Android O reporting notification not posted to channel - but it is

Question

Couple Android O notification questions:

1) I have created a Notification Channel (see below), am calling the builder with .setChannelId() (passing in the name of th

Answer 1

I had the same problem, and resolved it by using the constructor

new Notification.Builder(Context context, String channelId), instead of the one which is deprecated onAPI levels >=26 (Android O) : new NotificationCompat.Builder(Context context)

The following code won't work if your notificationBuilder is built using the deprecated constructor :

if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
notificationBuilder.setChannelId(NOTIFICATION_CHANNEL);}