrabber.databinding.FragmentPostViewBinding;
+// import awais.instagrabber.interfaces.FetchListener;
+// import awais.instagrabber.interfaces.MentionClickListener;
+// import awais.instagrabber.models.FeedModel;
+// import awais.instagrabber.models.ViewerPostModel;
+// import awais.instagrabber.models.ViewerPostModelWrapper;
+// import awais.instagrabber.models.enums.DownloadMethod;
+// import awais.instagrabber.utils.Constants;
+// import awais.instagrabber.utils.CookieUtils;
+// import awais.instagrabber.utils.DownloadUtils;
+// import awais.instagrabber.utils.Utils;
+// import awais.instagrabber.viewmodels.ViewerPostViewModel;
+// import awais.instagrabber.webservices.MediaService;
+// import awais.instagrabber.webservices.ServiceCallback;
+//
+// import static androidx.core.content.ContextCompat.checkSelfPermission;
+// import static awais.instagrabber.utils.Utils.settingsHelper;
+//
+// public class PostViewFragment extends Fragment {
+//     private static final String TAG = "PostViewFragment";
+//     private static final String COOKIE = settingsHelper.getString(Constants.COOKIE);
+//
+//     private FragmentActivity fragmentActivity;
+//     private FragmentPostViewBinding binding;
+//     private ViewPager2 root;
+//     private boolean shouldRefresh = true;
+//     private ViewerPostViewModel viewerPostViewModel;
+//     private boolean isId;
+//     private int currentPostIndex;
+//     private List<String> idOrCodeList;
+//     private boolean hasInitialResult = false;
+//     private PostViewAdapter adapter;
+//     private boolean session;
+//     private MediaService mediaService;
+//
+//     private FetchListener<FeedModel> pfl = result -> {
+//         if (result == null) return;
+//         final List<ViewerPostModelWrapper> viewerPostModels = viewerPostViewModel.getList().getValue();
+//         final List<ViewerPostModelWrapper> temp = viewerPostModels == null ? new ArrayList<>(idOrCodeList.size())
+//                                                                            : new ArrayList<>(viewerPostModels);
+//         String idOrCode = isId ? result.getPostId() : result.getShortCode();
+//         if (idOrCode == null) return;
+//         if (isId) {
+//             // the post id is appended with `_` in the result
+//             idOrCode = idOrCode.substring(0, idOrCode.indexOf('_'));
+//         }
+//         final int index = idOrCodeList.indexOf(idOrCode);
+//         if (index < 0) return;
+//         final ViewerPostModelWrapper viewerPostModelWrapper = temp.get(index);
+//         viewerPostModelWrapper.setViewerPostModels(result.getSliderItems() == null ? Collections.emptyList() : result.getSliderItems());
+//         temp.set(index, viewerPostModelWrapper);
+//         viewerPostViewModel.getList().setValue(temp);
+//         adapter.notifyItemChanged(index);
+//         if (!hasInitialResult) {
+//             Log.d(TAG, "setting delayed position to: " + currentPostIndex);
+//             binding.getRoot()
+//                    .postDelayed(() -> binding.getRoot().setCurrentItem(currentPostIndex), 200);
+//         }
+//         hasInitialResult = true;
+//     };
+//     private MentionClickListener mentionListener = (view, text, isHashtag, isLocation) -> {
+//         if (isHashtag) {
+//             final NavDirections action = PostViewFragmentDirections
+//                     .actionGlobalHashTagFragment(text);
+//             NavHostFragment.findNavController(this).navigate(action);
+//             return;
+//         }
+//         if (isLocation) {
+//             final NavDirections action = PostViewFragmentDirections
+//                     .actionGlobalLocationFragment(text);
+//             NavHostFragment.findNavController(this).navigate(action);
+//             return;
+//         }
+//         final NavDirections action = PostViewFragmentDirections
+//                 .actionGlobalProfileFragment("@" + text);
+//         NavHostFragment.findNavController(this).navigate(action);
+//     };
+//     private OnPostViewChildViewClickListener clickListener = (v, wrapper, postPosition, childPosition) -> {
+//         final ViewerPostModel postModel = wrapper.getViewerPostModels().get(0);
+//         final String username = postModel.getProfileModel().getUsername();
+//         final int id = v.getId();
+//         switch (id) {
+//             case R.id.viewerCaption:
+//                 break;
+//             case R.id.btnComments:
+//                 String postId = postModel.getPostId();
+//                 if (postId.contains("_")) postId = postId.substring(0, postId.indexOf("_"));
+//                 final NavDirections commentsAction = PostViewFragmentDirections.actionGlobalCommentsViewerFragment(
+//                         postModel.getShortCode(),
+//                         postId,
+//                         postModel.getProfileModel().getId()
+//                 );
+//                 NavHostFragment.findNavController(this).navigate(commentsAction);
+//                 break;
+//             case R.id.btnDownload:
+//                 final Context context = getContext();
+//                 if (context == null) return;
+//                 if (checkSelfPermission(context,
+//                                         DownloadUtils.PERMS[0]) == PackageManager.PERMISSION_GRANTED) {
+//                     showDownloadDialog(wrapper.getViewerPostModels(),
+//                                        childPosition,
+//                                        username);
+//                     return;
+//                 }
+//                 requestPermissions(DownloadUtils.PERMS, 8020);
+//                 break;
+//             case R.id.ivProfilePic:
+//             case R.id.title:
+//                 mentionListener.onClick(null, username, false, false);
+//                 break;
+//             case R.id.btnLike:
+//                 if (mediaService != null) {
+//                     final String userId = CookieUtils.getUserIdFromCookie(COOKIE);
+//                     final String csrfToken = CookieUtils.getCsrfTokenFromCookie(COOKIE);
+//                     v.setEnabled(false);
+//                     final ServiceCallback<Boolean> likeCallback = new ServiceCallback<Boolean>() {
+//                         @Override
+//                         public void onSuccess(final Boolean result) {
+//                             v.setEnabled(true);
+//                             if (result) {
+//                                 postModel.setManualLike(!postModel.getLike());
+//                                 adapter.notifyItemChanged(postPosition);
+//                                 return;
+//                             }
+//                             Log.e(TAG, "like/unlike unsuccessful!");
+//                         }
+//
+//                         @Override
+//                         public void onFailure(final Throwable t) {
+//                             v.setEnabled(true);
+//                             Log.e(TAG, "Error during like/unlike", t);
+//                         }
+//                     };
+//                     if (!postModel.getLike()) {
+//                         mediaService.like(postModel.getPostId(), userId, csrfToken, likeCallback);
+//                     } else {
+//                         mediaService.unlike(postModel.getPostId(), userId, csrfToken, likeCallback);
+//                     }
+//                 }
+//                 break;
+//             case R.id.btnBookmark:
+//                 if (mediaService != null) {
+//                     final String userId = CookieUtils.getUserIdFromCookie(COOKIE);
+//                     final String csrfToken = CookieUtils.getCsrfTokenFromCookie(COOKIE);
+//                     v.setEnabled(false);
+//                     final ServiceCallback<Boolean> saveCallback = new ServiceCallback<Boolean>() {
+//                         @Override
+//                         public void onSuccess(final Boolean result) {
+//                             v.setEnabled(true);
+//                             if (result) {
+//                                 // postModel.setBookmarked(!postModel.isSaved());
+//                                 adapter.notifyItemChanged(postPosition);
+//                                 return;
+//                             }
+//                             Log.e(TAG, "save/unsave unsuccessful!");
+//                         }
+//
+//                         @Override
+//                         public void onFailure(final Throwable t) {
+//                             v.setEnabled(true);
+//                             Log.e(TAG, "Error during save/unsave", t);
+//                         }
+//                     };
+//                     if (!postModel.isSaved()) {
+//                         mediaService.save(postModel.getPostId(), userId, csrfToken, saveCallback);
+//                     } else {
+//                         mediaService.unsave(postModel.getPostId(), userId, csrfToken, saveCallback);
+//                     }
+//                 }
+//                 break;
+//         }
+//     };
+//     private PostViewAdapter.OnPostCaptionLongClickListener captionLongClickListener = text -> {
+//         final Context context = getContext();
+//         if (context == null) return;
+//         Utils.copyText(context, text);
+//     };
+//
+//     @Override
+//     public void onCreate(@Nullable final Bundle savedInstanceState) {
+//         super.onCreate(savedInstanceState);
+//         fragmentActivity = getActivity();
+//         mediaService = MediaService.getInstance();
+//     }
+//
+//     @Nullable
+//     @Override
+//     public View onCreateView(@NonNull final LayoutInflater inflater,
+//                              @Nullable final ViewGroup container,
+//                              @Nullable final Bundle savedInstanceState) {
+//         if (root != null) {
+//             shouldRefresh = false;
+//             return root;
+//         }
+//         binding = FragmentPostViewBinding.inflate(inflater, container, false);
+//         root = binding.getRoot();
+//         setupViewPager();
+//         return root;
+//     }
+//
+//     @Override
+//     public void onViewCreated(@NonNull final View view, @Nullable final Bundle savedInstanceState) {
+//         if (!shouldRefresh) return;
+//         init();
+//         shouldRefresh = false;
+//     }
+//
+//     private void setupViewPager() {
+//         viewerPostViewModel = new ViewModelProvider(fragmentActivity)
+//                 .get(ViewerPostViewModel.class);
+//         adapter = new PostViewAdapter(clickListener, captionLongClickListener, mentionListener);
+//         root.setAdapter(adapter);
+//         root.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {
+//
+//             @Override
+//             public void onPageSelected(final int position) {
+//                 // Log.d(TAG, "onPageSelected: " + position + ", hasInitialResult: " + hasInitialResult);
+//                 if (!hasInitialResult) {
+//                     return;
+//                 }
+//                 currentPostIndex = position;
+//                 fetchPost();
+//             }
+//         });
+//         viewerPostViewModel.getList().observe(fragmentActivity, list -> adapter.submitList(list));
+//     }
+//
+//     private void init() {
+//         if (getArguments() == null) return;
+//         final PostViewFragmentArgs fragmentArgs = PostViewFragmentArgs.fromBundle(getArguments());
+//         final String[] idOrCodeArray = fragmentArgs.getIdOrCodeArray();
+//         if (idOrCodeArray.length == 0) return;
+//         currentPostIndex = fragmentArgs.getIndex();
+//         if (currentPostIndex < 0) return;
+//         if (currentPostIndex >= idOrCodeArray.length) return;
+//         idOrCodeList = Arrays.asList(idOrCodeArray);
+//         viewerPostViewModel.getList().setValue(createPlaceholderModels(idOrCodeArray.length));
+//         isId = fragmentArgs.getIsId();
+//         fetchPost();
+//     }
+//
+//     private List<ViewerPostModelWrapper> createPlaceholderModels(final int size) {
+//         final List<ViewerPostModelWrapper> viewerPostModels = new ArrayList<>(size);
+//         for (int i = 0; i < size; i++) {
+//             // viewerPostModels.add(new ViewerPostModel[]{ViewerPostModel.getDefaultModel(-i, "")});
+//             viewerPostModels.add(new ViewerPostModelWrapper(i, null));
+//         }
+//         return viewerPostModels;
+//     }
+//
+//     private void fetchPost() {
+//         // Log.d(TAG, "fetchPost, currentPostIndex: " + currentPostIndex);
+//         final List<ViewerPostModelWrapper> list = viewerPostViewModel.getList().getValue();
+//         if (list != null) {
+//             final ViewerPostModelWrapper viewerPostModels = list.get(currentPostIndex);
+//             if (viewerPostModels != null && viewerPostModels
+//                     .getViewerPostModels() != null && viewerPostModels
+//                     .getViewerPostModels().size() > 0) {
+//                 Log.d(TAG, "returning without fetching");
+//                 return;
+//             }
+//         }
+//         if (currentPostIndex >= idOrCodeList.size() || currentPostIndex < 0) return;
+//         final String idOrShortCode = idOrCodeList.get(currentPostIndex);
+//         if (isId) {
+//             new iPostFetcher(idOrShortCode, pfl).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+//             return;
+//         }
+//         new PostFetcher(idOrShortCode, pfl).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+//     }
+//
+//     private void showDownloadDialog(final List<ViewerPostModel> postModels,
+//                                     final int childPosition,
+//                                     final String username) {
+//         final List<ViewerPostModel> postModelsToDownload = new ArrayList<>();
+//         final Context context = getContext();
+//         if (context == null) return;
+//         if (!session && postModels.size() > 1) {
+//             final DialogInterface.OnClickListener clickListener = (dialog, which) -> {
+//                 if (which == DialogInterface.BUTTON_NEGATIVE) {
+//                     postModelsToDownload.addAll(postModels);
+//                 } else if (which == DialogInterface.BUTTON_POSITIVE) {
+//                     postModelsToDownload.add(postModels.get(childPosition));
+//                 } else {
+//                     session = true;
+//                     postModelsToDownload.add(postModels.get(childPosition));
+//                 }
+//                 if (postModelsToDownload.size() > 0) {
+//                     DownloadUtils.batchDownload(context,
+//                                                 username,
+//                                                 DownloadMethod.DOWNLOAD_POST_VIEWER,
+//                                                 postModelsToDownload);
+//                 }
+//             };
+//             new AlertDialog.Builder(context)
+//                     .setTitle(R.string.post_viewer_download_dialog_title)
+//                     .setMessage(R.string.post_viewer_download_message)
+//                     .setNeutralButton(R.string.post_viewer_download_session, clickListener)
+//                     .setPositiveButton(R.string.post_viewer_download_current, clickListener)
+//                     .setNegativeButton(R.string.post_viewer_download_album, clickListener).show();
+//         } else {
+//             DownloadUtils.batchDownload(context,
+//                                         username,
+//                                         DownloadMethod.DOWNLOAD_POST_VIEWER,
+//                                         Collections.singletonList(postModels.get(childPosition)));
+//         }
+//     }
+// }

app/src/main/java/awais/instagrabber/fragments/StoryViewerFragment.java

@@ -45,8 +45,11 @@ import com.facebook.drawee.interfaces.DraweeController;
 import com.facebook.imagepipeline.image.ImageInfo;
 import com.facebook.imagepipeline.request.ImageRequest;
 import com.facebook.imagepipeline.request.ImageRequestBuilder;
+import com.google.android.exoplayer2.MediaItem;
 import com.google.android.exoplayer2.Player;
 import com.google.android.exoplayer2.SimpleExoPlayer;
+import com.google.android.exoplayer2.source.LoadEventInfo;
+import com.google.android.exoplayer2.source.MediaLoadData;
 import com.google.android.exoplayer2.source.MediaSource;
 import com.google.android.exoplayer2.source.MediaSourceEventListener;
 import com.google.android.exoplayer2.source.ProgressiveMediaSource;
@@ -81,7 +84,6 @@ import awais.instagrabber.models.stickers.PollModel;
 import awais.instagrabber.models.stickers.QuestionModel;
 import awais.instagrabber.models.stickers.QuizModel;
 import awais.instagrabber.utils.Constants;
-import awais.instagrabber.utils.CookieUtils;
 import awais.instagrabber.utils.DownloadUtils;
 import awais.instagrabber.utils.TextUtils;
 import awais.instagrabber.utils.Utils;
@@ -622,8 +624,11 @@ public class StoryViewerFragment extends Fragment {
                 final String storyUrl = currentStory.getItemType() == MediaItemType.MEDIA_TYPE_VIDEO
                                         ? currentStory.getVideoUrl()
                                         : currentStory.getStoryUrl();
-                final File saveFile = new File(dir, currentStory.getStoryMediaId() + "_" + currentStory.getTimestamp()
-                        + DownloadUtils.getExtensionFromModel(storyUrl, currentStory));
+                final File saveFile = new File(
+                        dir,
+                        currentStory.getStoryMediaId()
+                                + "_" + currentStory.getTimestamp()
+                                + DownloadUtils.getFileExtensionFromUrl(storyUrl));
 
                 new DownloadAsync(context, storyUrl, saveFile, result -> {
                     final int toastRes = result != null && result.exists() ? R.string.downloader_complete
@@ -687,8 +692,10 @@ public class StoryViewerFragment extends Fragment {
         binding.playerView.setPlayer(player);
         player.setPlayWhenReady(settingsHelper.getBoolean(Constants.AUTOPLAY_VIDEOS));
 
+        final Uri uri = Uri.parse(url);
+        final MediaItem mediaItem = MediaItem.fromUri(uri);
         final ProgressiveMediaSource mediaSource = new ProgressiveMediaSource.Factory(new DefaultDataSourceFactory(context, "instagram"))
-                .createMediaSource(Uri.parse(url));
+                .createMediaSource(mediaItem);
         mediaSource.addEventListener(new Handler(), new MediaSourceEventListener() {
             @Override
             public void onLoadCompleted(final int windowIndex,
@@ -732,7 +739,8 @@ public class StoryViewerFragment extends Fragment {
                 binding.progressView.setVisibility(View.GONE);
             }
         });
-        player.prepare(mediaSource);
+        player.setMediaSource(mediaSource);
+        player.prepare();
 
         binding.playerView.setOnClickListener(v -> {
             if (player != null) {
@@ -751,12 +759,10 @@ public class StoryViewerFragment extends Fragment {
         if (t == '@') {
             final NavDirections action = HashTagFragmentDirections.actionGlobalProfileFragment(username);
             NavHostFragment.findNavController(this).navigate(action);
-        }
-        else if (t == '#') {
+        } else if (t == '#') {
             final NavDirections action = HashTagFragmentDirections.actionGlobalHashTagFragment(username.substring(1));
             NavHostFragment.findNavController(this).navigate(action);
-        }
-        else {
+        } else {
             final NavDirections action = ProfileFragmentDirections.actionGlobalLocationFragment(username.split(" \\(")[1].replace(")", ""));
             NavHostFragment.findNavController(this).navigate(action);
         }

app/src/main/java/awais/instagrabber/fragments/main/FeedFragment.java

@@ -1,18 +1,18 @@
 package awais.instagrabber.fragments.main;
 
 import android.content.Context;
-import android.content.DialogInterface;
-import android.net.Uri;
-import android.os.AsyncTask;
 import android.os.Bundle;
+import android.os.Handler;
 import android.util.Log;
 import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
 import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
@@ -20,47 +20,25 @@ import androidx.navigation.NavDirections;
 import androidx.navigation.fragment.NavHostFragment;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.StaggeredGridLayoutManager;
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 
-import com.facebook.common.executors.UiThreadImmediateExecutorService;
-import com.facebook.datasource.BaseDataSubscriber;
-import com.facebook.datasource.DataSource;
-import com.facebook.drawee.backends.pipeline.Fresco;
-import com.facebook.imagepipeline.request.ImageRequest;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
 
 import awais.instagrabber.R;
 import awais.instagrabber.activities.MainActivity;
-import awais.instagrabber.adapters.FeedAdapter;
 import awais.instagrabber.adapters.FeedStoriesAdapter;
-import awais.instagrabber.adapters.viewholder.feed.FeedItemViewHolder;
-import awais.instagrabber.asyncs.FeedFetcher;
-import awais.instagrabber.customviews.RamboTextView;
-import awais.instagrabber.customviews.helpers.RecyclerLazyLoader;
+import awais.instagrabber.asyncs.FeedPostFetchService;
 import awais.instagrabber.customviews.helpers.VideoAwareRecyclerScroller;
 import awais.instagrabber.databinding.FragmentFeedBinding;
-import awais.instagrabber.interfaces.FetchListener;
+import awais.instagrabber.dialogs.PostsLayoutPreferencesDialogFragment;
+import awais.instagrabber.fragments.PostViewV2Fragment;
 import awais.instagrabber.interfaces.MentionClickListener;
-import awais.instagrabber.models.BasePostModel;
-import awais.instagrabber.models.FeedModel;
 import awais.instagrabber.models.FeedStoryModel;
-import awais.instagrabber.models.PostModel;
-import awais.instagrabber.models.ProfileModel;
-import awais.instagrabber.models.ViewerPostModel;
-import awais.instagrabber.models.enums.DownloadMethod;
-import awais.instagrabber.models.enums.MediaItemType;
+import awais.instagrabber.models.PostsLayoutPreferences;
 import awais.instagrabber.utils.Constants;
-import awais.instagrabber.utils.DownloadUtils;
-import awais.instagrabber.utils.NumberUtils;
 import awais.instagrabber.utils.Utils;
 import awais.instagrabber.viewmodels.FeedStoriesViewModel;
-import awais.instagrabber.viewmodels.FeedViewModel;
 import awais.instagrabber.webservices.ServiceCallback;
 import awais.instagrabber.webservices.StoriesService;
 
