Swipe to reply

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

@@ -342,7 +342,7 @@ public final class DirectItemsAdapter extends RecyclerView.Adapter<RecyclerView.
 
     public static class DirectItemOrHeader {
         Date date;
-        DirectItem item;
+        public DirectItem item;
 
         public boolean isHeader() {
             return date != null;

app/src/main/java/awais/instagrabber/adapters/viewholder/directmessages/DirectItemActionLogViewHolder.java

@@ -10,6 +10,7 @@ import android.text.style.StyleSpan;
 import android.view.View;
 
 import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.ItemTouchHelper;
 
 import java.util.List;
 
@@ -86,4 +87,9 @@ public class DirectItemActionLogViewHolder extends DirectItemViewHolder {
     protected boolean allowLongClick() {
         return false;
     }
+
+    @Override
+    public int getSwipeDirection() {
+        return ItemTouchHelper.ACTION_STATE_IDLE;
+    }
 }

app/src/main/java/awais/instagrabber/adapters/viewholder/directmessages/DirectItemAnimatedMediaViewHolder.java

@@ -5,6 +5,7 @@ import android.view.ViewGroup;
 
 import androidx.annotation.NonNull;
 import androidx.core.util.Pair;
+import androidx.recyclerview.widget.ItemTouchHelper;
 
 import com.facebook.drawee.backends.pipeline.Fresco;
 
@@ -59,4 +60,9 @@ public class DirectItemAnimatedMediaViewHolder extends DirectItemViewHolder {
                                                       .setAutoPlayAnimations(true)
                                                       .build());
     }
+
+    @Override
+    public int getSwipeDirection() {
+        return ItemTouchHelper.ACTION_STATE_IDLE;
+    }
 }

app/src/main/java/awais/instagrabber/adapters/viewholder/directmessages/DirectItemDefaultViewHolder.java

@@ -3,6 +3,7 @@ package awais.instagrabber.adapters.viewholder.directmessages;
 import android.content.Context;
 
 import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.ItemTouchHelper;
 
 import awais.instagrabber.R;
 import awais.instagrabber.adapters.DirectItemsAdapter.DirectItemCallback;
@@ -35,4 +36,9 @@ public class DirectItemDefaultViewHolder extends DirectItemViewHolder {
     protected boolean allowLongClick() {
         return false;
     }
+
+    @Override
+    public int getSwipeDirection() {
+        return ItemTouchHelper.ACTION_STATE_IDLE;
+    }
 }

app/src/main/java/awais/instagrabber/adapters/viewholder/directmessages/DirectItemLikeViewHolder.java

@@ -1,6 +1,7 @@
 package awais.instagrabber.adapters.viewholder.directmessages;
 
 import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.ItemTouchHelper;
 
 import awais.instagrabber.adapters.DirectItemsAdapter.DirectItemCallback;
 import awais.instagrabber.databinding.LayoutDmBaseBinding;
@@ -27,4 +28,9 @@ public class DirectItemLikeViewHolder extends DirectItemViewHolder {
     protected boolean canForward() {
         return false;
     }
+
+    @Override
+    public int getSwipeDirection() {
+        return ItemTouchHelper.ACTION_STATE_IDLE;
+    }
 }

app/src/main/java/awais/instagrabber/adapters/viewholder/directmessages/DirectItemMediaShareViewHolder.java

@@ -7,6 +7,7 @@ import android.view.ViewGroup;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.core.util.Pair;
+import androidx.recyclerview.widget.ItemTouchHelper;
 
 import com.facebook.drawee.drawable.ScalingUtils;
 import com.facebook.drawee.generic.GenericDraweeHierarchyBuilder;
@@ -36,6 +37,7 @@ public class DirectItemMediaShareViewHolder extends DirectItemViewHolder {
     private final LayoutDmMediaShareBinding binding;
     private final RoundingParams incomingRoundingParams;
     private final RoundingParams outgoingRoundingParams;
+    private DirectItemType itemType;
 
     public DirectItemMediaShareViewHolder(@NonNull final LayoutDmBaseBinding baseBinding,
                                           @NonNull final LayoutDmMediaShareBinding binding,
@@ -148,13 +150,14 @@ public class DirectItemMediaShareViewHolder extends DirectItemViewHolder {
     @Nullable
     private Media getMedia(@NonNull final DirectItem item) {
         Media media = null;
-        if (item.getItemType() == DirectItemType.MEDIA_SHARE) {
+        itemType = item.getItemType();
+        if (itemType == DirectItemType.MEDIA_SHARE) {
             media = item.getMediaShare();
-        } else if (item.getItemType() == DirectItemType.CLIP) {
+        } else if (itemType == DirectItemType.CLIP) {
             final DirectItemClip clip = item.getClip();
             if (clip == null) return null;
             media = clip.getClip();
-        } else if (item.getItemType() == DirectItemType.FELIX_SHARE) {
+        } else if (itemType == DirectItemType.FELIX_SHARE) {
             final DirectItemFelixShare felixShare = item.getFelixShare();
             if (felixShare == null) return null;
             media = felixShare.getVideo();
@@ -166,4 +169,12 @@ public class DirectItemMediaShareViewHolder extends DirectItemViewHolder {
     protected int getReactionsTranslationY() {
         return reactionTranslationYType2;
     }
+
+    @Override
+    public int getSwipeDirection() {
+        if (itemType != null && (itemType == DirectItemType.CLIP || itemType == DirectItemType.FELIX_SHARE)) {
+            return ItemTouchHelper.ACTION_STATE_IDLE;
+        }
+        return super.getSwipeDirection();
+    }
 }

app/src/main/java/awais/instagrabber/adapters/viewholder/directmessages/DirectItemPlaceholderViewHolder.java

@@ -1,6 +1,7 @@
 package awais.instagrabber.adapters.viewholder.directmessages;
 
 import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.ItemTouchHelper;
 
 import awais.instagrabber.adapters.DirectItemsAdapter.DirectItemCallback;
 import awais.instagrabber.databinding.LayoutDmBaseBinding;
@@ -38,4 +39,9 @@ public class DirectItemPlaceholderViewHolder extends DirectItemViewHolder {
     protected boolean allowLongClick() {
         return false;
     }
+
+    @Override
+    public int getSwipeDirection() {
+        return ItemTouchHelper.ACTION_STATE_IDLE;
+    }
 }

app/src/main/java/awais/instagrabber/adapters/viewholder/directmessages/DirectItemProfileViewHolder.java

