Air 程序的自动更新代码

用于AIR的自动更新程序，需要在服务器上部署用UPDate的XML文件，里面的内容只需版本号，注意的是，摆放在服务器的版本号必须和XML文件内的版本一致。

下面的是用于UPDate的类

 

  1package myClass
  2{
  3    
  4    import flash.desktop.Updater;
  5    import flash.display.*;
  6    import flash.errors.IllegalOperationError;
  7    import flash.events.*;
  8    import flash.filesystem.*;
  9    import flash.net.*;
 10    import flash.text.TextField;
 11    import flash.text.TextFormat;
 12    import flash.utils.ByteArray;
 13    import flash.xml.*;
 14    
 15    import mx.controls.Alert;
 16    import mx.core.UIComponent;
 17    import mx.events.CloseEvent; 
 18    public class AIRUpdater extends UIComponent
 19    {
 20        public var version:String;   
 21        public var updataURL:String;   
 22        private var updataRequest:URLRequest;   
 23        private var updataLoader:URLLoader=new URLLoader();   
 24        private var newVersion:String;   
 25        private var airURLString:String;   
 26        private var urlReq:URLRequest;   
 27        private var urlStream:URLStream;   
 28        private var fileData:ByteArray;   
 29        private var baseSprite:Sprite=new Sprite();   
 30        private var tipText:TextField=new TextField(); 
 31        private var downText:TextField = new TextField(); 
 32        private var setfont:TextFormat = new TextFormat();
 33
 34        public function AIRUpdater()
 35        {
 36            baseSprite.graphics.beginFill(0X666565,0.95);    
 37            baseSprite.graphics.lineStyle(2,0X333333,0);   
 38            baseSprite.graphics.drawRoundRect(0,0,363,167,10);     
 39            baseSprite.graphics.endFill();   
 40            baseSprite.y = 1024;
 41            /**//*add base*/  
 42            setfont.size = 20;
 43            setfont.bold = false;
 44            tipText.width=300;   
 45            tipText.height=30;   
 46            tipText.x=tipText.y=30;   
 47            tipText.autoSize="center";    
 48            tipText.textColor=0xFFFF00;   
 49            tipText.text="  正在下载新版本，请等候！\n\n Update Loading ! Please Wait !";  
 50            tipText.setTextFormat(setfont);
 51            baseSprite.addChild(tipText);   
 52            downText.width = 50;
 53            downText.height = 30;
 54            downText.x = 160;
 55            downText.y = 110;    
 56            downText.textColor=0xFFFF00;  
 57            downText.text = "0%";
 58            downText.setTextFormat(setfont);   
 59            baseSprite.addChild(downText);   
 60        }   
 61         
 62        public function updateMyApp():void {   
 63        updataRequest=new URLRequest(updataURL);   
 64        updataLoader.load(updataRequest); 
 65        
 66        updataLoader.addEventListener(IOErrorEvent.IO_ERROR,errorHandler);   
 67        updataLoader.addEventListener(Event.COMPLETE,loaderCompleteHandler);   
 68        }   
 69         
 70    public    function loaderCompleteHandler(event:Event):void { 
 71         
 72        try {   
 73        var result:XML=new XML(updataLoader.data);   
 74        if (version != result.version) {   
 75        newVersion=result.version;   
 76        airURLString=result.lastpublic;   
 77        trace("马上更新到最新版吗？" + "有新的更新"); 
 78          
 79        addChild(baseSprite);   
 80        baseSprite.x=(stage.stageWidth-baseSprite.width)/2;   
 81        baseSprite.y=(stage.stageHeight-baseSprite.height)/2+ 55;   
 82        
 83        updateBtHandler(); 
 84        }
 85        else
 86        {
 87            //thirteen.instance.startPlay();
 88        }   
 89        } catch (e:TypeError) {   
 90        trace("Updata Application Error:Could not parse the XML file.");
 91        Alert.show("更新配置文件有誤，請重試","Update失敗",4,null,quit);    
 92        }   
 93        }   
 94         
 95        private function errorHandler(e:IOErrorEvent):void {   
 96        trace("Updata Application Error:Had problem loading the XML File.");
 97        Alert.show("網絡有誤，請重試","Update失敗",4,null,quit);    
 98        }   
 99          
        private function updateBtHandler():void {   
        urlReq=new URLRequest(airURLString);   
        urlStream=new URLStream();   
        fileData=new ByteArray();   
        urlStream.addEventListener(Event.COMPLETE,loaded);   
        urlStream.addEventListener(ProgressEvent.PROGRESS,onProgress); 
        urlStream.addEventListener(IOErrorEvent.IO_ERROR,eehandler); 
        urlStream.load(urlReq);   
        }   
        
        public function eehandler(eve:ErrorEvent):void {
           Alert.show("找不到更新程序，請重試","Update失敗",4,null,quit);

        }

        private function onProgress(evt:ProgressEvent):void
        {
            var downNum:int = evt.bytesLoaded / evt.bytesTotal * 100;
            downText.text = downNum + "%";
            downText.setTextFormat(setfont); 
        }
        
        private function removeBtHandler(event:MouseEvent):void {   
        removeChild(baseSprite);   
        }   
        
        private function loaded(event:Event):void {   
        urlStream.readBytes(fileData,0,urlStream.bytesAvailable);   
        writeAirFile();   
        }   
        
        private function writeAirFile():void {   
        var file:File=File.documentsDirectory.resolvePath("HKdaLaoEr.air");   
        var fileStream:FileStream=new FileStream();   
        fileStream.addEventListener(Event.CLOSE,fileClosed);   
        fileStream.openAsync(file,FileMode.WRITE);   
        fileStream.writeBytes(fileData,0,fileData.length);   
        fileStream.close();   
        } 
          
        private function fileClosed(event:Event):void {   
        trace("The AIR file is written.");   
        var updater:Updater=new Updater();   

        var airFile:File=File.documentsDirectory.resolvePath("thirteen.air");   
        try{
        updater.update(airFile,newVersion); 
        }catch(e:IllegalOperationError) {
                trace(e);
                Alert.show("不能在調試環境下運行","Update失敗",4,null,quit);
            }
    }   
    private function quit(evt:CloseEvent):void{
            this.stage.nativeWindow.close();//关闭
        }

    }
}

 

 

private function checkUpdate():void{
   
   var dalaoerUndate:AIRUpdater = new AIRUpdater();  
   dalaoerUndate.version = version;
   dalaoerUndate.updataURL= XXXXXXXXXXXXXXX   // update的XML文件的网络地址
   dalaoerUndate.updateMyApp();  
   addChild(dalaoerUndate);
  }

 

Update XML文件：

 

<?xml version="1.0" encoding="utf-8"?> 
<daLaoEr> 
<version>2.8</version> 
<lastpublic>http://www.xxx/xxx.air</lastpublic> 
</daLaoEr>