How would offline_access work after deprecation after May 1st?

Question

I did some test, the result I found contradicts Facebook\'s documentation. https://developers.facebook.com/roadmap/offline-access-removal/

If we enable the \"Deprec

Answer 1

The section marked 'If you were NOT previously asking for offline_access' in that document explains how to exchange that 2 hour token for a 60 day token: (note that the 2 hours and 60 days values could change in future)

https://developers.facebook.com/roadmap/offline-access-removal/#extend_token

Just access

https://graph.facebook.com/oauth/access_token?             
        client_id=APP_ID&
        client_secret=APP_SECRET&
        grant_type=fb_exchange_token&
        fb_exchange_token=EXISTING_ACCESS_TOKEN 

And the token returned will have a longer expiry (it may be the same token with a longer expiry or a new token, you should handle both cases)