如何从云存储服务中播放流媒体音乐文件？

Question

public class MusicPlayerFragment extends Fragment {
            private MusicPlayer musicPlayer;
            boolean isPlaying;

            @Override
            public View onCreateView(LayoutInflater inflater, ViewGroup container,
                                     Bundle savedInstanceState) {
                // Inflate the layout for this fragment
                View layout = inflater.inflate(R.layout.fragment_music_player, container, false);

                final ImageButton buttonPlayPause = layout.findViewById(R.id.button_play_pause);
                buttonPlayPause.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        if (!isPlaying) {
                            musicPlayer.play();
                            buttonPlayPause.setImageResource(R.drawable.baseline_pause_24);
                            isPlaying = true;
                        }
                        else {
                            musicPlayer.pause();
                            buttonPlayPause.setImageResource(R.drawable.baseline_play_arrow_24);
                            isPlaying = false;
                        }
                    }
                });
                return layout;
            }
            @Override
            public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            musicPlayer = new MusicPlayer();
            musicPlayer.loadMedia("http://ssaurel.com/tmp/mymusic.mp3"); //work on physical device
         //musicPlayer.loadMedia("https://drive.google.com/file/d/1Tj0a5f4dUMNnlPILr3vZzpPOwHKsP3Va/view?usp=sharing"); //doesn't work at all
            }
}

public class MusicPlayer{
    private MediaPlayer mediaPlayer;

    public void loadMedia(String url) {
        if (mediaPlayer == null) {
            mediaPlayer = new MediaPlayer();
            mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
            mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
                @Override
                public void onPrepared(MediaPlayer mp) {
                    mp.start();
                }
            });
            try {
                mediaPlayer.setDataSource(url);
                mediaPlayer.prepareAsync();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    public void play() {
        if (mediaPlayer != null && !mediaPlayer.isPlaying()) {
            mediaPlayer.start();
        }
    }

    public void pause() {
        if (mediaPlayer != null && mediaPlayer.isPlaying()) {
            mediaPlayer.pause();
        }
    }

    public void reset() {
        if (mediaPlayer != null) {
            mediaPlayer.reset();
        }
    }

    public void release() {
        if (mediaPlayer != null) {
            mediaPlayer.release();
        }
    }
}

null

Answer 1

你的问题本身就隐藏着答案。当你将直接下载链接传递到音乐时，它就起作用了，这意味着，你需要使用能够直接下载文件的东西。

当你给出Google Drive链接时，你不会给出文件的完整地址，而是在告诉你手动下载文件的页面上。

您应该使用FirebaseStorage这样的东西来存储歌曲，这样您就可以获得这些歌曲的直接下载链接。