question: private void cancelForwardingTouchEvent ( ) { if ( mChildViewTouched != null ) { mLastChildTouchEvent . setAction ( MotionEvent . ACTION_CANCEL ) ; mChildViewTouched . onTouchEvent ( mLastChildTouchEvent ) ; mChildViewTouched = null ; } }
target:  Cancels the touch event forwarding by sending a cancel event to the recipient view and resetting the touch forward recipient to ensure no more events can be forwarded in the current series of the touch events.