How to force refresh an FCM token in Flutter using firebase_messaging package

Question

Using firebase_messaging: ^13.0.2 I'm unsure how to force a refresh of the FCM token... without logging the user out. I noticed it refreshes when signing out + back in.

According to google docs there are only 3 ways to refresh the token:

The app is restored on a new device
The user uninstalls/reinstall the app
The user clears app data.

https://firebase.google.com/docs/cloud-messaging/manage-tokens

What I run on startup as a listener:

FirebaseMessaging firebaseMessaging = FirebaseMessaging.instance;
tokenStream = firebaseMessaging.onTokenRefresh.listen((event) {
    if (currentUser != null) {
      print('token $event');
      currentUser!.fcmToken = event;
      FireStoreUtils.updateCurrentUserfcmToken(currentUser!);
    }
  });

How to force a refresh of this token? This does not work and produces the same token value as before the delete was run...

  FirebaseMessaging.instance.deleteToken().then((value) =>
              FirebaseMessaging.instance.getToken().then((value) {
                currentUser!.fcmToken = value;
                FireStoreUtils.updateCurrentUserfcmToken(currentUser!);
              }));

If you're wondering why I want to refresh, see my other post here: IOS notifications stop working until FCM token refresh

Keval · Answer 1 · 2022-10-17T06:38:14.793

3

Did you try by deleting token using this method?

FirebaseMessaging.instance.deleteToken()

if this is not helping you can try delete token first and request new token then you will received new event for new token in onTokenRefresh

FirebaseMessaging.instance.deleteToken().then((value) => FirebaseMessaging.instance.getToken());

This will sure generate new token I tested.

edited Oct 17 '22 at 06:38

answered Oct 13 '22 at 05:31

Keval

56
2

As it’s currently written, your answer is unclear. Please [edit] to add additional details that will help others understand how this addresses the question asked. You can find more information on how to write good answers [in the help center](/help/how-to-answer). – Community Oct 13 '22 at 17:26
This did not refresh the token – Petro Oct 15 '22 at 04:54
See my latest edit. That does not work – Petro Oct 19 '22 at 18:02
The token is the same value as before the delete was run... – Petro Oct 19 '22 at 18:09
Are you testing on iPhone or Android? Because I just tested on android. – Keval Oct 20 '22 at 07:17
Testing on Android – Petro Oct 23 '22 at 05:54

score 0 · Answer 2 · answered Oct 16 '22 at 16:18

According to Ready Android,To get a new refreshed FCM token (forcefully).

Blockquote To get a new refreshed FCM token (forcefully), first you have to delete it and then request for FCM token again. It will always provide a new token after once deletion.

in this link : How to refresh FCM Token on user Logout?

How to force refresh an FCM token in Flutter using firebase_messaging package

2 Answers2