Disable sound from NotificationChannel

Question

Today I started targeting API 26 which forced me to use Notification Channels.

My problem is that now on each new notification (including updates to it) an annoying

Answer 1

NotificationManager.IMPORTANCE_LOW

It produces no sound when notification is created as I need the same in my Music Application.

And yes if you have already created a notification channel then either you need to change the channel id or simply uninstall the previous application and install again.