             
             if (navigator is ViewNavigator)
             {
-                actionBar = ViewNavigator(navigator).actionBar;
-    
                 if (componentIsVisible(actionBar))
                 {
                     // Always generate full ActionBar caches

                fullScreenAnimation = (componentIsVisible(tabBar) != nextView.tabBarVisible);
        }
        
        // Check for actionBar visiblity and overlayControls property change
        if (!fullScreenAnimation)
        {

            }
            else if (navigator is ViewNavigator)
            {
                if (componentIsVisible(actionBar) != nextView.actionBarVisible)
                {
                    fullScreenAnimation = true;
                    targetNavigator = navigator;
