Integrate Sign in with Apple into Your Flutter App

Sign in with Apple is a convenient and secure way for users to authenticate with your Flutter app using their existing Apple ID credentials. This plugin provides a bridge to integrate this functionality seamlessly into your project.

Supported Platforms

• iOS
• macOS
• Android
• Web

Example Usage

import 'package:sign_in_with_apple/sign_in_with_apple.dart';

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Sign in with Apple',
      home: Scaffold(
        appBar: AppBar(
          title: Text('Sign in with Apple example'),
        ),
        body: Container(
          child: Center(
            child: SignInWithAppleButton(
              onPressed: () async {
                final credential = await SignInWithApple.getAppleIDCredential(
                  scopes: [
                    AppleIDAuthorizationScopes.email,
                    AppleIDAuthorizationScopes.fullName,
                  ],
                );
                print(credential);
                // Send the credential (especially `credential.authorizationCode`) to your server to create a session after they have been validated with Apple (see Integration section for more information on how to do this)
              },
            ),
          ),
        ),
      ),
    );
  }
}

Flow

Integration

Prerequisites:

• A paid membership to the Apple Developer Program

Setup:

1. Register an App ID:

• Create a new App ID at https://developer.apple.com/account/resources/identifiers/list/bundleId.

2. Create a Service ID (for Web and Android integration):

• Go to https://developer.apple.com/account/resources/identifiers/list/serviceId.
• Register a new Service ID.
• Enable Sign in with Apple for the service.
• Add the domains and subdomains where you want to use Sign in with Apple.

Server:

• Example server setup on Glitch
• Validate incoming authorization codes from your app clients with Apple's servers.
• Derive a new session from the validated credentials in your system.
• Daily verify the session with Apple and revoke the session if the authorization has been withdrawn on Apple's side.

Android:

• Use the Android V2 Embedding.
• Ensure launchMode is singleTask or singleTop.

iOS:

• Add the Sign in with Apple capability to your app's capabilities.
• Create and download new Provisioning Profiles with the Sign in with Apple capability.

macOS:

• Ensure the "Sign in with Apple" capability is present in your app's capabilities.
• Register your Mac for local development.