@@ -4,6 +4,7 @@ import android.content.res.Resources;
 import android.view.View;
 
 import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.ItemTouchHelper;
 
 import com.facebook.drawee.generic.GenericDraweeHierarchyBuilder;
 import com.facebook.drawee.generic.RoundingParams;
@@ -117,4 +118,9 @@ public class DirectItemProfileViewHolder extends DirectItemViewHolder {
         binding.isVerified.setVisibility(View.GONE);
         itemView.setOnClickListener(v -> openLocation(location.getPk()));
     }
+
+    @Override
+    public int getSwipeDirection() {
+        return ItemTouchHelper.ACTION_STATE_IDLE;
+    }
 }

app/src/main/java/awais/instagrabber/adapters/viewholder/directmessages/DirectItemStoryShareViewHolder.java

@@ -5,6 +5,7 @@ import android.view.ViewGroup;
 
 import androidx.annotation.NonNull;
 import androidx.core.util.Pair;
+import androidx.recyclerview.widget.ItemTouchHelper;
 
 import com.facebook.drawee.drawable.ScalingUtils;
 import com.facebook.drawee.generic.GenericDraweeHierarchyBuilder;
@@ -110,4 +111,9 @@ public class DirectItemStoryShareViewHolder extends DirectItemViewHolder {
     protected boolean canForward() {
         return false;
     }
+
+    @Override
+    public int getSwipeDirection() {
+        return ItemTouchHelper.ACTION_STATE_IDLE;
+    }
 }

app/src/main/java/awais/instagrabber/adapters/viewholder/directmessages/DirectItemVideoCallEventViewHolder.java

@@ -7,6 +7,7 @@ import android.text.style.ForegroundColorSpan;
 import android.view.View;
 
 import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.ItemTouchHelper;
 
 import java.util.List;
 
@@ -76,4 +77,9 @@ public class DirectItemVideoCallEventViewHolder extends DirectItemViewHolder {
     protected boolean allowLongClick() {
         return false;
     }
+
+    @Override
+    public int getSwipeDirection() {
+        return ItemTouchHelper.ACTION_STATE_IDLE;
+    }
 }

app/src/main/java/awais/instagrabber/adapters/viewholder/directmessages/DirectItemViewHolder.java

@@ -18,6 +18,7 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.constraintlayout.widget.ConstraintLayout;
 import androidx.core.widget.ImageViewCompat;
+import androidx.recyclerview.widget.ItemTouchHelper;
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.transition.TransitionManager;
 
@@ -33,6 +34,7 @@ import awais.instagrabber.adapters.DirectItemsAdapter.DirectItemInternalLongClic
 import awais.instagrabber.customviews.DirectItemContextMenu;
 import awais.instagrabber.customviews.DirectItemFrameLayout;
 import awais.instagrabber.customviews.RamboTextViewV2;
+import awais.instagrabber.customviews.helpers.SwipeAndRestoreItemTouchHelperCallback.SwipeableViewHolder;
 import awais.instagrabber.databinding.LayoutDmBaseBinding;
 import awais.instagrabber.models.enums.DirectItemType;
 import awais.instagrabber.models.enums.MediaItemType;
@@ -46,7 +48,7 @@ import awais.instagrabber.repositories.responses.directmessages.DirectThread;
 import awais.instagrabber.utils.DeepLinkParser;
 import awais.instagrabber.utils.ResponseBodyUtils;
 
-public abstract class DirectItemViewHolder extends RecyclerView.ViewHolder {
+public abstract class DirectItemViewHolder extends RecyclerView.ViewHolder implements SwipeableViewHolder {
     private static final String TAG = DirectItemViewHolder.class.getSimpleName();
 
     private final LayoutDmBaseBinding binding;
@@ -72,6 +74,7 @@ public abstract class DirectItemViewHolder extends RecyclerView.ViewHolder {
     private DirectItemInternalLongClickListener longClickListener;
     private DirectItem item;
     private ViewPropertyAnimator shrinkGrowAnimator;
+    private MessageDirection messageDirection;
     // private View.OnLayoutChangeListener layoutChangeListener;
 
     public DirectItemViewHolder(@NonNull final LayoutDmBaseBinding binding,
@@ -108,7 +111,7 @@ public abstract class DirectItemViewHolder extends RecyclerView.ViewHolder {
 
     public void bind(final int position, final DirectItem item) {
         this.item = item;
-        final MessageDirection messageDirection = isSelf(item) ? MessageDirection.OUTGOING : MessageDirection.INCOMING;
+        messageDirection = isSelf(item) ? MessageDirection.OUTGOING : MessageDirection.INCOMING;
         itemView.post(() -> bindBase(item, messageDirection, position));
         itemView.post(() -> bindItem(item, messageDirection));
         itemView.post(() -> setupLongClickListener(position, messageDirection));
@@ -266,6 +269,7 @@ public abstract class DirectItemViewHolder extends RecyclerView.ViewHolder {
             //     if (media == null) break;
             //     url = ResponseBodyUtils.getThumbUrl(media.getImageVersions2());
             //     break;
+            // case LOCATION
         }
         if (text == null && url == null) {
             binding.quoteLine.setVisibility(View.GONE);
@@ -568,6 +572,12 @@ public abstract class DirectItemViewHolder extends RecyclerView.ViewHolder {
         shrinkGrowAnimator.start();
     }
 
+    @Override
+    public int getSwipeDirection() {
+        if (item == null || messageDirection == null) return ItemTouchHelper.ACTION_STATE_IDLE;
+        return messageDirection == MessageDirection.OUTGOING ? ItemTouchHelper.START : ItemTouchHelper.END;
+    }
+
     public enum MessageDirection {
         INCOMING,
         OUTGOING

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

@@ -73,9 +73,20 @@ public class DirectItemFrameLayout extends FrameLayout {
                 touchY = ev.getRawY();
                 break;
             case MotionEvent.ACTION_MOVE:
-                if (longPressed || Math.abs(touchX - ev.getRawX()) > touchSlop || Math.abs(touchY - ev.getRawY()) > touchSlop) {
+                final float diffX = touchX - ev.getRawX();
+                final float diffXAbs = Math.abs(diffX);
+                final boolean isMoved = diffXAbs > touchSlop || Math.abs(touchY - ev.getRawY()) > touchSlop;
+                if (longPressed || isMoved) {
                     handler.removeCallbacks(longPressStartRunnable);
                     handler.removeCallbacks(longPressRunnable);
+                    if (!longPressed) {
+                        if (onItemLongClickListener != null) {
+                            onItemLongClickListener.onLongClickCancel(this);
+                        }
+                    }
+                    // if (diffXAbs > touchSlop) {
+                    //     setTranslationX(-diffX);
+                    // }
                 }
                 break;
             case MotionEvent.ACTION_UP:
@@ -91,6 +102,9 @@ public class DirectItemFrameLayout extends FrameLayout {
             case MotionEvent.ACTION_CANCEL:
                 handler.removeCallbacks(longPressRunnable);
                 handler.removeCallbacks(longPressStartRunnable);
+                if (onItemLongClickListener != null) {
+                    onItemLongClickListener.onLongClickCancel(this);
+                }
                 break;
         }
         final boolean dispatchTouchEvent = super.dispatchTouchEvent(ev);

