Google One Tap Sign In

Google One Tap Sign In (Android)

A Flutter Plugin for Google One Tap Sign In

Getting Started

To access Google Sign-In, you'll need to make sure to register your application.

• Add to your pubspec.yaml

  dependencies:  
  google_one_tap_sign_in: [any]

• Add Google Service

  classpath 'com.google.gms:google-services:[x.x.x]'

• Import plugin

  import 'package:google_one_tap_sign_in/google_one_tap_sign_in.dart';

• Handle Simple Method

  // Your Web Client Id  
  final String _webClientId = "[XXXXXXXXXXX]";
  void _onSignIn() async {
    var data = await GoogleOneTapSignIn.startSignIn(webClientId: _webClientId);
    if (data != null) {
      // Whatever you do with [SignInResult] data
      print("Id Token : ${data.idToken ?? "-"}");
      print("ID : ${data.id ?? "-"}");
    }
  }

• Handle with Condition Method

  // Your Web Client Id  
  final String _webClientId = "[XXXXXXXXXXX]";
  void _onSignInWithHandle() async {
  var result = await GoogleOneTapSignIn.handleSignIn(webClientId: _webClientId);
  
    if (result.isTemporaryBlock) {
      // TODO: Tell your users about this status
      print("Temporary BLOCK");
    }
  
    if (result.isCanceled) {
      // TODO: Tell your users about this status
      print("Canceled");
    }
  
    if (result.isFail) {
      // TODO: Tell your users about this status
    }
  
    if (result.isOk) {
      // TODO: Whatever you do with [SignInResult] data
      print("OK");
      print("Id Token : ${result.data?.idToken ?? "-"}");
      print("Email : ${result.data?.username ?? "-"}");
    }
  }

Example

Find the example wiring in the Google One Tap Sign In