title: android image gallery start moving or slowing down and stopped moving
body: <p>i am using android gallery is there any listener or way i can know which get fired when user start motion, stop motion, slowing down or moving ?</p>
  
  <p>i see you can overide the following method</p>
  
  <pre><code>@Override
      public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
          return super.onFling(e1, e2, velocityX, velocityY);
      }
  </code></pre>
  
  <p>but how do i know if scrolling is going to stop or started ?</p>