如何从谷歌播放音乐中获取当前正在播放的歌曲中的歌曲 ID、专辑 ID 和艺术家 ID

Question

我正在开发我的应用程序，我想在其中获取在任何媒体应用程序上播放的歌曲的详细信息。 我没有获取当前正在播放歌曲详细信息（如歌曲 ID、艺术家 ID、专辑 ID）的 Google Play 音乐应用的数据。

我试过下面的代码：

IntentFilter intentFilter=new IntentFilter();

        intentFilter.addAction("com.android.music.metachanged");
        intentFilter.addAction("com.android.music.playstatechanged");
        intentFilter.addAction("com.android.music.playbackcomplete");
        intentFilter.addAction("com.android.music.queuechanged");
        intentFilter.addAction("com.samsung.sec.android.MusicPlayer.metachanged");
        intentFilter.addAction("com.spotify.music.playbackstatechanged");
        intentFilter.addAction("com.spotify.music.metadatachanged");
        intentFilter.addAction("com.apple.android.music.metachanged");
        intentFilter.addAction("com.apple.android.music.playstatechanged");
        intentFilter.addAction("com.rdio.android.metachanged");
        intentFilter.addAction("com.rdio.android.playstatechanged");

        //register the intentfilters into the reciever
        registerReceiver(mReceiver,intentFilter);

这是我的接收器：

    BroadcastReceiver mReceiver=new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, final Intent intent) {
            String action = intent.getAction();
            //Bundle bundle=intent.getExtras();

            String cmd = intent.getStringExtra("command");
            Log.v("tag ", action + " / " + cmd);

            //not getting the song id in the google play music and album_id and artist id in both
            final String song_id=String.valueOf(intent.getLongExtra("id", 0));
            final String album_id= String.valueOf(intent.getLongExtra("album_id",0));
            final String artist_id= String.valueOf(intent.getLongExtra(MediaStore.Audio.Artists._ID,0));
            final String title=intent.getStringExtra("track");
            final String playlist_id= String.valueOf(intent.getLongExtra(MediaStore.Audio.Playlists._ID,0));
            final String playlist_name=intent.getStringExtra(MediaStore.Audio.Playlists.NAME);
            final String artist=intent.getStringExtra(MediaStore.Audio.AudioColumns.ARTIST);
            final String album=intent.getStringExtra(MediaStore.Audio.AudioColumns.ALBUM);
        }
    };

在默认播放器中获取歌曲详细信息，而不是在 google play 音乐中。

Answer 1

由于其他答案只是有点正确，但并不完全正确，以下是该问题的实际答案：PlayMusic 有自己的内容提供商，您可以查询。

这是一个工作示例（trackId 是来自意图的额外 SongId）：

private void loadPlayMusicSongDetails(Context context, String trackId){
    String artistName = null;
    String albumName = null;
    String trackName = null;
    long year = 0;

    String[] proj = { MediaStore.Audio.AudioColumns.TITLE,
            MediaStore.Audio.AudioColumns.ARTIST,
            MediaStore.Audio.AudioColumns.ALBUM,
            MediaStore.Audio.AudioColumns.YEAR,
            MediaStore.Audio.AudioColumns.ALBUM_ID,
            PLAY_MUSIC_COLUMN_ARTWORK_LOCATION,
            //"artworkUrl",
            //"VThumbnailUrl",
            MediaStore.Audio.AudioColumns._ID };

    Uri gMusicUri = Uri.parse("content://com.google.android.music.MusicContent/audio");

    try {
        Uri uri = ContentUris.withAppendedId(gMusicUri, Long.parseLong(trackId));
        Cursor cursor = context.getContentResolver().query(uri,
                proj, null, null, null);

        if(cursor.moveToFirst()){
            int titleColumn = cursor.getColumnIndex(MediaStore.Audio.AudioColumns.TITLE);
            int artistColumn = cursor.getColumnIndex(MediaStore.Audio.AudioColumns.ARTIST);
            int albumColumn = cursor.getColumnIndex(MediaStore.Audio.AudioColumns.ALBUM);
            int yearColumn = cursor.getColumnIndex(MediaStore.Audio.AudioColumns.YEAR);
            int albumArtColumn = cursor.getColumnIndex(PLAY_MUSIC_COLUMN_ARTWORK_LOCATION);

            trackName = cursor.getString(titleColumn);
            artistName = cursor.getString(artistColumn);
            albumName = cursor.getString(albumColumn);
            year = cursor.getLong(yearColumn);
            String albumArtLocation = cursor.getString(albumArtColumn);

            if(albumArtLocation != null && albumArtLocation.length() > 0){
                if(albumArtLocation.startsWith("mediastore:")){
                    long albumId = Long.parseLong(albumArtLocation.substring(albumArtLocation.indexOf(":")+1));
                    Uri sArtworkUri = Uri.parse("content://media/external/audio/albumart");
                    setAlbumArtUri(ContentUris.withAppendedId(sArtworkUri, albumId));
                }
                else {
                    //TODO: perform http calls if you wanna query for online images
                }
            }
        }

Answer 2

要获取歌曲 ID、艺术家 ID 和专辑 ID，您应该使用此方法。从中你可以得到它。

       ContentResolver contentResolver = getActivity().getContentResolver();

        Uri uri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
        String selection = MediaStore.Audio.Media.IS_MUSIC + "!= 0";
        String sortOrder = MediaStore.Audio.Media.TITLE + " ASC";
        Cursor cursor = contentResolver.query(uri, null, selection, null, sortOrder);

        if (cursor != null && cursor.getCount() > 0) {
            audioList = new ArrayList<>();
            while (cursor.moveToNext()) {
                String data  = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.DATA));
                String title = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.TITLE));
                String album = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.ALBUM));
                String artist = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.ARTIST));
                String album_id = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.ALBUM_ID));
                Long albumid = Long.parseLong(album_id);
                Uri sArtworkUri = Uri.parse("content://media/external/audio/albumart");
                Uri finaluri = ContentUris.withAppendedId(sArtworkUri, albumid);
                String path = FileUtils.getPath(getContext(), finaluri);
                //Bitmap artwork = BitmapFactory.decodeStream(in);

                // Save to audioList
                audioList.add(new Audio(data, title, album, artist,path));
            }
        }
        cursor.close();

Answer 3

之前看过一篇博客，给大家想想，没试过，不过感觉应该可以实现。

1.播放下一首音乐时，播放应用程序，播放中包含下一首歌曲的信息；

2.例如：Android系统的音乐播放器会发送“com.android.music.metachanged”广播；

3.registerReceiver

IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction("com.android.music.metachanged");
registerReceiver(Your Receiver, intentFilter);

4.意图分析，可以从意图中得到这些信息

intent.getStringExtra("album");
intent.getStringExtra("artist");
intent.getStringExtra("track");
intent.getStringExtra("notify_artistname");
intent.getStringExtra("notify_audioname");

5.我不知道Google Play Music是否会发送广播，我也不确定Google Play Music的IntentFilter。

6.祝你成功！

Answer 4

您需要阅读 Id3Tag 以获取此信息，这里是 MediaMetadataRetriever 的一些文档。您可以在 Android 中使用它来处理 Id3Tag。

使用示例：

MediaMetadataRetriever mmr = new MediaMetadataRetriever();
mmr.setDataSource(filePath);
String albumName = mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ALBUM);