Android Question B4A android FCM token and bearer token mismatch

nur · Jan 14, 2025

hello everyone

I'm sending notification to the android phone with the FCM token. But with firebase v1 google credential is updated. The B4A FCM token is not updated. So I get the code 404. But for the first half hour I was sending notification with code 200. Notifications are sent to the device with "topic". But I want to send a private notification. I get 200 status from "https://iid.googleapis.com/iid/info/token/e6iBBYImu......" for Android token. But when I post with v1 I get 404. Please help me how to solve this problem.

DonManfred · Jan 14, 2025

How are you sending the notification?

Make sure to use the - updated - B4J Sendingtool to send the Notification.
Reference: https://www.b4x.com/android/forum/threads/b4x-firebase-push-notifications-2023.148715/

If that is the case then you need to provide MORE Information about your app setup, how are you sending the notification.

nur · Jan 15, 2025

My notification sending application is a c# service application. I am testing with postman. I can send general notifications to my Android device with the same token as shown in the picture. However, I cannot send special notifications to that device with the FCM service token in B4A. I get a 404 error. I cannot create a new token in the FCM service. How can I fix this?

Erel · Jan 15, 2025

nur said:
My notification sending application is a c# service application

Start with carefully following the instructions. Once it is working, exactly as instructed, then you can switch to your C# implementation.

nur · Jan 21, 2025

Thanks. I tried with b4j. It seems that notifications are being sent with Topic. But, even though there is permission on the device, notifications are not coming. I did not try with Token. What could be causing the problem?

Erel · Jan 22, 2025

nur said:
Thanks. I tried with b4j. It seems that notifications are being sent with Topic

True. As I wrote, do what all developers do and carefully follow the instructions.

nur · Jan 22, 2025

I'm sure I followed the instructions. I'm getting a 404 error with the token. The notification is not reaching the device with the Topic. I'm sure the tokens are in the same project. What am I missing?

Erel · Jan 22, 2025

Post the full logs from the sending tool.

ddefrain · Jan 22, 2025

nur said:
hello everyone

I'm sending notification to the android phone with the FCM token. But with firebase v1 google credential is updated. The B4A FCM token is not updated. So I get the code 404. But for the first half hour I was sending notification with code 200. Notifications are sent to the device with "topic". But I want to send a private notification. I get 200 status from "https://iid.googleapis.com/iid/info/token/e6iBBYImu......" for Android token. But when I post with v1 I get 404. Please help me how to solve this problem.

You need to create a new bearer everytime you send an FCM, it lasts only one hour for security reasons
Check this out
Sending FCM C#

Android Question B4A android FCM token and bearer token mismatch

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