<mx:WindowedApplication xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical"
windowComplete="completeHandler();">
<mx:Script>
<![CDATA[
private function completeHandler():void {
NativeApplication.nativeApplication.idleThreshold =10;
NativeApplication.nativeApplication.addEventListener(Event.USER_IDLE, idleHandler );
NativeApplication.nativeApplication.addEventListener(Event.USER_PRESENT, resenceHandler );
}
private function idleHandler( evt:Event ):void {
trace( "Hello?!?!");
}
private function presenceHandler( evt:Event ):void {
trace( "Welcome Back!");
}

]]>
</mx:Script>
</mx:WindowedApplication>