A simple Google SignIn library for Dart with support for an OpenID Connect.
import 'dart:async';
import 'package:just_google_signin/just_google_signin.dart';
main() async {
var params = new InitParams('<CLIENT_ID>', scope: 'email');
var auth = await init(params);
if (!auth.isSignedIn) {
// Show a Google SignIn form.
await auth.signIn();
}
var user = auth.user;
print('User name: ${user.profile.name}');
print('JWT token: ${user.tokens.idToken}');
}
You can decode a Google JWT (a.k.a. idToken) with just_google_jwt_decoder library.