@@ -77,98 +55,101 @@ public class FeedFragment extends Fragment implements SwipeRefreshLayout.OnRefre
     private StoriesService storiesService;
     private boolean feedHasNextPage = false;
     private String feedEndCursor = null;
-    private FeedViewModel feedViewModel;
+    // private FeedViewModel feedViewModel;
     private VideoAwareRecyclerScroller videoAwareRecyclerScroller;
     private boolean shouldRefresh = true;
     private boolean isPullToRefresh;
+    private FeedStoriesViewModel feedStoriesViewModel;
+    private StaggeredGridLayoutManager gridLayoutManager;
+    private boolean storiesFetching;
 
     private final boolean shouldAutoPlay = settingsHelper.getBoolean(Constants.AUTOPLAY_VIDEOS);
-    private final FetchListener<FeedModel[]> feedFetchListener = new FetchListener<FeedModel[]>() {
-        @Override
-        public void doBefore() {
-            binding.feedSwipeRefreshLayout.post(() -> binding.feedSwipeRefreshLayout.setRefreshing(true));
-        }
-
-        @Override
-        public void onResult(final FeedModel[] result) {
-            if (result == null || result.length <= 0) {
-                binding.feedSwipeRefreshLayout.setRefreshing(false);
-                return;
-            }
-            final List<FeedModel> currentFeedModelList = feedViewModel.getList().getValue();
-            final Map<String, FeedModel> thumbToFeedMap = new HashMap<>();
-            for (final FeedModel feedModel : result) {
-                thumbToFeedMap.put(feedModel.getThumbnailUrl(), feedModel);
-            }
-            final BaseDataSubscriber<Void> subscriber = new BaseDataSubscriber<Void>() {
-                int success = 0;
-                int failed = 0;
-
-                @Override
-                protected void onNewResultImpl(@NonNull final DataSource<Void> dataSource) {
-                    final Map<String, Object> extras = dataSource.getExtras();
-                    if (extras == null) return;
-                    final Uri thumbUri = (Uri) extras.get("uri_source");
-                    if (thumbUri == null) return;
-                    final Integer encodedWidth = (Integer) extras.get("encoded_width");
-                    final Integer encodedHeight = (Integer) extras.get("encoded_height");
-                    if (encodedWidth == null || encodedHeight == null) return;
-                    final FeedModel feedModel = thumbToFeedMap.get(thumbUri.toString());
-                    if (feedModel == null) return;
-                    int requiredWidth = Utils.displayMetrics.widthPixels;
-                    int resultingHeight = NumberUtils
-                            .getResultingHeight(requiredWidth, encodedHeight, encodedWidth);
-                    if (feedModel
-                            .getItemType() == MediaItemType.MEDIA_TYPE_VIDEO && resultingHeight >= MAX_VIDEO_HEIGHT) {
-                        // If its a video and the height is too large, need to reduce the height,
-                        // so that entire video fits on screen
-                        resultingHeight = RESIZED_VIDEO_HEIGHT;
-                        requiredWidth = NumberUtils.getResultingWidth(RESIZED_VIDEO_HEIGHT,
-                                                                      resultingHeight,
-                                                                      requiredWidth);
-                    }
-                    feedModel.setImageWidth(requiredWidth);
-                    feedModel.setImageHeight(resultingHeight);
-                    success++;
-                    updateAdapter();
-                }
-
-                @Override
-                protected void onFailureImpl(@NonNull final DataSource<Void> dataSource) {
-                    failed++;
-                    updateAdapter();
-                }
-
-                public void updateAdapter() {
-                    if (failed + success != result.length) return;
-                    List<FeedModel> finalList = currentFeedModelList == null || currentFeedModelList.isEmpty()
-                                                ? new ArrayList<>()
-                                                : new ArrayList<>(currentFeedModelList);
-                    final List<FeedModel> resultList = Arrays.asList(result);
-                    if (isPullToRefresh) {
-                        finalList = resultList;
-                        isPullToRefresh = false;
-                    } else {
-                        finalList.addAll(resultList);
-                    }
-                    feedViewModel.getList().postValue(finalList);
-                    final PostModel feedPostModel = result[result.length - 1];
-                    if (feedPostModel != null) {
-                        feedEndCursor = feedPostModel.getEndCursor();
-                        feedHasNextPage = feedPostModel.hasNextPage();
-                        feedPostModel.setPageCursor(false, null);
-                    }
-                    binding.feedSwipeRefreshLayout.setRefreshing(false);
-                }
-            };
-
-            for (final FeedModel feedModel : result) {
-                final DataSource<Void> ds = Fresco.getImagePipeline()
-                                                  .prefetchToBitmapCache(ImageRequest.fromUri(feedModel.getThumbnailUrl()), null);
-                ds.subscribe(subscriber, UiThreadImmediateExecutorService.getInstance());
-            }
-        }
-    };
+    // private final FetchListener<FeedModel[]> feedFetchListener = new FetchListener<FeedModel[]>() {
+    //     @Override
+    //     public void doBefore() {
+    //         binding.feedSwipeRefreshLayout.post(() -> binding.feedSwipeRefreshLayout.setRefreshing(true));
+    //     }
+    //
+    //     @Override
+    //     public void onResult(final FeedModel[] result) {
+    //         if (result == null || result.length <= 0) {
+    //             binding.feedSwipeRefreshLayout.setRefreshing(false);
+    //             return;
+    // }
+    // final List<FeedModel> currentFeedModelList = feedViewModel.getList().getValue();
+    // final Map<String, FeedModel> thumbToFeedMap = new HashMap<>();
+    // for (final FeedModel feedModel : result) {
+    //     thumbToFeedMap.put(feedModel.getThumbnailUrl(), feedModel);
+    // }
+    // final BaseDataSubscriber<Void> subscriber = new BaseDataSubscriber<Void>() {
+    //     int success = 0;
+    //     int failed = 0;
+    //
+    //     @Override
+    //     protected void onNewResultImpl(@NonNull final DataSource<Void> dataSource) {
+    //         final Map<String, Object> extras = dataSource.getExtras();
+    //         if (extras == null) return;
+    //         final Uri thumbUri = (Uri) extras.get("uri_source");
+    //         if (thumbUri == null) return;
+    //         final Integer encodedWidth = (Integer) extras.get("encoded_width");
+    //         final Integer encodedHeight = (Integer) extras.get("encoded_height");
+    //         if (encodedWidth == null || encodedHeight == null) return;
+    //         final FeedModel feedModel = thumbToFeedMap.get(thumbUri.toString());
+    //         if (feedModel == null) return;
+    //         int requiredWidth = Utils.displayMetrics.widthPixels;
+    //         int resultingHeight = NumberUtils
+    //                 .getResultingHeight(requiredWidth, encodedHeight, encodedWidth);
+    //         if (feedModel
+    //                 .getItemType() == MediaItemType.MEDIA_TYPE_VIDEO && resultingHeight >= MAX_VIDEO_HEIGHT) {
+    //             // If its a video and the height is too large, need to reduce the height,
+    //             // so that entire video fits on screen
+    //             resultingHeight = RESIZED_VIDEO_HEIGHT;
+    //             requiredWidth = NumberUtils.getResultingWidth(RESIZED_VIDEO_HEIGHT,
+    //                                                           resultingHeight,
+    //                                                           requiredWidth);
+    //         }
+    //         feedModel.setImageWidth(requiredWidth);
+    //         feedModel.setImageHeight(resultingHeight);
+    //         success++;
+    //         updateAdapter();
+    //     }
+    //
+    //     @Override
+    //     protected void onFailureImpl(@NonNull final DataSource<Void> dataSource) {
+    //         failed++;
+    //         updateAdapter();
+    //     }
+    //
+    //     public void updateAdapter() {
+    //         if (failed + success != result.length) return;
+    //
+    //     }
+    // };
+    // for (final FeedModel feedModel : result) {
+    //     final DataSource<Void> ds = Fresco.getImagePipeline()
+    //                                       .prefetchToBitmapCache(ImageRequest.fromUri(feedModel.getThumbnailUrl()), null);
+    //     ds.subscribe(subscriber, UiThreadImmediateExecutorService.getInstance());
+    // }
+    // List<FeedModel> finalList = currentFeedModelList == null || currentFeedModelList.isEmpty()
+    //                             ? new ArrayList<>()
+    //                             : new ArrayList<>(currentFeedModelList);
+    // final List<FeedModel> resultList = Arrays.asList(result);
+    // if (isPullToRefresh) {
+    //     finalList = resultList;
+    //     isPullToRefresh = false;
+    // } else {
+    //     finalList.addAll(resultList);
+    // }
+    // // feedViewModel.getList().postValue(finalList);
+    // final PostModel feedPostModel = result[result.length - 1];
+    // if (feedPostModel != null) {
+    //     feedEndCursor = feedPostModel.getEndCursor();
+    //     feedHasNextPage = feedPostModel.hasNextPage();
+    //     feedPostModel.setPageCursor(false, null);
+    // }
+    // binding.feedSwipeRefreshLayout.setRefreshing(false);
+    // }
+    // };
     private final MentionClickListener mentionClickListener = (view, text, isHashtag, isLocation) -> {
         if (isHashtag) {
             final NavDirections action = FeedFragmentDirections.actionGlobalHashTagFragment(text);
@@ -184,105 +165,105 @@ public class FeedFragment extends Fragment implements SwipeRefreshLayout.OnRefre
         NavHostFragment.findNavController(this).navigate(action);
     };
     private final View.OnClickListener postViewClickListener = v -> {
-        final Object tag = v.getTag();
-        if (!(tag instanceof FeedModel)) return;
-
-        final FeedModel feedModel = (FeedModel) tag;
-        if (v instanceof RamboTextView) {
-            if (feedModel.isMentionClicked()) feedModel.toggleCaption();
-            feedModel.setMentionClicked(false);
-            if (!FeedItemViewHolder.expandCollapseTextView((RamboTextView) v, feedModel.getPostCaption()))
-                feedModel.toggleCaption();
-            return;
-        }
-
-        final int id = v.getId();
-        switch (id) {
-            case R.id.btnComments:
-                final NavDirections commentsAction = FeedFragmentDirections.actionGlobalCommentsViewerFragment(
-                        feedModel.getShortCode(),
-                        feedModel.getPostId(),
-                        feedModel.getProfileModel().getId()
-                );
-                NavHostFragment.findNavController(this).navigate(commentsAction);
-                break;
-            case R.id.viewStoryPost:
-                final List<FeedModel> feedModels = feedViewModel.getList().getValue();
-                if (feedModels == null || feedModels.size() == 0) return;
-                if (feedModels.get(0) == null) return;
-                final String postId = feedModels.get(0).getPostId();
-                final boolean isId = postId != null;
-                final String[] idsOrShortCodes = new String[feedModels.size()];
-                for (int i = 0; i < feedModels.size(); i++) {
-                    idsOrShortCodes[i] = isId ? feedModels.get(i).getPostId()
-                                              : feedModels.get(i).getShortCode();
-                }
-                final NavDirections action = FeedFragmentDirections.actionGlobalPostViewFragment(
-                        feedModel.getPosition(),
-                        idsOrShortCodes,
-                        isId);
-                NavHostFragment.findNavController(this).navigate(action);
-                break;
-
-            case R.id.btnDownload:
-                ProfileModel profileModel = feedModel.getProfileModel();
-                final String username = profileModel != null ? profileModel.getUsername() : null;
-
-                final ViewerPostModel[] sliderItems = feedModel.getSliderItems();
-
-                final Context context = getContext();
-                if (context == null) return;
-                if (feedModel
-                        .getItemType() != MediaItemType.MEDIA_TYPE_SLIDER || sliderItems == null || sliderItems.length == 1)
-                    DownloadUtils.batchDownload(context,
-                                                username,
-                                                DownloadMethod.DOWNLOAD_FEED,
-                                                Collections.singletonList(feedModel));
-                else {
-                    final ArrayList<BasePostModel> postModels = new ArrayList<>();
-                    final DialogInterface.OnClickListener clickListener1 = (dialog, which) -> {
-                        postModels.clear();
-
-                        final boolean breakWhenFoundSelected = which == DialogInterface.BUTTON_POSITIVE;
-
-                        for (final ViewerPostModel sliderItem : sliderItems) {
-                            if (sliderItem != null) {
-                                if (!breakWhenFoundSelected) postModels.add(sliderItem);
-                                else if (sliderItem.isSelected()) {
-                                    postModels.add(sliderItem);
-                                    break;
-                                }
-                            }
-                        }
-
-                        // shows 0 items on first item of viewpager cause onPageSelected hasn't been called yet
-                        if (breakWhenFoundSelected && postModels.size() == 0) {
-                            postModels.add(sliderItems[0]);
-                        }
-                        if (postModels.size() > 0) {
-                            DownloadUtils.batchDownload(context,
-                                                        username,
-                                                        DownloadMethod.DOWNLOAD_FEED,
-                                                        postModels);
-                        }
-                    };
-
-                    new AlertDialog.Builder(context)
-                            .setTitle(R.string.post_viewer_download_dialog_title).setPositiveButton(
-                            R.string.post_viewer_download_current,
-                            clickListener1)
-                            .setNegativeButton(R.string.post_viewer_download_album, clickListener1)
-                            .show();
-                }
-                break;
-
-            case R.id.ivProfilePic:
-                profileModel = feedModel.getProfileModel();
-                if (profileModel != null) mentionClickListener.onClick(null, profileModel.getUsername(), false, false);
-                break;
-        }
+        // gridLayoutManager.setSpanCount(1);
+        // final Object tag = v.getTag();
+        // if (!(tag instanceof FeedModel)) return;
+        //
+        // final FeedModel feedModel = (FeedModel) tag;
+        // if (v instanceof RamboTextView) {
+        //     if (feedModel.isMentionClicked()) feedModel.toggleCaption();
+        //     feedModel.setMentionClicked(false);
+        //     if (!FeedItemViewHolder.expandCollapseTextView((RamboTextView) v, feedModel.getPostCaption()))
+        //         feedModel.toggleCaption();
+        //     return;
+        // }
+        //
+        // final int id = v.getId();
+        // switch (id) {
+        //     case R.id.btnComments:
+        //         final NavDirections commentsAction = FeedFragmentDirections.actionGlobalCommentsViewerFragment(
+        //                 feedModel.getShortCode(),
+        //                 feedModel.getPostId(),
+        //                 feedModel.getProfileModel().getId()
+        //         );
+        //         NavHostFragment.findNavController(this).navigate(commentsAction);
+        //         break;
+        //     // case R.id.viewStoryPost:
+        //     //     final List<FeedModel> feedModels = feedViewModel.getList().getValue();
+        //     //     if (feedModels == null || feedModels.size() == 0) return;
+        //     //     if (feedModels.get(0) == null) return;
+        //     //     final String postId = feedModels.get(0).getPostId();
+        //     //     final boolean isId = postId != null;
+        //     //     final String[] idsOrShortCodes = new String[feedModels.size()];
+        //     //     for (int i = 0; i < feedModels.size(); i++) {
+        //     //         idsOrShortCodes[i] = isId ? feedModels.get(i).getPostId()
+        //     //                                   : feedModels.get(i).getShortCode();
+        //     //     }
+        //     //     final NavDirections action = FeedFragmentDirections.actionGlobalPostViewFragment(
+        //     //             feedModel.getPosition(),
+        //     //             idsOrShortCodes,
+        //     //             isId);
+        //     //     NavHostFragment.findNavController(this).navigate(action);
+        //     //     break;
+        //     case R.id.btnDownload:
+        //         ProfileModel profileModel = feedModel.getProfileModel();
+        //         final String username = profileModel != null ? profileModel.getUsername() : null;
+        //
+        //         final ViewerPostModel[] sliderItems = feedModel.getSliderItems();
+        //
+        //         final Context context = getContext();
+        //         if (context == null) return;
+        //         if (feedModel
+        //                 .getItemType() != MediaItemType.MEDIA_TYPE_SLIDER || sliderItems == null || sliderItems.length == 1)
+        //             DownloadUtils.batchDownload(context,
+        //                                         username,
+        //                                         DownloadMethod.DOWNLOAD_FEED,
+        //                                         Collections.singletonList(feedModel));
+        //         else {
+        //             final ArrayList<BasePostModel> postModels = new ArrayList<>();
+        //             final DialogInterface.OnClickListener clickListener1 = (dialog, which) -> {
+        //                 postModels.clear();
+        //
+        //                 final boolean breakWhenFoundSelected = which == DialogInterface.BUTTON_POSITIVE;
+        //
+        //                 for (final ViewerPostModel sliderItem : sliderItems) {
+        //                     if (sliderItem != null) {
+        //                         if (!breakWhenFoundSelected) postModels.add(sliderItem);
+        //                         else if (sliderItem.isSelected()) {
+        //                             postModels.add(sliderItem);
+        //                             break;
+        //                         }
+        //                     }
+        //                 }
+        //
+        //                 // shows 0 items on first item of viewpager cause onPageSelected hasn't been called yet
+        //                 if (breakWhenFoundSelected && postModels.size() == 0) {
+        //                     postModels.add(sliderItems[0]);
+        //                 }
+        //                 if (postModels.size() > 0) {
+        //                     DownloadUtils.batchDownload(context,
+        //                                                 username,
+        //                                                 DownloadMethod.DOWNLOAD_FEED,
+        //                                                 postModels);
+        //                 }
+        //             };
+        //
+        //             new AlertDialog.Builder(context)
+        //                     .setTitle(R.string.post_viewer_download_dialog_title)
+        //                     .setPositiveButton(R.string.post_viewer_download_current, clickListener1)
+        //                     .setNegativeButton(R.string.post_viewer_download_album, clickListener1)
+        //                     .show();
+        //         }
+        //         break;
+        //
+        //     case R.id.ivProfilePic:
+        //         profileModel = feedModel.getProfileModel();
+        //         if (profileModel != null) mentionClickListener.onClick(null, profileModel.getUsername(), false, false);
+        //         break;
+        //     default:
+        //         break;
+        // }
     };
-    private FeedStoriesViewModel feedStoriesViewModel;
 
