I have been following this tutorial to get Google SignOn going: https://developers.google.com/identity/sign-in/android/start-integrating
When I run my application lo
As per this you need 3 SHA1 keys in Firebase project settings
In most of the case, the problem is the third key.
The debug key
keytool -exportcert -alias androiddebugkey -keystore ~/.android/debug.keystore | openssl sha1 -binary | openssl base64
The release key
keytool -exportcert -alias YOUR_RELEASE_KEY_ALIAS -keystore YOUR_RELEASE_KEY_PATH | openssl sha1 -binary | openssl base64
Google Play App signing key
https://play.google.com/apps/publish/
in your app's Release management > App signing > App signing certificate
it's SHA1 key
You need THREE keys to figure out ONE Google SignIn.