Flash Builder 4.5，SecurityError：Error＃3207 for flickr api

Question

我构建了这个漂亮的小weather/clock app作为一种学习API的方式，并且包含了雅虎天气api和flickr api。现在它的功能正常，我决定通过Flash Builder 4.4 ActionScript Mobile项目将它移植到Playbook应用程序中。我能够将它安装在Playbook模拟器上，但是当它启动时它显示出一个空白阶段。经过几个小时的研究，我确定这是一个运行时错误。

经过几个小时的研究，我发现在向flickr api发出呼叫时出现安全错误。调试器报告以下错误：

SecurityError: Error #3207: Application-sandbox content cannot access this feature. at flash.system::Security$/allowDomain() at global$init()[C:\Users\poorpaddy\Adobe Flash Builder 4.5\Scripts\flickrGrabber.as:43] at Weather/addGrabberEvents()[C:\Users\poorpaddy\Adobe Flash Builder 4.5\Weather\src\Weather.as:36] at Weather()[C:\Users\poorpaddy\Adobe Flash Builder 4.5\Weather\src\Weather.as:22]

我已经试过的

Security.allowDomain(FLICKR_URL); 
Security.loadPolicyFile(CROSSDOMAIN_URL); 

几个例子没有任何的运气。这是我的flickrGrabber类。

package { 
    import flash.display.Bitmap; 
    import flash.events.ErrorEvent; 
    import flash.events.EventDispatcher; 
    import flash.display.Loader; 
    import flash.events.Event; 
    import flash.events.ErrorEvent; 
    import flash.events.IOErrorEvent; 
    import com.adobe.webapis.flickr.events.FlickrResultEvent; 
    import com.adobe.webapis.flickr.*; 
    import flash.net.URLRequest; 
    import flash.system.Security; 
    import flash.system.LoaderContext; 
    // 

    public class flickrGrabber extends EventDispatcher { 
     private const FLICKR_URL:String = "flickr.com"; 
     private const CROSSDOMAIN_URL:String = "http://api.flickr.com/crossdomain.xml"; 
     private var imageLoader:Loader 
     // 
     private var fs:FlickrService; 
     private var activeUser:User; 
     private var photoList:PagedPhotoList 
     private var constrainWidth:Number; 
     private var constainHeight:Number; 
     private var photoPosition:Number = 0; 
     private var flickrSource:String; 
     private var searchType:String; 
     private var doUserSearch:Boolean; 
     private var userData:User; 
     private var activePhoto:Photo; 
     private var otherDataRecieved:Boolean; 

     public function flickrGrabber(parentWidth:Number, parentHeight:Number, api:String, secret:String, flickrSearchTerm:String, searchByUser:Boolean = false) { 
      constrainWidth = parentWidth; 
      constainHeight = parentHeight; 
      flickrSource = flickrSearchTerm 
      doUserSearch = searchByUser; 
      // 
      imageLoader = new Loader(); 
      imageLoader.contentLoaderInfo.addEventListener(Event.COMPLETE, onImageReady); 
      imageLoader.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR, onImageError); 
      // 
      Security.allowDomain(FLICKR_URL); 
      Security.loadPolicyFile(CROSSDOMAIN_URL); 
      // 
      fs = new FlickrService(api); 
      // 
      fs.addEventListener(FlickrResultEvent.AUTH_GET_FROB, hGetFrob); 
      fs.addEventListener(FlickrResultEvent.PHOTOS_GET_SIZES, recievePhotoSize); 
      fs.addEventListener(FlickrResultEvent.PEOPLE_GET_INFO, recieveUserInfo); 
      fs.addEventListener(FlickrResultEvent.PEOPLE_FIND_BY_USERNAME, userSearchResults); 
      fs.addEventListener(FlickrResultEvent.PEOPLE_GET_PUBLIC_PHOTOS, recievePhotoList);   
      fs.addEventListener(FlickrResultEvent.PHOTOS_SEARCH , recievePhotoList); 
      // 
      fs.secret = secret; 
      // 
      fs.auth.getFrob(); 
     } 
     private function hGetFrob(evt:FlickrResultEvent):void { 
      if (evt.success) { 
       if (doUserSearch){ 
        fs.people.findByUsername(flickrSource); 
       }else { 
        fs.photos.search("", flickrSource, "any", "", null, null, null, null, -1, "", 100, 1, "interestingness-desc"); 
       } 
      } else { 
       reportError("Error obtaining Frob from flickr"); 
      } 
     } 
     private function userSearchResults(evt:FlickrResultEvent):void { 
      if (evt.success) { 
       activeUser = evt.data.user; 
       fs.people.getPublicPhotos(activeUser.nsid); 
      } else { 
       reportError("Count not find specified user name"); 
      } 
     }  
     private function recievePhotoList(evt:FlickrResultEvent):void { 
      photoList = evt.data.photos as PagedPhotoList; 
      if (photoList.total > 0){ 
       dispatchEvent(new Event("flickrConnectionReady", false)); 
      } else { 
       reportError("No results recieved for user/search"); 
      } 
     } 
     public function loadNextImage():void { 
      activePhoto = photoList.photos[photoPosition]; 
      otherDataRecieved = false; 
      fs.people.getInfo(activePhoto.ownerId); 
      fs.photos.getSizes(activePhoto.id); 
      // 
      if (photoPosition+1 > photoList.photos.length-1) { 
       photoPosition = 0; 
      } else { 
       photoPosition ++ 
      } 
     } 
     private function recieveUserInfo(evt:FlickrResultEvent):void { 
      userData = evt.data.user as User; 
      checkReadyStatus(); 
     } 
     private function recievePhotoSize(evt:FlickrResultEvent):void { 
      if (evt.success){ 
       var sizeArr:Array = evt.data.photoSizes; 
       var sizeObject:PhotoSize = sizeArr[i]; 
       //Pull the photo that is closest to the target size. 
       for (var i:int = 0; i < sizeArr.length; i++) { 
        sizeObject = sizeArr[i];  
        if (sizeObject.width > constrainWidth || sizeObject.height > constainHeight) { 
         break; 
        } 
       } 
       imageLoader.load(new URLRequest(sizeObject.source), new LoaderContext(true)); 
      } else { 
       reportError("Photo sizes were not recieved"); 
      } 
     } 
     private function checkReadyStatus():void { 
      if (otherDataRecieved) { 
       dispatchEvent(new Event("imageReady")); 
      } else { 
       otherDataRecieved = true; 
      } 
     } 
     // 
     private function onImageReady(evt:Event):void { 
      try { 
       var imageAlias:Bitmap = imageLoader.content as Bitmap; 
      } catch (e:Error) { 
       reportError("Returned image was not a proper bitmap: " + imageLoader.loaderInfo.url); 
      } 
      checkReadyStatus(); 
     } 
     private function onImageError(evt:IOErrorEvent):void { 
      reportError("Error loading image: " + imageLoader.loaderInfo.url); 
     } 
     public function get image():Bitmap { 
      return imageLoader.content as Bitmap; 
     } 
     public function get imageTitle():String { 
      return activePhoto.title; 
     } 
     public function get imageAuthor():String { 
      return userData.fullname; 
     } 
     private function reportError(errorString:String):void { 
      dispatchEvent(new ErrorEvent("flickrGrabberError", false, false, errorString)); 
     } 
    } 
} 