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

@@ -0,0 +1,184 @@
+package awais.instagrabber.customviews.helpers;
+
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+import android.view.HapticFeedbackConstants;
+import android.view.MotionEvent;
+import android.view.View;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.content.res.AppCompatResources;
+import androidx.recyclerview.widget.ItemTouchHelper;
+import androidx.recyclerview.widget.RecyclerView;
+
+import awais.instagrabber.R;
+import awais.instagrabber.utils.Utils;
+
+/**
+ * Thanks to https://github.com/izjumovfs/SwipeToReply/blob/master/swipetoreply/src/main/java/com/capybaralabs/swipetoreply/SwipeController.java
+ */
+public class SwipeAndRestoreItemTouchHelperCallback extends ItemTouchHelper.Callback {
+    private static final String TAG = "SwipeRestoreCallback";
+
+    private final float swipeThreshold;
+    private final float swipeAutoCancelThreshold;
+    private final OnSwipeListener onSwipeListener;
+    private final Drawable replyIcon;
+    // private final Drawable replyIconBackground;
+    private final int replyIconShowThreshold;
+    private final float replyIconMaxTranslation;
+    private final Rect replyIconBounds = new Rect();
+    private final float replyIconXOffset;
+    private final int replyIconSize;
+
+    private boolean mSwipeBack = false;
+    private boolean hasVibrated;
+
+    public SwipeAndRestoreItemTouchHelperCallback(final Context context, final OnSwipeListener onSwipeListener) {
+        this.onSwipeListener = onSwipeListener;
+        swipeThreshold = Utils.displayMetrics.widthPixels * 0.25f;
+        swipeAutoCancelThreshold = swipeThreshold + Utils.convertDpToPx(5);
+        replyIcon = AppCompatResources.getDrawable(context, R.drawable.ic_round_reply_24);
+        if (replyIcon == null) {
+            throw new IllegalArgumentException("reply icon is null");
+        }
+        replyIcon.setTint(context.getResources().getColor(R.color.white)); //todo need to update according to theme
+        replyIconShowThreshold = Utils.convertDpToPx(24);
+        replyIconMaxTranslation = swipeThreshold - replyIconShowThreshold;
+        // Log.d(TAG, "replyIconShowThreshold: " + replyIconShowThreshold + ", swipeThreshold: " + swipeThreshold);
+        replyIconSize = replyIconShowThreshold; // Utils.convertDpToPx(24);
+        replyIconXOffset = swipeThreshold * 0.25f /*Utils.convertDpToPx(20)*/;
+    }
+
+    @Override
+    public int getMovementFlags(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder) {
+        if (!(viewHolder instanceof SwipeableViewHolder)) {
+            return makeMovementFlags(ItemTouchHelper.ACTION_STATE_IDLE, ItemTouchHelper.ACTION_STATE_IDLE);
+        }
+        return makeMovementFlags(ItemTouchHelper.ACTION_STATE_IDLE, ((SwipeableViewHolder) viewHolder).getSwipeDirection());
+    }
+
+    @Override
+    public boolean onMove(@NonNull RecyclerView recyclerView,
+                          @NonNull RecyclerView.ViewHolder viewHolder,
+                          @NonNull RecyclerView.ViewHolder viewHolder1) {
+        return false;
+    }
+
+    @Override
+    public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int i) {}
+
+    @Override
+    public int convertToAbsoluteDirection(int flags, int layoutDirection) {
+        if (mSwipeBack) {
+            mSwipeBack = false;
+            return 0;
+        }
+        return super.convertToAbsoluteDirection(flags, layoutDirection);
+    }
+
+    @Override
+    public void onChildDraw(@NonNull Canvas c,
+                            @NonNull RecyclerView recyclerView,
+                            @NonNull RecyclerView.ViewHolder viewHolder,
+                            float dX,
+                            float dY,
+                            int actionState,
+                            boolean isCurrentlyActive) {
+        if (actionState == ItemTouchHelper.ACTION_STATE_SWIPE) {
+            setTouchListener(recyclerView, viewHolder);
+        }
+        super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);
+        drawReplyButton(c, viewHolder);
+    }
+
+    @SuppressLint("ClickableViewAccessibility")
+    private void setTouchListener(RecyclerView recyclerView, final RecyclerView.ViewHolder viewHolder) {
+        recyclerView.setOnTouchListener((v, event) -> {
+            if (event.getAction() == MotionEvent.ACTION_MOVE) {
+                if (Math.abs(viewHolder.itemView.getTranslationX()) >= swipeAutoCancelThreshold) {
+                    if (!hasVibrated) {
+                        viewHolder.itemView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS,
+                                                                  HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING);
+                        hasVibrated = true;
+                    }
+                    //     MotionEvent cancelEvent = MotionEvent.obtain(event);
+                    //     cancelEvent.setAction(MotionEvent.ACTION_CANCEL);
+                    //     recyclerView.dispatchTouchEvent(cancelEvent);
+                    //     cancelEvent.recycle();
+                }
+            }
+            mSwipeBack = event.getAction() == MotionEvent.ACTION_CANCEL || event.getAction() == MotionEvent.ACTION_UP;
+            if (mSwipeBack) {
+                hasVibrated = false;
+                if (Math.abs(viewHolder.itemView.getTranslationX()) >= swipeThreshold) {
+                    if (onSwipeListener != null) {
+                        onSwipeListener.onSwipe(viewHolder.getBindingAdapterPosition(), viewHolder);
+                    }
+                }
+            }
+            return false;
+        });
+    }
+
+    public interface SwipeableViewHolder {
+        int getSwipeDirection();
+    }
+
+    public interface OnSwipeListener {
+        void onSwipe(final int adapterPosition, final RecyclerView.ViewHolder viewHolder);
+    }
+
+    private void drawReplyButton(Canvas canvas, final RecyclerView.ViewHolder viewHolder) {
+        if (!(viewHolder instanceof SwipeableViewHolder)) return;
+        final int swipeDirection = ((SwipeableViewHolder) viewHolder).getSwipeDirection();
+        if (swipeDirection != ItemTouchHelper.START && swipeDirection != ItemTouchHelper.END) return;
+        final View view = viewHolder.itemView;
+        float translationX = view.getTranslationX();
+        boolean show = false;
+        float progress;
+        final float translationXAbs = Math.abs(translationX);
+        if (translationXAbs >= replyIconShowThreshold) {
+            show = true;
+        }
+        if (show) {
+            // replyIconShowThreshold -> swipeThreshold <=> progress 0 -> 1
+            final float replyIconTranslation = translationXAbs - replyIconShowThreshold;
+            progress = replyIconTranslation / replyIconMaxTranslation;
+            if (progress > 1) {
+                progress = 1f;
+            }
+            if (progress < 0) {
+                progress = 0;
+            }
+            // Log.d(TAG, /*"translationX: " + translationX + ",  replyIconTranslation: " + replyIconTranslation +*/ "progress: " + progress);
+        } else {
+            progress = 0f;
+            // Log.d(TAG, /*"translationX: " + translationX + ",  replyIconTranslation: " + 0 +*/ "progress: " + progress);
+        }
+        if (progress > 0) {
+            // calculate the reply icon y position, then offset top, bottom with icon size
+            final int y = view.getTop() + (view.getMeasuredHeight() / 2);
+            final int tempIconSize = (int) (replyIconSize * progress);
+            final int tempIconSizeHalf = tempIconSize / 2;
+            final int xOffset = (int) (replyIconXOffset * progress);
+            final int left;
+            if (swipeDirection == ItemTouchHelper.END) {
+                // draw arrow of left side
+                left = xOffset;
+            } else {
+                // draw arrow of right side
+                left = view.getMeasuredWidth() - xOffset - tempIconSize;
+            }
+            final int right = tempIconSize + left;
+            replyIconBounds.set(left, y - tempIconSizeHalf, right, y + tempIconSizeHalf);
+            replyIcon.setBounds(replyIconBounds);
+            replyIcon.draw(canvas);
+        }
+    }
+
+}

