mediaSessionCompat.setMetadata(new MediaMetadataCompat.Builder()
.putString(MediaMetadataCompat.METADATA_KEY_ALBUM, trackDataNowPlaying.JukeBoxCategoryName)
.putString(MediaMetadataCompat.METADATA_KEY_TITLE, trackDataNowPlaying.TrackName)
.putLong(MediaMetadataCompat.METADATA_KEY_DURATION, Math.round(trackDataNowPlaying.Length))
.putBitmap(MediaMetadataCompat.METADATA_KEY_ART, resource)
.build());
Putting bitmap on MediaSessionCompat not showing ART WORK in lockscreen. Above code used when on track changed.