2016-02-26 118 views
2

我遇到了DownloadManager奇怪的问题,下载成功但文件没有存储。DownloadManager下载完成但文件没有存储

所以这是我的代码:

try { 
    DownloadManager manager = (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE); 
    DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url)); 
    request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI | DownloadManager.Request.NETWORK_MOBILE); 
    request.setAllowedOverRoaming(false); 
    request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_HIDDEN); 
    request.setDestinationInExternalFilesDir(context, /temp/, "test.mp4"); 
    final long downloadId = manager.enqueue(request); 
    boolean downloading = true; 
    while (downloading) { 
     DownloadManager.Query query = new DownloadManager.Query(); 
     query.setFilterById(downloadId); 
     Cursor cursor = manager.query(query); 
     cursor.moveToFirst(); 
     int status = cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_STATUS)); 
     int bytesDownloaded = cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_BYTES_DOWNLOADED_SO_FAR)); 
     int bytesTotal = cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_TOTAL_SIZE_BYTES)); 
     if(status==DownloadManager.STATUS_SUCCESSFUL){ 
      Log.i("Progress", "success"); 
      downloading = false; 
     } 
     final int progress = (int) ((bytesDownloaded * 100l)/bytesTotal); 
     cursor.close(); 
     subscriber.onNext(progress); 
    } 
    subscriber.onCompleted(); 
}catch (Exception e){ 
    subscriber.onError(e); 
} 

我已经包含在我的清单WRITE_EXTERNAL_STORAGE了。我尝试将目录更改为Environment.DIRECTORY_DOWNLOADS,但文件仍未存储到下载目录。我试图在/Android/data/<my package>/上找到它,下载的文件也不在那里。那么我的代码有什么问题?

附加: 在日志中显示我的下载已完成。

enter image description here

+0

你在外部存储器中给出文件夹路径'/ temp /'。你在那里检查? – Rohit5k2

+0

@ Rohit5k2我做了,不在那里... –

+0

看看http://www.gadgetsaint.com/android/download-manager/#.WSK0Yut96Hs – ASP

回答

0

我有这个问题太,但它解决了,当我改变

request.setDestinationInExternalFilesDir(context, Environment.DIRECTORY_DOWNLOADS, videoName+".mp4"); 

request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS.toString(), videoName+".mp4"); 

现在保存在 “下载” 文件夹中。