     @Override
     public void onCreate(@Nullable final Bundle savedInstanceState) {
@@ -290,6 +271,9 @@ public class FeedFragment extends Fragment implements SwipeRefreshLayout.OnRefre
         fragmentActivity = (MainActivity) requireActivity();
         storiesService = StoriesService.getInstance();
         // feedService = FeedService.getInstance();
+        // final TransitionInflater inflater = TransitionInflater.from(getContext());
+        // setExitTransition(inflater.inflateTransition(android.R.transition.move));
+        setHasOptionsMenu(true);
     }
 
     @Override
@@ -312,6 +296,21 @@ public class FeedFragment extends Fragment implements SwipeRefreshLayout.OnRefre
         setupFeedStories();
         setupFeed();
         shouldRefresh = false;
+        // showPostsLayoutPreferences();
+    }
+
+    @Override
+    public void onCreateOptionsMenu(@NonNull final Menu menu, @NonNull final MenuInflater inflater) {
+        inflater.inflate(R.menu.feed_menu, menu);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(@NonNull final MenuItem item) {
+        if (item.getItemId() == R.id.layout) {
+            showPostsLayoutPreferences();
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
     }
 
     @Override
@@ -335,37 +334,60 @@ public class FeedFragment extends Fragment implements SwipeRefreshLayout.OnRefre
     public void onRefresh() {
         isPullToRefresh = true;
         feedEndCursor = null;
-        fetchFeed();
+        binding.feedRecyclerView.refresh();
         fetchStories();
     }
 
     private void setupFeed() {
-        feedViewModel = new ViewModelProvider(fragmentActivity).get(FeedViewModel.class);
+        // feedViewModel = new ViewModelProvider(fragmentActivity).get(FeedViewModel.class);
         final Context context = getContext();
         if (context == null) return;
-        final LinearLayoutManager layoutManager = new LinearLayoutManager(context);
-        binding.feedRecyclerView.setLayoutManager(layoutManager);
-        binding.feedRecyclerView.setHasFixedSize(true);
-        final FeedAdapter feedAdapter = new FeedAdapter(postViewClickListener, mentionClickListener);
-        feedAdapter.setStateRestorationPolicy(RecyclerView.Adapter.StateRestorationPolicy.PREVENT_WHEN_EMPTY);
-        binding.feedRecyclerView.setAdapter(feedAdapter);
-        feedViewModel.getList().observe(fragmentActivity, feedAdapter::submitList);
-        final RecyclerLazyLoader lazyLoader = new RecyclerLazyLoader(layoutManager, (page, totalItemsCount) -> {
-            if (feedHasNextPage) {
-                fetchFeed();
-            }
-        });
-        if (shouldAutoPlay) {
-            videoAwareRecyclerScroller = new VideoAwareRecyclerScroller();
-            binding.feedRecyclerView.addOnScrollListener(videoAwareRecyclerScroller);
-        }
-        binding.feedRecyclerView.addOnScrollListener(lazyLoader);
-        fetchFeed();
+        // final PostFetcher.PostFetchService feedPostsFetchService = new PostFetcher.PostFetchService() {
+        //     @Override
+        //     public void fetch(final int page, final FetchListener<List<FeedModel>> fetchListener) {
+        //         new FeedFetcher(feedEndCursor, fetchListener).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+        //     }
+        // };
+        binding.feedRecyclerView.setViewModelStoreOwner(this)
+                                .setLifeCycleOwner(this)
+                                .setPostFetchService(new FeedPostFetchService())
+                                .setLayoutPreferences(PostsLayoutPreferences.fromJson(settingsHelper.getString(Constants.PREF_POSTS_LAYOUT)))
+                                .addFetchStatusChangeListener(fetching -> updateSwipeRefreshState())
+                                .setOnPostClickListener((feedModel, profilePicView, mainPostImage) -> {
+                                    final PostViewV2Fragment fragment = PostViewV2Fragment
+                                            .builder(feedModel)
+                                            .setSharedProfilePicElement(profilePicView)
+                                            .setSharedMainPostElement(mainPostImage)
+                                            .build();
+                                    fragment.show(getChildFragmentManager(), "post_view");
+                                })
+                                .init();
+        binding.feedSwipeRefreshLayout.setRefreshing(true);
+        // final LinearLayoutManager layoutManager = new LinearLayoutManager(context);
+        // binding.feedRecyclerView.setLayoutManager(gridLayoutManager);
+        // feedAdapter = new FeedAdapterV2(spanCount[0], postViewClickListener, mentionClickListener, feedModel -> {
+        //     final ChangeBounds transition = new ChangeBounds();
+        //     transition.setDuration(200);
+        //     TransitionManager.beginDelayedTransition(binding.feedRecyclerView, transition);
+        //     spanCount[0] = spanCount[0] - 1;
+        //     if (spanCount[0] == 0) {
+        //         spanCount[0] = 3;
+        //     }
+        //     gridLayoutManager.setSpanCount(spanCount[0]);
+        // });
+        // feedAdapter.setStateRestorationPolicy(RecyclerView.Adapter.StateRestorationPolicy.PREVENT_WHEN_EMPTY);
+        // binding.feedRecyclerView.setAdapter(feedAdapter);
+        // feedViewModel.getList().observe(fragmentActivity, feedAdapter::submitList);
+        // if (shouldAutoPlay) {
+        //     videoAwareRecyclerScroller = new VideoAwareRecyclerScroller();
+        //     binding.feedRecyclerView.addOnScrollListener(videoAwareRecyclerScroller);
+        // }
+        // fetchFeed();
+
     }
 
-    private void fetchFeed() {
-        binding.feedSwipeRefreshLayout.setRefreshing(true);
-        new FeedFetcher(feedEndCursor, feedFetchListener).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+    private void updateSwipeRefreshState() {
+        binding.feedSwipeRefreshLayout.setRefreshing(binding.feedRecyclerView.isFetching() || storiesFetching);
     }
 
     private void setupFeedStories() {
@@ -383,16 +405,28 @@ public class FeedFragment extends Fragment implements SwipeRefreshLayout.OnRefre
     }
 
     private void fetchStories() {
+        storiesFetching = true;
+        updateSwipeRefreshState();
         storiesService.getFeedStories(new ServiceCallback<List<FeedStoryModel>>() {
             @Override
             public void onSuccess(final List<FeedStoryModel> result) {
                 feedStoriesViewModel.getList().postValue(result);
+                storiesFetching = false;
+                updateSwipeRefreshState();
             }
 
             @Override
             public void onFailure(final Throwable t) {
                 Log.e(TAG, "failed", t);
+                storiesFetching = false;
+                updateSwipeRefreshState();
             }
         });
     }
+
+    private void showPostsLayoutPreferences() {
+        final PostsLayoutPreferencesDialogFragment fragment = new PostsLayoutPreferencesDialogFragment(preferences -> new Handler()
+                .postDelayed(() -> binding.feedRecyclerView.setLayoutPreferences(preferences), 200));
+        fragment.show(getChildFragmentManager(), "posts_layout_preferences");
+    }
 }

app/src/main/java/awais/instagrabber/fragments/main/ProfileFragment.java

@@ -3,6 +3,7 @@ package awais.instagrabber.fragments.main;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.graphics.Typeface;
+import android.graphics.drawable.Animatable;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.os.Handler;
@@ -39,6 +40,9 @@ import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 
+import com.facebook.drawee.controller.BaseControllerListener;
+import com.facebook.drawee.controller.ControllerListener;
+import com.facebook.imagepipeline.image.ImageInfo;
 import com.google.android.material.snackbar.BaseTransientBottomBar;
 import com.google.android.material.snackbar.Snackbar;
 
@@ -170,8 +174,7 @@ public class ProfileFragment extends Fragment implements SwipeRefreshLayout.OnRe
                 binding.privatePage2.setText(R.string.empty_acc);
                 binding.privatePage.setVisibility(View.VISIBLE);
                 return;
-            }
-            else {
+            } else {
                 binding.privatePage.setVisibility(View.GONE);
             }
             binding.mainPosts.post(() -> binding.mainPosts.setVisibility(View.VISIBLE));
@@ -352,6 +355,7 @@ public class ProfileFragment extends Fragment implements SwipeRefreshLayout.OnRe
     @Override
     public void onDestroy() {
         super.onDestroy();
+        postsAdapter = null;
         if (usernameSettingHandler != null) {
             usernameSettingHandler.removeCallbacks(usernameSettingRunnable);
         }
@@ -446,31 +450,31 @@ public class ProfileFragment extends Fragment implements SwipeRefreshLayout.OnRe
         final String myId = CookieUtils.getUserIdFromCookie(cookie);
         if (isLoggedIn) {
             storiesService.getUserStory(profileId,
-                    profileModel.getUsername(),
-                    false,
-                    false,
-                    false,
-                    new ServiceCallback<List<StoryModel>>() {
-                        @Override
-                        public void onSuccess(final List<StoryModel> storyModels) {
-                            if (storyModels != null && !storyModels.isEmpty()) {
-                                binding.mainProfileImage.setStoriesBorder();
-                                hasStories = true;
-                            }
-                        }
-
-                        @Override
-                        public void onFailure(final Throwable t) {
-                            Log.e(TAG, "Error", t);
-                        }
-                    });
+                                        profileModel.getUsername(),
+                                        false,
+                                        false,
+                                        false,
+                                        new ServiceCallback<List<StoryModel>>() {
+                                            @Override
+                                            public void onSuccess(final List<StoryModel> storyModels) {
+                                                if (storyModels != null && !storyModels.isEmpty()) {
+                                                    binding.mainProfileImage.setStoriesBorder();
+                                                    hasStories = true;
+                                                }
+                                            }
+
+                                            @Override
+                                            public void onFailure(final Throwable t) {
+                                                Log.e(TAG, "Error", t);
+                                            }
+                                        });
             new HighlightsFetcher(profileId,
-                    result -> {
-                        if (result != null) {
-                            binding.highlightsList.setVisibility(View.VISIBLE);
-                            highlightsViewModel.getList().postValue(result);
-                        } else binding.highlightsList.setVisibility(View.GONE);
-                    }).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+                                  result -> {
+                                      if (result != null) {
+                                          binding.highlightsList.setVisibility(View.VISIBLE);
+                                          highlightsViewModel.getList().postValue(result);
+                                      } else binding.highlightsList.setVisibility(View.GONE);
+                                  }).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
             if (profileId.equals(myId)) {
                 binding.btnTagged.setVisibility(View.VISIBLE);
                 binding.btnSaved.setVisibility(View.VISIBLE);
@@ -529,7 +533,13 @@ public class ProfileFragment extends Fragment implements SwipeRefreshLayout.OnRe
         } else {
             binding.favCb.setVisibility(View.GONE);
         }
-        binding.mainProfileImage.setImageURI(profileModel.getSdProfilePic());
+        final ControllerListener<ImageInfo> listener = new BaseControllerListener<ImageInfo>() {
+            @Override
+            public void onFinalImageSet(final String id, final ImageInfo imageInfo, final Animatable animatable) {
+                startPostponedEnterTransition();
+            }
+        };
+        binding.mainProfileImage.setImageURI(profileModel.getHdProfilePic());
 
         final long followersCount = profileModel.getFollowersCount();
         final long followingCount = profileModel.getFollowingCount();
@@ -562,8 +572,8 @@ public class ProfileFragment extends Fragment implements SwipeRefreshLayout.OnRe
                                                                                : profileModel.getName());
 
         CharSequence biography = profileModel.getBiography();
-        binding.mainBiography.setCaptionIsExpandable(true);
-        binding.mainBiography.setCaptionIsExpanded(true);
+        // binding.mainBiography.setCaptionIsExpandable(true);
+        // binding.mainBiography.setCaptionIsExpanded(true);
         if (TextUtils.hasMentions(biography)) {
             biography = TextUtils.getMentionText(biography);
             binding.mainBiography.setText(biography, TextView.BufferType.SPANNABLE);

app/src/main/java/awais/instagrabber/interfaces/FetchListener.java

@@ -2,5 +2,8 @@ package awais.instagrabber.interfaces;
 
 public interface FetchListener<T> {
     void onResult(T result);
-    default void doBefore() { }
+
+    default void doBefore() {}
+
+    default void onFailure(Throwable t) {}
 }

app/src/main/java/awais/instagrabber/models/BasePostModel.java

@@ -20,14 +20,15 @@ public abstract class BasePostModel implements Serializable, Selectable {
     protected boolean isDownloaded;
     protected long timestamp;
     protected int position;
-    boolean liked, bookmarked;
+    boolean liked;
+    boolean saved;
 
     public boolean getLike() {
         return liked;
     }
 
-    public boolean getBookmark() {
-        return bookmarked;
+    public boolean isSaved() {
+        return saved;
     }
 
     public MediaItemType getItemType() {

app/src/main/java/awais/instagrabber/models/FeedModel.java

@@ -1,47 +1,174 @@
 package awais.instagrabber.models;
 
+import java.util.List;
+
 import awais.instagrabber.models.enums.MediaItemType;
 
 public final class FeedModel extends PostModel {
     private final ProfileModel profileModel;
     private final long commentsCount;
+    private long likesCount;
     private final long viewCount;
     private boolean captionExpanded = false;
     private boolean mentionClicked = false;
-    private ViewerPostModel[] sliderItems;
+    private List<PostChild> sliderItems;
     private int imageWidth;
     private int imageHeight;
     private String locationName;
     private String locationId;
 
-    public FeedModel(final ProfileModel profileModel,
-                     final MediaItemType itemType,
-                     final long viewCount,
-                     final String postId,
-                     final String displayUrl,
-                     final String thumbnailUrl,
-                     final String shortCode,
-                     final String postCaption,
-                     final long commentsCount,
-                     final long timestamp,
-                     final boolean liked,
-                     final boolean bookmarked,
-                     final long likes,
-                     final String locationName,
-                     final String locationId) {
-        super(itemType, postId, displayUrl, thumbnailUrl, shortCode, postCaption, timestamp, liked, bookmarked, likes);
+    public static class Builder {
+
+        private ProfileModel profileModel;
+        private MediaItemType itemType;
+        private long viewCount;
+        private String postId;
+        private String displayUrl;
+        private String thumbnailUrl;
+        private String shortCode;
+        private String postCaption;
+        private long commentsCount;
+        private long timestamp;
+        private boolean liked;
+        private boolean bookmarked;
+        private long likesCount;
+        private String locationName;
+        private String locationId;
+        private List<PostChild> sliderItems;
+        private int imageWidth;
+        private int imageHeight;
+
+        public Builder setProfileModel(final ProfileModel profileModel) {
+            this.profileModel = profileModel;
+            return this;
+        }
+
+        public Builder setItemType(final MediaItemType itemType) {
+            this.itemType = itemType;
+            return this;
+        }
+
+        public Builder setViewCount(final long viewCount) {
+            this.viewCount = viewCount;
+            return this;
+        }
+
+        public Builder setPostId(final String postId) {
+            this.postId = postId;
+            return this;
+        }
+
+        public Builder setDisplayUrl(final String displayUrl) {
+            this.displayUrl = displayUrl;
+            return this;
+        }
+
+        public Builder setThumbnailUrl(final String thumbnailUrl) {
+            this.thumbnailUrl = thumbnailUrl;
+            return this;
+        }
+
+        public Builder setShortCode(final String shortCode) {
+            this.shortCode = shortCode;
+            return this;
+        }
+
+        public Builder setPostCaption(final String postCaption) {
+            this.postCaption = postCaption;
+            return this;
+        }
+
+        public Builder setCommentsCount(final long commentsCount) {
+            this.commentsCount = commentsCount;
+            return this;
+        }
+
+        public Builder setTimestamp(final long timestamp) {
+            this.timestamp = timestamp;
+            return this;
+        }
+
+        public Builder setLiked(final boolean liked) {
+            this.liked = liked;
+            return this;
+        }
+
+        public Builder setBookmarked(final boolean bookmarked) {
+            this.bookmarked = bookmarked;
+            return this;
+        }
+
+        public Builder setLikesCount(final long likesCount) {
+            this.likesCount = likesCount;
+            return this;
+        }
+
+        public Builder setLocationName(final String locationName) {
+            this.locationName = locationName;
+            return this;
+        }
+
+        public Builder setLocationId(final String locationId) {
+            this.locationId = locationId;
+            return this;
+        }
+
+        public Builder setSliderItems(final List<PostChild> sliderItems) {
+            this.sliderItems = sliderItems;
+            return this;
+        }
+
+        public Builder setImageHeight(final int imageHeight) {
+            this.imageHeight = imageHeight;
+            return this;
+        }
+
+        public Builder setImageWidth(final int imageWidth) {
+            this.imageWidth = imageWidth;
+            return this;
+        }
+
+        public FeedModel build() {
+            return new FeedModel(profileModel, itemType, viewCount, postId, displayUrl, thumbnailUrl, shortCode, postCaption, commentsCount,
+                                 timestamp, liked, bookmarked, likesCount, locationName, locationId, sliderItems, imageHeight, imageWidth);
+        }
+    }
+
+    private FeedModel(final ProfileModel profileModel,
+                      final MediaItemType itemType,
+                      final long viewCount,
+                      final String postId,
+                      final String displayUrl,
+                      final String thumbnailUrl,
+                      final String shortCode,
+                      final String postCaption,
+                      final long commentsCount,
+                      final long timestamp,
+                      final boolean liked,
+                      final boolean bookmarked,
+                      final long likesCount,
+                      final String locationName,
+                      final String locationId,
+                      final List<PostChild> sliderItems,
+                      final int imageHeight,
+                      final int imageWidth) {
+        super(itemType, postId, displayUrl, thumbnailUrl, shortCode, postCaption, timestamp, liked, bookmarked);
         this.profileModel = profileModel;
         this.commentsCount = commentsCount;
+        this.likesCount = likesCount;
         this.viewCount = viewCount;
         this.locationName = locationName;
         this.locationId = locationId;
+        this.sliderItems = sliderItems;
+        this.imageHeight = imageHeight;
+        this.imageWidth = imageWidth;
     }
 
     public ProfileModel getProfileModel() {
         return profileModel;
     }
 
-    public ViewerPostModel[] getSliderItems() {
+    public List<PostChild> getSliderItems() {
         return sliderItems;
     }
 