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

@@ -41,9 +41,11 @@ import androidx.navigation.NavBackStackEntry;
 import androidx.navigation.NavController;
 import androidx.navigation.NavDirections;
 import androidx.navigation.fragment.NavHostFragment;
+import androidx.recyclerview.widget.ItemTouchHelper;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.recyclerview.widget.SimpleItemAnimator;
+import androidx.transition.TransitionManager;
 import androidx.vectordrawable.graphics.drawable.Animatable2Compat;
 import androidx.vectordrawable.graphics.drawable.AnimatedVectorDrawableCompat;
 
@@ -73,6 +75,7 @@ import awais.instagrabber.customviews.emoji.Emoji;
 import awais.instagrabber.customviews.helpers.HeaderItemDecoration;
 import awais.instagrabber.customviews.helpers.HeightProvider;
 import awais.instagrabber.customviews.helpers.RecyclerLazyLoaderAtEdge;
+import awais.instagrabber.customviews.helpers.SwipeAndRestoreItemTouchHelperCallback;
 import awais.instagrabber.customviews.helpers.TextWatcherAdapter;
 import awais.instagrabber.databinding.FragmentDirectMessagesThreadBinding;
 import awais.instagrabber.dialogs.DirectItemReactionDialogFragment;
@@ -81,16 +84,19 @@ import awais.instagrabber.fragments.PostViewV2Fragment;
 import awais.instagrabber.fragments.UserSearchFragment;
 import awais.instagrabber.fragments.UserSearchFragmentDirections;
 import awais.instagrabber.models.Resource;
+import awais.instagrabber.models.enums.MediaItemType;
 import awais.instagrabber.repositories.requests.StoryViewerOptions;
 import awais.instagrabber.repositories.responses.Media;
 import awais.instagrabber.repositories.responses.User;
 import awais.instagrabber.repositories.responses.directmessages.DirectItem;
 import awais.instagrabber.repositories.responses.directmessages.DirectItemEmojiReaction;
 import awais.instagrabber.repositories.responses.directmessages.DirectItemStoryShare;
+import awais.instagrabber.repositories.responses.directmessages.DirectItemVisualMedia;
 import awais.instagrabber.repositories.responses.directmessages.DirectThread;
 import awais.instagrabber.repositories.responses.directmessages.RankedRecipient;
 import awais.instagrabber.utils.AppExecutors;
 import awais.instagrabber.utils.PermissionUtils;
+import awais.instagrabber.utils.ResponseBodyUtils;
 import awais.instagrabber.utils.TextUtils;
 import awais.instagrabber.utils.Utils;
 import awais.instagrabber.viewmodels.AppStateViewModel;
@@ -133,6 +139,7 @@ public class DirectMessageThreadFragment extends Fragment implements DirectReact
     private DirectItemReactionDialogFragment reactionDialogFragment;
     private DirectItem itemToForward;
     private MutableLiveData<Object> backStackSavedStateResultLiveData;
+    private int prevLength;
 
     private final AppExecutors appExecutors = AppExecutors.getInstance();
     private final Animatable2Compat.AnimationCallback micToSendAnimationCallback = new Animatable2Compat.AnimationCallback() {
@@ -252,7 +259,6 @@ public class DirectMessageThreadFragment extends Fragment implements DirectReact
             }
         }
     };
-
     private final DirectItemLongClickListener directItemLongClickListener = position -> {
         // viewModel.setSelectedPosition(position);
     };
@@ -280,6 +286,7 @@ public class DirectMessageThreadFragment extends Fragment implements DirectReact
         // clear result
         backStackSavedStateResultLiveData.postValue(null);
     };
+    private final MutableLiveData<Integer> inputLength = new MutableLiveData<>(0);
 
