Play sound via system player

LiveApple/Info.plist

@@ -2,12 +2,12 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>NSAppleMusicUsageDescription</key>
+	<string>bad apple</string>
 	<key>BGTaskSchedulerPermittedIdentifiers</key>
 	<array>
 		<string>task</string>
 	</array>
-	<key>CFBundleDocumentTypes</key>
-	<array/>
 	<key>NSSupportsLiveActivities</key>
 	<true/>
 	<key>UIBackgroundModes</key>

LiveApple/PlayerController.swift

@@ -63,6 +63,18 @@ class PlayerController: ObservableObject {
         // using the AVPlayer gives you sound
 //        self.player.play()
         
+        // play song via system music player so it keeps playing in the background and sessionkitd things we're not playing media
+        let player = MPMusicPlayerController.systemMusicPlayer
+        let query = MPMediaQuery.songs()
+        query.addFilterPredicate(MPMediaPropertyPredicate(value: "badapple", forProperty: MPMediaItemPropertyTitle))
+        player.setQueue(with: query)
+        do {
+            try await player.prepareToPlay()
+            player.play()
+        } catch {
+            // if the song doesn't exist, ignore it
+        }
+        
         // doing it manually lets you update while in the background
         let start = Date()
         timer = .scheduledTimer(withTimeInterval: 1/30, repeats: true, block: { [unowned self] _ in