Android Create Playlist

Question

Anyone know how to add playlists to Android in code?

I kind of get that I have to insert it into the content resolver but do I have to just put the song id in or do

Answer 1

Use this the code itself is self explanatory. It will add song with given id = songID to playlist with name playlistName

If playlist already exist it will add to existing one or it will create new and then add song to it

 /**
     * This function add song with id songID to playlist playlistName
     * if playlist does exist it will add to exiixting one or it will create new
     *
     * @param playlistName
     * @param songID
     */
    private void addToPlaylist(String playlistName, int songID) {

        //Vibrate device
        Utils.vibrate(getApplicationContext());

        //get all playlists
        Cursor playListCursor = AppController.getGlobalContentResolvere().query(
                MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, new String[]{"*"}, null, null,
                null);

        long playlistId = 0;

        playListCursor.moveToFirst();

        do {

            //check if selected playlsit already exist
            if (playListCursor.getString(playListCursor
                    .getColumnIndex(MediaStore.Audio.Playlists.NAME)).
                    equalsIgnoreCase(playlistName)) {

                playlistId = playListCursor.getLong(playListCursor
                        .getColumnIndex(MediaStore.Audio.Playlists._ID));
                break;
            }
        } while (playListCursor.moveToNext());

        //Playlist  doesnt exist creating new with given name
        if (playlistId == 0) {

            Log.d(TAG, "CREATING PLAYLIST: " + playlistName);

            ContentValues playlisrContentValue = new ContentValues();

            //Add name
            playlisrContentValue.put(MediaStore.Audio.Playlists.NAME, playlistName);

            //update modified value
            playlisrContentValue.put(MediaStore.Audio.Playlists.DATE_MODIFIED,
                    System.currentTimeMillis());

            Uri playlistURl = AppController.getGlobalContentResolvere().insert(
                    MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, playlisrContentValue);

            Log.d(TAG, "Added PlayLIst: " + playlistURl);

        } else {

            //Playlist alreay exist add to playlist
            String[] cols = new String[]{
                    "count(*)"
            };

            Uri uri = MediaStore.Audio.Playlists.Members.getContentUri("external", playlistId);

            Cursor favListCursor = AppController.getGlobalContentResolvere().query(uri, cols, null, null, null);

            favListCursor.moveToFirst();

            final int base = favListCursor.getInt(0);

            //playlist updated delete older playlist art so that we can create new
            Toast.makeText(AudioPlayerActivity.this, "deleted old file" + new File(AppContants.PLAY_LIST_DIR + playlistId + ".png").delete(), Toast.LENGTH_SHORT).show();

            favListCursor.close();

            //add song to last
            ContentValues values = new ContentValues();

            values.put(MediaStore.Audio.Playlists.Members.PLAY_ORDER, base + songID);

            values.put(MediaStore.Audio.Playlists.Members.AUDIO_ID, songID);

            AppController.getGlobalContentResolvere().insert(uri, values);


            //Debug purpose
            Toast.makeText(AudioPlayerActivity.this, "Added to Favourite list " +
                            CenterRepository.getInstance().getAudioCollection().getSongAt(AppConfig.SONG_NUMBER).getTitle()
                    , Toast.LENGTH_SHORT).show();

        }
    }