/Java/Bad notification for startForeground: java.lang.RuntimeException: invalid channel for service notification: Notification

Bad notification for startForeground: java.lang.RuntimeException: invalid channel for service notification: Notification

@Override
public void onCreate(){
    super.onCreate();
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
        startMyOwnForeground();
    else
        startForeground(1, new Notification());
}

private void startMyOwnForeground(){
    String NOTIFICATION_CHANNEL_ID = "com.example.simpleapp";
    String channelName = "My Background Service";
    NotificationChannel chan = new NotificationChannel(NOTIFICATION_CHANNEL_ID, channelName, NotificationManager.IMPORTANCE_NONE);
    chan.setLightColor(Color.BLUE);
    chan.setLockscreenVisibility(Notification.VISIBILITY_PRIVATE);
    NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
    assert manager != null;
    manager.createNotificationChannel(chan);

    NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this, NOTIFICATION_CHANNEL_ID);
    Notification notification = notificationBuilder.setOngoing(true)
            .setSmallIcon(R.drawable.icon_1)
            .setContentTitle("App is running in background")
            .setPriority(NotificationManager.IMPORTANCE_MIN)
            .setCategory(Notification.CATEGORY_SERVICE)
            .build();
    startForeground(2, notification);
}

Similar codes

9 votes95 views4 answers
How to iterate over a string in java
Java
0 vote91 views2 answers
Android transparent status bar
Java
0 vote96 views1 answer
Teimpo en segundos java
Java
3 votes95 views1 answer
Max long
Java
0 vote98 views1 answer
Modulo restriction with negative numbers Java
Java
0 vote100 views1 answer
Javax dependency android
Java
2 votes105 views1 answer
Bukkit scoreboard
Java
12 votes109 views5 answers
Java arraylist to array
Java
0 vote110 views1 answer
Docer file spring boot
Java
0 vote116 views1 answer
How to feel that an icon is pressed in android
Java