protected boolean isScrollGesture(MotionEvent event,int ptrIndex,float originalX,float originalY){
  float moveX=Math.abs(event.getX(ptrIndex) - originalX);
  float moveY=Math.abs(event.getY(ptrIndex) - originalY);
  if (moveX > mViewScaledTouchSlop || moveY > mViewScaledTouchSlop) {
    return true;
  }
  return false;
}

protected boolean isScrollGesture ( MotionEvent event , int ptrIndex , float originalX , float originalY ) { float moveX = Math . abs ( event . getX ( ptrIndex ) - originalX ) ; float moveY = Math . abs ( event . getY ( ptrIndex ) - originalY ) ; if ( moveX > mViewScaledTouchSlop || moveY > mViewScaledTouchSlop ) { return true ; } return false ; }
have we moved enough to trigger a scroll
