Flex中as控制全屏及退出全屏

首先定义处理的按钮

<s:Button id="fullScreen" label="全屏查看"? click="fullScr()"/>

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然后在定义as的处理函数

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??? <fx:Script>
??? ??? <![CDATA[

??? ??? ??? //0代表按钮“全屏观看”操作，操作完成后button上的显示化成“退出全屏”；1代表按钮“退出全屏”操作，完成后按钮显示“全屏查看”；
??? ??? ??? private var clickTag:int = 0;
??? ??? ???
??? ??? ??? private function fullScr():void{
??? ??? ??? ??? if(clickTag ==1){
??? ??? ??? ??? ??? stage.displayState = StageDisplayState.NORMAL;
??? ??? ??? ??? ??? fullScreen.label="全屏查看";
??? ??? ??? ??? ??? clickTag = 0;
??? ??? ??? ??? }else{
??? ??? ??? ??? ??? stage.displayState = StageDisplayState.FULL_SCREEN;
??? ??? ??? ??? ??? fullScreen.label="退出全屏";
??? ??? ??? ??? ??? clickTag = 1;
??? ??? ??? ??? }
??? ??? ??? }
??? ??? ]]>
??? </fx:Script>

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这样就可以了