code: void reload() {
  //begin-snippet-1
  
  // The in the Activity which renders the ActionBar
  Entity entity = Entity.newInstance("http://getsocialize.com", "Socialize");
  
  // Setup a listener to retain a reference
  MyActionBarListener listener = new MyActionBarListener();
  
  // Use the listener when you show the action bar
  // The "this" argument refers to the current Activity
  ActionBarUtils.showActionBar(this, R.layout.actionbar, entity, null, listener);
  
  // Later (After the action bar has loaded!), you can reference the view to refresh
  ActionBarView view = listener.getActionBarView();
  
  if (view != null) {
  	Entity newEntity = new Entity(); // This would be your new entity
  	view.setEntity(newEntity);
  	view.refresh();
  }	
  		
  //end-snippet-1
  	}
docs: end-snippet-0