TestActivate.hx

package;

import flash.events.Event;
import flash.events.FocusEvent;
import flash.Lib;
import flash.display.Sprite;
import flash.display.StageScaleMode;

class TestActivate extends Sprite {

	public function new() {
		super();
		haxe.Timer.delay(init,100);
	}

	private function init():Void {
		Lib.current.stage.addEventListener(Event.DEACTIVATE, onDeactivate);
		Lib.current.stage.addEventListener(FocusEvent.FOCUS_IN, onFocusIn);
		Lib.current.stage.addEventListener(FocusEvent.FOCUS_OUT, onFocusOut);
	}

	private function onFocusIn(e:Event=null) {
		trace('App received focus');
	}

	private function onFocusOut(e:Event=null) {
		trace('App lost focus');
	}

	private function onDeactivate(e:Event=null) {
		trace('App is deactivated');
		Lib.current.stage.frameRate = 1;
		Lib.current.stage.removeEventListener(Event.DEACTIVATE, onDeactivate);
    		Lib.current.stage.addEventListener(Event.ACTIVATE, onActivate);
	}

	private function onActivate(e:Event=null) {
		trace('App is activated');
		Lib.current.stage.frameRate = 60;
    		Lib.current.stage.removeEventListener(Event.ACTIVATE, onActivate);
    		Lib.current.stage.addEventListener(Event.DEACTIVATE, onDeactivate);
	}

	static public function main() {
		var stage = Lib.current.stage;
		stage.scaleMode = StageScaleMode.NO_SCALE;
		Lib.current.addChild(new TestActivate());
	}

}