package {
	import flash.system.Security;
	import flash.display.MovieClip;
	import flash.display.Loader;
	import flash.events.Event;
	import flash.net.URLRequest;
	import fl.data.DataProvider;
	import fl.controls.ComboBox;
	import fl.controls.TextArea;
 
	public class YouTubeAS3 extends MovieClip {
		public var VidHolder:MovieClip;
		public var VidSelection:ComboBox;
		public var traceArea:TextArea;
 
		private var player:Object;
		private var loader:Loader;
		private var vidCollection:DataProvider;
 
		public function YouTubeAS3():void {
			Security.allowInsecureDomain("*");
			Security.allowDomain("*");
 
			vidCollection = new DataProvider();
			vidCollection.addItem({data:"KhAplw0Z8zQ", label:"Wreckage"});
			vidCollection.addItem({data:"d54AA2YWll0", label:"Window View"});
			vidCollection.addItem({data:"Sv83GeuyN8A", label:"The Fearless Man"});
			vidCollection.addItem({data:"9t5guYGbuZs", label:"Ephemeral"});
 
			VidSelection.dataProvider = vidCollection;
			VidSelection.addEventListener(Event.CHANGE, cueVideo);
 
			loader = new Loader();
			loader.contentLoaderInfo.addEventListener(Event.INIT, onLoaderInit);
			loader.load(new URLRequest("http://www.youtube.com/apiplayer?version=3"));
		}
 
		private function onLoaderInit(event:Event):void {
			VidHolder.addChild(loader);
			loader.content.addEventListener("onReady", onPlayerReady);
			loader.content.addEventListener("onError", onPlayerError);
			loader.content.addEventListener("onStateChange", onPlayerStateChange);
			loader.content.addEventListener("onPlaybackQualityChange", onVideoPlaybackQualityChange);
		}
 
		private function onPlayerReady(event:Event):void {
			traceArea.text += "player ready:" + Object(event).data + "\r";
			player = loader.content;
			player.setSize(VidHolder.width, VidHolder.height);
			VidSelection.selectedIndex = 0;
			VidSelection.dispatchEvent(new Event(Event.CHANGE));
		}
		private function cueVideo(event:Event):void {
			traceArea.text += "switch to:" + event.target.selectedItem.label + "\r";
			player.cueVideoById(event.target.selectedItem.data);
		}
 
		private function onPlayerError(event:Event):void {
			traceArea.text += "player error:" + Object(event).data + "\r";
		}
 
		private function onPlayerStateChange(event:Event):void {
			traceArea.text += "player state:" + Object(event).data + "\r";
		}
 
		private function onVideoPlaybackQualityChange(event:Event):void {
			traceArea.text += "video quality:" + Object(event).data + "\r";
		}
	}
}

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 
			   xmlns:s="library://ns.adobe.com/flex/spark" 
			   xmlns:mx="library://ns.adobe.com/flex/halo" 
			   applicationComplete="init()" width="480" height="500">
	<fx:Script>
		<![CDATA[
			import flash.system.Security;
			import mx.collections.ArrayCollection;
			import mx.events.ListEvent;
			import flash.display.Loader;
			import flash.events.Event;
 
			private var player:Object;
			private var loader:Loader;
			[Bindable] private var vidCollection:ArrayCollection;
 
			private function init():void {
				Security.allowInsecureDomain("*");
				Security.allowDomain("*");
 
				vidCollection = new ArrayCollection();
				vidCollection.addItem({data:"KhAplw0Z8zQ", label:"Wreckage"});
				vidCollection.addItem({data:"d54AA2YWll0", label:"Window View"});
				vidCollection.addItem({data:"Sv83GeuyN8A", label:"The Fearless Man"});
				vidCollection.addItem({data:"9t5guYGbuZs", label:"Ephemeral"});
 
				loader = new Loader();
				loader.contentLoaderInfo.addEventListener(Event.INIT, onLoaderInit);
				loader.load(new URLRequest("http://www.youtube.com/apiplayer?version=3"));
			}
 
			private function onLoaderInit(event:Event):void {
				VidHolder.rawChildren.addChild(loader);
				loader.content.addEventListener("onReady", onPlayerReady);
				loader.content.addEventListener("onError", onPlayerError);
				loader.content.addEventListener("onStateChange", onPlayerStateChange);
				loader.content.addEventListener("onPlaybackQualityChange", onVideoPlaybackQualityChange);
			}
 
			private function onPlayerReady(event:Event):void {
				traceArea.text += "player ready:" + Object(event).data + "\r";
				player = loader.content;
				player.setSize(VidHolder.width, VidHolder.height);
				VidSelection.selectedIndex = 0;
				VidSelection.dispatchEvent(new ListEvent(ListEvent.CHANGE, true, false));
			}
			private function cueVideo(event:ListEvent):void {
				traceArea.text += "switch to:" + event.target.selectedItem.label + "\r";
				player.cueVideoById(event.target.selectedItem.data);
			}
 
			private function onPlayerError(event:Event):void {
				traceArea.text += "player error:" + Object(event).data + "\r";
			}
 
			private function onPlayerStateChange(event:Event):void {
				traceArea.text += "player state:" + Object(event).data + "\r";
			}
 
			private function onVideoPlaybackQualityChange(event:Event):void {
				traceArea.text += "video quality:" + Object(event).data + "\r";
			}
 
		]]>
	</fx:Script>
 
	<fx:Declarations>
		<!-- Place non-visual elements (e.g., services, value objects) here -->
	</fx:Declarations>
 
	<mx:Canvas id="VidHolder" left="0" right="0" top="0" bottom="140"></mx:Canvas>
	<mx:ComboBox id="VidSelection" editable="false" dataProvider="{vidCollection}" left="10" right="10" bottom="110" height="22" change="cueVideo(event)"></mx:ComboBox>
	<s:TextArea left="10" right="10" editable="false" top="398" bottom="10" id="traceArea"/>
</s:Application>