feat(ui_shared): extract common widgets to a shared library (#10620)

* feat(ui_shared): ThemedColor added

* add more widgets

* drop comments from pubspec

* more tests

* release preparations

* more API docs

* lower sdk constraint to match everything else

packages/firebase_ui_auth/example/pubspec.yaml

@@ -38,6 +38,7 @@ dependencies:
   firebase_ui_oauth_twitter: ^1.0.24
 dev_dependencies:
   drive: ^1.0.0-1.0.nullsafety.1
+  firebase_ui_shared: ^1.0.0
   flutter_facebook_auth: ^4.4.1
   flutter_driver:
     sdk: flutter

packages/firebase_ui_auth/example/pubspec_overrides.yaml

@@ -1,4 +1,4 @@
-# melos_managed_dependency_overrides: _flutterfire_internals,firebase_auth,firebase_auth_platform_interface,firebase_auth_web,firebase_core,firebase_core_platform_interface,firebase_core_web,firebase_dynamic_links,firebase_dynamic_links_platform_interface,firebase_ui_auth,firebase_ui_localizations,firebase_ui_oauth,firebase_ui_oauth_apple,firebase_ui_oauth_facebook,firebase_ui_oauth_google,firebase_ui_oauth_twitter
+# melos_managed_dependency_overrides: _flutterfire_internals,firebase_auth,firebase_auth_platform_interface,firebase_auth_web,firebase_core,firebase_core_platform_interface,firebase_core_web,firebase_dynamic_links,firebase_dynamic_links_platform_interface,firebase_ui_auth,firebase_ui_localizations,firebase_ui_oauth,firebase_ui_oauth_apple,firebase_ui_oauth_facebook,firebase_ui_oauth_google,firebase_ui_oauth_twitter,firebase_ui_shared
 dependency_overrides:
   intl: ^0.18.0
   _flutterfire_internals:
@@ -33,3 +33,5 @@ dependency_overrides:
     path: ../../firebase_ui_oauth_google
   firebase_ui_oauth_twitter:
     path: ../../firebase_ui_oauth_twitter
+  firebase_ui_shared:
+    path: ../../firebase_ui_shared

packages/firebase_ui_auth/example/test_driver/email_form_test.dart

@@ -3,6 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:firebase_auth/firebase_auth.dart';
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';

packages/firebase_ui_auth/lib/firebase_ui_auth.dart

@@ -7,6 +7,8 @@ import 'package:firebase_core/firebase_core.dart';
 import 'package:firebase_ui_oauth/firebase_ui_oauth.dart';
 import 'package:flutter/widgets.dart';
 
+export 'package:firebase_ui_shared/firebase_ui_shared.dart' show ButtonVariant;
+
 import 'src/actions.dart';
 import 'src/oauth_providers.dart';
 import 'src/providers/auth_provider.dart';
@@ -37,7 +39,6 @@ export 'src/flows/phone_auth_flow.dart';
 export 'src/flows/universal_email_sign_in_flow.dart';
 // ignore_for_file: use_build_context_synchronously
 
-export 'src/loading_indicator.dart';
 export 'src/mfa.dart' show startMFAVerification;
 export 'src/navigation/authentication.dart';
 export 'src/navigation/forgot_password.dart';
@@ -84,7 +85,6 @@ export 'src/widgets/error_text.dart' show ErrorText;
 export 'src/widgets/forgot_password_button.dart';
 export 'src/widgets/internal/oauth_provider_button.dart'
     show OAuthProviderButton, OAuthButtonVariant;
-export 'src/widgets/internal/universal_button.dart' show ButtonVariant;
 export 'src/widgets/layout_flow_aware_padding.dart';
 export 'src/widgets/password_input.dart';
 export 'src/widgets/phone_input.dart' show PhoneInputState, PhoneInput;

packages/firebase_ui_auth/lib/src/screens/email_link_sign_in_screen.dart

@@ -3,12 +3,12 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:firebase_auth/firebase_auth.dart' hide EmailAuthProvider;
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/widgets.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 
 import 'internal/provider_screen.dart';
 import 'internal/responsive_page.dart';
-import '../widgets/internal/universal_scaffold.dart';
 
 /// {@template ui.auth.screens.email_link_sign_in_screen}
 /// A screen that provides a UI for authentication using email link.

packages/firebase_ui_auth/lib/src/screens/email_verification_screen.dart

@@ -3,15 +3,13 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:firebase_auth/firebase_auth.dart';
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/material.dart' hide Title;
 import 'package:flutter/scheduler.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
 
