title: Hide groupIndicator of expandable listview based on listview positions
body: <pre><code>&lt;ExpandableListView
  android:id="@+id/android:list"
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:groupIndicator="@drawable/group_indicator"
  android:background="#ffffff"
  /&gt;
  </code></pre>
  
  <p>I have used an expandable list view with group Indicator...
  if in list view fourth position, there is no child for a group ...then it should not show the indicator in fourth position ...how to go with it</p>