Android14対応
(フォアグラウンドサービスタイプは必須)

    …
    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_LOCATION" />
    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
    …
    <service android:name=".TodoService"
        android:foregroundServiceType="location"/>
    …

public class TodoService extends Service
        implements FusedLocationManager.OnLocationResultListener {
    private static final String     TAG = TodoService.class.getSimpleName();
    private static final int        REQUEST_CODE = 2023;
    private ExoPlayer               exoPlayer;
    private NotificationManager     notificationManager;
    private MediaSession            mediaSession;
    private androidx.media3.session.MediaStyleNotificationHelper.MediaStyle
                                    mediaStyle;
    private PendingIntent           pendingIntentList;
    …
    @Override
    public void onCreate() {
        super.onCreate();
        context = getApplicationContext();
        …
        exoPlayer = new ExoPlayer.Builder(context)
                .setHandleAudioBecomingNoisy(true)
                .build();
        …
        mediaSession = new MediaSession.Builder(context, exoPlayer).build();
        …
    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        …
        // mediaStyle
        mediaStyle = new MediaStyleNotificationHelper.MediaStyle(mediaSession);
        mediaStyle.setShowActionsInCompactView(0,1,2);
        // PendingIntentList
        pendingIntentList = PendingIntent.getActivity(context, REQUEST_CODE, intent, PendingIntent.FLAG_IMMUTABLE);
        // Notification
        notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
        NotificationChannel channel = new NotificationChannel(TAG, TAG, NotificationManager.IMPORTANCE_DEFAULT);
        channel.setDescription("Silent Notification");
        channel.setSound(null, null);
        channel.enableLights(false);
        channel.setLightColor(R.color.blue);
        channel.enableVibration(false);
        if (notificationManager != null) {
            notificationManager.createNotificationChannel(channel);
            Notification notification;
            if (intent.getIntExtra("MUSIC", 0) > 0)
                notification = new NotificationCompat.Builder(context, TAG)
                        .setContentTitle(context.getString(R.string.app_name))
                        .setContentText(TAG)
                        .setContentIntent(pendingIntentList)
                        .setWhen(System.currentTimeMillis())
                        .setSmallIcon(R.drawable.ic_timer)
                        .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.drawable.logo))
                        .setStyle(mediaStyle)
                        .addAction(new NotificationCompat.Action(R.drawable.ic_round_rwd, RWD, CustomMediaButtonReceiver.buildMediaButtonPendingIntent(context, PlaybackStateCompat.ACTION_SKIP_TO_PREVIOUS)))
                        .addAction(pause ? new NotificationCompat.Action(R.drawable.ic_round_play, PLAY, CustomMediaButtonReceiver.buildMediaButtonPendingIntent(context, PlaybackStateCompat.ACTION_PLAY)) :
                                new NotificationCompat.Action(R.drawable.ic_round_pause, PAUSE, CustomMediaButtonReceiver.buildMediaButtonPendingIntent(context, PlaybackStateCompat.ACTION_PAUSE)))
                        .addAction(new NotificationCompat.Action(R.drawable.ic_round_fwd, FWD, CustomMediaButtonReceiver.buildMediaButtonPendingIntent(context, PlaybackStateCompat.ACTION_SKIP_TO_NEXT)))
                        .build();
             else
                notification = new NotificationCompat.Builder(context, TAG)
                        .setContentTitle(context.getString(R.string.app_name))
                        .setContentText(TAG)
                        .setContentIntent(pendingIntentList)
                        .setWhen(System.currentTimeMillis())
                        .setSmallIcon(R.drawable.ic_timer)
                        .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.drawable.logo))
                        .setStyle(new androidx.media.app.NotificationCompat.MediaStyle())
                        .build();
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
                startForeground(ID, notification, FOREGROUND_SERVICE_TYPE_LOCATION);
            } else {
                startForeground(ID, notification);
            }
        }
        …