How do I test FCM push notifications in Firebase?

Send a test notification message

Notifications composer

Sending a test Android push notification Click on Settings and open Mobile Apps. Click on the Android App and make sure the Firebase API key has been configured. Click on Test Push and enter the device token for your test device. Add a test payload and send the test.

To do it in a simple way, you can use a Service, in this Service you can set a Listener on a ref in your firebase DB when the event is triggered you can create a notify and show it to the user. There certainly is. Just have your Android app write the notification request into the database .