Fix error when choosing image from Documents manager

Cannot rely on Uri.getPath to return absolute path to create File object. Instead get the inputstream and create Bitmap first.

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

@@ -1,7 +1,6 @@
 package awais.instagrabber.asyncs;
 
 import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
 import android.os.AsyncTask;
 import android.util.Log;
 
@@ -10,8 +9,6 @@ import org.json.JSONObject;
 import java.io.BufferedOutputStream;
 import java.io.BufferedReader;
 import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -44,9 +41,7 @@ public class ImageUploader extends AsyncTask<ImageUploadOptions, Void, ImageUplo
         ByteArrayOutputStream baos = null;
         try {
             final ImageUploadOptions options = imageUploadOptions[0];
-            final File file = options.getFile();
-            inputStream = new FileInputStream(file);
-            final Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
+            final Bitmap bitmap = options.getBitmap();
             baos = new ByteArrayOutputStream();
             final boolean compressResult = bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
             if (!compressResult) {

app/src/main/java/awais/instagrabber/fragments/directmessages/DirectMessageThreadFragment.java

@@ -2,6 +2,8 @@ package awais.instagrabber.fragments.directmessages;
 
 import android.app.Activity;
 import android.content.Intent;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
@@ -27,6 +29,9 @@ import org.json.JSONException;
 import org.json.JSONObject;
 
 import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
 import java.io.UnsupportedEncodingException;
 import java.net.HttpURLConnection;
 import java.util.ArrayList;
@@ -280,12 +285,8 @@ public class DirectMessageThreadFragment extends Fragment {
     }
 
     private void sendImage(final Uri imageUri) {
-        final String path = imageUri.getPath();
-        if (path == null) {
-            Log.e(TAG, "uri path is null!");
-            return;
-        }
-        final File file = new File(path);
+        try(InputStream inputStream = requireContext().getContentResolver().openInputStream(imageUri)) {
+            final Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
             // Upload Image
             final ImageUploader imageUploader = new ImageUploader();
             imageUploader.setOnTaskCompleteListener(response -> {
@@ -307,9 +308,13 @@ public class DirectMessageThreadFragment extends Fragment {
                     Log.e(TAG, "Error parsing json response", e);
                 }
             });
-        final ImageUploadOptions options = ImageUploadOptions.builder(file).build();
+            final ImageUploadOptions options = ImageUploadOptions.builder(bitmap).build();
             imageUploader.execute(options);
         }
+        catch (IOException e) {
+            Log.e(TAG, "Error opening file", e);
+        }
+    }
 
     private void broadcast(final DirectThreadBroadcaster.BroadcastOptions broadcastOptions, final DirectThreadBroadcaster.OnBroadcastCompleteListener listener) {
         final DirectThreadBroadcaster broadcaster = new DirectThreadBroadcaster(threadId);

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

@@ -1,23 +1,23 @@
 package awais.instagrabber.models;
 
-import java.io.File;
+import android.graphics.Bitmap;
 
 public class ImageUploadOptions {
-    private final File file;
+    private final Bitmap bitmap;
     private boolean isSidecar;
     private String waterfallId;
 
     public static class Builder {
-        private File file;
+        private Bitmap bitmap;
         private boolean isSidecar;
         private String waterfallId;
 
-        public Builder(final File file) {
-            this.file = file;
+        public Builder(final Bitmap bitmap) {
+            this.bitmap = bitmap;
         }
 
-        public Builder setFile(final File file) {
-            this.file = file;
+        public Builder setBitmap(final Bitmap bitmap) {
+            this.bitmap = bitmap;
             return this;
         }
 
@@ -32,24 +32,24 @@ public class ImageUploadOptions {
         }
 
         public ImageUploadOptions build() {
-            return new ImageUploadOptions(file, isSidecar, waterfallId);
+            return new ImageUploadOptions(bitmap, isSidecar, waterfallId);
         }
     }
 
-    public static Builder builder(final File file) {
+    public static Builder builder(final Bitmap file) {
         return new Builder(file);
     }
 
-    private ImageUploadOptions(final File file,
+    private ImageUploadOptions(final Bitmap bitmap,
                                final boolean isSidecar,
                                final String waterfallId) {
-        this.file = file;
+        this.bitmap = bitmap;
         this.isSidecar = isSidecar;
         this.waterfallId = waterfallId;
     }
 
-    public File getFile() {
-        return file;
+    public Bitmap getBitmap() {
+        return bitmap;
     }
 
     public boolean isSidecar() {