question: private boolean checkTouchingMinTarget ( int index , MotionEvent event ) { if ( isTouchingMinTarget ( index , event ) ) { lastTouchedMin = true ; isTouchingMinTarget . add ( event . getPointerId ( index ) ) ; if ( ! minAnimator . isRunning ( ) ) { minAnimator = getMinTargetAnimator ( true ) ; minAnimator . start ( ) ; } return true ; } return false ; }
target:  Checks if given index is touching the min target.  If touching start animation.