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

I solved the issue in the simple way..

1)Frist Logout from the FaceBook app.

2)Open the Appplication which you have developed when cilck to login it will show the haskkey not mathcing.

3)Generate the SHA1 signing report in (Right Side Tab android studio) Gradle-->Task-->android->signing Report .(HEXA String)

4)Convert that to base 64.(Link) 5)Copy the output and past in the FaceBook developer page..

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