private void updateSoundSystemUI() {
if (playbackInfo.getSong() != null) {
if (mCurrentSong == null || !playbackInfo.getSong().getUrl().equals(mCurrentSong.getUrl())) {
mCurrentSong = playbackInfo.getSong();
String artist =
mCurrentSong.getArtist().contains("unknown")
? "Unknown artist"
: mCurrentSong.getArtist();
String album =
mCurrentSong.getAlbum().contains("unknown") ? "Unknown album" : mCurrentSong.getAlbum();
mSongAuthor.setVisibility(View.VISIBLE);
mSongAlbum.setVisibility(View.VISIBLE);
mSongProgress.setVisibility(View.VISIBLE);
mSongProgressElapsed.setVisibility(View.VISIBLE);
mSongProgressLeft.setVisibility(View.VISIBLE);
mSongAuthor.setText(artist);
mSongName.setText(mCurrentSong.getTitle());
mSongAlbum.setText(album);
mSongProgress.setMax(mCurrentSong.getDuration());
}
mSongProgress.setProgress(playbackInfo.getTime());
} else {
mCurrentSong = null;
mSongAuthor.setVisibility(View.INVISIBLE);
mSongAlbum.setVisibility(View.INVISIBLE);
mSongProgress.setVisibility(View.INVISIBLE);
mSongProgressElapsed.setVisibility(View.INVISIBLE);
mSongProgressLeft.setVisibility(View.INVISIBLE);
mSongName.setText("No song selected");
}
mCurrentActionButton.setBackgroundResource(
playbackInfo.getStatus() == PlaybackStatus.PAUSED
? R.drawable.music_play
: R.drawable.music_pause);
}
private void playPrevious() {
int index = -1;
if (mCurrentSong != null) {
index = mSongUrls.indexOf(mCurrentSong.getUrl());
}
index--;
if (index <= -1) {
index = mSongUrls.size() - 1;
}
String url = mSongUrls.get(index);
playUrl(url);
}
private void playNext() {
int index = -1;
if (mCurrentSong != null) {
index = mSongUrls.indexOf(mCurrentSong.getUrl());
}
index++;
if (index >= mSongUrls.size()) {
index = 0;
}
String url = mSongUrls.get(index);
playUrl(url);
}
private void initPlayList() {
List<SongInfo> songs = new ArrayList<>();
mSongMap.clear();
mSongUrls.clear();
ContentResolver musicResolver = mActivity.getContentResolver();
Uri musicUri = android.provider.MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
Cursor musicCursor = musicResolver.query(musicUri, null, null, null, null);
if (musicCursor != null && musicCursor.moveToFirst()) {
int albumColumn = musicCursor.getColumnIndex(android.provider.MediaStore.Audio.Media.ALBUM);
int artistColumn = musicCursor.getColumnIndex(android.provider.MediaStore.Audio.Media.ARTIST);
int displayNameColumn =
musicCursor.getColumnIndex(android.provider.MediaStore.Audio.Media.DISPLAY_NAME);
int durationColumn =
musicCursor.getColumnIndex(android.provider.MediaStore.Audio.Media.DURATION);
int titleColumn = musicCursor.getColumnIndex(android.provider.MediaStore.Audio.Media.TITLE);
int idColumn = musicCursor.getColumnIndex(android.provider.MediaStore.Audio.Media._ID);
do {
String album = musicCursor.getString(albumColumn);
String artist = musicCursor.getString(artistColumn);
String displayName = musicCursor.getString(displayNameColumn);
long duration = musicCursor.getLong(durationColumn);
String title = musicCursor.getString(titleColumn);
long id = musicCursor.getLong(idColumn);
SongInfo songInfo = new SongInfo();
songInfo.setAlbum(album);
songInfo.setArtist(artist);
songInfo.setDisplayName(displayName);
songInfo.setDuration((int) duration);
songInfo.setTitle(title);
songInfo.setUrl(id + "");
songs.add(songInfo);
} while (musicCursor.moveToNext());
}
Collections.sort(songs, mSongComparator);
for (SongInfo song : songs) {
mSongMap.put(song.getUrl(), song);
mSongUrls.add(song.getUrl());
}
}
private void togglePlayback() {
if (playbackInfo.getStatus() == PlaybackStatus.PAUSED) {
String url = null;
if (mCurrentSong != null) {
url = mCurrentSong.getUrl();
} else {
url = mSongUrls.get(0);
}
playUrl(url);
} else {
pause();
}
}
