title: Android PullTo Refresh on ScrollView
body: <p>I know that pullToRefresh like functionality is available in the iPhone and for the Android we have to manage it manually.</p>
  
  <p>I got some example the having pullToRefresh but it works on the ListView only.</p>
  
  <p>In my case I want to implement for the Scrollview. Something like PullToRefresh available in DrawFree app in Google Play.</p>
  
  <p>Please see below image:</p>
  
  <p><img src="https://i.stack.imgur.com/UVVfB.png" alt="enter image description here"></p>
  
  <p>So, how to implement it?</p>