@@ -53,6 +180,10 @@ public final class FeedModel extends PostModel {
         return commentsCount;
     }
 
+    public long getLikesCount() {
+        return likesCount;
+    }
+
     public boolean isCaptionExpanded() {
         return captionExpanded;
     }
@@ -61,14 +192,14 @@ public final class FeedModel extends PostModel {
         return !mentionClicked;
     }
 
-    public void setMentionClicked(final boolean mentionClicked) {
-        this.mentionClicked = mentionClicked;
-    }
-
-    public void setSliderItems(final ViewerPostModel[] sliderItems) {
-        this.sliderItems = sliderItems;
-        setItemType(MediaItemType.MEDIA_TYPE_SLIDER);
-    }
+    // public void setMentionClicked(final boolean mentionClicked) {
+    //     this.mentionClicked = mentionClicked;
+    // }
+    //
+    // public void setSliderItems(final ViewerPostModel[] sliderItems) {
+    //     this.sliderItems = sliderItems;
+    //     setItemType(MediaItemType.MEDIA_TYPE_SLIDER);
+    // }
 
     public void toggleCaption() {
         captionExpanded = !captionExpanded;
@@ -78,13 +209,13 @@ public final class FeedModel extends PostModel {
         return imageWidth;
     }
 
-    public void setImageWidth(final int imageWidth) {
-        this.imageWidth = imageWidth;
-    }
+    // public void setImageWidth(final int imageWidth) {
+    //     this.imageWidth = imageWidth;
+    // }
 
-    public void setImageHeight(final int imageHeight) {
-        this.imageHeight = imageHeight;
-    }
+    // public void setImageHeight(final int imageHeight) {
+    //     this.imageHeight = imageHeight;
+    // }
 
     public int getImageHeight() {
         return imageHeight;
@@ -94,15 +225,45 @@ public final class FeedModel extends PostModel {
         return locationName;
     }
 
-    public void setLocationName(final String locationName) {
-        this.locationName = locationName;
-    }
+    // public void setLocationName(final String locationName) {
+    //     this.locationName = locationName;
+    // }
 
     public String getLocationId() {
         return locationId;
     }
 
-    public void setLocationId(final String locationId) {
-        this.locationId = locationId;
+    // public void setLocationId(final String locationId) {
+    //     this.locationId = locationId;
+    // }
+
+    public void setLiked(final boolean liked) {
+        this.liked = liked;
+    }
+
+    public void setLikesCount(final long count) {
+        this.likesCount = count;
+    }
+
+    public void setSaved(final boolean saved) {
+        this.saved = saved;
+    }
+
+    @Override
+    public String toString() {
+        return "FeedModel{" +
+                "type=" + itemType +
+                ", displayUrl=" + displayUrl +
+                ", thumbnailUrl=" + thumbnailUrl +
+                ", commentsCount=" + commentsCount +
+                ", viewCount=" + viewCount +
+                ", captionExpanded=" + captionExpanded +
+                ", mentionClicked=" + mentionClicked +
+                // ", sliderItems=" + sliderItems +
+                ", imageWidth=" + imageWidth +
+                ", imageHeight=" + imageHeight +
+                ", locationName='" + locationName + '\'' +
+                ", locationId='" + locationId + '\'' +
+                '}';
     }
 }

app/src/main/java/awais/instagrabber/models/PostChild.java

@@ -0,0 +1,121 @@
+package awais.instagrabber.models;
+
+import java.io.Serializable;
+
+import awais.instagrabber.models.enums.MediaItemType;
+
+public final class PostChild implements Serializable {
+    private String postId;
+    private MediaItemType itemType;
+    private String displayUrl;
+    private final String thumbnailUrl;
+    private final long videoViews;
+    private int width;
+    private int height;
+
+    public static class Builder {
+        private String postId;
+        private MediaItemType itemType;
+        private String displayUrl;
+        private long videoViews;
+        private String thumbnailUrl;
+        private int width;
+        private int height;
+
+        public Builder setPostId(final String postId) {
+            this.postId = postId;
+            return this;
+        }
+
+        public Builder setItemType(final MediaItemType itemType) {
+            this.itemType = itemType;
+            return this;
+        }
+
+        public Builder setDisplayUrl(final String displayUrl) {
+            this.displayUrl = displayUrl;
+            return this;
+        }
+
+        public Builder setVideoViews(final long videoViews) {
+            this.videoViews = videoViews;
+            return this;
+        }
+
+        public Builder setHeight(final int height) {
+            this.height = height;
+            return this;
+        }
+
+        public Builder setWidth(final int width) {
+            this.width = width;
+            return this;
+        }
+
+        public Builder setThumbnailUrl(final String thumbnailUrl) {
+            this.thumbnailUrl = thumbnailUrl;
+            return this;
+        }
+
+        public PostChild build() {
+            return new PostChild(postId, itemType, displayUrl, thumbnailUrl, videoViews, height, width);
+        }
+    }
+
+    public PostChild(final String postId,
+                     final MediaItemType itemType,
+                     final String displayUrl,
+                     final String thumbnailUrl,
+                     final long videoViews,
+                     final int height,
+                     final int width) {
+        this.postId = postId;
+        this.itemType = itemType;
+        this.displayUrl = displayUrl;
+        this.thumbnailUrl = thumbnailUrl;
+        this.height = height;
+        this.width = width;
+        this.videoViews = videoViews;
+    }
+
+    public String getPostId() {
+        return postId;
+    }
+
+    public MediaItemType getItemType() {
+        return itemType;
+    }
+
+    public String getDisplayUrl() {
+        return displayUrl;
+    }
+
+    public String getThumbnailUrl() {
+        return thumbnailUrl;
+    }
+
+    public long getVideoViews() {
+        return videoViews;
+    }
+
+    public int getWidth() {
+        return width;
+    }
+
+    public int getHeight() {
+        return height;
+    }
+
+    @Override
+    public String toString() {
+        return "PostChild{" +
+                "postId='" + postId + '\'' +
+                ", itemType=" + itemType +
+                ", displayUrl='" + displayUrl + '\'' +
+                ", thumbnailUrl='" + thumbnailUrl + '\'' +
+                ", videoViews=" + videoViews +
+                ", width=" + width +
+                ", height=" + height +
+                '}';
+    }
+}

app/src/main/java/awais/instagrabber/models/PostModel.java

@@ -13,9 +13,15 @@ public class PostModel extends BasePostModel {
         this.thumbnailUrl = null;
     }
 
-    public PostModel(final MediaItemType itemType, final String postId, final String displayUrl, final String thumbnailUrl,
-                     final String shortCode, final CharSequence postCaption, long timestamp, boolean liked, boolean bookmarked,
-                     long likes) {
+    public PostModel(final MediaItemType itemType,
+                     final String postId,
+                     final String displayUrl,
+                     final String thumbnailUrl,
+                     final String shortCode,
+                     final CharSequence postCaption,
+                     long timestamp,
+                     boolean liked,
+                     boolean bookmarked) {
         this.itemType = itemType;
         this.postId = postId;
         this.displayUrl = displayUrl;
@@ -24,7 +30,7 @@ public class PostModel extends BasePostModel {
         this.postCaption = postCaption;
         this.timestamp = timestamp;
         this.liked = liked;
-        this.bookmarked = bookmarked;
+        this.saved = bookmarked;
     }
 
     public String getThumbnailUrl() {

app/src/main/java/awais/instagrabber/models/PostsLayoutPreferences.java

@@ -0,0 +1,204 @@
+package awais.instagrabber.models;
+
+import com.google.gson.Gson;
+
+import java.util.Objects;
+
+public final class PostsLayoutPreferences {
+    private final PostsLayoutType type;
+    private final int colCount;
+    private final boolean isAvatarVisible;
+    private final boolean isNameVisible;
+    private final ProfilePicSize profilePicSize;
+    private final boolean hasRoundedCorners;
+    private final boolean hasGap;
+
+    public static class Builder {
+        private PostsLayoutType type = PostsLayoutType.GRID;
+        private int colCount = 2;
+        private boolean isAvatarVisible = false;
+        private boolean isNameVisible = false;
+        private ProfilePicSize profilePicSize = ProfilePicSize.REGULAR;
+        private boolean hasRoundedCorners = true;
+        private boolean hasGap = true;
+
+        public Builder setType(final PostsLayoutType type) {
+            this.type = type;
+            return this;
+        }
+
+        public Builder setColCount(final int colCount) {
+            this.colCount = (colCount <= 0 || colCount > 3) ? 1 : colCount;
+            return this;
+        }
+
+        public Builder setAvatarVisible(final boolean avatarVisible) {
+            this.isAvatarVisible = avatarVisible;
+            return this;
+        }
+
+        public Builder setNameVisible(final boolean nameVisible) {
+            this.isNameVisible = nameVisible;
+            return this;
+        }
+
+        public Builder setProfilePicSize(final ProfilePicSize profilePicSize) {
+            this.profilePicSize = profilePicSize;
+            return this;
+        }
+
+        public Builder setHasRoundedCorners(final boolean hasRoundedCorners) {
+            this.hasRoundedCorners = hasRoundedCorners;
+            return this;
+        }
+
+        public Builder setHasGap(final boolean hasGap) {
+            this.hasGap = hasGap;
+            return this;
+        }
+
+        // Breaking builder pattern and adding getters to avoid too many object creations in PostsLayoutPreferencesDialogFragment
+        public PostsLayoutType getType() {
+            return type;
+        }
+
+        public int getColCount() {
+            return colCount;
+        }
+
+        public boolean isAvatarVisible() {
+            return isAvatarVisible;
+        }
+
+        public boolean isNameVisible() {
+            return isNameVisible;
+        }
+
+        public ProfilePicSize getProfilePicSize() {
+            return profilePicSize;
+        }
+
+        public boolean getHasRoundedCorners() {
+            return hasRoundedCorners;
+        }
+
+        public boolean getHasGap() {
+            return hasGap;
+        }
+
+        public Builder mergeFrom(final PostsLayoutPreferences preferences) {
+            setColCount(preferences.getColCount());
+            setAvatarVisible(preferences.isAvatarVisible());
+            setNameVisible(preferences.isNameVisible());
+            setType(preferences.getType());
+            setProfilePicSize(preferences.getProfilePicSize());
+            setHasRoundedCorners(preferences.getHasRoundedCorners());
+            setHasGap(preferences.getHasGap());
+            return this;
+        }
+
+        public PostsLayoutPreferences build() {
+            return new PostsLayoutPreferences(type, colCount, isAvatarVisible, isNameVisible, profilePicSize, hasRoundedCorners, hasGap);
+        }
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    private PostsLayoutPreferences(final PostsLayoutType type,
+                                   final int colCount,
+                                   final boolean isAvatarVisible,
+                                   final boolean isNameVisible,
+                                   final ProfilePicSize profilePicSize,
+                                   final boolean hasRoundedCorners,
+                                   final boolean hasGap) {
+
+        this.type = type;
+        this.colCount = colCount;
+        this.isAvatarVisible = isAvatarVisible;
+        this.isNameVisible = isNameVisible;
+        this.profilePicSize = profilePicSize;
+        this.hasRoundedCorners = hasRoundedCorners;
+        this.hasGap = hasGap;
+    }
+
+    public PostsLayoutType getType() {
+        return type;
+    }
+
+    public int getColCount() {
+        return colCount;
+    }
+
+    public boolean isAvatarVisible() {
+        return isAvatarVisible;
+    }
+
+    public boolean isNameVisible() {
+        return isNameVisible;
+    }
+
+    public ProfilePicSize getProfilePicSize() {
+        return profilePicSize;
+    }
+
+    public boolean getHasRoundedCorners() {
+        return hasRoundedCorners;
+    }
+
+    public boolean getHasGap() {
+        return hasGap;
+    }
+
+    public String getJson() {
+        return new Gson().toJson(this);
+    }
+
+    public static PostsLayoutPreferences fromJson(final String json) {
+        if (json == null) return null;
+        return new Gson().fromJson(json, PostsLayoutPreferences.class);
+    }
+
+    @Override
+    public boolean equals(final Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        final PostsLayoutPreferences that = (PostsLayoutPreferences) o;
+        return colCount == that.colCount &&
+                isAvatarVisible == that.isAvatarVisible &&
+                isNameVisible == that.isNameVisible &&
+                type == that.type &&
+                profilePicSize == that.profilePicSize;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(type, colCount, isAvatarVisible, isNameVisible, profilePicSize);
+    }
+
+    @Override
+    public String toString() {
+        return "PostsLayoutPreferences{" +
+                "type=" + type +
+                ", colCount=" + colCount +
+                ", isAvatarVisible=" + isAvatarVisible +
+                ", isNameVisible=" + isNameVisible +
+                ", profilePicSize=" + profilePicSize +
+                ", hasRoundedCorners=" + hasRoundedCorners +
+                ", hasGap=" + hasGap +
+                '}';
+    }
+
+    public enum PostsLayoutType {
+        GRID,
+        STAGGERED_GRID,
+        LINEAR
+    }
+
+    public enum ProfilePicSize {
+        REGULAR,
+        SMALL,
+        TINY
+    }
+}

app/src/main/java/awais/instagrabber/models/ViewerPostModel.java

@@ -7,13 +7,124 @@ public final class ViewerPostModel extends BasePostModel {
     protected final String locationName;
     protected final String location;
     protected final long videoViews;
-    protected String sliderDisplayUrl;
-    protected long commentsCount, likes;
+    private final String thumbnailUrl;
+    protected long commentsCount;
+    protected long likes;
+    private int imageWidth;
+    private int imageHeight;
     private boolean isCurrentSlide = false;
 
+    public static class Builder {
+        private MediaItemType itemType;
+        private String postId;
+        private String displayUrl;
+        private String shortCode;
+        private String postCaption;
+        private ProfileModel profileModel;
+        private long videoViews;
+        private long timestamp;
+        private boolean liked;
+        private boolean bookmarked;
+        private long likes;
+        private String locationName;
+        private String location;
+        private String thumbnailUrl;
+        private int imageWidth;
+        private int imageHeight;
+
+        public Builder setItemType(final MediaItemType itemType) {
+            this.itemType = itemType;
+            return this;
+        }
+
+        public Builder setPostId(final String postId) {
+            this.postId = postId;
+            return this;
+        }
+
+        public Builder setDisplayUrl(final String displayUrl) {
+            this.displayUrl = displayUrl;
+            return this;
+        }
+
+        public Builder setShortCode(final String shortCode) {
+            this.shortCode = shortCode;
+            return this;
+        }
+
+        // public Builder setPostCaption(final String postCaption) {
+        //     this.postCaption = postCaption;
+        //     return this;
+        // }
+
+        // public Builder setProfileModel(final ProfileModel profileModel) {
+        //     this.profileModel = profileModel;
+        //     return this;
+        // }
+
+        public Builder setVideoViews(final long videoViews) {
+            this.videoViews = videoViews;
+            return this;
+        }
+
+        // public Builder setTimestamp(final long timestamp) {
+        //     this.timestamp = timestamp;
+        //     return this;
+        // }
+        //
+        // public Builder setLiked(final boolean liked) {
+        //     this.liked = liked;
+        //     return this;
+        // }
+        //
+        // public Builder setBookmarked(final boolean bookmarked) {
+        //     this.bookmarked = bookmarked;
+        //     return this;
+        // }
+        //
+        // public Builder setLikes(final long likes) {
+        //     this.likes = likes;
+        //     return this;
+        // }
+
+        // public Builder setLocationName(final String locationName) {
+        //     this.locationName = locationName;
+        //     return this;
+        // }
+        //
+        // public Builder setLocation(final String location) {
+        //     this.location = location;
+        //     return this;
+        // }
+
+
+        public Builder setImageHeight(final int imageHeight) {
+            this.imageHeight = imageHeight;
+            return this;
+        }
+
+        public Builder setImageWidth(final int imageWidth) {
+            this.imageWidth = imageWidth;
+            return this;
+        }
+
+        public Builder setThumbnailUrl(final String thumbnailUrl) {
+            this.thumbnailUrl = thumbnailUrl;
+            return this;
+        }
+
+        public ViewerPostModel build() {
+            return new ViewerPostModel(itemType, postId, displayUrl, thumbnailUrl, imageHeight, imageWidth, shortCode, postCaption, profileModel,
+                                       videoViews, timestamp, liked, bookmarked, likes, locationName, location);
+        }
+    }
+
     public ViewerPostModel(final MediaItemType itemType,
                            final String postId,
                            final String displayUrl,
+                           final String thumbnailUrl,
+                           final int imageHeight,
+                           final int imageWidth,
                            final String shortCode,
                            final String postCaption,
                            final ProfileModel profileModel,
@@ -27,6 +138,9 @@ public final class ViewerPostModel extends BasePostModel {
         this.itemType = itemType;
         this.postId = postId;
         this.displayUrl = displayUrl;
+        this.thumbnailUrl = thumbnailUrl;
+        this.imageHeight = imageHeight;
+        this.imageWidth = imageWidth;
         this.postCaption = postCaption;
         this.profileModel = profileModel;
         this.shortCode = shortCode;
@@ -34,23 +148,15 @@ public final class ViewerPostModel extends BasePostModel {
         this.timestamp = timestamp;
         this.liked = liked;
         this.likes = likes;
-        this.bookmarked = bookmarked;
+        this.saved = bookmarked;
         this.locationName = locationName;
         this.location = location;
     }
 
