code: private void sendCancelEvent(@Nullable final TouchEventHandler touchEventHandler, @NonNull final MotionEvent motionEvent) {
          if (touchEventHandler != null) {
              MotionEvent cancelEvent = MotionEvent.obtain(motionEvent);
              cancelEvent.setAction(MotionEvent.ACTION_CANCEL);
              touchEventHandler.onTouchEvent(cancelEvent);
          }
      }
docs: Sends a cancel event to given {@link com.nhaarman.listviewanimations.itemmanipulation.TouchEventHandler}.
  
  @param touchEventHandler the {@code TouchEventHandler} to send the event to.
  @param motionEvent       the {@link MotionEvent} to base the cancel event on.