question: public void addLongHoldView ( @ IdRes int longHoldViewId , boolean receiveMultipleEvents ) { longHoldViews . add ( new LongHoldView ( peekView . findViewById ( longHoldViewId ) , receiveMultipleEvents ) ) ; }
target:  Specify id of view WITHIN the peek layout, this view will trigger on long hold events. You can add multiple on long hold views