Android Facebook SDK: Key hash does not match any stored key hashes when uploading google play

Question

My app uses facebook api for user login. On developing it works fine, but when I uploaded it to google play it stops working.

This is the error log:

Answer 1

please check point no. 9 on Enable Single Sign On for Your App

Enable Single Sign On Enable single sign on for your app by setting Single Sign On to Yes below. YesNo Single Sign On