interfaceRvOnItemTouchListener{ voidonLongTouchListener(); } publicclassOnLongTouchListenerimplementsRecyclerView.OnItemTouchListener{ RvOnItemTouchListenermRvOnItemTouchListener; privateGestureDetectorgestureDetector; publicOnLongTouchListener(Contextcontext,RvOnItemTouchListenerrvOnItemTouch...