Ensuring Android app restarts every time

I want my Android app to restart every time rather than resume. I have found a couple of variations of code and wanted to check which is the recommended code?

Basically the difference is where the listener is added

i.e

stage.addEventListener(Event.DEACTIVATE, onDeactivateApp);

OR

NativeApplication.nativeApplication.addEventListener(Event.DEACTIVATE, onDeactivateApp);

function onDeactivateApp(event:Event):void {

          NativeApplication.nativeApplication.exit();

}

I have tested NativeApplication.nativeApplication.addEventListener(Event.DEACTIVATE, onDeactivateApp); on my Nexus 7 and it appears to do what I require but just want to be sure this is a catch all solution and that nothing else is required.