FirebaseMessagingService

A base class (com.google.firebase.messaging.FirebaseMessagingService) for receiving messages from Firebase Cloud Messaging (FCM).

All methods called on a FirebaseMessagingService are executed in a background thread, and can run when the app is backgrounded or otherwise not open.

See FirebaseMessagingService

Manifest

To start receiving messages, include in your AndroidManifest.xml:

<service
    android:name="com.me.myapp.FirebaseMessagingService"
    android:exported="false">
    <intent-filter>
        <action android:name="com.google.firebase.MESSAGING_EVENT" />
    </intent-filter>
</service>

Direct boot

To support Direct boot mode, also include

<service
    ...
    android:directBootAware="true"> 👈
    <intent-filter>
        ...
    </intent-filter>
</service>

See receiving FCM messages in Direct boot