     @Override
     public void onCreate(@Nullable final Bundle savedInstanceState) {
@@ -491,6 +498,17 @@ public class DirectMessageThreadFragment extends Fragment implements DirectReact
             }
         });
         binding.chats.addItemDecoration(headerItemDecoration);
+        final SwipeAndRestoreItemTouchHelperCallback touchHelperCallback = new SwipeAndRestoreItemTouchHelperCallback(
+                context,
+                (adapterPosition, viewHolder) -> {
+                    if (itemsAdapter == null) return;
+                    final DirectItemOrHeader directItemOrHeader = itemsAdapter.getList().get(adapterPosition);
+                    if (directItemOrHeader.isHeader()) return;
+                    viewModel.setReplyToItem(directItemOrHeader.item);
+                }
+        );
+        final ItemTouchHelper itemTouchHelper = new ItemTouchHelper(touchHelperCallback);
+        itemTouchHelper.attachToRecyclerView(binding.chats);
         // final MentionClickListener mentionClickListener = (view, text, isHashtag, isLocation) -> searchUsername(text);
         // final DialogInterface.OnClickListener onDialogListener = (dialogInterface, which) -> {
         //     if (which == 0) {
@@ -632,6 +650,141 @@ public class DirectMessageThreadFragment extends Fragment implements DirectReact
             setupItemsAdapter(userThreadPair.first, userThreadPair.second);
         });
         viewModel.getItems().observe(getViewLifecycleOwner(), this::submitItemsToAdapter);
+        viewModel.getReplyToItem().observe(getViewLifecycleOwner(), item -> {
+            if (item == null) {
+                if (binding.input.length() == 0) {
+                    showExtraInputOption(true);
+                }
+                binding.getRoot().post(() -> {
+                    TransitionManager.beginDelayedTransition(binding.getRoot());
+                    binding.replyBg.setVisibility(View.GONE);
+                    binding.replyInfo.setVisibility(View.GONE);
+                    binding.replyPreviewImage.setVisibility(View.GONE);
+                    binding.replyCancel.setVisibility(View.GONE);
+                    binding.replyPreviewText.setVisibility(View.GONE);
+                });
+                return;
+            }
+            showExtraInputOption(false);
+            binding.getRoot().postDelayed(() -> {
+                binding.replyBg.setVisibility(View.VISIBLE);
+                binding.replyInfo.setVisibility(View.VISIBLE);
+                binding.replyPreviewImage.setVisibility(View.VISIBLE);
+                binding.replyCancel.setVisibility(View.VISIBLE);
+                binding.replyPreviewText.setVisibility(View.VISIBLE);
+                if (item.getUserId() == viewModel.getViewerId()) {
+                    binding.replyInfo.setText(R.string.replying_to_yourself);
+                } else {
+                    final User user = viewModel.getUser(item.getUserId());
+                    if (user != null) {
+                        binding.replyInfo.setText(getString(R.string.replying_to_user, user.getFullName()));
+                    } else {
+                        binding.replyInfo.setVisibility(View.GONE);
+                    }
+                }
+                final String previewText = getDirectItemPreviewText(item);
+                binding.replyPreviewText.setText(TextUtils.isEmpty(previewText) ? getString(R.string.message) : previewText);
+                final String previewImageUrl = getDirectItemPreviewImageUrl(item);
+                if (TextUtils.isEmpty(previewImageUrl)) {
+                    binding.replyPreviewImage.setVisibility(View.GONE);
+                } else {
+                    binding.replyPreviewImage.setImageURI(previewImageUrl);
+                }
+                binding.replyCancel.setOnClickListener(v -> viewModel.setReplyToItem(null));
+            }, 200);
+        });
+        inputLength.observe(getViewLifecycleOwner(), length -> {
+            if (length == null) return;
+            final boolean hasReplyToItem = viewModel.getReplyToItem().getValue() != null;
+            if (hasReplyToItem) {
+                prevLength = length;
+                return;
+            }
+            if ((prevLength == 0 && length != 0) || (prevLength != 0 && length == 0)) {
+                showExtraInputOption(length == 0);
+            }
+            prevLength = length;
+        });
+    }
+
+    private void showExtraInputOption(final boolean show) {
+        if (show) {
+            if (!binding.send.isListenForRecord()) {
+                binding.send.setListenForRecord(true);
+                startIconAnimation();
+            }
+            binding.gallery.setVisibility(View.VISIBLE);
+            binding.camera.setVisibility(View.VISIBLE);
+            return;
+        }
+        if (binding.send.isListenForRecord()) {
+            binding.send.setListenForRecord(false);
+            startIconAnimation();
+        }
+        binding.gallery.setVisibility(View.GONE);
+        binding.camera.setVisibility(View.GONE);
+    }
+
+    private String getDirectItemPreviewText(final DirectItem item) {
+        switch (item.getItemType()) {
+            case TEXT:
+                return item.getText();
+            case LINK:
+                return item.getLink().getText();
+            case MEDIA: {
+                final Media media = item.getMedia();
+                return getMediaPreviewTextString(media);
+            }
+            case RAVEN_MEDIA: {
+                final DirectItemVisualMedia visualMedia = item.getVisualMedia();
+                final Media media = visualMedia.getMedia();
+                return getMediaPreviewTextString(media);
+            }
+            case VOICE_MEDIA:
+                return getString(R.string.voice_message);
+            case MEDIA_SHARE:
+                return getString(R.string.post);
+            case REEL_SHARE:
+                return item.getReelShare().getText();
+        }
+        return "";
+    }
+
+    @NonNull
+    private String getMediaPreviewTextString(final Media media) {
+        final MediaItemType mediaType = media.getMediaType();
+        switch (mediaType) {
+            case MEDIA_TYPE_IMAGE:
+                return getString(R.string.photo);
+            case MEDIA_TYPE_VIDEO:
+                return getString(R.string.video);
+            default:
+                return "";
+        }
+    }
+
+    private String getDirectItemPreviewImageUrl(final DirectItem item) {
+        switch (item.getItemType()) {
+            case TEXT:
+            case LINK:
+            case VOICE_MEDIA:
+            case REEL_SHARE:
+                return null;
+            case MEDIA: {
+                final Media media = item.getMedia();
+                return ResponseBodyUtils.getThumbUrl(media);
+            }
+            case RAVEN_MEDIA: {
+                final DirectItemVisualMedia visualMedia = item.getVisualMedia();
+                final Media media = visualMedia.getMedia();
+                return ResponseBodyUtils.getThumbUrl(media);
+            }
+            case MEDIA_SHARE: {
+                final Media media = item.getMediaShare();
+                return ResponseBodyUtils.getThumbUrl(media);
+            }
+        }
+        return null;
     }
 
     private void setupBackStackResultObserver() {
@@ -750,33 +903,29 @@ public class DirectMessageThreadFragment extends Fragment implements DirectReact
             binding.camera.setVisibility(View.VISIBLE);
         });
         binding.input.addTextChangedListener(new TextWatcherAdapter() {
-            int prevLength = 0;
+            // int prevLength = 0;
 
             @Override
             public void onTextChanged(final CharSequence s, final int start, final int before, final int count) {
                 final int length = s.length();
-                if (prevLength != 0 && length == 0) {
+                inputLength.postValue(length);
-                    binding.send.setListenForRecord(true);
+                // boolean showExtraInputOptionsChanged = false;
-                    startIconAnimation();
+                // if (prevLength != 0 && length == 0) {
-                }
+                //     inputLength.postValue(true);
-                if (prevLength == 0 && length != 0) {
+                // showExtraInputOptionsChanged = true;
-                    binding.send.setListenForRecord(false);
+                // binding.send.setListenForRecord(true);
-                    startIconAnimation();
+                // startIconAnimation();
-                }
+                // }
-                binding.gallery.setVisibility(length == 0 ? View.VISIBLE : View.GONE);
+                // if (prevLength == 0 && length != 0) {
-                binding.camera.setVisibility(length == 0 ? View.VISIBLE : View.GONE);
+                //     inputLength.postValue(false);
-                prevLength = length;
+                // showExtraInputOptionsChanged = true;
-            }
+                // binding.send.setListenForRecord(false);
-
+                // startIconAnimation();
-            private void startIconAnimation() {
+                // }
-                final Drawable icon = binding.send.getIcon();
+                // if (!showExtraInputOptionsChanged) {
-                if (icon instanceof Animatable) {
+                //     showExtraInputOptions.postValue(length == 0);
-                    final Animatable animatable = (Animatable) icon;
+                // }
-                    if (animatable.isRunning()) {
+                // prevLength = length;
-                        animatable.stop();
-                    }
-                    animatable.start();
-                }
             }
         });
         binding.send.setOnRecordClickListener(v -> {
@@ -785,6 +934,7 @@ public class DirectMessageThreadFragment extends Fragment implements DirectReact
             final LiveData<Resource<DirectItem>> resourceLiveData = viewModel.sendText(text.toString());
             resourceLiveData.observe(getViewLifecycleOwner(), resource -> handleSentMessage(resourceLiveData));
             binding.input.setText("");
+            viewModel.setReplyToItem(null);
         });
         binding.send.setOnRecordLongClickListener(v -> {
             Log.d(TAG, "setOnRecordLongClickListener");
@@ -833,6 +983,17 @@ public class DirectMessageThreadFragment extends Fragment implements DirectReact
         });
     }
 
