I'm struggling to submit an Android/iOS application to App Center, however I'm getting constantly rejected with the following reason:
General Feedback:
- Your Android app does not appear to have Facebook Login integration. Please either implement Facebook Login or remove this integration as a listed platform in the developer app. See more details here
- Your iOS app does not appear to have Facebook Login integration. Please either implement Facebook Login or remove this integration as a listed platform in the developer app. See more details here
Facebook login button is placed in Settings dialog, where a normal email/password login is located as well.
Unfortunately the review team doesn't specify why exactly it appears to them that Facebook Login integration is missing.
So, are there any specific requirements on Login implementation which I may be missing?
Okay, the one thing that helped passing review was adding Facebook logo on the login button in the Settings screen.