title: Error in pull down to refresh list view android
body: <p>I am using the feature pull down to refresh by using this <a href="https://github.com/chrisbanes/Android-PullToRefresh" rel="nofollow">library</a> of chrisbanes 
  But when I tried to import this widget in my xml file
  It shows me the following error.Please help me how to solve this.
  Error:</p>
  
  <pre><code>com.handmark.pulltorefresh.library.PullToRefreshListView failed to instantiate.
  </code></pre>