AddPlaylistDialog.java 文件源码

@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {

    final List<Playlist> playlists = PlaylistLoader.getPlaylists(getActivity(), false);
    CharSequence[] chars = new CharSequence[playlists.size() + 1];
    chars[0] = "Create new playlist";

    for (int i = 0; i < playlists.size(); i++) {
        chars[i + 1] = playlists.get(i).name;
    }
    return new MaterialDialog.Builder(getActivity()).title("Add to playlist").items(chars).itemsCallback(new MaterialDialog.ListCallback() {
        @Override
        public void onSelection(MaterialDialog dialog, View itemView, int which, CharSequence text) {
            long[] songs = getArguments().getLongArray("songs");
            if (which == 0) {
                CreatePlaylistDialog.newInstance(songs).show(getActivity().getSupportFragmentManager(), "CREATE_PLAYLIST");
                return;
            }

            MusicPlayer.addToPlaylist(getActivity(), songs, playlists.get(which - 1).id);
            dialog.dismiss();

        }
    }).build();
}