files =  21;// мое количество sprite sheets

        filesArray = new Array();

        for (var i:int = 0; i < files; i++) 

        {

                filesArray.push(i+ 1+ '.png');

                filesArray.push(i+ 1+ '.xml');

        }

        nextDownload();

 

private function nextDownload():void

{

        if (count < filesArray.length){

                downloadFile("http://mysite.com/assets/symbols/" + appScaleFactor + 'x/' + filesArray[count], "assets/symbols/" + filesArray[count]);

        } else {

                trace('finished');

        }

}

 

private function downloadFile(url:String, fileName:String):void {

                stream = new URLStream();

                _fileName = fileName;

                var request:URLRequest = new URLRequest(url);

                stream.addEventListener(flash.events.Event.COMPLETE, completeHandler);

                stream.addEventListener(HTTPStatusEvent.HTTP_STATUS, httpStatusHandler);

                stream.addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler);

                stream.addEventListener(ProgressEvent.PROGRESS, progressHandler);

                stream.addEventListener(SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler);

                try {

                        stream.load(request);

                } catch (error:Error) {

                        trace("Unable to load requested URL.");

                }

}

 

private function completeHandler(event:flash.events.Event):void {

                var fileData:ByteArray = new ByteArray();

                stream.readBytes(fileData,0,stream.bytesAvailable);

                stream.removeEventListener(flash.events.Event.COMPLETE, completeHandler);

                stream.removeEventListener(HTTPStatusEvent.HTTP_STATUS, httpStatusHandler);

                stream.removeEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler);

                stream.removeEventListener(ProgressEvent.PROGRESS, progressHandler);

                stream.removeEventListener(SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler);

 

                stream =null;

 

                var newFile:File = File.applicationStorageDirectory.resolvePath(_fileName);

                var fs:FileStream = new FileStream();

                fs.openAsync(newFile, FileMode.WRITE); 

                fs.writeBytes(fileData,0,fileData.length);

                fs.close(); 

                fs = null;

                count++;

                nextDownload();

}        

 

private function progressHandler(event:ProgressEvent):void {

                trace("progressHandler: " + event);

}

 

private function securityErrorHandler(event:SecurityErrorEvent):void {

                trace("securityErrorHandler: " + event);

}

 

private function httpStatusHandler(event:HTTPStatusEvent):void {

                trace("httpStatusHandler: " + event);

}

 

private function ioErrorHandler(event:IOErrorEvent):void {

                trace("ioErrorHandler: " + event);

}