Java Code Examples for androidx.recyclerview.widget.ItemTouchHelper#DOWN

@Override
public int getMovementFlags(@NonNull RecyclerView recyclerView,
                            @NonNull RecyclerView.ViewHolder viewHolder) {
    // Set movement flags based on the layout manager.
    int swipeFlags = 0;
    int dragFlags;
    if (recyclerView.getLayoutManager() instanceof GridLayoutManager) {
        dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN
                | ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT;
    } else {
        if (mIsFreedom) {
            dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN
                    | ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT;
        } else {
            dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
        }
    }
    return makeMovementFlags(dragFlags, swipeFlags);
}
 

/**
 * {@inheritDoc}
 */
@Override
public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
    RecyclerView.LayoutManager layoutManager = recyclerView.getLayoutManager();
    int dragFlags;
    int swipeFlags;
    // Set movement flags based on the Layout Manager and Orientation
    if (layoutManager instanceof GridLayoutManager || layoutManager instanceof StaggeredGridLayoutManager) {
        dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN | ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT;
        swipeFlags = 0;
    } else if (LayoutUtils.getOrientation(recyclerView) == LinearLayoutManager.HORIZONTAL) {
        dragFlags = ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT;
        swipeFlags = mSwipeFlags > 0 ? mSwipeFlags : ItemTouchHelper.UP | ItemTouchHelper.DOWN;
    } else {
        dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
        swipeFlags = mSwipeFlags > 0 ? mSwipeFlags : ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT;
    }
    // Disallow item swiping or dragging
    if (viewHolder instanceof ViewHolderCallback) {
        ViewHolderCallback viewHolderCallback = (ViewHolderCallback) viewHolder;
        if (!viewHolderCallback.isDraggable()) {
            dragFlags = 0;
        }
        if (!viewHolderCallback.isSwipeable()) {
            swipeFlags = 0;
        }
    }
    return makeMovementFlags(dragFlags, swipeFlags);
}
 

@Override
public int getMovementFlags(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder) {
    int position = viewHolder.getAdapterPosition();
    final int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
    int swipeFlags = position == 0 ? 0 : ItemTouchHelper.START | ItemTouchHelper.END;
    return makeMovementFlags(dragFlags, swipeFlags);
}
 

public ItemTouchHelper build() {
    DragItemCallback callback = new DragItemCallback();
    callback.recyclerAdapter = recyclerAdapter;
    callback.draggingMap = draggingMap;
    callback.dragFlags = dragFlags != 0 ? dragFlags : ItemTouchHelper.UP | ItemTouchHelper.DOWN;
    callback.itemMoveListener = itemMoveListener;
    callback.itemTouchStateChangeListener = itemTouchStateChangeListener;

    return new ItemTouchHelper(callback);
}
 

private ItemTouchHelper.Callback createTouchHelperCallback() {
    return new ItemTouchHelper.SimpleCallback(ItemTouchHelper.UP | ItemTouchHelper.DOWN, ItemTouchHelper.LEFT) {
        @Override
        public boolean isLongPressDragEnabled() {
            return true;
        }

        @Override
        public boolean isItemViewSwipeEnabled() {
            return false;
        }

        @Override
        public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder from, RecyclerView.ViewHolder to) {
            HistoryAdapter adapter;
            if (recyclerView.getAdapter() instanceof HistoryAdapter) {
                adapter = (HistoryAdapter) recyclerView.getAdapter();
                adapter.swapItems(from.getAdapterPosition(), to.getAdapterPosition());
                return true;
            }

            return false;
        }

        @Override
        public void onSwiped(RecyclerView.ViewHolder viewHolder, int i) {

        }
    };
}
 

@Override
public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
    //上下拖拽
    int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
    //向右侧滑
    int swipeFlags = ItemTouchHelper.RIGHT | ItemTouchHelper.LEFT;
    return makeMovementFlags(dragFlags, swipeFlags);
}
 

@Override
public int getMovementFlags(@NonNull RecyclerView recyclerView,
                            @NonNull RecyclerView.ViewHolder viewHolder) {
    // Set movement flags.
    int dragFlags = 0;
    int swipeFlags;
    if (mOrientation == LinearLayout.HORIZONTAL) {
        swipeFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
    } else {
        swipeFlags = ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT;
    }
    return makeMovementFlags(dragFlags, swipeFlags);
}
 

@Override
public int getMovementFlags(final RecyclerView recyclerView, final RecyclerView.ViewHolder viewHolder) {
    final WaypointEntry entry = mWaypointEntries.get(viewHolder.getAdapterPosition());
    final int dragFlags = entry.isDraggable() ?
            ItemTouchHelper.UP | ItemTouchHelper.DOWN :
            ItemTouchHelper.ACTION_STATE_IDLE;
    return makeMovementFlags(dragFlags, ItemTouchHelper.ACTION_STATE_IDLE);
}
 

@Override
public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
	int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN | ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT;
	return makeMovementFlags(dragFlags, 0);
}
 

@Override
public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
    final int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
    final int swipeFlags = ItemTouchHelper.END | ItemTouchHelper.START;
    return makeMovementFlags(dragFlags, swipeFlags);
}
 

@Override
public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
    int dragFlags = ItemTouchHelper.START | ItemTouchHelper.END;
    int swipeFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
    return makeMovementFlags(dragFlags, swipeFlags);
}
 

@Override
public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
    int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
    return makeMovementFlags(dragFlags, 0);
}
 

@Override
public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
    int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
    int swipeFlags = ItemTouchHelper.START | ItemTouchHelper.END;
    return makeMovementFlags(dragFlags, swipeFlags);
}
 

@Override
public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
    int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
    return makeMovementFlags(dragFlags, 0);
}
 

@Override
public int getMovementFlags(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder) {
    int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
    int swipeFlags = ItemTouchHelper.END;
    return makeMovementFlags(dragFlags, swipeFlags);
}
 

TouchHelperCallback() {
    super(ItemTouchHelper.UP | ItemTouchHelper.DOWN, ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT);
}
 

@Override
public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
    final int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
    final int swipeFlags = ItemTouchHelper.END;
    return makeMovementFlags(dragFlags, swipeFlags);
}
 

@Override
public int getMovementFlags(RecyclerView recyclerView, ViewHolder viewHolder) {
    int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
    return Callback.makeMovementFlags(dragFlags, 0);
}
 

@Override
public int getMovementFlags(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder) {
    int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
    int swipeFlags = ItemTouchHelper.END;
    return makeMovementFlags(dragFlags, swipeFlags);
}
 

@Override
public int getMovementFlags(@NotNull RecyclerView recyclerView, @NotNull RecyclerView.ViewHolder viewHolder) {
    int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
    int swipeFlags = ItemTouchHelper.START | ItemTouchHelper.END;
    return makeMovementFlags(dragFlags, swipeFlags);
}