Huseyin Baduk Huseyin Baduk - 1 month ago 11
Android Question

Android - According to what Firebase refreshing token

Maybe it is not important but I dont understood that when

onTokenRefresh()
function running.. Thank you

Edit : I m using FCM Notification on my Android project. My app send message to specific users with "registration token id"(I'm storing this). I worried about that when token id will change or is it literal values?

Answer

From the Firebase documentation:

Because the token could be rotated after initial startup, you are strongly recommended to retrieve the latest updated registration token.

The registration token may change when:

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