public boolean sameMainMetaData(Track t) {
if (t == null) return false;
return (compare(t.getTitle(), mTitle)
&& compare(t.getAlbumTitle(), mAlbumTitle)
&& compare(t.getArtistName(), mArtistName));
}
public ConcreteTrack(Track t) {
mId = t.getId();
mPlayUrl = t.getPlayUrl(null, 0);
mTitle = t.getTitle();
mArtistId = t.getArtistId();
mArtistName = t.getArtistName();
mAlbumId = t.getAlbumId();
mAlbumTitle = t.getAlbumTitle();
}