这里是我的DocumentClass/Weather.as引用flickerGRabber类。

package 
{ 
    import flash.display.MovieClip; 
    import flickrGrabber; 
    import flash.events.*; 

    public class Weather extends MovieClip 
    { 

     private var apiKey:String = "###removed for this posting###"; 
     private var apiSecret:String = "###removed for this posting###"; 
     public var flickrLocationName:String = "San Diego"; 
     private var grabber:flickrGrabber; 
     private var la:LoadAnimation = new LoadAnimation; 
     public var backgroundClip:MovieClip; 
     private var clock:ClockObject = new ClockObject; 
     public var foreCast:WeatherObject = new WeatherObject; 
     private var settingsPanel:KeyboardObject = new KeyboardObject; 

     public function Weather() 
     { 
      addGrabberEvents(); 
      clock.x = 492; 
      clock.y = 375; 
      addChild(clock); 
      foreCast.x = 27; 
      foreCast.y = 12; 
      addChild(foreCast); 
      settingsPanel.x = 38; 
      settingsPanel.y = 28; 
      addChild(settingsPanel); 
     } 

     public function addGrabberEvents():void 
     { 
      grabber = new flickrGrabber(1024,600,apiKey,apiSecret,flickrLocationName,false); 
      grabber.addEventListener("imageReady", onLoadedImage); 
      grabber.addEventListener("flickrGrabberError", onErrorImage); 
      grabber.addEventListener("flickrConnectionReady", onFlickrReady); 
     } 
     public function onFlickrReady(evt:Event):void 
     { 
      la.x = stage.stageWidth - (la.width + 20); 
      la.y = 20; 
      addChild(la); 
      grabber.loadNextImage(); 
     } 
     public function onLoadedImage(evt:Event):void 
     { 
      backgroundClip = new MovieClip(); 
      addChildAt(backgroundClip,0); 
      backgroundClip.addChild(grabber.image); 
      removeChild(la); 
     } 
     public function removeMe(e:MouseEvent):void 
     { 
      removeChild(backgroundClip); 
      addGrabberEvents(); 
      settingsPanel.closeKeyboard(null); 
      settingsPanel.keyBoardPanel.statusMessage.msg_txt.text = "" 
      settingsPanel.keyBoardPanel.zipCodeEntry.zipCodeTxt.text = "" 
     } 

     public function onErrorImage(evt:ErrorEvent):void 
     { 
      trace("Report error: " + evt.text); 
     } 

    } 
} 

您的协助将非常感激，我一直坚持了几天。

Answer 1

Argh。我花了很多时间试图重构代码或寻找我缺少的东西。事实证明，我所要做的就是删除两条线。

Security.allowDomain(FLICKR_URL); 
Security.loadPolicyFile(CROSSDOMAIN_URL);