+    private void startIconAnimation() {
+        final Drawable icon = binding.send.getIcon();
+        if (icon instanceof Animatable) {
+            final Animatable animatable = (Animatable) icon;
+            if (animatable.isRunning()) {
+                animatable.stop();
+            }
+            animatable.start();
+        }
+    }
+
     private void navigateToImageEditFragment(final String path) {
         navigateToImageEditFragment(Uri.fromFile(new File(path)));
     }
@@ -1168,6 +1329,11 @@ public class DirectMessageThreadFragment extends Fragment implements DirectReact
                 ObjectAnimator.ofFloat(binding.gallery, TRANSLATION_Y, -height),
                 ObjectAnimator.ofFloat(binding.camera, TRANSLATION_Y, -height),
                 ObjectAnimator.ofFloat(binding.send, TRANSLATION_Y, -height),
+                ObjectAnimator.ofFloat(binding.replyBg, TRANSLATION_Y, -height),
+                ObjectAnimator.ofFloat(binding.replyInfo, TRANSLATION_Y, -height),
+                ObjectAnimator.ofFloat(binding.replyCancel, TRANSLATION_Y, -height),
+                ObjectAnimator.ofFloat(binding.replyPreviewImage, TRANSLATION_Y, -height),
+                ObjectAnimator.ofFloat(binding.replyPreviewText, TRANSLATION_Y, -height),
                 ObjectAnimator.ofFloat(binding.emojiPicker, TRANSLATION_Y, keyboardHeight - height)
         );
         // if (headerItemDecoration != null && headerItemDecoration.getCurrentHeader() != null) {

app/src/main/java/awais/instagrabber/models/enums/DirectItemType.java

@@ -1,7 +1,5 @@
 package awais.instagrabber.models.enums;
 
-import androidx.annotation.Nullable;
-
 import com.google.gson.annotations.SerializedName;
 
 import java.io.Serializable;
@@ -65,7 +63,6 @@ public enum DirectItemType implements Serializable {
         return map.get(id);
     }
 
-    @Nullable
     public String getName() {
         switch (this) {
             case TEXT:
@@ -102,8 +99,7 @@ public enum DirectItemType implements Serializable {
                 return "felix_share";
             case LOCATION:
                 return "location";
-            default:
+        }
         return null;
     }
 }
-}

app/src/main/java/awais/instagrabber/repositories/requests/directmessages/BroadcastOptions.java

@@ -13,6 +13,9 @@ public abstract class BroadcastOptions {
     private final ThreadIdOrUserIds threadIdOrUserIds;
     private final BroadcastItemType itemType;
 
+    private String repliedToItemId;
+    private String repliedToClientContext;
+
     public BroadcastOptions(final String clientContext,
                             @NonNull final ThreadIdOrUserIds threadIdOrUserIds,
                             @NonNull final BroadcastItemType itemType) {
@@ -39,6 +42,22 @@ public abstract class BroadcastOptions {
 
     public abstract Map<String, String> getFormMap();
 
+    public String getRepliedToItemId() {
+        return repliedToItemId;
+    }
+
+    public void setRepliedToItemId(final String repliedToItemId) {
+        this.repliedToItemId = repliedToItemId;
+    }
+
+    public String getRepliedToClientContext() {
+        return repliedToClientContext;
+    }
+
+    public void setRepliedToClientContext(final String repliedToClientContext) {
+        this.repliedToClientContext = repliedToClientContext;
+    }
+
     public static final class ThreadIdOrUserIds {
         private final String threadId;
         private final List<String> userIds;

app/src/main/java/awais/instagrabber/repositories/responses/directmessages/DirectItem.java

@@ -11,7 +11,7 @@ import awais.instagrabber.repositories.responses.Media;
 import awais.instagrabber.repositories.responses.User;
 
 public class DirectItem implements Cloneable {
-    private final String itemId;
+    private String itemId;
     private final long userId;
     private long timestamp;
     private final DirectItemType itemType;
@@ -213,6 +213,10 @@ public class DirectItem implements Cloneable {
         return date;
     }
 
+    public void setItemId(final String itemId) {
+        this.itemId = itemId;
+    }
+
     public boolean isPending() {
         return isPending;
     }

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

@@ -20,7 +20,8 @@ public class DirectItemFactory {
 
     public static DirectItem createText(final long userId,
                                         final String clientContext,
-                                        final String text) {
+                                        final String text,
+                                        final DirectItem repliedToMessage) {
         return new DirectItem(
                 UUID.randomUUID().toString(),
                 userId,
@@ -44,7 +45,7 @@ public class DirectItemFactory {
                 null,
                 null,
                 null,
-                null,
+                repliedToMessage,
                 null,
                 null,
                 0,

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

@@ -62,8 +62,8 @@ public final class Utils {
     public static SettingsHelper settingsHelper;
     public static boolean sessionVolumeFull = false;
     public static final MimeTypeMap mimeTypeMap = MimeTypeMap.getSingleton();
+    public static final DisplayMetrics displayMetrics = Resources.getSystem().getDisplayMetrics();
     public static ClipboardManager clipboardManager;
-    public static DisplayMetrics displayMetrics = Resources.getSystem().getDisplayMetrics();
     public static SimpleDateFormat datetimeParser;
     public static SimpleCache simpleCache;
     private static int statusBarHeight;
@@ -73,9 +73,7 @@ public final class Utils {
     private static int defaultStatusBarColor;
 
     public static int convertDpToPx(final float dp) {
-        if (displayMetrics == null)
+        return Math.round((dp * displayMetrics.densityDpi) / DisplayMetrics.DENSITY_DEFAULT);
-            displayMetrics = Resources.getSystem().getDisplayMetrics();
-        return Math.round((dp * displayMetrics.densityDpi) / 160.0f);
     }
 
     public static void copyText(@NonNull final Context context, final CharSequence string) {

app/src/main/java/awais/instagrabber/viewmodels/DirectThreadViewModel.java

@@ -81,6 +81,7 @@ public class DirectThreadViewModel extends AndroidViewModel {
     private final MutableLiveData<Boolean> fetching = new MutableLiveData<>(false);
     private final MutableLiveData<List<User>> users = new MutableLiveData<>(new ArrayList<>());
     private final MutableLiveData<List<User>> leftUsers = new MutableLiveData<>(new ArrayList<>());
+    private final MutableLiveData<DirectItem> replyToItem = new MutableLiveData<>();
 
     private final DirectMessagesService service;
     private final ContentResolver contentResolver;
@@ -285,7 +286,7 @@ public class DirectThreadViewModel extends AndroidViewModel {
         return index;
     }
 