-    public static ViewerPostModel getDefaultModel(final int postId, final String shortCode) {
-        return new ViewerPostModel(null, String.valueOf(postId), null, "", null, null, -1, -1, false, false, -1, null, null);
-    }
-
     public long getCommentsCount() {
         return commentsCount;
     }
 
-    public String getSliderDisplayUrl() {
-        return sliderDisplayUrl;
-    }
-
     public ProfileModel getProfileModel() {
         return profileModel;
     }
@@ -72,29 +178,42 @@ public final class ViewerPostModel extends BasePostModel {
     }
 
     // setManualLike means user liked from InstaGrabber
-    public boolean setManualLike(final boolean like) {
+    public void setManualLike(final boolean like) {
         liked = like;
         likes = (like) ? (likes + 1) : (likes - 1);
-        return liked;
     }
 
-    public void setBookmarked(final boolean bookmarked) {
-        this.bookmarked = bookmarked;
+    public boolean isCurrentSlide() {
+        return isCurrentSlide;
     }
 
-    public void setSliderDisplayUrl(final String sliderDisplayUrl) {
-        this.sliderDisplayUrl = sliderDisplayUrl;
+    public String getThumbnailUrl() {
+        return thumbnailUrl;
     }
 
-    public void setCommentsCount(final long commentsCount) {
-        this.commentsCount = commentsCount;
+    public int getImageHeight() {
+        return imageHeight;
     }
 
-    public void setCurrentSlide(final boolean currentSlide) {
-        this.isCurrentSlide = currentSlide;
+    public int getImageWidth() {
+        return imageWidth;
     }
 
-    public boolean isCurrentSlide() {
-        return isCurrentSlide;
+    @Override
+    public String toString() {
+        return "ViewerPostModel{" +
+                "type=" + itemType +
+                ", displayUrl=" + displayUrl +
+                ", thumbnailUrl=" + thumbnailUrl +
+                ", locationName='" + locationName + '\'' +
+                ", location='" + location + '\'' +
+                ", videoViews=" + videoViews +
+                ", thumbnailUrl='" + thumbnailUrl + '\'' +
+                ", commentsCount=" + commentsCount +
+                ", likes=" + likes +
+                ", imageWidth=" + imageWidth +
+                ", imageHeight=" + imageHeight +
+                ", isCurrentSlide=" + isCurrentSlide +
+                '}';
     }
 }

app/src/main/java/awais/instagrabber/models/ViewerPostModelWrapper.java

@@ -1,10 +1,12 @@
 package awais.instagrabber.models;
 
+import java.util.List;
+
 public class ViewerPostModelWrapper {
     private int position;
-    private ViewerPostModel[] viewerPostModels;
+    private List<PostChild> viewerPostModels;
 
-    public ViewerPostModelWrapper(final int position, final ViewerPostModel[] viewerPostModels) {
+    public ViewerPostModelWrapper(final int position, final List<PostChild> viewerPostModels) {
         this.position = position;
         this.viewerPostModels = viewerPostModels;
     }
@@ -13,11 +15,11 @@ public class ViewerPostModelWrapper {
         return position;
     }
 
-    public ViewerPostModel[] getViewerPostModels() {
+    public List<PostChild> getViewerPostModels() {
         return viewerPostModels;
     }
 
-    public void setViewerPostModels(final ViewerPostModel[] viewerPostModels) {
+    public void setViewerPostModels(final List<PostChild> viewerPostModels) {
         this.viewerPostModels = viewerPostModels;
     }
 }

app/src/main/java/awais/instagrabber/repositories/FeedRepository.java

@@ -0,0 +1,12 @@
+package awais.instagrabber.repositories;
+
+import java.util.Map;
+
+import retrofit2.Call;
+import retrofit2.http.GET;
+import retrofit2.http.QueryMap;
+
+public interface FeedRepository {
+    @GET("/graphql/query/")
+    Call<String> fetch(@QueryMap(encoded = true) Map<String, String> queryParams);
+}

app/src/main/java/awais/instagrabber/repositories/responses/FeedFetchResponse.java

@@ -0,0 +1,29 @@
+package awais.instagrabber.repositories.responses;
+
+import java.util.List;
+
+import awais.instagrabber.models.FeedModel;
+
+public class FeedFetchResponse {
+    private List<FeedModel> feedModels;
+    private boolean hasNextPage;
+    private String nextCursor;
+
+    public FeedFetchResponse(final List<FeedModel> feedModels, final boolean hasNextPage, final String nextCursor) {
+        this.feedModels = feedModels;
+        this.hasNextPage = hasNextPage;
+        this.nextCursor = nextCursor;
+    }
+
+    public List<FeedModel> getFeedModels() {
+        return feedModels;
+    }
+
+    public boolean hasNextPage() {
+        return hasNextPage;
+    }
+
+    public String getNextCursor() {
+        return nextCursor;
+    }
+}

app/src/main/java/awais/instagrabber/services/ActivityCheckerService.java

@@ -18,7 +18,6 @@ import java.util.List;
 
 import awais.instagrabber.R;
 import awais.instagrabber.activities.MainActivity;
-import awais.instagrabber.asyncs.GetActivityAsyncTask;
 import awais.instagrabber.asyncs.GetActivityAsyncTask.NotificationCounts;
 import awais.instagrabber.asyncs.GetActivityAsyncTask.OnTaskCompleteListener;
 import awais.instagrabber.utils.Constants;
@@ -37,8 +36,8 @@ public class ActivityCheckerService extends Service {
     private final IBinder binder = new LocalBinder();
     private final Runnable runnable = () -> {
         final String cookie = settingsHelper.getString(Constants.COOKIE);
-        final GetActivityAsyncTask activityAsyncTask = new GetActivityAsyncTask(onTaskCompleteListener);
-        activityAsyncTask.execute(cookie);
+        // final GetActivityAsyncTask activityAsyncTask = new GetActivityAsyncTask(onTaskCompleteListener);
+        // activityAsyncTask.execute(cookie);
     };
 
     public class LocalBinder extends Binder {

app/src/main/java/awais/instagrabber/utils/Constants.java

@@ -51,6 +51,10 @@ public final class Constants {
     public static final String EXTRAS_END_CURSOR = "endCursor";
     public static final String FEED = "feed";
     public static final String FEED_ORDER = "feedOrder";
+
+    // Notification ids
+    public static final int ACTIVITY_NOTIFICATION_ID = 10;
+
     // spoof
     public static final String USER_AGENT = "Mozilla/5.0 (Linux; Android 8.1.0; motorola one Build/OPKS28.63-18-3; wv) " +
             "AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.80 Mobile Safari/537.36 " +
@@ -78,10 +82,10 @@ public final class Constants {
     public static final String ACTIVITY_CHANNEL_NAME = "Activity";
     public static final String DOWNLOAD_CHANNEL_NAME = "Downloads";
     public static final String NOTIF_GROUP_NAME = "awais.instagrabber.InstaNotif";
-    public static final int ACTIVITY_NOTIFICATION_ID = 1800000000;
     public static final String ACTION_SHOW_ACTIVITY = "show_activity";
     public static final String PREF_DARK_THEME = "dark_theme";
     public static final String PREF_LIGHT_THEME = "light_theme";
     public static final String DEFAULT_HASH_TAG_PIC = "https://www.instagram.com/static/images/hashtag/search-hashtag-default-avatar.png/1d8417c9a4f5.png";
     public static final String SHARED_PREFERENCES_NAME = "settings";
+    public static final String PREF_POSTS_LAYOUT = "posts_layout";
 }

app/src/main/java/awais/instagrabber/utils/DownloadUtils.java

@@ -8,16 +8,29 @@ import android.os.AsyncTask;
 import android.os.Environment;
 import android.util.Log;
 import android.util.Pair;
+import android.webkit.MimeTypeMap;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.core.app.ActivityCompat;
 import androidx.core.content.ContextCompat;
+import androidx.work.Constraints;
+import androidx.work.Data;
+import androidx.work.NetworkType;
+import androidx.work.OneTimeWorkRequest;
+import androidx.work.WorkManager;
+import androidx.work.WorkRequest;
+
+import com.google.gson.Gson;
 
 import java.io.File;
 import java.io.FilenameFilter;
+import java.util.Collections;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
+import java.util.UUID;
 import java.util.regex.Pattern;
 
 import awais.instagrabber.BuildConfig;
@@ -25,17 +38,29 @@ import awais.instagrabber.R;
 import awais.instagrabber.asyncs.DownloadAsync;
 import awais.instagrabber.asyncs.PostFetcher;
 import awais.instagrabber.models.BasePostModel;
-import awais.instagrabber.models.StoryModel;
+import awais.instagrabber.models.FeedModel;
+import awais.instagrabber.models.PostChild;
 import awais.instagrabber.models.direct_messages.DirectItemModel;
 import awais.instagrabber.models.enums.DownloadMethod;
 import awais.instagrabber.models.enums.MediaItemType;
+import awais.instagrabber.workers.DownloadWorker;
 import awaisomereport.LogCollector;
 
 import static awais.instagrabber.utils.Constants.FOLDER_PATH;
 import static awais.instagrabber.utils.Constants.FOLDER_SAVE_TO;
 
 public final class DownloadUtils {
+    public static final String WRITE_PERMISSION = Manifest.permission.WRITE_EXTERNAL_STORAGE;
     public static final String[] PERMS = new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE};
+    private static int lastNotificationId = UUID.randomUUID().hashCode();
+
+    public synchronized static int getNextDownloadNotificationId(@NonNull final Context context) {
+        lastNotificationId = lastNotificationId + 1;
+        if (lastNotificationId == Integer.MAX_VALUE) {
+            lastNotificationId = UUID.randomUUID().hashCode();
+        }
+        return lastNotificationId;
+    }
 
     public static void batchDownload(@NonNull final Context context,
                                      @Nullable String username,
@@ -57,20 +82,8 @@ public final class DownloadUtils {
                                           @Nullable final String username,
                                           final DownloadMethod method,
                                           final List<? extends BasePostModel> itemsToDownload) {
-        File dir = new File(Environment.getExternalStorageDirectory(), "Download");
-
-        if (Utils.settingsHelper.getBoolean(FOLDER_SAVE_TO)) {
-            final String customPath = Utils.settingsHelper.getString(FOLDER_PATH);
-            if (!TextUtils.isEmpty(customPath)) dir = new File(customPath);
-        }
-
-        if (Utils.settingsHelper.getBoolean(Constants.DOWNLOAD_USER_FOLDER) && !TextUtils.isEmpty(username))
-            dir = new File(dir, username);
-
-        if (!dir.exists() && !dir.mkdirs()) {
-            Toast.makeText(context, R.string.error_creating_folders, Toast.LENGTH_SHORT).show();
-            return;
-        }
+        final File dir = getDownloadDir(context, username);
+        if (dir == null) return;
         boolean checkEachPost = false;
         switch (method) {
             case DOWNLOAD_SAVED:
@@ -86,7 +99,11 @@ public final class DownloadUtils {
             final BasePostModel selectedItem = itemsToDownload.get(i);
             if (!checkEachPost) {
                 final boolean isSlider = itemsToDownloadSize > 1;
-                final File saveFile = getDownloadSaveFile(dir, selectedItem, isSlider ? "_slide_" + (i + 1) : "");
+                final File saveFile = getDownloadSaveFile(dir,
+                                                          selectedItem.getPostId(),
+                                                          isSlider ? "_slide_" + (i + 1) : "",
+                                                          selectedItem.getDisplayUrl()
+                );
                 new DownloadAsync(context,
                                   selectedItem.getDisplayUrl(),
                                   saveFile,
@@ -95,25 +112,64 @@ public final class DownloadUtils {
             } else {
                 final File finalDir = dir;
                 new PostFetcher(selectedItem.getShortCode(), result -> {
-                    if (result != null) {
-                        final int resultsSize = result.length;
-                        final boolean multiResult = resultsSize > 1;
-                        for (int j = 0; j < resultsSize; j++) {
-                            final BasePostModel model = result[j];
-                            final File saveFile = getDownloadSaveFile(finalDir, model, multiResult ? "_slide_" + (j + 1) : "");
+                    if (result == null) return;
+                    final boolean isSlider = result.getItemType() == MediaItemType.MEDIA_TYPE_SLIDER;
+                    if (isSlider) {
+                        for (int j = 0; j < result.getSliderItems().size(); j++) {
+                            final PostChild model = result.getSliderItems().get(j);
+                            final File saveFile = getDownloadSaveFile(
+                                    finalDir,
+                                    model.getPostId(),
+                                    "_slide_" + (j + 1),
+                                    model.getDisplayUrl()
+                            );
                             new DownloadAsync(context,
                                               model.getDisplayUrl(),
                                               saveFile,
-                                              file -> model.setDownloaded(true))
+                                              file -> {}/*model.setDownloaded(true)*/)
                                     .executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
                         }
+                    } else {
+                        final File saveFile = getDownloadSaveFile(
+                                finalDir,
+                                result.getPostId(),
+                                result.getDisplayUrl()
+                        );
+                        new DownloadAsync(context,
+                                          result.getDisplayUrl(),
+                                          saveFile,
+                                          file -> result.setDownloaded(true))
+                                .executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
                     }
                 }).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
             }
         }
     }
 
-    public static void dmDownload(@NonNull final Context context, @Nullable final String username, final DownloadMethod method,
+    @Nullable
+    private static File getDownloadDir(@NonNull final Context context, @Nullable final String username) {
+        File dir = new File(Environment.getExternalStorageDirectory(), "Download");
+
+        if (Utils.settingsHelper.getBoolean(FOLDER_SAVE_TO)) {
+            final String customPath = Utils.settingsHelper.getString(FOLDER_PATH);
+            if (!TextUtils.isEmpty(customPath)) dir = new File(customPath);
+        }
+
+        if (Utils.settingsHelper.getBoolean(Constants.DOWNLOAD_USER_FOLDER) && !TextUtils.isEmpty(username)) {
+            final String finaleUsername = username.startsWith("@") ? username : "@" + username;
+            dir = new File(dir, finaleUsername);
+        }
+
+        if (!dir.exists() && !dir.mkdirs()) {
+            Toast.makeText(context, R.string.error_creating_folders, Toast.LENGTH_SHORT).show();
+            return null;
+        }
+        return dir;
+    }
+
+    public static void dmDownload(@NonNull final Context context,
+                                  @Nullable final String username,
+                                  final DownloadMethod method,
                                   final DirectItemModel.DirectItemMediaModel itemsToDownload) {
         if (Utils.settingsHelper == null) Utils.settingsHelper = new SettingsHelper(context);
 
@@ -125,8 +181,10 @@ public final class DownloadUtils {
             ActivityCompat.requestPermissions((Activity) context, PERMS, 8020);
     }
 
-    private static void dmDownloadImpl(@NonNull final Context context, @Nullable final String username,
-                                       final DownloadMethod method, final DirectItemModel.DirectItemMediaModel selectedItem) {
+    private static void dmDownloadImpl(@NonNull final Context context,
+                                       @Nullable final String username,
+                                       final DownloadMethod method,
+                                       final DirectItemModel.DirectItemMediaModel selectedItem) {
         File dir = new File(Environment.getExternalStorageDirectory(), "Download");
 
         if (Utils.settingsHelper.getBoolean(FOLDER_SAVE_TO)) {
@@ -140,46 +198,83 @@ public final class DownloadUtils {
         if (dir.exists() || dir.mkdirs()) {
             new DownloadAsync(context,
                               selectedItem.getMediaType() == MediaItemType.MEDIA_TYPE_VIDEO ? selectedItem.getVideoUrl() : selectedItem.getThumbUrl(),
-                              getDownloadSaveFileDm(dir, selectedItem, ""),
-                              null).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+                              getDownloadSaveFileDm(dir, selectedItem),
+                              null)
+                    .executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
         } else
             Toast.makeText(context, R.string.error_creating_folders, Toast.LENGTH_SHORT).show();
     }
 
     @NonNull
-    private static File getDownloadSaveFile(final File finalDir, @NonNull final BasePostModel model, final String sliderPrefix) {
-        final String displayUrl = model.getDisplayUrl();
-        return new File(finalDir, model.getPostId() + '_' + model.getPosition() + sliderPrefix +
-                getExtensionFromModel(displayUrl, model));
+    private static File getDownloadSaveFile(final File finalDir,
+                                            final String postId,
+                                            final String displayUrl) {
+        return getDownloadSaveFile(finalDir, postId, "", displayUrl);
+    }
+
+    private static File getDownloadChildSaveFile(final File downloadDir,
+                                                 final String postId,
+                                                 final int childPosition,
+                                                 final String url) {
+        final String sliderPostfix = "_slide_" + childPosition;
+        return getDownloadSaveFile(downloadDir, postId, sliderPostfix, url);
     }
 
     @NonNull
-    private static File getDownloadSaveFileDm(final File finalDir,
-                                              @NonNull final DirectItemModel.DirectItemMediaModel model,
-                                              final String sliderPrefix) {
-        final String displayUrl = model.getMediaType() == MediaItemType.MEDIA_TYPE_VIDEO ? model.getVideoUrl() : model.getThumbUrl();
-        return new File(finalDir, model.getId() + sliderPrefix +
-                getExtensionFromModel(displayUrl, model));
+    private static File getDownloadSaveFile(final File finalDir,
+                                            final String postId,
+                                            final String sliderPostfix,
+                                            final String displayUrl) {
+        final String fileName = postId + sliderPostfix + "." + getFileExtensionFromUrl(displayUrl);
+        return new File(finalDir, fileName);
     }
 
