public void update(TrackDatabase trackDatabase) {
Track[] tracks = trackDatabase.getTracks();
for (int i = 0; i < tracks.length; i++) {
Track track = getTrack(tracks[i]);
if (track != null) {
remove(track);
add(tracks[i]);
}
}
}
public void add(TrackDatabase trackDatabase) {
Track[] tracks = trackDatabase.getTracks();
for (int i = 0; i < tracks.length; i++) add(tracks[i]);
}