<?xml version="1.0" encoding="utf-8"?>
<f:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
  xmlns:f="library://ns.feathersui.com/mxml"
  theme="feathers.themes.MetalWorksDesktopTheme"
  creationComplete="creationCompleteHandler()">  
  <fx:Script>
    <![CDATA[
      import starling.extensions.callLater.CallLater;
      import feathers.data.ListCollection;
      private var listCollection:ListCollection = new ListCollection();
      private function creationCompleteHandler():void
      {
        tabBar.dataProvider = new ListCollection();
        tabBar.dataProvider.addItem( "one" );
        trace(tabBar.height);
        CallLater.call(tabBarHeightCL);
      }
      private function tabBarHeightCL():void
      {
        trace(tabBar.height);
      }
    ]]>
  </fx:Script>
  <f:TabBar id="tabBar"/><!--  -->
</f:Application>