katana_auth 3.0.3

Base package to facilitate switching between Local and Firebase authentication implementations.

example/lib/main.dart

// Flutter imports:
import "package:flutter/material.dart";

// Package imports:
import "package:katana_auth/katana_auth.dart";

void main() {
  runApp(const MyApp());
}

/// Main application widget for authentication demo.
///
/// 認証デモ用のメインアプリケーションWidget。
class MyApp extends StatelessWidget {
  /// Creates a MyApp widget.
  ///
  /// MyAppウィジェットを作成します。
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return AuthAdapterScope(
      adapter: const RuntimeAuthAdapter(),
      child: MaterialApp(
        home: const AuthPage(),
        title: "Flutter Demo",
        theme: ThemeData(
          primarySwatch: Colors.blue,
        ),
      ),
    );
  }
}

/// Authentication page widget to demonstrate auth functionality.
///
/// 認証機能を実演するページWidget。
class AuthPage extends StatefulWidget {
  /// Creates an AuthPage widget.
  ///
  /// AuthPageウィジェットを作成します。
  const AuthPage({super.key});

  @override
  State<StatefulWidget> createState() => AuthPageState();
}

/// State for AuthPage widget.
///
/// AuthPageウィジェットのState。
class AuthPageState extends State<AuthPage> {
  /// Authentication instance for managing user auth state.
  ///
  /// ユーザー認証状態を管理するAuthenticationインスタンス。
  final auth = Authentication();

  @override
  void initState() {
    super.initState();
    auth.addListener(_handledOnUpdate);
  }

  void _handledOnUpdate() {
    setState(() {});
  }

  @override
  void dispose() {
    super.dispose();
    auth.removeListener(_handledOnUpdate);
    auth.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text("App Demo")),
      body: ListView(
        children: [
          ListTile(
            title: Text("SignedIn: ${auth.isSignedIn}"),
          ),
          ListTile(
            title: Text("Anonymously: ${auth.isAnonymously}"),
          ),
          ListTile(
            title: Text("ID: ${auth.userId}"),
          ),
          ListTile(
            title: Text("Email: ${auth.userEmail}"),
          ),
          ListTile(
            title: Text("Phone: ${auth.userPhoneNumber}"),
          ),
          ListTile(
            title: Text("Providers: ${auth.activeProviderIds?.join("\n")}"),
          ),
        ],
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () {
          Navigator.of(context).push(MaterialPageRoute(
            builder: (_) {
              return AuthControlPage(auth: auth);
            },
          ));
        },
        child: const Icon(Icons.person),
      ),
    );
  }
}

/// Authentication control page widget with auth actions.
///
/// 認証アクションを含む認証制御ページWidget。
class AuthControlPage extends StatelessWidget {
  /// Creates an AuthControlPage widget.
  ///
  /// AuthControlPageウィジェットを作成します。
  const AuthControlPage({
    required this.auth,
    super.key,
  });

  /// Authentication instance to perform auth operations.
  ///
  /// 認証操作を実行するAuthenticationインスタンス。
  final Authentication auth;

  @override
  Widget build(BuildContext context) {
    final navigator = Navigator.of(context);
    return Scaffold(
      appBar: AppBar(
        title: const Text("Auth Control"),
      ),
      body: ListView(
        children: [
          if (!auth.isSignedIn) ...[
            if (!auth.isWaitingConfirmation) ...[
              ListTile(
                title: const Text("SignIn anonymously"),
                onTap: () async {
                  await auth.signIn(AnonymouslyAuthQuery.signIn());
                  navigator.pop();
                },
              ),
              ListTile(
                title: const Text("Register with email and password"),
                onTap: () async {
                  await auth.register(
                    EmailAndPasswordAuthQuery.register(
                      email: "[e-mail]",
                      password: "12345678",
                    ),
                  );
                  navigator.pop();
                },
              ),
              ListTile(
                title: const Text("SignIn with email and password"),
                onTap: () async {
                  await auth.signIn(
                    EmailAndPasswordAuthQuery.signIn(
                      email: "[e-mail]",
                      password: "12345678",
                    ),
                  );
                  navigator.pop();
                },
              ),
              ListTile(
                title: const Text("SignIn with email link"),
                onTap: () async {
                  await auth.signIn(
                    EmailLinkAuthQuery.signIn(
                      email: "[e-mail]",
                      url: "https://test.com",
                    ),
                  );
                  navigator.pop();
                },
              ),
              ListTile(
                title: const Text("SignIn with sms"),
                onTap: () async {
                  await auth.signIn(
                    SmsAuthQuery.signIn(
                      phoneNumber: "01234567890",
                      countryNumber: "81",
                    ),
                  );
                  navigator.pop();
                },
              ),
            ] else ...[
              ListTile(
                title: const Text("Confirm signIn with email link"),
                onTap: () async {
                  await auth.confirmSignIn(
                    EmailLinkAuthQuery.confirmSignIn(
                      url: "https://test.com",
                    ),
                  );
                  navigator.pop();
                },
              ),
              ListTile(
                title: const Text("Confirm signIn with sms"),
                onTap: () async {
                  await auth.confirmSignIn(
                    SmsAuthQuery.confirmSignIn(
                      code: "012345",
                    ),
                  );
                  navigator.pop();
                },
              ),
            ],
          ] else ...[
            if (!auth.isWaitingConfirmation) ...[
              ListTile(
                title: const Text("Change email"),
                onTap: () async {
                  await auth.change(
                    EmailAndPasswordAuthQuery.changeEmail(
                        email: "[e-mail]"),
                  );
                  navigator.pop();
                },
              ),
              ListTile(
                title: const Text("Change password"),
                onTap: () async {
                  await auth.change(
                    EmailAndPasswordAuthQuery.changePassword(password: ""),
                  );
                  navigator.pop();
                },
              ),
              ListTile(
                title: const Text("Change phoneNumber"),
                onTap: () async {
                  await auth.change(
                    SmsAuthQuery.changePhoneNumber(
                      phoneNumber: "1234567890",
                      countryNumber: "81",
                    ),
                  );
                  navigator.pop();
                },
              ),
              ListTile(
                title: const Text("SignOut"),
                onTap: () async {
                  await auth.signOut();
                  navigator.pop();
                },
              ),
            ] else ...[
              ListTile(
                title: const Text("Confirm changing Phone number with sms"),
                onTap: () async {
                  await auth.confirmChange(
                    SmsAuthQuery.confirmChangePhoneNumber(
                      code: "012345",
                    ),
                  );
                  navigator.pop();
                },
              ),
            ],
          ],
        ],
      ),
    );
  }
}