-    private void updateItemSent(final String clientContext, final long timestamp) {
+    private void updateItemSent(final String clientContext, final long timestamp, final String itemId) {
         if (clientContext == null) return;
         List<DirectItem> list = this.items.getValue();
         list = list == null ? new LinkedList<>() : new LinkedList<>(list);
@@ -297,6 +298,7 @@ public class DirectThreadViewModel extends AndroidViewModel {
         final DirectItem directItem = list.get(index);
         try {
             final DirectItem itemClone = (DirectItem) directItem.clone();
+            itemClone.setItemId(itemId);
             itemClone.setPending(false);
             itemClone.setTimestamp(timestamp);
             list.set(index, itemClone);
@@ -322,6 +324,10 @@ public class DirectThreadViewModel extends AndroidViewModel {
         return leftUsers;
     }
 
+    public LiveData<DirectItem> getReplyToItem() {
+        return replyToItem;
+    }
+
     public void fetchChats() {
         final Boolean isFetching = fetching.getValue();
         if ((isFetching != null && isFetching) || !hasOlder) return;
@@ -392,12 +398,21 @@ public class DirectThreadViewModel extends AndroidViewModel {
         final Long userId = handleCurrentUser(data);
         if (userId == null) return data;
         final String clientContext = UUID.randomUUID().toString();
-        final DirectItem directItem = DirectItemFactory.createText(userId, clientContext, text);
+        final DirectItem replyToItemValue = replyToItem.getValue();
+        final DirectItem directItem = DirectItemFactory.createText(userId, clientContext, text, replyToItemValue);
         // Log.d(TAG, "sendText: sending: itemId: " + directItem.getItemId());
         directItem.setPending(true);
         addItems(0, Collections.singletonList(directItem));
         data.postValue(Resource.loading(directItem));
-        final Call<DirectThreadBroadcastResponse> request = service.broadcastText(clientContext, threadIdOrUserIds, text);
+        final String repliedToItemId = replyToItemValue != null ? replyToItemValue.getItemId() : null;
+        final String repliedToClientContext = replyToItemValue != null ? replyToItemValue.getClientContext() : null;
+        final Call<DirectThreadBroadcastResponse> request = service.broadcastText(
+                clientContext,
+                threadIdOrUserIds,
+                text,
+                repliedToItemId,
+                repliedToClientContext
+        );
         enqueueRequest(request, data, directItem);
         return data;
     }
@@ -848,6 +863,7 @@ public class DirectThreadViewModel extends AndroidViewModel {
                     }
                     final String payloadClientContext;
                     final long timestamp;
+                    final String itemId;
                     final DirectThreadBroadcastResponsePayload payload = broadcastResponse.getPayload();
                     if (payload == null) {
                         final List<DirectThreadBroadcastResponseMessageMetadata> messageMetadata = broadcastResponse.getMessageMetadata();
@@ -857,12 +873,14 @@ public class DirectThreadViewModel extends AndroidViewModel {
                         }
                         final DirectThreadBroadcastResponseMessageMetadata metadata = messageMetadata.get(0);
                         payloadClientContext = metadata.getClientContext();
+                        itemId = metadata.getItemId();
                         timestamp = metadata.getTimestamp();
                     } else {
                         payloadClientContext = payload.getClientContext();
                         timestamp = payload.getTimestamp();
+                        itemId = payload.getItemId();
                     }
-                    updateItemSent(payloadClientContext, timestamp);
+                    updateItemSent(payloadClientContext, timestamp, itemId);
                     data.postValue(Resource.success(directItem));
                     return;
                 }
@@ -987,8 +1005,13 @@ public class DirectThreadViewModel extends AndroidViewModel {
 
     private void forward(@NonNull final DirectThread thread, @NonNull final DirectItem itemToForward) {
         final DirectItemType itemType = itemToForward.getItemType();
+        final String itemTypeName = itemType.getName();
+        if (itemTypeName == null) {
+            Log.e(TAG, "forward: itemTypeName was null!");
+            return;
+        }
         final Call<DirectThreadBroadcastResponse> request = service.forward(thread.getThreadId(),
-                                                                            itemType.getName(),
+                                                                            itemTypeName,
                                                                             threadId,
                                                                             itemToForward.getItemId());
         request.enqueue(new Callback<DirectThreadBroadcastResponse>() {
@@ -1019,4 +1042,9 @@ public class DirectThreadViewModel extends AndroidViewModel {
             }
         });
     }
+
+    public void setReplyToItem(final DirectItem item) {
+        // Log.d(TAG, "setReplyToItem: " + item);
+        replyToItem.postValue(item);
+    }
 }

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

@@ -119,19 +119,29 @@ public class DirectMessagesService extends BaseService {
 
     public Call<DirectThreadBroadcastResponse> broadcastText(final String clientContext,
                                                              final ThreadIdOrUserIds threadIdOrUserIds,
-                                                             final String text) {
+                                                             final String text,
+                                                             final String repliedToItemId,
+                                                             final String repliedToClientContext) {
         final List<String> urls = TextUtils.extractUrls(text);
         if (!urls.isEmpty()) {
-            return broadcastLink(clientContext, threadIdOrUserIds, text, urls);
+            return broadcastLink(clientContext, threadIdOrUserIds, text, urls, repliedToItemId, repliedToClientContext);
         }
-        return broadcast(new TextBroadcastOptions(clientContext, threadIdOrUserIds, text));
+        final TextBroadcastOptions broadcastOptions = new TextBroadcastOptions(clientContext, threadIdOrUserIds, text);
+        broadcastOptions.setRepliedToItemId(repliedToItemId);
+        broadcastOptions.setRepliedToClientContext(repliedToClientContext);
+        return broadcast(broadcastOptions);
     }
 
     public Call<DirectThreadBroadcastResponse> broadcastLink(final String clientContext,
                                                              final ThreadIdOrUserIds threadIdOrUserIds,
                                                              final String linkText,
-                                                             final List<String> urls) {
+                                                             final List<String> urls,
-        return broadcast(new LinkBroadcastOptions(clientContext, threadIdOrUserIds, linkText, urls));
+                                                             final String repliedToItemId,
+                                                             final String repliedToClientContext) {
+        final LinkBroadcastOptions broadcastOptions = new LinkBroadcastOptions(clientContext, threadIdOrUserIds, linkText, urls);
+        broadcastOptions.setRepliedToItemId(repliedToItemId);
+        broadcastOptions.setRepliedToClientContext(repliedToClientContext);
+        return broadcast(broadcastOptions);
     }
 