     @NonNull
-    public static String getExtensionFromModel(@NonNull final String url, final Object model) {
-        final String extension;
-        final int index = url.indexOf('?');
-
-        if (index != -1) extension = url.substring(index - 4, index);
-        else {
-            final boolean isVideo;
-            if (model instanceof StoryModel)
-                isVideo = ((StoryModel) model).getItemType() == MediaItemType.MEDIA_TYPE_VIDEO;
-            else if (model instanceof BasePostModel)
-                isVideo = ((BasePostModel) model).getItemType() == MediaItemType.MEDIA_TYPE_VIDEO;
-            else
-                isVideo = false;
-            extension = isVideo || url.contains(".mp4") ? ".mp4" : ".jpg";
+    private static File getDownloadSaveFileDm(final File finalDir,
+                                              @NonNull final DirectItemModel.DirectItemMediaModel model) {
+        final boolean isVideo = model.getMediaType() == MediaItemType.MEDIA_TYPE_VIDEO;
+        final String displayUrl = isVideo ? model.getVideoUrl() : model.getThumbUrl();
+        return new File(finalDir, model.getId() + getFileExtensionFromUrl(displayUrl));
+    }
+
+    /**
+     * Copied from {@link MimeTypeMap#getFileExtensionFromUrl(String)})
+     * <p>
+     * Returns the file extension or an empty string if there is no
+     * extension. This method is a convenience method for obtaining the
+     * extension of a url and has undefined results for other Strings.
+     *
+     * @param url URL
+     * @return The file extension of the given url.
+     */
+    public static String getFileExtensionFromUrl(String url) {
+        if (!TextUtils.isEmpty(url)) {
+            int fragment = url.lastIndexOf('#');
+            if (fragment > 0) {
+                url = url.substring(0, fragment);
+            }
+
+            int query = url.lastIndexOf('?');
+            if (query > 0) {
+                url = url.substring(0, query);
+            }
+
+            int filenamePos = url.lastIndexOf('/');
+            String filename =
+                    0 <= filenamePos ? url.substring(filenamePos + 1) : url;
+
+            // if the filename contains special characters, we don't
+            // consider it valid for our matching purposes:
+            if (!filename.isEmpty() &&
+                    Pattern.matches("[a-zA-Z_0-9.\\-()%]+", filename)) {
+                int dotPos = filename.lastIndexOf('.');
+                if (0 <= dotPos) {
+                    return filename.substring(dotPos + 1);
+                }
+            }
         }
 
-        return extension;
+        return "";
     }
 
     public static void checkExistence(final File downloadDir, final File customDir, final boolean isSlider,
@@ -198,7 +293,7 @@ public final class DownloadUtils {
             final String fileWithoutPrefix = fileName + '0' + extension;
             exists = new File(downloadDir, fileWithoutPrefix).exists();
             if (!exists) {
-                final String fileWithPrefix = fileName + "[\\d]+(|_slide_[\\d]+)(\\.mp4|\\" + extension + ")";
+                final String fileWithPrefix = fileName + "[\\d]+(|_slide_[\\d]+)(\\.mp4|\\\\" + extension + ")";
                 final FilenameFilter filenameFilter = (dir, name) -> Pattern.matches(fileWithPrefix, name);
 
                 File[] files = downloadDir.listFiles(filenameFilter);
@@ -217,4 +312,66 @@ public final class DownloadUtils {
 
         model.setDownloaded(exists);
     }
+
+    public static void download(@NonNull final Context context,
+                                @NonNull final FeedModel feedModel) {
+        download(context, feedModel, -1);
+    }
+
+    public static void download(@NonNull final Context context,
+                                @NonNull final FeedModel feedModel,
+                                final int position) {
+        final File downloadDir = getDownloadDir(context, "@" + feedModel.getProfileModel().getUsername());
+        if (downloadDir == null) return;
+        switch (feedModel.getItemType()) {
+            case MEDIA_TYPE_IMAGE:
+            case MEDIA_TYPE_VIDEO: {
+                final String url = feedModel.getDisplayUrl();
+                final File file = getDownloadSaveFile(downloadDir, feedModel.getPostId(), url);
+                download(context, url, file.getAbsolutePath());
+                break;
+            }
+            case MEDIA_TYPE_SLIDER:
+                final List<PostChild> sliderItems = feedModel.getSliderItems();
+                final Map<String, String> map = new HashMap<>();
+                for (int i = 0; i < sliderItems.size(); i++) {
+                    final PostChild child = sliderItems.get(i);
+                    final String url = child.getDisplayUrl();
+                    final File file = getDownloadChildSaveFile(downloadDir, feedModel.getPostId(), i + 1, url);
+                    map.put(url, file.getAbsolutePath());
+                }
+                download(context, map);
+                break;
+            default:
+        }
+
+    }
+
+    private static void download(final Context context,
+                                 final String url,
+                                 final String filePath) {
+        if (context == null || url == null || filePath == null) return;
+        download(context, Collections.singletonMap(url, filePath));
+    }
+
+    private static void download(final Context context, final Map<String, String> urlFilePathMap) {
+        final Constraints constraints = new Constraints.Builder()
+                .setRequiredNetworkType(NetworkType.CONNECTED)
+                .build();
+        final DownloadWorker.DownloadRequest request = DownloadWorker.DownloadRequest.builder()
+                                                                                     .setUrlToFilePathMap(urlFilePathMap)
+                                                                                     .build();
+        final WorkRequest downloadWorkRequest = new OneTimeWorkRequest.Builder(DownloadWorker.class)
+                .setInputData(
+                        new Data.Builder()
+                                .putString(DownloadWorker.KEY_DOWNLOAD_REQUEST_JSON,
+                                           new Gson().toJson(request))
+                                .build()
+                )
+                .setConstraints(constraints)
+                .addTag("download")
+                .build();
+        WorkManager.getInstance(context)
+                   .enqueue(downloadWorkRequest);
+    }
 }

app/src/main/java/awais/instagrabber/utils/NavigationExtensions.java

@@ -131,6 +131,7 @@ public class NavigationExtensions {
         }
         final NavHostFragment navHostFragment = NavHostFragment.create(navGraphId);
         fragmentManager.beginTransaction()
+                       .setReorderingAllowed(true)
                        .add(containerId, navHostFragment, fragmentTag)
                        .commitNow();
         return navHostFragment;

app/src/main/java/awais/instagrabber/utils/NumberUtils.java

@@ -65,4 +65,8 @@ public final class NumberUtils {
         }
         return new Pair<>(tempWidth, tempHeight);
     }
+
+    public static float roundFloat2Decimals(final float value) {
+        return ((int) ((value + (value >= 0 ? 1 : -1) * 0.005f) * 100)) / 100f;
+    }
 }

app/src/main/java/awais/instagrabber/utils/SettingsHelper.java

@@ -30,6 +30,7 @@ import static awais.instagrabber.utils.Constants.MARK_AS_SEEN;
 import static awais.instagrabber.utils.Constants.MUTED_VIDEOS;
 import static awais.instagrabber.utils.Constants.PREF_DARK_THEME;
 import static awais.instagrabber.utils.Constants.PREF_LIGHT_THEME;
+import static awais.instagrabber.utils.Constants.PREF_POSTS_LAYOUT;
 import static awais.instagrabber.utils.Constants.PREV_INSTALL_VERSION;
 import static awais.instagrabber.utils.Constants.SHOW_QUICK_ACCESS_DIALOG;
 import static awais.instagrabber.utils.Constants.SKIPPED_VERSION;
@@ -113,7 +114,7 @@ public final class SettingsHelper {
 
     @StringDef(
             {APP_LANGUAGE, APP_THEME, COOKIE, FOLDER_PATH, DATE_TIME_FORMAT, DATE_TIME_SELECTION, CUSTOM_DATE_TIME_FORMAT,
-                    DEVICE_UUID, SKIPPED_VERSION, DEFAULT_TAB, PREF_DARK_THEME, PREF_LIGHT_THEME})
+                    DEVICE_UUID, SKIPPED_VERSION, DEFAULT_TAB, PREF_DARK_THEME, PREF_LIGHT_THEME, PREF_POSTS_LAYOUT})
     public @interface StringSettings {}
 
     @StringDef({DOWNLOAD_USER_FOLDER, FOLDER_SAVE_TO, AUTOPLAY_VIDEOS, SHOW_QUICK_ACCESS_DIALOG, MUTED_VIDEOS,

app/src/main/java/awais/instagrabber/utils/TextUtils.java

@@ -7,6 +7,8 @@ import android.text.style.URLSpan;
 
 import androidx.annotation.NonNull;
 
+import java.util.Locale;
+
 import awais.instagrabber.customviews.CommentMentionClickSpan;
 
 public final class TextUtils {
@@ -109,4 +111,22 @@ public final class TextUtils {
         }
         return "null".contentEquals(charSequence) || "".contentEquals(charSequence) || charSequence.length() < 1;
     }
+
+    public static String millisToTimeString(final long millis) {
+        return millisToTimeString(millis, false);
+    }
+
+    public static String millisToTimeString(final long millis, final boolean includeHoursAlways) {
+        final int sec = (int) (millis / 1000) % 60;
+        int min = (int) (millis / (1000 * 60));
+        if (min >= 60) {
+            min = (int) ((millis / (1000 * 60)) % 60);
+            final int hr = (int) ((millis / (1000 * 60 * 60)) % 24);
+            return String.format(Locale.ENGLISH, "%02d:%02d:%02d", hr, min, sec);
+        }
+        if (includeHoursAlways) {
+            return String.format(Locale.ENGLISH, "%02d:%02d:%02d", 0, min, sec);
+        }
+        return String.format(Locale.ENGLISH, "%02d:%02d", min, sec);
+    }
 }

app/src/main/java/awais/instagrabber/utils/Utils.java

@@ -47,6 +47,7 @@ public final class Utils {
     public static DisplayMetrics displayMetrics = Resources.getSystem().getDisplayMetrics();
     public static SimpleDateFormat datetimeParser;
     public static SimpleCache simpleCache;
+    private static int statusBarHeight;
 
     public static int convertDpToPx(final float dp) {
         if (displayMetrics == null)
@@ -146,4 +147,15 @@ public final class Utils {
         }
         return null;
     }
+
+    public static int getStatusBarHeight(final Context context) {
+        if (statusBarHeight > 0) {
+            return statusBarHeight;
+        }
+        int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen", "android");
+        if (resourceId > 0) {
+            statusBarHeight = context.getResources().getDimensionPixelSize(resourceId);
+        }
+        return statusBarHeight;
+    }
 }

app/src/main/java/awais/instagrabber/webservices/FeedService.java

@@ -0,0 +1,307 @@
+package awais.instagrabber.webservices;
+
+import android.os.Handler;
+import android.util.Log;
+
+import androidx.annotation.NonNull;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import awais.instagrabber.models.FeedModel;
+import awais.instagrabber.models.PostChild;
+import awais.instagrabber.models.ProfileModel;
+import awais.instagrabber.models.enums.MediaItemType;
+import awais.instagrabber.repositories.FeedRepository;
+import awais.instagrabber.repositories.responses.FeedFetchResponse;
+import awais.instagrabber.utils.Constants;
+import awais.instagrabber.utils.ResponseBodyUtils;
+import awais.instagrabber.utils.TextUtils;
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+import retrofit2.Retrofit;
+
+public class FeedService extends BaseService {
+    private static final String TAG = "FeedService";
+    private static final boolean loadFromMock = false;
+
+    private final FeedRepository repository;
+
+    private static FeedService instance;
+
+    private FeedService() {
+        final Retrofit retrofit = getRetrofitBuilder()
+                .baseUrl("https://www.instagram.com")
+                .build();
+        repository = retrofit.create(FeedRepository.class);
+    }
+
+    public static FeedService getInstance() {
+        if (instance == null) {
+            instance = new FeedService();
+        }
+        return instance;
+    }
+
+    public void fetch(final int maxItemsToLoad,
+                      final String cursor,
+                      final ServiceCallback<FeedFetchResponse> callback) {
+        if (loadFromMock) {
+            final Handler handler = new Handler();
+            handler.postDelayed(() -> {
+                final ClassLoader classLoader = getClass().getClassLoader();
+                if (classLoader == null) {
+                    Log.e(TAG, "fetch: classLoader is null!");
+                    return;
+                }
+                try (InputStream resourceAsStream = classLoader.getResourceAsStream("feed_response.json");
+                     Reader in = new InputStreamReader(resourceAsStream, StandardCharsets.UTF_8)) {
+                    final int bufferSize = 1024;
+                    final char[] buffer = new char[bufferSize];
+                    final StringBuilder out = new StringBuilder();
+                    int charsRead;
+                    while ((charsRead = in.read(buffer, 0, buffer.length)) > 0) {
+                        out.append(buffer, 0, charsRead);
+                    }
+                    callback.onSuccess(parseResponseBody(out.toString()));
+                } catch (IOException | JSONException e) {
+                    Log.e(TAG, "fetch: ", e);
+                }
+            }, 1000);
+            return;
+        }
+        final Map<String, String> queryMap = new HashMap<>();
+        queryMap.put("query_hash", "6b838488258d7a4820e48d209ef79eb1");
+        queryMap.put("variables", "{" +
+                "\"fetch_media_item_count\":" + maxItemsToLoad + "," +
+                "\"has_threaded_comments\":true," +
+                "\"fetch_media_item_cursor\":\"" + (cursor == null ? "" : cursor) + "\"" +
+                "}");
+        final Call<String> request = repository.fetch(queryMap);
+        request.enqueue(new Callback<String>() {
+            @Override
+            public void onResponse(@NonNull final Call<String> call, @NonNull final Response<String> response) {
+                try {
+                    // Log.d(TAG, "onResponse: body: " + response.body());
+                    final FeedFetchResponse feedFetchResponse = parseResponse(response);
+                    if (callback != null) {
+                        callback.onSuccess(feedFetchResponse);
+                    }
+                } catch (JSONException e) {
+                    Log.e(TAG, "onResponse", e);
+                    if (callback != null) {
+                        callback.onFailure(e);
+                    }
+                }
+            }
+
+            @Override
+            public void onFailure(@NonNull final Call<String> call, @NonNull final Throwable t) {
+                if (callback != null) {
+                    callback.onFailure(t);
+                }
+            }
+        });
+
+    }
+
+    @NonNull
+    private FeedFetchResponse parseResponse(@NonNull final Response<String> response) throws JSONException {
+        if (TextUtils.isEmpty(response.body())) {
+            Log.e(TAG, "parseResponse: feed response body is empty with status code: " + response.code());
+            return new FeedFetchResponse(Collections.emptyList(), false, null);
+        }
+        return parseResponseBody(response.body());
+    }
+
+    @NonNull
+    private FeedFetchResponse parseResponseBody(@NonNull final String body)
+            throws JSONException {
+        final List<FeedModel> feedModels = new ArrayList<>();
+        final JSONObject timelineFeed = new JSONObject(body)
+                .getJSONObject("data")
+                .getJSONObject(Constants.EXTRAS_USER)
+                .getJSONObject("edge_web_feed_timeline");
+        final String endCursor;
+        final boolean hasNextPage;
+
+        final JSONObject pageInfo = timelineFeed.getJSONObject("page_info");
+        if (pageInfo.has("has_next_page")) {
+            hasNextPage = pageInfo.getBoolean("has_next_page");
+            endCursor = hasNextPage ? pageInfo.getString("end_cursor") : null;
+        } else {
+            hasNextPage = false;
+            endCursor = null;
+        }
+
+        final JSONArray feedItems = timelineFeed.getJSONArray("edges");
+
+        for (int i = 0; i < feedItems.length(); ++i) {
+            final JSONObject feedItem = feedItems.getJSONObject(i).getJSONObject("node");
+            final String mediaType = feedItem.optString("__typename");
+            if (mediaType.isEmpty() || "GraphSuggestedUserFeedUnit".equals(mediaType))
+                continue;
+
+            final boolean isVideo = feedItem.optBoolean("is_video");
+            final long videoViews = feedItem.optLong("video_view_count", 0);
+
+            final String displayUrl = feedItem.optString("display_url");
+            if (TextUtils.isEmpty(displayUrl)) continue;
+            final String resourceUrl;
+
+            if (isVideo) {
+                resourceUrl = feedItem.getString("video_url");
+            } else {
+                resourceUrl = feedItem.has("display_resources") ? ResponseBodyUtils.getHighQualityImage(feedItem) : displayUrl;
+            }
+
+            ProfileModel profileModel = null;
+            if (feedItem.has("owner")) {
+                final JSONObject owner = feedItem.getJSONObject("owner");
+                profileModel = new ProfileModel(
+                        owner.optBoolean("is_private"),
+                        false, // if you can see it then you def follow
+                        owner.optBoolean("is_verified"),
+                        owner.getString(Constants.EXTRAS_ID),
+                        owner.getString(Constants.EXTRAS_USERNAME),
+                        owner.optString("full_name"),
+                        null,
+                        null,
+                        owner.getString("profile_pic_url"),
+                        null,
+                        0,
+                        0,
+                        0,
+                        false,
+                        false,
+                        false,
+                        false);
+            }
+            JSONObject tempJsonObject = feedItem.optJSONObject("edge_media_preview_comment");
+            final long commentsCount = tempJsonObject != null ? tempJsonObject.optLong("count") : 0;
+            tempJsonObject = feedItem.optJSONObject("edge_media_preview_like");
+            final long likesCount = tempJsonObject != null ? tempJsonObject.optLong("count") : 0;
+            tempJsonObject = feedItem.optJSONObject("edge_media_to_caption");
+            final JSONArray captions = tempJsonObject != null ? tempJsonObject.getJSONArray("edges") : null;
+            String captionText = null;
+            if (captions != null && captions.length() > 0) {
+                if ((tempJsonObject = captions.optJSONObject(0)) != null &&
+                        (tempJsonObject = tempJsonObject.optJSONObject("node")) != null) {
+                    captionText = tempJsonObject.getString("text");
+                }
+            }
+            final JSONObject location = feedItem.optJSONObject("location");
+            // Log.d(TAG, "location: " + (location == null ? null : location.toString()));
+            String locationId = null;
+            String locationName = null;
+            if (location != null) {
+                locationName = location.optString("name");
+                if (location.has("id")) {
+                    locationId = location.getString("id");
+                } else if (location.has("pk")) {
+                    locationId = location.getString("pk");
+                }
+                // Log.d(TAG, "locationId: " + locationId);
+            }
+            int height = 0;
+            int width = 0;
+            final JSONObject dimensions = feedItem.optJSONObject("dimensions");
+            if (dimensions != null) {
+                height = dimensions.optInt("height");
+                width = dimensions.optInt("width");
+            }
+            String thumbnailUrl = null;
+            try {
+                thumbnailUrl = feedItem.getJSONArray("display_resources")
+                                       .getJSONObject(0)
+                                       .getString("src");
+            } catch (JSONException ignored) {}
+            final FeedModel.Builder feedModelBuilder = new FeedModel.Builder()
+                    .setProfileModel(profileModel)
+                    .setItemType(isVideo ? MediaItemType.MEDIA_TYPE_VIDEO
+                                         : MediaItemType.MEDIA_TYPE_IMAGE)
+                    .setViewCount(videoViews)
+                    .setPostId(feedItem.getString(Constants.EXTRAS_ID))
+                    .setDisplayUrl(resourceUrl)
+                    .setThumbnailUrl(thumbnailUrl != null ? thumbnailUrl : displayUrl)
+                    .setShortCode(feedItem.getString(Constants.EXTRAS_SHORTCODE))
+                    .setPostCaption(captionText)
+                    .setCommentsCount(commentsCount)
+                    .setTimestamp(feedItem.optLong("taken_at_timestamp", -1))
+                    .setLiked(feedItem.getBoolean("viewer_has_liked"))
+                    .setBookmarked(feedItem.getBoolean("viewer_has_saved"))
+                    .setLikesCount(likesCount)
+                    .setLocationName(locationName)
+                    .setLocationId(locationId)
+                    .setImageHeight(height)
+                    .setImageWidth(width);
+
+            final boolean isSlider = "GraphSidecar".equals(mediaType) && feedItem.has("edge_sidecar_to_children");
+
+            if (isSlider) {
+                feedModelBuilder.setItemType(MediaItemType.MEDIA_TYPE_SLIDER);
+                final JSONObject sidecar = feedItem.optJSONObject("edge_sidecar_to_children");
+                if (sidecar != null) {
+                    final JSONArray children = sidecar.optJSONArray("edges");
+                    if (children != null) {
+                        final List<PostChild> sliderItems = getSliderItems(children);
+                        feedModelBuilder.setSliderItems(sliderItems);
+                    }
+                }
+            }
+            final FeedModel feedModel = feedModelBuilder.build();
+            feedModels.add(feedModel);
+        }
+        return new FeedFetchResponse(feedModels, hasNextPage, endCursor);
+    }
+
+    @NonNull
+    private List<PostChild> getSliderItems(final JSONArray children) throws JSONException {
+        final List<PostChild> sliderItems = new ArrayList<>();
+        for (int j = 0; j < children.length(); ++j) {
+            final JSONObject childNode = children.optJSONObject(j).getJSONObject("node");
+            final boolean isChildVideo = childNode.optBoolean("is_video");
+            int height = 0;
+            int width = 0;
+            final JSONObject dimensions = childNode.optJSONObject("dimensions");
+            if (dimensions != null) {
+                height = dimensions.optInt("height");
+                width = dimensions.optInt("width");
+            }
+            String thumbnailUrl = null;
+            try {
+                thumbnailUrl = childNode.getJSONArray("display_resources")
+                                        .getJSONObject(0)
+                                        .getString("src");
+            } catch (JSONException ignored) {}
+            final PostChild sliderItem = new PostChild.Builder()
+                    .setItemType(isChildVideo ? MediaItemType.MEDIA_TYPE_VIDEO
+                                              : MediaItemType.MEDIA_TYPE_IMAGE)
+                    .setPostId(childNode.getString(Constants.EXTRAS_ID))
+                    .setDisplayUrl(isChildVideo ? childNode.getString("video_url")
+                                                : childNode.getString("display_url"))
+                    .setThumbnailUrl(thumbnailUrl != null ? thumbnailUrl
+                                                          : childNode.getString("display_url"))
+                    .setVideoViews(childNode.optLong("video_view_count", 0))
+                    .setHeight(height)
+                    .setWidth(width)
+                    .build();
+            // Log.d(TAG, "getSliderItems: sliderItem: " + sliderItem);
+            sliderItems.add(sliderItem);
+        }
+        return sliderItems;
+    }
+}

