<?xml version="1.0" encoding="utf-8"?>

<s:Application xmlns:fx=""       xmlns:s="library://ns.adobe.com/flex/spark"       xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"       initialize="application1_initializeHandler(event)"       creationComplete="application1_creationCompleteHandler(event)"       applicationComplete="application1_applicationCompleteHandler(event)">  <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 mx.controls.Alert;    import mx.events.FlexEvent;        protected function application1_initializeHandler(event:FlexEvent):void{     Alert.show("initialize");    }        protected function application1_creationCompleteHandler(event:FlexEvent):void{     Alert.show("creationComplete");    }        protected function application1_applicationCompleteHandler(event:FlexEvent):void{     Alert.show("applicationcomplete");    }   ]]>  </fx:Script>  <s:Panel title="Hello, flex!" width="600" horizontalCenter="0" verticalCenter="0">   <s:Button label="Click Me" click="Alert.show('Hello flex, I am coming!', 'Hello, flex!');" horizontalCenter="0" verticalCenter="0" />  </s:Panel> </s:Application>

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