Firebase Authentication Not working in signed APK

Question

I\'m using Firebase Google Sign in. It works perfectly via USB debugging. But when I generate signed APK, it stops working. Its not able to sign in. Using it on Android 5.1

Answer 1

You are having fingerprint certificate in console, but its only for debugging purposes, for signed apk you need a production fingerprint certificate, and you can get one by

 c:\Program Files\Java\jdk1.6.25\bin>keytool -list -v -keystore c:\you_key_here.key