app/src/main/java/awais/instagrabber/webservices/StoriesService.java

@@ -1,5 +1,6 @@
 package awais.instagrabber.webservices;
 
+import android.os.Handler;
 import android.util.Log;
 
 import androidx.annotation.NonNull;
@@ -8,6 +9,11 @@ import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
 
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -30,6 +36,7 @@ import retrofit2.Retrofit;
 
 public class StoriesService extends BaseService {
     private static final String TAG = "StoriesService";
+    private static final boolean loadFromMock = false;
 
     private final StoriesRepository repository;
 
@@ -50,6 +57,30 @@ public class StoriesService extends BaseService {
     }
 
     public void getFeedStories(final ServiceCallback<List<FeedStoryModel>> callback) {
+        if (loadFromMock) {
+            final Handler handler = new Handler();
+            handler.postDelayed(() -> {
+                final ClassLoader classLoader = getClass().getClassLoader();
+                if (classLoader == null) {
+                    Log.e(TAG, "getFeedStories: classLoader is null!");
+                    return;
+                }
+                try (InputStream resourceAsStream = classLoader.getResourceAsStream("stories_response.json");
+                     Reader in = new InputStreamReader(resourceAsStream, StandardCharsets.UTF_8)) {
+                    final int bufferSize = 1024;
+                    final char[] buffer = new char[bufferSize];
+                    final StringBuilder out = new StringBuilder();
+                    int charsRead;
+                    while ((charsRead = in.read(buffer, 0, buffer.length)) > 0) {
+                        out.append(buffer, 0, charsRead);
+                    }
+                    parseStoriesBody(out.toString(), callback);
+                } catch (IOException e) {
+                    Log.e(TAG, "getFeedStories: ", e);
+                }
+            }, 1000);
+            return;
+        }
         final Map<String, String> queryMap = new HashMap<>();
         queryMap.put("query_hash", "b7b84d884400bc5aa7cfe12ae843a091");
         queryMap.put("variables", "{\"only_stories\":true,\"stories_prefetch\":false,\"stories_video_dash_manifest\":false}");
@@ -62,31 +93,7 @@ public class StoriesService extends BaseService {
                     Log.e(TAG, "getFeedStories: body is empty");
                     return;
                 }
-                try {
-                    final List<FeedStoryModel> feedStoryModels = new ArrayList<>();
-                    final JSONArray feedStoriesReel = new JSONObject(body)
-                            .getJSONObject("data")
-                            .getJSONObject(Constants.EXTRAS_USER)
-                            .getJSONObject("feed_reels_tray")
-                            .getJSONObject("edge_reels_tray_to_reel")
-                            .getJSONArray("edges");
-                    for (int i = 0; i < feedStoriesReel.length(); ++i) {
-                        final JSONObject node = feedStoriesReel.getJSONObject(i).getJSONObject("node");
-                        final JSONObject user = node.getJSONObject(node.has("user") ? "user" : "owner");
-                        final ProfileModel profileModel = new ProfileModel(false, false, false,
-                                user.getString("id"),
-                                user.getString("username"),
-                                null, null, null,
-                                user.getString("profile_pic_url"),
-                                null, 0, 0, 0, false, false, false, false);
-                        final String id = node.getString("id");
-                        final boolean fullyRead = !node.isNull("seen") && node.getLong("seen") == node.getLong("latest_reel_media");
-                        feedStoryModels.add(new FeedStoryModel(id, profileModel, fullyRead));
-                    }
-                    callback.onSuccess(feedStoryModels);
-                } catch (JSONException e) {
-                    Log.e(TAG, "Error parsing json", e);
-                }
+                parseStoriesBody(body, callback);
             }
 
             @Override
@@ -96,6 +103,34 @@ public class StoriesService extends BaseService {
         });
     }
 
+    private void parseStoriesBody(final String body, final ServiceCallback<List<FeedStoryModel>> callback) {
+        try {
+            final List<FeedStoryModel> feedStoryModels = new ArrayList<>();
+            final JSONArray feedStoriesReel = new JSONObject(body)
+                    .getJSONObject("data")
+                    .getJSONObject(Constants.EXTRAS_USER)
+                    .getJSONObject("feed_reels_tray")
+                    .getJSONObject("edge_reels_tray_to_reel")
+                    .getJSONArray("edges");
+            for (int i = 0; i < feedStoriesReel.length(); ++i) {
+                final JSONObject node = feedStoriesReel.getJSONObject(i).getJSONObject("node");
+                final JSONObject user = node.getJSONObject(node.has("user") ? "user" : "owner");
+                final ProfileModel profileModel = new ProfileModel(false, false, false,
+                                                                   user.getString("id"),
+                                                                   user.getString("username"),
+                                                                   null, null, null,
+                                                                   user.getString("profile_pic_url"),
+                                                                   null, 0, 0, 0, false, false, false, false);
+                final String id = node.getString("id");
+                final boolean fullyRead = !node.isNull("seen") && node.getLong("seen") == node.getLong("latest_reel_media");
+                feedStoryModels.add(new FeedStoryModel(id, profileModel, fullyRead));
+            }
+            callback.onSuccess(feedStoryModels);
+        } catch (JSONException e) {
+            Log.e(TAG, "Error parsing json", e);
+        }
+    }
+
     public void getUserStory(final String id,
                              final String username,
                              final boolean isLoc,
@@ -138,12 +173,15 @@ public class StoriesService extends BaseService {
                             data = media.getJSONObject(i);
                             final boolean isVideo = data.has("video_duration");
                             final StoryModel model = new StoryModel(data.getString("id"),
-                                    data.getJSONObject("image_versions2").getJSONArray("candidates").getJSONObject(0).getString("url"),
-                                    isVideo ? MediaItemType.MEDIA_TYPE_VIDEO : MediaItemType.MEDIA_TYPE_IMAGE,
-                                    data.optLong("taken_at", 0),
-                                    (isLoc || isHashtag) ? data.getJSONObject("user").getString("username") : localUsername,
-                                    data.getJSONObject("user").getString("pk"),
-                                    data.getBoolean("can_reply"));
+                                                                    data.getJSONObject("image_versions2").getJSONArray("candidates").getJSONObject(0)
+                                                                        .getString("url"),
+                                                                    isVideo ? MediaItemType.MEDIA_TYPE_VIDEO : MediaItemType.MEDIA_TYPE_IMAGE,
+                                                                    data.optLong("taken_at", 0),
+                                                                    (isLoc || isHashtag)
+                                                                    ? data.getJSONObject("user").getString("username")
+                                                                    : localUsername,
+                                                                    data.getJSONObject("user").getString("pk"),
+                                                                    data.getBoolean("can_reply"));
 
                             final JSONArray videoResources = data.optJSONArray("video_versions");
                             if (isVideo && videoResources != null)
@@ -174,7 +212,8 @@ public class StoriesService extends BaseService {
                                 ));
                             }
                             if (data.has("story_questions")) {
-                                final JSONObject tappableObject = data.getJSONArray("story_questions").getJSONObject(0).optJSONObject("question_sticker");
+                                final JSONObject tappableObject = data.getJSONArray("story_questions").getJSONObject(0)
+                                                                      .optJSONObject("question_sticker");
                                 if (tappableObject != null && !tappableObject.getString("question_type").equals("music"))
                                     model.setQuestion(new QuestionModel(
                                             String.valueOf(tappableObject.getLong("question_id")),
@@ -229,8 +268,7 @@ public class StoriesService extends BaseService {
                             models.add(model);
                         }
                         callback.onSuccess(models);
-                    }
-                    else {
+                    } else {
                         callback.onSuccess(null);
                     }
                 } catch (JSONException e) {
@@ -251,14 +289,11 @@ public class StoriesService extends BaseService {
         builder.append("https://i.instagram.com/api/v1/");
         if (isLoc) {
             builder.append("locations/");
-        }
-        else if (isHashtag) {
+        } else if (isHashtag) {
             builder.append("tags/");
-        }
-        else if (highlight) {
+        } else if (highlight) {
             builder.append("feed/reels_media/?user_ids=");
-        }
-        else {
+        } else {
             builder.append("feed/user/");
         }
         builder.append(userId);

