Flutter/Firebase Google login not working after building apk file

Question

I have made android app that uses firebase and google_sign. Then I have release apk by flutter build apk. But after installing that apk file locally in my phone the google l

Answer 1

In your console use the command after entering android folder using

cd android

gradlew signinReport

This command generates certificates and SHA keys which you need. When we first create Firebase, we give the SHA debug key which no longer works in production version.

Go to the project settings in Firebase console and change the SHA field with the release key generated using the above command.

Keep in mind, this command generates a bunch of keys including debug and release keys. You need the release one.