Flex hello world:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" xmlns:ns1="*">
<mx:Button label="Saludo" id="btnSaludo" enabled="true" click="saludar()" />
<mx:Script >
<![CDATA[
import mx.controls.Alert;
import mx.rpc.events.ResultEvent;
private function saludar():void{
Alert.show('hola');
}
]]>
</mx:Script>
</mx:Application>
