[Bug] DeleteTokenAsync receives a new token immediately in iOS

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
35/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
csharp, ios, unity
Domain
mobile-dev

Research direction

Reproduce on Unity 2020.3.23f1 with Firebase Unity SDK 8.6.2, targeting iOS with IL2CPP, using the Info.plist setting and DeleteTokenAsync sequence shown in the issue. Read the interaction between TokenRegistrationOnInitEnabled and DeleteTokenAsync; done means deleting the token does not immediately produce a new token or allow push delivery to continue, while Android behavior remains unchanged.

Written by the indexing model from the issue text.

Description

api: messaging type: bug
[REQUIRED] Please fill in the following fields:
  • Unity editor version: 2020.3.23f1
  • Firebase Unity SDK version: 8.6.2
  • Source you installed the SDK: Unity Package Manager
  • Problematic Firebase Component: messaging
  • Other Firebase Components in use: app, installations
  • Additional SDKs you are using: none
  • Platform you are using the Unity editor on: Mac
  • Platform you are targeting: iOS
  • Scripting Runtime: IL2CPP
[REQUIRED] Please describe the issue here:

I've tried to handle push notification on/off in iOS.
I expected to delete FCM Token to turn push notification off.
Even though TokenRegistrationOnInitEnabled value is False, FCM token is received automatically and immediately after DeleteTokenAsync.

Log

FCM: new registration token received
FCM: Retrieve registration token

So. I could not delete FCM Token. It seems like refresh Token, not Delete.
After quit my app, Push Notification is still received.

Plz fix the logic where refresh automatically FCM token.
On Android, DeleteTokenAsync works well. It does not fetch the new token immediately after DeleteTokenAsync.

Relevant Code:

Here is my code.

// I've put this pair into my Info.plist:
// <key>FirebaseMessagingAutoInitEnabled</key><false/>
// So, 'Firebase.Messaging.FirebaseMessaging.TokenRegistrationOnInitEnabled' is False.

    Firebase.Messaging.FirebaseMessaging.TokenReceived -= OnTokenReceived;
    Firebase.Messaging.FirebaseMessaging.MessageReceived -= OnMessageReceived;
    Firebase.Messaging.FirebaseMessaging.DeleteTokenAsync();
Dominant language
C#
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Forks
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