组件逐渐消失效果实例

<?xml version="1.0" encoding="utf-8"?><s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009"    xmlns:s="library://ns.adobe.com/flex/spark"    xmlns:mx="library://ns.adobe.com/flex/mx"><s:layout><s:BasicLayout/></s:layout><s:states><s:State name="state1"/><s:State name="state2"/></s:states><!-- Transition用于在State转换是执行Fade特效。 --><s:transitions><s:Transition><!-- 表示Fade的对象是这3个对象 --><s:Fade targets="{[button0,button1,label2]}"/></s:Transition></s:transitions><fx:Declarations><!-- 将非可视元素（例如服务、值对象）放在此处 --> </fx:Declarations><s:Button id="button0" label="按钮1" x="100" y="0" visible="true" visible.state2="false"/><s:Button id="button1" label="按钮2" x="100" y="50" alpha="0" alpha.state2="1"/><s:Label id="label2" text="标签3" x="100" y="100" includeIn="state2"/><s:Button label="Toggle State" click="currentState = (currentState=='state1')?'state2':'state1'"/></s:WindowedApplication>

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图一

图二

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