How to use

onResume

method

in

android.app.ExpandableListActivity

/*******************************************************************************************************************
 *
 * {@inheritDoc}
 *
 ******************************************************************************************************************/
@Override
protected void onResume()
 {
  controller.getListAdapter().notifyDataSetChanged(); // e.g. we changed rendering options - FIXME: is this really needed?
  super.onResume();
 }