Handle null bottomSheetBehavior

app/src/main/java/awais/instagrabber/fragments/PostViewV2Fragment.java

@@ -373,7 +373,9 @@ public class PostViewV2Fragment extends SharedElementTransitionDialogFragment {
             binding.sliderParent.setLayoutParams(new ConstraintLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                                                                                    ViewGroup.LayoutParams.MATCH_PARENT));
             binding.sliderParent.requestLayout();
+            if (bottomSheetBehavior != null) {
                 bottomSheetBehavior.setState(BottomSheetBehavior.STATE_COLLAPSED);
+            }
             return;
         }
         if (destView == binding.videoPost.thumbnailParent) {
@@ -382,9 +384,11 @@ public class PostViewV2Fragment extends SharedElementTransitionDialogFragment {
             params.gravity = Gravity.CENTER;
             binding.videoPost.thumbnailParent.setLayoutParams(params);
             binding.videoPost.thumbnailParent.requestLayout();
+            if (bottomSheetBehavior != null) {
                 bottomSheetBehavior.setState(BottomSheetBehavior.STATE_COLLAPSED);
             }
         }
+    }
 
     @Override
     public void onRequestPermissionsResult(final int requestCode, @NonNull final String[] permissions, @NonNull final int[] grantResults) {
@@ -703,10 +707,12 @@ public class PostViewV2Fragment extends SharedElementTransitionDialogFragment {
             }
         });
         binding.caption.setOnClickListener(v -> {
+            if (bottomSheetBehavior == null) return;
             if (bottomSheetBehavior.getState() == BottomSheetBehavior.STATE_EXPANDED) return;
             bottomSheetBehavior.setState(BottomSheetBehavior.STATE_EXPANDED);
         });
         binding.captionToggle.setOnClickListener(v -> {
+            if (bottomSheetBehavior == null) return;
             switch (bottomSheetBehavior.getState()) {
                 case BottomSheetBehavior.STATE_HIDDEN:
                     binding.captionParent.fullScroll(ScrollView.FOCUS_UP); // reset scroll position
@@ -734,6 +740,7 @@ public class PostViewV2Fragment extends SharedElementTransitionDialogFragment {
                 @Override
                 public void onGlobalLayout() {
                     binding.getRoot().getViewTreeObserver().removeOnGlobalLayoutListener(this);
+                    if (bottomSheetBehavior == null) return;
                     bottomSheetBehavior.setState(BottomSheetBehavior.STATE_COLLAPSED);
                 }
             });
@@ -762,7 +769,7 @@ public class PostViewV2Fragment extends SharedElementTransitionDialogFragment {
             final int likesCount = (int) feedModel.getLikesCount();
             final String likesString = getResources().getQuantityString(R.plurals.likes_count, likesCount, likesCount);
             binding.likesCount.setText(likesString);
-        } catch (IllegalStateException e) {}
+        } catch (IllegalStateException ignored) {}
     }
 
     private void setupPostTypeLayout() {