Código de autenticação Apple

auth.dart

/// Pacote Utilizado: sign_in_with_apple [https://pub.dev/packages/sign_in_with_apple]
final appleIdCredential = await SignInWithApple.getAppleIDCredential(
  scopes: [
    AppleIDAuthorizationScopes.email,
    AppleIDAuthorizationScopes.fullName,
  ],
);
final oAuthProvider = OAuthProvider('apple.com');
final credential = oAuthProvider.credential(
  idToken: appleIdCredential.identityToken,
  accessToken: appleIdCredential.authorizationCode,
);