A new Flutter project.
- Go to firebase console and create an account.
- Now, add an app in the firebase console.
- Give package name as - ''github.nisrulz.firebase_google_authentication'' .
- Now, download the google-services.json file and paste it in android/app directory.
- Now, In the firebase console go to your app and project settings.
- Please add your SHA1 and SHA256 keys in there.
- Now, go to Authentication tab and click on get Started.
- Please enable the Sign-in providers - *Google , *Email/Password providers.
- Run pub get in your IDE.
- Now, you are good to go.