-import '../widgets/internal/loading_button.dart';
 import '../widgets/internal/title.dart';
-import '../widgets/internal/universal_button.dart';
-import '../widgets/internal/universal_scaffold.dart';
 
 import 'internal/responsive_page.dart';
 

packages/firebase_ui_auth/lib/src/screens/forgot_password_screen.dart

@@ -2,11 +2,11 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/material.dart';
 import 'package:firebase_auth/firebase_auth.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 
-import '../widgets/internal/universal_scaffold.dart';
 import 'internal/responsive_page.dart';
 
 /// A password reset screen.

packages/firebase_ui_auth/lib/src/screens/internal/login_screen.dart

@@ -2,12 +2,11 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/widgets.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:firebase_auth/firebase_auth.dart' show FirebaseAuth;
 
-import '../../widgets/internal/universal_scaffold.dart';
-
 import 'responsive_page.dart';
 
 class LoginScreen extends StatelessWidget {

packages/firebase_ui_auth/lib/src/screens/phone_input_screen.dart

@@ -4,13 +4,12 @@
 
 import 'package:firebase_auth/firebase_auth.dart'
     show FirebaseAuth, MultiFactorSession, PhoneMultiFactorInfo;
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/widgets.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
 
-import '../widgets/internal/universal_button.dart';
 import '../widgets/internal/universal_page_route.dart';
-import '../widgets/internal/universal_scaffold.dart';
 
 import 'internal/responsive_page.dart';
 

packages/firebase_ui_auth/lib/src/screens/profile_screen.dart

@@ -11,7 +11,7 @@ import 'package:firebase_auth/firebase_auth.dart'
         PhoneAuthCredential,
         PhoneMultiFactorGenerator,
         User;
-import 'package:firebase_ui_auth/src/widgets/internal/universal_icon.dart';
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/cupertino.dart' hide Title;
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
 import 'package:flutter/material.dart' hide Title;
@@ -20,8 +20,6 @@ import 'package:firebase_ui_oauth/firebase_ui_oauth.dart'
     hide OAuthProviderButtonBase;
 import 'package:flutter/services.dart';
 
-import '../widgets/internal/loading_button.dart';
-import '../widgets/internal/universal_button.dart';
 import '../widgets/internal/rebuild_scope.dart';
 import '../widgets/internal/subtitle.dart';
 import '../widgets/internal/universal_icon_button.dart';

packages/firebase_ui_auth/lib/src/screens/sms_code_input_screen.dart

@@ -3,12 +3,11 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:firebase_auth/firebase_auth.dart' show FirebaseAuth;
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/material.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
 
-import '../widgets/internal/universal_button.dart';
-import '../widgets/internal/universal_scaffold.dart';
 import '../screens/internal/responsive_page.dart';
 
 /// A screen displaying a UI which allows users to enter an SMS validation code

packages/firebase_ui_auth/lib/src/screens/universal_email_sign_in_screen.dart

@@ -3,10 +3,10 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:firebase_auth/firebase_auth.dart';
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/material.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import '../widgets/internal/universal_page_route.dart';
-import '../widgets/internal/universal_scaffold.dart';
 import 'internal/multi_provider_screen.dart';
 
 /// A screen that allows to resolve previously used providers for a given email.

packages/firebase_ui_auth/lib/src/views/email_link_sign_in_view.dart

@@ -3,11 +3,11 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:firebase_auth/firebase_auth.dart';
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/widgets.dart' hide Title;
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
 
-import '../widgets/internal/loading_button.dart';
 import '../widgets/internal/title.dart';
 
 /// {@template ui.auth.views.email_link_sign_in_view}

packages/firebase_ui_auth/lib/src/views/find_providers_for_email_view.dart

@@ -3,10 +3,10 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:firebase_auth/firebase_auth.dart';
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/material.dart' hide Title;
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
-import '../widgets/internal/loading_button.dart';
 
 import '../widgets/internal/title.dart';
 

packages/firebase_ui_auth/lib/src/views/forgot_password_view.dart

@@ -2,15 +2,13 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/material.dart' hide Title;
 
 import 'package:firebase_auth/firebase_auth.dart'
     show ActionCodeSettings, FirebaseAuth, FirebaseAuthException;
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
-import '../widgets/internal/universal_button.dart';
-
-import '../widgets/internal/loading_button.dart';
 import '../widgets/internal/title.dart';
 
 /// {@template ui.auth.views.forgot_password_view}

packages/firebase_ui_auth/lib/src/views/phone_input_view.dart

@@ -3,10 +3,10 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:firebase_auth/firebase_auth.dart';
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/widgets.dart' hide Title;
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
-import '../widgets/internal/universal_button.dart';
 
 import '../widgets/internal/title.dart';
 

packages/firebase_ui_auth/lib/src/views/sms_code_input_view.dart

@@ -3,13 +3,12 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/material.dart';
 
 import 'package:firebase_auth/firebase_auth.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 
-import '../widgets/internal/universal_button.dart';
-
 typedef SMSCodeSubmitCallback = void Function(String smsCode);
 
