<s:VGroup xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" paddingTop="20" paddingLeft="20" paddingRight="20">

  <s:Label text="Type something:"/>

  <s:TextArea id="ti" width="100%" height="150"/>

  <s:Label text="You entered: {ti.text}" width="100%" paddingTop="20"/>

</s:VGroup>