title: SherlockFragmentActivity setSupportProgressBarIndeterminateVisibility does not work
body: <p>i am trying to display the indeterminate progress bar in the <code>SherlockFragmentActivity</code>
  but my code displays only the ActionBar without the <code>ProgreessBar</code> in it</p>
  
  <p>Here is My code i am running in Android 4.1.1 </p>
  
  <pre><code>import com.actionbarsherlock.view.Window;
  ....
  ....
  public class SowahActivity extends SherlockFragmentActivity{
  ....
  ...
  ...
  protected void onCreate(Bundle savedInstanceState) {
  
          requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
          setSupportProgressBarIndeterminateVisibility(true);
          super.onCreate(savedInstanceState);
          setContentView(R.layout.my_list_view);
  }
  ...
  ...
  }
  </code></pre>
  
  <p>what makes the progress dialog not appearing in the Actionbar  </p>