Xamarin Android: Receiving Firebase Notification Token

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Xamarin Android: Receiving Firebase Notification Token



I can receive refresh token from onRefreshToken when the application first installed. When I recompiled and run the application without removing the application (eg. Update), the application no longer receives the notification from Azure Notification Hub. I suspected the token was changed but onRefreshToken was not called.


if (FirebaseApp.GetInstance(FirebaseApp.DefaultAppName) == null)

FirebaseOptions options = new FirebaseOptions.Builder()
.SetApplicationId(GetString(Resource.String.fcmAppId))
.SetApiKey(GetString(Resource.String.fcmApiKey))
.SetGcmSenderId(GetString(Resource.String.fcmGCMSenderId))
.Build();

FirebaseApp.InitializeApp(Android.App.Application.Context, options);



[Service]
[IntentFilter(new "com.google.firebase.INSTANCE_ID_EVENT" )]
public class MyFirebaseInstanceIdService : FirebaseInstanceIdService
{
const string TAG = "MyFirebaseInstanceIdService";

public override void OnTokenRefresh()

var refreshedToken = FirebaseInstanceId.Instance.Token;
Settings.NotificationToken = refreshedToken;
Settings.HasInstalledWithNH = false;
Android.Util.Log.Debug(TAG, "Refreshed token: " + refreshedToken);
SendRegistrationToServer(refreshedToken);




1 Answer
1



I need to call FirebaseInstanceId.Instance and delete the token so the app can receive a new one.






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