app/src/main/java/awais/instagrabber/workers/DownloadWorker.java

@@ -0,0 +1,382 @@
+package awais.instagrabber.workers;
+
+import android.app.Notification;
+import android.app.PendingIntent;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.media.MediaMetadataRetriever;
+import android.media.MediaScannerConnection;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Handler;
+import android.os.Looper;
+import android.util.Log;
+
+import androidx.annotation.NonNull;
+import androidx.core.app.NotificationCompat;
+import androidx.core.app.NotificationManagerCompat;
+import androidx.core.content.FileProvider;
+import androidx.work.Data;
+import androidx.work.ForegroundInfo;
+import androidx.work.Worker;
+import androidx.work.WorkerParameters;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonSyntaxException;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ExecutionException;
+import java.util.stream.Collectors;
+
+import awais.instagrabber.BuildConfig;
+import awais.instagrabber.R;
+import awais.instagrabber.activities.MainActivity;
+import awais.instagrabber.utils.Constants;
+import awais.instagrabber.utils.TextUtils;
+import awais.instagrabber.utils.Utils;
+import awaisomereport.LogCollector;
+
+import static awais.instagrabber.utils.Constants.DOWNLOAD_CHANNEL_ID;
+import static awais.instagrabber.utils.Constants.NOTIF_GROUP_NAME;
+import static awais.instagrabber.utils.Utils.logCollector;
+
+public class DownloadWorker extends Worker {
+    private static final String TAG = "DownloadWorker";
+    private static final String PROGRESS = "PROGRESS";
+    private static final String URL = "URL";
+    private static final String DOWNLOAD_GROUP = "DOWNLOAD_GROUP";
+
+    public static final String KEY_DOWNLOAD_REQUEST_JSON = "download_request_json";
+    public static final int DOWNLOAD_NOTIFICATION_INTENT_REQUEST_CODE = 2020;
+    public static final int DELETE_IMAGE_REQUEST_CODE = 2030;
+
+    private final NotificationManagerCompat notificationManager;
+
+    public DownloadWorker(@NonNull final Context context, @NonNull final WorkerParameters workerParams) {
+        super(context, workerParams);
+        notificationManager = NotificationManagerCompat.from(context);
+    }
+
+    @NonNull
+    @Override
+    public Result doWork() {
+        final String downloadRequestString = getInputData().getString(KEY_DOWNLOAD_REQUEST_JSON);
+        if (TextUtils.isEmpty(downloadRequestString)) {
+            return Result.failure(new Data.Builder()
+                                          .putString("error", "downloadRequest is empty or null")
+                                          .build());
+        }
+        final DownloadRequest downloadRequest;
+        try {
+            downloadRequest = new Gson().fromJson(downloadRequestString, DownloadRequest.class);
+        } catch (JsonSyntaxException e) {
+            Log.e(TAG, "doWork", e);
+            return Result.failure(new Data.Builder()
+                                          .putString("error", e.getLocalizedMessage())
+                                          .build());
+        }
+        if (downloadRequest == null) {
+            return Result.failure(new Data.Builder()
+                                          .putString("error", "downloadRequest is null")
+                                          .build());
+        }
+        final Map<String, String> urlToFilePathMap = downloadRequest.getUrlToFilePathMap();
+        download(urlToFilePathMap);
+        new Handler(Looper.getMainLooper()).postDelayed(() -> showSummary(urlToFilePathMap), 500);
+        return Result.success();
+    }
+
+    private void download(final Map<String, String> urlToFilePathMap) {
+        final int notificationId = getNotificationId();
+        final Set<Map.Entry<String, String>> entries = urlToFilePathMap.entrySet();
+        int count = 1;
+        final int total = urlToFilePathMap.size();
+        for (final Map.Entry<String, String> urlAndFilePath : entries) {
+            final String url = urlAndFilePath.getKey();
+            updateDownloadProgress(notificationId, count, total, 0);
+            download(notificationId, count, total, url, urlAndFilePath.getValue());
+            count++;
+        }
+    }
+
+    private int getNotificationId() {
+        return Math.abs(getId().hashCode());
+    }
+
+    private void download(final int notificationId,
+                          final int position,
+                          final int total,
+                          final String url,
+                          final String filePath) {
+        final File outFile = new File(filePath);
+        try {
+            final URLConnection urlConnection = new URL(url).openConnection();
+            final long fileSize = Build.VERSION.SDK_INT >= 24 ? urlConnection.getContentLengthLong() :
+                                  urlConnection.getContentLength();
+            float totalRead = 0;
+            try (final BufferedInputStream bis = new BufferedInputStream(urlConnection.getInputStream());
+                 final FileOutputStream fos = new FileOutputStream(outFile)) {
+                final byte[] buffer = new byte[0x2000];
+                int count;
+                boolean deletedIPTC = false;
+                while ((count = bis.read(buffer, 0, 0x2000)) != -1) {
+                    totalRead = totalRead + count;
+                    if (!deletedIPTC) {
+                        int iptcStart = -1;
+                        int fbmdStart = -1;
+                        int fbmdBytesLen = -1;
+                        for (int i = 0; i < buffer.length; ++i) {
+                            if (buffer[i] == (byte) 0xFF && buffer[i + 1] == (byte) 0xED)
+                                iptcStart = i;
+                            else if (buffer[i] == (byte) 'F' && buffer[i + 1] == (byte) 'B'
+                                    && buffer[i + 2] == (byte) 'M' && buffer[i + 3] == (byte) 'D') {
+                                fbmdStart = i;
+                                fbmdBytesLen = buffer[i - 10] << 24 | (buffer[i - 9] & 0xFF) << 16 |
+                                        (buffer[i - 8] & 0xFF) << 8 | (buffer[i - 7] & 0xFF) |
+                                        (buffer[i - 6] & 0xFF);
+                                break;
+                            }
+                        }
+                        if (iptcStart != -1 && fbmdStart != -1 && fbmdBytesLen != -1) {
+                            final int fbmdDataLen = (iptcStart + (fbmdStart - iptcStart) + (fbmdBytesLen - iptcStart)) - 4;
+                            fos.write(buffer, 0, iptcStart);
+                            fos.write(buffer, fbmdDataLen + iptcStart, count - fbmdDataLen - iptcStart);
+                            // setProgressAsync(new Data.Builder().putString(URL, url)
+                            //                                    .putFloat(PROGRESS, totalRead * 100f / fileSize)
+                            //                                    .build());
+                            updateDownloadProgress(notificationId, position, total, totalRead * 100f / fileSize);
+                            deletedIPTC = true;
+                            continue;
+                        }
+                    }
+                    fos.write(buffer, 0, count);
+                    // setProgressAsync(new Data.Builder().putString(URL, url)
+                    //                                    .putFloat(PROGRESS, totalRead * 100f / fileSize)
+                    //                                    .build());
+                    updateDownloadProgress(notificationId, position, total, totalRead * 100f / fileSize);
+                }
+                fos.flush();
+            }
+        } catch (final Exception e) {
+            Log.e(TAG, "Error while downloading: " + url, e);
+        }
+        updateDownloadProgress(notificationId, position, total, 100);
+    }
+
+    // private void showCompleteNotification(final String url) {
+    //     final Context context = getApplicationContext();
+    //     final Notification notification = new NotificationCompat.Builder(context, Constants.DOWNLOAD_CHANNEL_ID)
+    //             .setCategory(NotificationCompat.CATEGORY_STATUS)
+    //             .setSmallIcon(R.drawable.ic_download)
+    //             .setAutoCancel(false)
+    //             .setOnlyAlertOnce(true)
+    //             .setContentTitle(context.getString(R.string.downloader_complete))
+    //             .setGroup(DOWNLOAD_GROUP)
+    //             .build();
+    //     final int id = Math.abs(url.hashCode());
+    //     Log.d(TAG, "showCompleteNotification: cancelling: " + id);
+    //     notificationManager.cancel(id);
+    //     // WorkManager.getInstance(getApplicationContext()).
+    //     notificationManager.notify(id + 1, notification);
+    // }
+
+    private void updateDownloadProgress(final int notificationId,
+                                        final int position,
+                                        final int total,
+                                        final float percent) {
+        final Notification notification = createProgressNotification(position, total, percent);
+        try {
+            setForegroundAsync(new ForegroundInfo(notificationId, notification)).get();
+        } catch (ExecutionException | InterruptedException e) {
+            Log.e(TAG, "updateDownloadProgress", e);
+        }
+    }
+
+    private Notification createProgressNotification(final int position, final int total, final float percent) {
+        final Context context = getApplicationContext();
+        boolean ongoing = true;
+        int totalPercent;
+        if (position == total && percent == 100) {
+            ongoing = false;
+            totalPercent = 100;
+        } else {
+            totalPercent = (int) ((100f * (position - 1) / total) + (1f / total) * (percent));
+        }
+        // Log.d(TAG, "createProgressNotification: position: " + position
+        //         + ", total: " + total
+        //         + ", percent: " + percent
+        //         + ", totalPercent: " + totalPercent);
+        final NotificationCompat.Builder builder = new NotificationCompat.Builder(context, Constants.DOWNLOAD_CHANNEL_ID)
+                .setCategory(NotificationCompat.CATEGORY_PROGRESS)
+                .setSmallIcon(R.drawable.ic_download)
+                .setOngoing(ongoing)
+                .setProgress(100, totalPercent, totalPercent < 0)
+                .setAutoCancel(false)
+                .setOnlyAlertOnce(true)
+                .setContentTitle(context.getString(R.string.downloader_downloading_post));
+        if (total > 1) {
+            builder.setContentText(context.getString(R.string.downloader_downloading_child, position, total));
+        }
+        return builder.build();
+    }
+
+    private void showSummary(final Map<String, String> urlToFilePathMap) {
+        final Context context = getApplicationContext();
+        final Collection<String> filePaths = urlToFilePathMap.values();
+        final List<NotificationCompat.Builder> notifications = filePaths
+                .stream()
+                .map(filePath -> {
+                    final File file = new File(filePath);
+                    context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.fromFile(file)));
+                    MediaScannerConnection.scanFile(context, new String[]{file.getAbsolutePath()}, null, null);
+                    final Uri uri = FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID + ".provider", file);
+                    final ContentResolver contentResolver = context.getContentResolver();
+                    Bitmap bitmap = null;
+                    if (Utils.isImage(uri, contentResolver)) {
+                        try (final InputStream inputStream = contentResolver.openInputStream(uri)) {
+                            bitmap = BitmapFactory.decodeStream(inputStream);
+                        } catch (final Exception e) {
+                            if (logCollector != null)
+                                logCollector.appendException(e, LogCollector.LogFile.ASYNC_DOWNLOADER, "onPostExecute::bitmap_1");
+                            if (BuildConfig.DEBUG) Log.e(TAG, "", e);
+                        }
+                    }
+                    if (bitmap == null) {
+                        final MediaMetadataRetriever retriever = new MediaMetadataRetriever();
+                        try {
+                            try {
+                                retriever.setDataSource(context, uri);
+                            } catch (final Exception e) {
+                                retriever.setDataSource(file.getAbsolutePath());
+                            }
+                            bitmap = retriever.getFrameAtTime();
+                            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q)
+                                try {
+                                    retriever.close();
+                                } catch (final Exception e) {
+                                    if (logCollector != null)
+                                        logCollector.appendException(e, LogCollector.LogFile.ASYNC_DOWNLOADER, "onPostExecute::bitmap_2");
+                                }
+                        } catch (final Exception e) {
+                            if (BuildConfig.DEBUG) Log.e(TAG, "", e);
+                            if (logCollector != null)
+                                logCollector.appendException(e, LogCollector.LogFile.ASYNC_DOWNLOADER, "onPostExecute::bitmap_3");
+                        }
+                    }
+                    final String downloadComplete = context.getString(R.string.downloader_complete);
+                    final Intent intent = new Intent(Intent.ACTION_VIEW, uri)
+                            .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+                                              | Intent.FLAG_FROM_BACKGROUND
+                                              | Intent.FLAG_GRANT_READ_URI_PERMISSION
+                                              | Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
+                            .putExtra(Intent.EXTRA_STREAM, uri);
+                    final PendingIntent pendingIntent = PendingIntent.getActivity(
+                            context,
+                            DOWNLOAD_NOTIFICATION_INTENT_REQUEST_CODE,
+                            intent,
+                            PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_ONE_SHOT
+                    );
+                    final Intent deleteIntent = new Intent(getApplicationContext(), MainActivity.class)
+                            .setAction(Constants.ACTION_SHOW_ACTIVITY)
+                            .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_SINGLE_TOP);
+                    final PendingIntent deleteItemIntent = PendingIntent
+                            .getActivity(getApplicationContext(), DELETE_IMAGE_REQUEST_CODE, intent, PendingIntent.FLAG_UPDATE_CURRENT);
+                    final NotificationCompat.Builder builder = new NotificationCompat.Builder(context, DOWNLOAD_CHANNEL_ID)
+                            .setSmallIcon(R.drawable.ic_download)
+                            .setContentText(null)
+                            .setContentTitle(downloadComplete)
+                            .setWhen(System.currentTimeMillis())
+                            .setOnlyAlertOnce(true)
+                            .setAutoCancel(true)
+                            .setGroup(NOTIF_GROUP_NAME + "_" + getId())
+                            .setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_SUMMARY)
+                            .setContentIntent(pendingIntent)
+                            .addAction(R.drawable.ic_delete, context.getString(R.string.delete), deleteItemIntent);
+                    if (bitmap != null) {
+                        builder.setLargeIcon(bitmap)
+                               .setStyle(new NotificationCompat.BigPictureStyle()
+                                                 .bigPicture(bitmap)
+                                                 .bigLargeIcon(null))
+                               .setBadgeIconType(NotificationCompat.BADGE_ICON_SMALL);
+                    }
+                    return builder;
+                })
+                .collect(Collectors.toList());
+        Notification summaryNotification = null;
+        if (urlToFilePathMap.size() != 1) {
+            final String text = "Downloaded " + urlToFilePathMap.size() + " items";
+            summaryNotification = new NotificationCompat.Builder(context, DOWNLOAD_CHANNEL_ID)
+                    .setContentTitle("Downloaded")
+                    .setContentText(text)
+                    .setSmallIcon(R.drawable.ic_download)
+                    .setStyle(new NotificationCompat.InboxStyle().setSummaryText(text))
+                    .setGroup(NOTIF_GROUP_NAME + "_" + getId())
+                    .setGroupSummary(true)
+                    .build();
+        }
+        int count = 1;
+        for (final NotificationCompat.Builder builder : notifications) {
+            // only make sound and vibrate for the last notification
+            if (count != notifications.size()) {
+                builder.setSound(null)
+                       .setVibrate(null);
+            }
+            notificationManager.notify(getNotificationId() + count, builder.build());
+            count++;
+        }
+        if (summaryNotification != null) {
+            notificationManager.notify(getNotificationId() + count, summaryNotification);
+        }
+
+    }
+
+    public static class DownloadRequest {
+        private final Map<String, String> urlToFilePathMap;
+
+        public static class Builder {
+            private Map<String, String> urlToFilePathMap;
+
+            public Builder setUrlToFilePathMap(final Map<String, String> urlToFilePathMap) {
+                this.urlToFilePathMap = urlToFilePathMap;
+                return this;
+            }
+
+            public Builder addUrl(@NonNull final String url, @NonNull final String filePath) {
+                if (urlToFilePathMap == null) {
+                    urlToFilePathMap = new HashMap<>();
+                }
+                urlToFilePathMap.put(url, filePath);
+                return this;
+            }
+
+            public DownloadRequest build() {
+                return new DownloadRequest(urlToFilePathMap);
+            }
+        }
+
+        public static Builder builder() {
+            return new Builder();
+        }
+
+        private DownloadRequest(final Map<String, String> urlToFilePathMap) {
+            this.urlToFilePathMap = urlToFilePathMap;
+        }
+
+        public Map<String, String> getUrlToFilePathMap() {
+            return urlToFilePathMap;
+        }
+    }
+}

app/src/main/res/anim/dialog_anim_in.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <scale
+        android:duration="400"
+        android:fillAfter="false"
+        android:fromXScale="0.9"
+        android:fromYScale="0.9"
+        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
+        android:pivotX="50%"
+        android:pivotY="30%"
+        android:toXScale="1.0"
+        android:toYScale="1.0" />
+
+    <alpha
+        android:duration="200"
+        android:fromAlpha="0.5"
+        android:toAlpha="1.0" />
+</set>

app/src/main/res/anim/dialog_anim_out.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <scale
+        android:duration="400"
+        android:fillAfter="false"
+        android:fromXScale="1.0"
+        android:fromYScale="1.0"
+        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
+        android:pivotX="50%"
+        android:pivotY="30%"
+        android:toXScale="0.9"
+        android:toYScale="0.9" />
+
+    <alpha
+        android:duration="200"
+        android:startOffset="200"
+        android:fromAlpha="1.0"
+        android:toAlpha="0.0" />
+</set>

app/src/main/res/drawable/background_grey_ripple.xml

@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ripple xmlns:android="http://schemas.android.com/apk/res/android"
+    android:color="@color/grey_500" />

app/src/main/res/drawable/ic_border_style_flipped_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M9,21L7,21L7,19L9,19M5,21L3,21L3,19L5,19M17,21L15,21L15,19L17,19M13,21L11,21L11,19L13,19M5,17L3,17L3,15L5,15M5,13L3,13L3,11L5,11M21,3L21,21L19,21L19,5L3,5L3,3M5,9L3,9L3,7L5,7" />
+</vector>

app/src/main/res/drawable/ic_checkbox_multiple_blank.xml

@@ -0,0 +1,11 @@
+<!-- drawable/checkbox_multiple_blank.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#000"
+        android:pathData="M22,16A2,2 0 0,1 20,18H8C6.89,18 6,17.1 6,16V4C6,2.89 6.89,2 8,2H20A2,2 0 0,1 22,4V16M16,20V22H4A2,2 0 0,1 2,20V7H4V20H16Z" />
+</vector>

app/src/main/res/drawable/ic_checkbox_multiple_blank_stroke.xml

@@ -0,0 +1,13 @@
+<!-- drawable/checkbox_multiple_blank.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@color/white"
+        android:pathData="M22,16A2,2 0 0,1 20,18H8C6.89,18 6,17.1 6,16V4C6,2.89 6.89,2 8,2H20A2,2 0 0,1 22,4V16M16,20V22H4A2,2 0 0,1 2,20V7H4V20H16Z"
+        android:strokeWidth="0.4"
+        android:strokeColor="@color/black_a50"
+        android:strokeLineJoin="round" />
+</vector>

app/src/main/res/drawable/ic_class_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M18,2H6c-1.1,0 -2,0.9 -2,2v16c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2V4c0,-1.1 -0.9,-2 -2,-2zM6,4h5v8l-2.5,-1.5L6,12V4z"/>
+</vector>

app/src/main/res/drawable/ic_dashboard_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M3,13h8L11,3L3,3v10zM3,21h8v-6L3,15v6zM13,21h8L21,11h-8v10zM13,3v6h8L21,3h-8z"/>
+</vector>

app/src/main/res/drawable/ic_forward_5_24.xml

@@ -0,0 +1,13 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M18,13c0,3.31 -2.69,6 -6,6s-6,-2.69 -6,-6s2.69,-6 6,-6v4l5,-5l-5,-5v4c-4.42,0 -8,3.58 -8,8c0,4.42 3.58,8 8,8c4.42,0 8,-3.58 8,-8H18z"/>
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M12.03,15.38c-0.44,0 -0.58,-0.31 -0.6,-0.56h-0.84c0.03,0.85 0.79,1.25 1.44,1.25c0.93,0 1.44,-0.63 1.44,-1.43c0,-1.33 -0.97,-1.44 -1.3,-1.44c-0.2,0 -0.43,0.05 -0.64,0.16l0.11,-0.92h1.7v-0.71h-2.39l-0.25,2.17l0.67,0.17c0.13,-0.13 0.28,-0.23 0.57,-0.23c0.4,0 0.69,0.23 0.69,0.75C12.62,14.64 12.65,15.38 12.03,15.38z"/>
+</vector>

app/src/main/res/drawable/ic_notes_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M3,18h12v-2L3,16v2zM3,6v2h18L21,6L3,6zM3,13h18v-2L3,11v2z"/>
+</vector>

app/src/main/res/drawable/ic_pause_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M6,19h4L10,5L6,5v14zM14,5v14h4L18,5h-4z"/>
+</vector>

app/src/main/res/drawable/ic_play_arrow_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M8,5v14l11,-7z"/>
+</vector>

app/src/main/res/drawable/ic_play_circle_outline_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M10,16.5l6,-4.5 -6,-4.5v9zM12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM12,20c-4.41,0 -8,-3.59 -8,-8s3.59,-8 8,-8 8,3.59 8,8 -3.59,8 -8,8z"/>
+</vector>

app/src/main/res/drawable/ic_profile_40.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="40dp"
+    android:height="40dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM12,5c1.66,0 3,1.34 3,3s-1.34,3 -3,3 -3,-1.34 -3,-3 1.34,-3 3,-3zM12,19.2c-2.5,0 -4.71,-1.28 -6,-3.22 0.03,-1.99 4,-3.08 6,-3.08 1.99,0 5.97,1.09 6,3.08 -1.29,1.94 -3.5,3.22 -6,3.22z" />
+</vector>

app/src/main/res/drawable/ic_profile_48.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="48dp"
+    android:height="48dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM12,5c1.66,0 3,1.34 3,3s-1.34,3 -3,3 -3,-1.34 -3,-3 1.34,-3 3,-3zM12,19.2c-2.5,0 -4.71,-1.28 -6,-3.22 0.03,-1.99 4,-3.08 6,-3.08 1.99,0 5.97,1.09 6,3.08 -1.29,1.94 -3.5,3.22 -6,3.22z" />
+</vector>

app/src/main/res/drawable/ic_replay_5_24.xml

@@ -0,0 +1,13 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M12,5V1L7,6l5,5V7c3.31,0 6,2.69 6,6s-2.69,6 -6,6s-6,-2.69 -6,-6H4c0,4.42 3.58,8 8,8s8,-3.58 8,-8S16.42,5 12,5z"/>
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M10.69,13.9l0.25,-2.17h2.39v0.71h-1.7l-0.11,0.92c0.03,-0.02 0.07,-0.03 0.11,-0.05s0.09,-0.04 0.15,-0.05s0.12,-0.03 0.18,-0.04s0.13,-0.02 0.2,-0.02c0.21,0 0.39,0.03 0.55,0.1s0.3,0.16 0.41,0.28s0.2,0.27 0.25,0.45s0.09,0.38 0.09,0.6c0,0.19 -0.03,0.37 -0.09,0.54s-0.15,0.32 -0.27,0.45s-0.27,0.24 -0.45,0.31s-0.39,0.12 -0.64,0.12c-0.18,0 -0.36,-0.03 -0.53,-0.08s-0.32,-0.14 -0.46,-0.24s-0.24,-0.24 -0.32,-0.39s-0.13,-0.33 -0.13,-0.53h0.84c0.02,0.18 0.08,0.32 0.19,0.41s0.25,0.15 0.42,0.15c0.11,0 0.2,-0.02 0.27,-0.06s0.14,-0.1 0.18,-0.17s0.08,-0.15 0.11,-0.25s0.03,-0.2 0.03,-0.31s-0.01,-0.21 -0.04,-0.31s-0.07,-0.17 -0.13,-0.24s-0.13,-0.12 -0.21,-0.15s-0.19,-0.05 -0.3,-0.05c-0.08,0 -0.15,0.01 -0.2,0.02s-0.11,0.03 -0.15,0.05s-0.08,0.05 -0.12,0.07s-0.07,0.06 -0.1,0.09L10.69,13.9z"/>
+</vector>

app/src/main/res/drawable/ic_rounded_corner_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M19,19h2v2h-2V19zM19,17h2v-2h-2V17zM3,13h2v-2H3V13zM3,17h2v-2H3V17zM3,9h2V7H3V9zM3,5h2V3H3V5zM7,5h2V3H7V5zM15,21h2v-2h-2V21zM11,21h2v-2h-2V21zM15,21h2v-2h-2V21zM7,21h2v-2H7V21zM3,21h2v-2H3V21zM21,8c0,-2.76 -2.24,-5 -5,-5h-5v2h5c1.65,0 3,1.35 3,3v5h2V8z"/>
+</vector>

app/src/main/res/drawable/ic_view_agenda_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M20,13L3,13c-0.55,0 -1,0.45 -1,1v6c0,0.55 0.45,1 1,1h17c0.55,0 1,-0.45 1,-1v-6c0,-0.55 -0.45,-1 -1,-1zM20,3L3,3c-0.55,0 -1,0.45 -1,1v6c0,0.55 0.45,1 1,1h17c0.55,0 1,-0.45 1,-1L21,4c0,-0.55 -0.45,-1 -1,-1z"/>
+</vector>

app/src/main/res/drawable/ic_view_grid_24.xml

@@ -0,0 +1,11 @@
+<!-- drawable/view_grid.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#000"
+        android:pathData="M3,11H11V3H3M3,21H11V13H3M13,21H21V13H13M13,3V11H21V3" />
+</vector>

app/src/main/res/drawable/popup_background_exoplayer.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <corners android:radius="2dp" />
+    <solid android:color="@color/grey_800" />
+
+</shape>

app/src/main/res/drawable/rounder_corner_bg.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@android:color/transparent" />
+    <corners android:radius="8dp" />
+</shape>