title: How to get the scroll speed on a ListView?
body: <p>I have a ListView with onScrollStateChanged and onScroll event listeners. I want to be able to get the scroll speed of the ListView or some way to get the finalX location of the initiated scroll in some Event listener. Our app targets SDK version 7.</p>
  
  <p>I need to measure or get the speed at which the ListView is scrolling.</p>