Adds NotificationCenter observer for changes in "now playing" item, so changing tracks in Apple Music updates the PineTime interface. Also added handling for "224" code sent by InfiniTime music app on open to update the interface with relevant data the second the app is opened on the watch.

Author: xan-m

InfiniLink/Music/MusicController.swift

@@ -36,6 +36,7 @@ class MusicController {
 	init() {
 		musicPlayer.beginGeneratingPlaybackNotifications()
 		NotificationCenter.default.addObserver(self, selector: #selector(self.onNotificationReceipt(_:)), name: .MPMusicPlayerControllerPlaybackStateDidChange, object: nil)
+		NotificationCenter.default.addObserver(self, selector: #selector(self.onNotificationReceipt(_:)), name: .MPMusicPlayerControllerNowPlayingItemDidChange, object: nil)
 	}
 
 	@objc func onNotificationReceipt(_ notification: Notification) {
@@ -69,6 +70,8 @@ class MusicController {
             if volume + (1 / volumeSlots) > 1.0 {MPVolumeView.setVolume(1.0)} else {MPVolumeView.setVolume(volume + (1 / volumeSlots))}
         case 6:
             if volume - (1 / volumeSlots) < 0.0 {MPVolumeView.setVolume(0.0)} else {MPVolumeView.setVolume(volume - (1 / volumeSlots))}
+		case 224:
+			updateMusicInformation(songInfo: getCurrentSongInfo())
 		default:
 			break
 		}