Flex视频播放及其控制视频大小显示

<?xml version="1.0" encoding="utf-8"?>
<s:Group xmlns:fx="http://ns.adobe.com/mxml/2009" 
		 xmlns:s="library://ns.adobe.com/flex/spark" 
		 xmlns:mx="library://ns.adobe.com/flex/mx"
		 creationComplete="completeHandler()">
	<fx:Declarations>
		<!-- 将非可视元素（例如服务、值对象）放在此处 -->
	</fx:Declarations>
	<fx:Script>
		<![CDATA[
			import com.esri.ags.layers.supportClasses.AttachmentInfo;
			import com.esri.events.BaseEvent;
			
			import mx.core.UIComponent;
			
			[Bindable]
			public var enterprise_name_label:String = "";
			[Bindable]
			public var remarks_label:String = "";
			[Bindable]
			public var url:String = "";
			
			private var nc:NetConnection;
			private var ns:NetStream;
			private var video:Video;
			private var meta:Object;
			private var uic:UIComponent;
			private function init():void {
				//				
				view.removeAllChildren();
				if(ns != null){
					ns.pause();
					ns = null;
				}
				var nsClient:Object = {};
				nsClient.onMetaData = ns_onMetaData;
				nsClient.onCuePoint = ns_onCuePoint;
				
				nc = new NetConnection();
				nc.connect(null);
				
				ns = new NetStream(nc);
				ns.play("assets/images/20120507_120410.mp4");
				ns.client = nsClient;
				
				video = new Video();
				
				video.attachNetStream(ns);
				uic = new UIComponent();
				uic.addChild(video);
				view.addChild(uic);
			}
			
			private function ns_onMetaData(item:Object):void {
				trace("meta");
				meta = item;
				// Resize Video object to same size as meta data.
				video.width = 300;
				video.height = 200;
				// Resize UIComponent to same size as Video object.
				uic.width = video.width;
				uic.height = video.height;
			}
			
			private function ns_onCuePoint(item:Object):void {
				trace("cue");
			}
			
			private function completeHandler():void{
				BaseEvent.addListener(BaseEvent.ATTACHMENTINFO,setimageHandler);
				BaseEvent.addListener(BaseEvent.VIDEO_STOP,cancelHandler);
				
			}
			
			private function setimageHandler(event:BaseEvent):void{
				if(ns != null){
					ns.pause();
					ns = null;
				}
				view.removeAllChildren();
				var img:Image = new Image();
				img.source = (event.data as AttachmentInfo).url;
				img.visible = true;
				img.width = 200;
				img.height =100;
				view.addChild(img);
			}
			
			private function cancelHandler(event:BaseEvent):void{
				if(ns != null){
					ns.pause();
					ns = null;
				}
			}
			
			
		]]>
	</fx:Script>
	<s:Rect top="0" bottom="0" left="0" right="0">
		<s:fill>
			<s:SolidColor color="0xf0f0f0"/>
		</s:fill>
	</s:Rect>
	<mx:Form  width="100%" height="100%">
		<mx:FormItem label="备注：" horizontalAlign="right">
			<s:Label text="{remarks_label}" id="remarks"/>
		</mx:FormItem>
		<mx:FormItem label="附件：" horizontalAlign="right">
			<mx:HBox id="hboximg" width="100%" height="100%" maxWidth="200">
			</mx:HBox>
			<mx:HBox id="hboxvedio" width="100%" height="100%" maxWidth="200">
				<s:Image id="img1" source="assets/images/movie.png" click="init()"/>
			</mx:HBox>
		</mx:FormItem>
		<mx:FormItem horizontalAlign="right">
			<mx:HBox id="view" width="100%" height="100%">
			</mx:HBox>
		</mx:FormItem>
	</mx:Form>
</s:Group>