     public Call<DirectThreadBroadcastResponse> broadcastPhoto(final String clientContext,
@@ -187,6 +197,10 @@ public class DirectMessagesService extends BaseService {
         form.put("__uuid", deviceUuid);
         form.put("client_context", broadcastOptions.getClientContext());
         form.put("mutation_token", broadcastOptions.getClientContext());
+        if (!TextUtils.isEmpty(broadcastOptions.getRepliedToItemId()) && !TextUtils.isEmpty(broadcastOptions.getRepliedToClientContext())) {
+            form.put("replied_to_item_id", broadcastOptions.getRepliedToItemId());
+            form.put("replied_to_client_context", broadcastOptions.getRepliedToClientContext());
+        }
         form.putAll(broadcastOptions.getFormMap());
         form.put("action", "send_item");
         final Map<String, String> signedForm = Utils.sign(form);

app/src/main/res/drawable/ic_round_reply_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="M10,9V7.41c0,-0.89 -1.08,-1.34 -1.71,-0.71L3.7,11.29c-0.39,0.39 -0.39,1.02 0,1.41l4.59,4.59c0.63,0.63 1.71,0.19 1.71,-0.7V14.9c5,0 8.5,1.6 11,5.1 -1,-5 -4,-10 -11,-11z"/>
+</vector>

app/src/main/res/layout/fragment_direct_messages_thread.xml

@@ -11,12 +11,98 @@
         android:layout_width="0dp"
         android:layout_height="0dp"
         android:scrollbars="none"
-        app:layout_constraintBottom_toTopOf="@id/input"
+        app:layout_constraintBottom_toTopOf="@id/reply_info"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         tools:listitem="@layout/layout_dm_base" />
 
+    <View
+        android:id="@+id/reply_bg"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:background="@drawable/bg_input"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="@id/input_bg"
+        app:layout_constraintEnd_toEndOf="@id/input_bg"
+        app:layout_constraintStart_toStartOf="@id/input_bg"
+        app:layout_constraintTop_toTopOf="@id/reply_info"
+        tools:visibility="visible" />
+
+    <androidx.appcompat.widget.AppCompatTextView
+        android:id="@+id/reply_info"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:ellipsize="end"
+        android:paddingStart="16dp"
+        android:paddingTop="8dp"
+        android:paddingEnd="16dp"
+        android:paddingBottom="4dp"
+        android:singleLine="true"
+        android:textAppearance="@style/TextAppearance.MaterialComponents.Caption"
+        android:visibility="gone"
+        app:layout_constraintBottom_toTopOf="@id/reply_preview_text"
+        app:layout_constraintEnd_toStartOf="@id/reply_preview_image"
+        app:layout_constraintStart_toStartOf="@id/input_bg"
+        app:layout_constraintTop_toBottomOf="@id/chats"
+        tools:text="Replying to yourself"
+        tools:visibility="visible" />
+
+    <androidx.emoji.widget.EmojiAppCompatTextView
+        android:id="@+id/reply_preview_text"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:ellipsize="end"
+        android:paddingStart="16dp"
+        android:paddingTop="4dp"
+        android:paddingEnd="16dp"
+        android:paddingBottom="8dp"
+        android:singleLine="true"
+        android:textAppearance="@style/TextAppearance.MaterialComponents.Caption"
+        android:visibility="gone"
+        app:layout_constraintBottom_toTopOf="@id/input_bg"
+        app:layout_constraintEnd_toStartOf="@id/reply_preview_image"
+        app:layout_constraintStart_toStartOf="@id/input_bg"
+        app:layout_constraintTop_toBottomOf="@id/reply_info"
+        app:layout_goneMarginTop="8dp"
+        tools:text="Post"
+        tools:visibility="visible" />
+
+    <com.facebook.drawee.view.SimpleDraweeView
+        android:id="@+id/reply_preview_image"
+        android:layout_width="@dimen/dm_inbox_avatar_size_small"
+        android:layout_height="@dimen/dm_inbox_avatar_size_small"
+        android:layout_marginEnd="8dp"
+        android:visibility="gone"
+        app:actualImageScaleType="centerCrop"
+        app:layout_constraintBottom_toBottomOf="@id/reply_preview_text"
+        app:layout_constraintEnd_toStartOf="@id/reply_cancel"
+        app:layout_constraintStart_toEndOf="@id/reply_preview_text"
+        app:layout_constraintTop_toTopOf="@id/reply_info"
+        tools:background="@mipmap/ic_launcher"
+        tools:visibility="visible" />
+
+    <androidx.appcompat.widget.AppCompatImageView
+        android:id="@+id/reply_cancel"
+        android:layout_width="24dp"
+        android:layout_height="24dp"
+        android:layout_marginEnd="12dp"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="@id/reply_preview_text"
+        app:layout_constraintEnd_toEndOf="@id/input_bg"
+        app:layout_constraintStart_toEndOf="@id/reply_preview_image"
+        app:layout_constraintTop_toTopOf="@id/reply_info"
+        app:srcCompat="@drawable/ic_close_24"
+        tools:visibility="visible" />
+
+    <!--<androidx.constraintlayout.widget.Group-->
+    <!--    android:id="@+id/reply_group"-->
+    <!--    android:layout_width="0dp"-->
+    <!--    android:layout_height="0dp"-->
+    <!--    android:visibility="gone"-->
+    <!--    app:constraint_referenced_ids="reply_bg,reply_cancel,reply_info,reply_item_type,reply_preview"-->
+    <!--    tools:visibility="visible" />-->
+
     <View
         android:id="@+id/input_bg"
         android:layout_width="0dp"
@@ -65,7 +151,7 @@
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toStartOf="@id/camera"
         app:layout_constraintStart_toEndOf="@id/emoji_toggle"
-        app:layout_constraintTop_toBottomOf="@id/chats"
+        app:layout_constraintTop_toBottomOf="@id/reply_preview_text"
         app:layout_goneMarginBottom="4dp"
         app:layout_goneMarginEnd="24dp" />
 

app/src/main/res/values/strings.xml

@@ -401,4 +401,10 @@
     <string name="forward">Forward</string>
     <string name="add">Add</string>
     <string name="send">Send</string>
+    <string name="replying_to_yourself">Replying to yourself</string>
+    <string name="replying_to_user">Replying to %s</string>
+    <string name="photo">Photo</string>
+    <string name="video">Video</string>
+    <string name="voice_message">Voice message</string>
+    <string name="post">Post</string>
 </resources>