The downloaded file with DownloadManager returns File.length() zero

Asked Sep 28 '17 at 08:45

Active Sep 28 '17 at 09:36

Viewed 87 times

I'm downloading an mp3 with DownloadManager and when the download is finished, on BroadcastReceiver I try to play it with MediaPlayer.

Why does File.length() for downloaded file return zero ? That prevents me from playing MP3 immediately after the download. After a few seconds the File.length() returns true as value and I can play the MP3!!

DownloadManager.Request request = new DownloadManager.Request(Uri.parse(fileURL));
request.setDestinationUri(Uri.fromFile(myExternalFile));
did = downloadManager.enqueue(request);

All permissions and other codes are correct, I am just not able to play mp3 immediately after the download.

edited Sep 28 '17 at 09:36

asked Sep 28 '17 at 08:45

hossein

when do you start playing your `MediaPlayer`? after what event? – pskink Sep 28 '17 at 08:47
@pskink when DownloadManager sends ACTION_DOWNLOAD_COMPLETE on BroadcastReceiver – hossein Sep 28 '17 at 08:56
ok and what does `DownloadManager#query` shows in this `BroadcastReceiver#onReceive` ? – pskink Sep 28 '17 at 08:58
@pskink The downloded file status is DownloadManager.STATUS_SUCCESSFUL and after a few seconds i can play it! – hossein Sep 28 '17 at 09:09

The downloaded file with DownloadManager returns File.length() zero

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