Set Up - shaikhalvee/FCM GitHub Wiki
compile 'com.google.firebase:firebase-messaging:10.2.4'buildscript {
...
dependencies {
...
classpath 'com.google.gms:google-services:3.0.0'<application
...>
...
<service
android:name=".MessagingService">
<intent-filter>
<action android:name="com.google.firebase.MESSAGING_EVENT"/>
</intent-filter>
</service>
<service
android:name=".InstanceIDService">
<intent-filter>
<action android:name="com.google.firebase.INSTANCE_ID_EVENT"/>
</intent-filter>
</service>
<meta-data
android:name="com.google.firebase.messaging.default_notification_icon"
android:resource="@drawable/ic_directions_bike_white_24dp"/>
<meta-data
android:name="com.google.firebase.messaging.default_notification_color"
android:resource="@color/colorAccent"/>
...
</application>where MessagingService
public class MessagingService extends FirebaseMessagingService {
@Override
public void onMessageReceived(RemoteMessage message) {
super.onMessageReceived(message);
...
}
...and
import android.util.Log;
import com.google.firebase.iid.FirebaseInstanceId;
import com.google.firebase.iid.FirebaseInstanceIdService;
public class InstanceIDService extends FirebaseInstanceIdService {
@Override
public void onTokenRefresh() {
super.onTokenRefresh();
String refreshedToken = FirebaseInstanceId.getInstance().getToken();
// for example, refreshedToken = "fImrBgFR9vM:APA91...Vj0E"
sendRegistrationToServer(refreshedToken);
}
private void sendRegistrationToServer(String token) {
// TODO: Implement this method to send token to your app server.
}
}The onTokenRefreshcallback fires whenever a new token is generated.
- The app deletes Instance ID
- The app is restored on a new device
- The user uninstalls/reinstall the app
- The user clears app data.
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
...
// If a notification message is tapped, any data accompanying the notification
// message is available in the intent extras.
// If you want a different intent fired, set the "click_action"
// field of the notification message to the desired intent.
if (getIntent().getExtras() != null) {
for (String key : getIntent().getExtras().keySet()) {
Object value = getIntent().getExtras().get(key);
Log.d(TAG, "Key: " + key + " Value: " + value);
}
}
}