 /// {@template ui.auth.views.sms_code_input_view}

packages/firebase_ui_auth/lib/src/widgets/delete_account_button.dart

@@ -6,11 +6,10 @@ import 'package:firebase_auth/firebase_auth.dart'
     show FirebaseAuth, FirebaseAuthException;
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
-import '../widgets/internal/loading_button.dart';
-
 typedef DeleteFailedCallback = void Function(Exception exception);
 typedef SignInRequiredCallback = Future<bool> Function();
 
@@ -29,16 +28,16 @@ class DeleteAccountButton extends StatefulWidget {
   /// A callback that is called if the account deletion fails.
   final DeleteFailedCallback? onDeleteFailed;
 
-  /// {@macro ui.auth.widgets.button_variant}
-  final ButtonVariant? variant;
+  /// {@macro ui.shared.widgets.button_variant}
+  final ButtonVariant variant;
 
   /// {@macro ui.auth.widgets.delete_account_button}
   const DeleteAccountButton({
     Key? key,
     this.auth,
     this.onSignInRequired,
     this.onDeleteFailed,
-    this.variant,
+    this.variant = ButtonVariant.filled,
   }) : super(key: key);
 
   @override

packages/firebase_ui_auth/lib/src/widgets/different_method_sign_in_dialog.dart

@@ -3,12 +3,12 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:firebase_auth/firebase_auth.dart';
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/material.dart' hide Title;
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
 
 import '../widgets/internal/title.dart';
-import 'internal/universal_button.dart';
 
 /// {@template ui.auth.widgets.different_method_sign_in_dialog}
 /// A dialog that is shown when the user tries to sign in with a provider that

packages/firebase_ui_auth/lib/src/widgets/editable_user_display_name.dart

@@ -3,8 +3,8 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:firebase_auth/firebase_auth.dart' show FirebaseAuth;
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/cupertino.dart';
-import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
 import 'package:flutter/material.dart';
 

packages/firebase_ui_auth/lib/src/widgets/email_form.dart

@@ -5,9 +5,9 @@
 import 'package:firebase_auth/firebase_auth.dart' show FirebaseAuth;
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/material.dart';
 
-import '../widgets/internal/loading_button.dart';
 import '../validators.dart';
 
 /// {@template ui.auth.widgets.email_form.forgot_password_action}
@@ -56,7 +56,7 @@ typedef EmailFormSubmitCallback = void Function(String email, String password);
 /// {@endtemplate}
 class EmailFormStyle extends FirebaseUIStyle {
   /// A [ButtonVariant] that should be used for the sign in button.
-  final ButtonVariant? signInButtonVariant;
+  final ButtonVariant signInButtonVariant;
 
   /// An override of the global [ThemeData.inputDecorationTheme].
   final InputDecorationTheme? inputDecorationTheme;

packages/firebase_ui_auth/lib/src/widgets/email_link_sign_in_button.dart

@@ -3,12 +3,12 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:firebase_auth/firebase_auth.dart';
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
 
-import 'internal/universal_button.dart';
 import 'internal/universal_page_route.dart';
 
 /// {@template ui.auth.widget.email_link_sign_in_button}

packages/firebase_ui_auth/lib/src/widgets/forgot_password_button.dart

@@ -2,12 +2,11 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
 
-import 'internal/universal_button.dart';
-
 /// {@template ui.auth.widget.forgot_password_button}
 /// A button that has a localized "Forgot password" label.
 /// {@endtemplate}

packages/firebase_ui_auth/lib/src/widgets/internal/oauth_provider_button.dart

@@ -3,6 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:firebase_auth/firebase_auth.dart' hide OAuthProvider;
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/material.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';

packages/firebase_ui_auth/lib/src/widgets/internal/subtitle.dart

@@ -2,11 +2,10 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
-import 'platform_widget.dart';
-
 class Subtitle extends PlatformWidget {
   final String text;
   final FontWeight? fontWeight;

packages/firebase_ui_auth/lib/src/widgets/internal/title.dart

@@ -2,11 +2,10 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
-import 'platform_widget.dart';
-
 class Title extends PlatformWidget {
   final String text;
   const Title({Key? key, required this.text}) : super(key: key);

packages/firebase_ui_auth/lib/src/widgets/internal/universal_icon_button.dart

@@ -2,11 +2,10 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
-import 'platform_widget.dart';
-
 class UniversalIconButton extends PlatformWidget {
   final IconData cupertinoIcon;
   final IconData materialIcon;