question: private void safeBottomView ( ) { Status status = getOpenStatus ( ) ; ViewGroup bottom = getBottomView ( ) ; if ( status == Status . Close ) { if ( bottom . getVisibility ( ) != INVISIBLE ) bottom . setVisibility ( INVISIBLE ) ; } else { if ( bottom . getVisibility ( ) != VISIBLE ) bottom . setVisibility ( VISIBLE ) ; } }
target:  prevent bottom view get any touch event. Especially in LayDown mode.