Firebase Notifications wasabeef shibuya.apk #8 at Google Japan

About me Daichi Furiya wasabeef @wasabeef_jp CyberAgent, Inc.

Firebase

Firebase https://firebase.google.com/

Analytics

Crash Reporting

Notifications

Firebase Notifications

Why?

Create Android app

Create Android app

Create Android app

Dependencies dependencies { // ... compile 'com.google.firebase:firebase-messaging:9.0.2' }

FirebaseMessagingService public class MyMessagingService extends FirebaseMessagingService { @Override public void onMessageReceived(RemoteMessage msg) { sendNotification(msg.getNotification().getBody()); } private void sendNotification(String body) { // NotificationManager#notify } }

FirebaseInstancedIdService public class MyIdService extends FirebaseInstanceIdService { @Override public void onTokenRefresh() { sendRegistrationToServer(refreshedToken); } private void sendRegistrationToServer(String token) { // send to your server } }

Topic findViewById(R.id.button).setOnClickListener(v -> { FirebaseMessaging.getInstance() .subscribeToTopic("mytopic"); // FirebaseMessaging.getInstance() .unsubscribeFromTopic("mytopic"); });

Compose message

Status

Conclusion

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