从Parse Server（Android）播放视频

Question

我有一个应用程序可以将.s4格式的短10s视频上传到Parse Server。视频正在保存为文件对象。

我想在Android VideoView中播放该视频，我设置了视频视图，并希望setVideoURI指向保存在Parse Server视频类中的视频。视频播放器加载但视频从不播放。这就是我的样子 -

ParseQuery<ParseObject> query = new ParseQuery<ParseObject>("Videos"); //"Videos" is the class

    query.whereEqualTo("username", activeUserName); //active user has video in Parse
    query.orderByDescending("createdAt");

    query.findInBackground(new FindCallback<ParseObject>() {
        @Override
        public void done(List<ParseObject> objects, ParseException e) {
            if (e == null) {

                if (objects.size() > 0) {

                    for (ParseObject object : objects) {

                        final ParseFile file = (ParseFile) object.get("VideoName"); //"VideoName" is where the mp4 file is stored

                        file.getDataInBackground(new GetDataCallback() {
                            @Override
                            public void done(byte[] data, ParseException e) {

                                if (e == null && data != null) {

                                    VideoView videoView = (VideoView)findViewById(R.id.videoView);
                                    //This may be wrong
                                    videoView.setVideoURI(Uri.parse("VideoName"));

                                    MediaController mediaController = new MediaController(VideoFeedActivity.this);

                                    mediaController.setAnchorView(videoView);

                                    videoView.setMediaController(mediaController);

                                    videoView.start();