remove some elements and add settings page

cupertino_gallery/lib/gallery_home.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/cupertino.dart';
+import 'settings_page.dart';
 import 'widgets_page.dart';
 
 class GalleryHome extends StatelessWidget {
@@ -24,7 +25,7 @@ class GalleryHome extends StatelessWidget {
           builder: (BuildContext context) {
             return switch (index) {
               0 => const WidgetsPage(),
-              1 => const Center(child: Text('Settings')),
+              1 => const SettingsPage(),
               _ => const Center(child: Text('Widgets')),
             };
           },

cupertino_gallery/lib/main.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/material.dart';
 
 import 'gallery_home.dart';
 
@@ -16,9 +15,6 @@ class CupertinoGalleryApp extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return const CupertinoApp(
+    return const CupertinoApp(title: 'Cupertino Gallery', home: GalleryHome());
-      title: 'Cupertino Gallery',
-      home: GalleryHome(),
-    );
   }
 }

cupertino_gallery/lib/settings_page.dart

@@ -0,0 +1,108 @@
+import 'package:flutter/cupertino.dart';
+
+class SettingsPage extends StatefulWidget {
+  const SettingsPage({super.key});
+
+  @override
+  State<SettingsPage> createState() => _SettingsPageState();
+}
+
+class _SettingsPageState extends State<SettingsPage> {
+  bool _darkMode = false;
+  double _textSize = 1.0;
+
+  @override
+  Widget build(BuildContext context) {
+    return CupertinoPageScaffold(
+      navigationBar: const CupertinoNavigationBar(
+        middle: Text('Settings'),
+      ),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          CupertinoListSection(
+            header: const Text('Appearance'),
+            children: [
+              CupertinoListTile(
+                title: const Text('Dark Mode'),
+                trailing: CupertinoSwitch(
+                  value: _darkMode,
+                  onChanged: (bool value) {
+                    setState(() {
+                      _darkMode = value;
+                    });
+                  },
+                ),
+              ),
+              CupertinoListTile(
+                title: const Text('Text Size'),
+                trailing: Text('${(_textSize * 100).toStringAsFixed(0)}%'),
+              ),
+              CupertinoSlider(
+                value: _textSize,
+                onChanged: (double value) {
+                  setState(() {
+                    _textSize = value;
+                  });
+                },
+              ),
+            ],
+          ),
+          CupertinoListSection(
+            header: const Text('General'),
+            children: [
+              CupertinoListTile(
+                title: const Text('About'),
+                trailing: const Icon(CupertinoIcons.forward),
+                onTap: () {},
+              ),
+              CupertinoListTile(
+                title: const Text('Privacy'),
+                trailing: const Icon(CupertinoIcons.forward),
+                onTap: () {},
+              ),
+              CupertinoListTile(
+                title: const Text('Help'),
+                trailing: const Icon(CupertinoIcons.forward),
+                onTap: () {},
+              ),
+              CupertinoListTile(
+                title: const Text('Reset Settings'),
+                trailing: const Icon(CupertinoIcons.forward),
+                onTap: () {
+                  showCupertinoDialog<void>(
+                    context: context,
+                    builder: (BuildContext context) => CupertinoAlertDialog(
+                      title: const Text('Reset Settings'),
+                      content: const Text(
+                          'Are you sure you want to reset all settings?'),
+                      actions: <CupertinoDialogAction>[
+                        CupertinoDialogAction(
+                          child: const Text('Cancel'),
+                          onPressed: () {
+                            Navigator.pop(context);
+                          },
+                        ),
+                        CupertinoDialogAction(
+                          isDestructiveAction: true,
+                          child: const Text('Reset'),
+                          onPressed: () {
+                            setState(() {
+                              _darkMode = false;
+                              _textSize = 1.0;
+                            });
+                            Navigator.pop(context);
+                          },
+                        ),
+                      ],
+                    ),
+                  );
+                },
+              ),
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+}

cupertino_gallery/lib/widget_detail_page.dart

@@ -7,8 +7,6 @@ import 'widgets/button_page.dart';
 import 'widgets/context_menu_page.dart';
 import 'widgets/date_picker_page.dart';
 import 'widgets/list_tile_page.dart';
-import 'widgets/navigation_bar_page.dart';
-import 'widgets/page_scaffold_page.dart';
 import 'widgets/picker_page.dart';
 import 'widgets/popup_surface_page.dart';
 import 'widgets/scrollbar_page.dart';
@@ -17,9 +15,6 @@ import 'widgets/segmented_control_page.dart';
 import 'widgets/slider_page.dart';
 import 'widgets/sliding_segmented_control_page.dart';
 import 'widgets/switch_page.dart';
-import 'widgets/tab_bar_page.dart';
-import 'widgets/tab_scaffold_page.dart';
-import 'widgets/tab_view_page.dart';
 import 'widgets/text_field_page.dart';
 import 'widgets/text_theme_page.dart';
 import 'widgets/time_picker_page.dart';
@@ -62,12 +57,6 @@ class WidgetDetailPage extends StatelessWidget {
         return const SlidingSegmentedControlPage();
       case 'Switch':
         return const SwitchPage();
-      case 'Tab Bar':
-        return const TabBarPage();
-      case 'Tab Scaffold':
-        return const TabScaffoldPage();
-      case 'Tab View':
-        return const TabViewPage();
       case 'Text Field':
         return const TextFieldPage();
       case 'Text Theme':

cupertino_gallery/lib/widgets/segmented_control_page.dart

@@ -18,7 +18,7 @@ class _SegmentedControlPageState extends State<SegmentedControlPage> {
       ),
       child: Center(
         child: CupertinoSegmentedControl<int>(
-          children: const <int, Widget>{
+          children: <int, Widget>{
             0: Text('One'),
             1: Text('Two'),
             2: Text('Three'),

cupertino_gallery/lib/widgets_page.dart

@@ -28,9 +28,6 @@ class WidgetsPage extends StatelessWidget {
                 CustomCupertinoListTile(title: 'Slider'),
                 CustomCupertinoListTile(title: 'Sliding Segmented Control'),
                 CustomCupertinoListTile(title: 'Switch'),
-                CustomCupertinoListTile(title: 'Tab Bar'),
-                CustomCupertinoListTile(title: 'Tab Scaffold'),
-                CustomCupertinoListTile(title: 'Tab View'),
                 CustomCupertinoListTile(title: 'Text Field'),
                 CustomCupertinoListTile(title: 'Text Theme'),
                 CustomCupertinoListTile(title: 'Time Picker'),

cupertino_gallery/test/widget_test.dart

@@ -5,15 +5,14 @@
 // gestures. You can also use WidgetTester to find child widgets in the widget
 // tree, read text, and verify that the values of widget properties are correct.
 
+import 'package:cupertino_gallery/gallery_home.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 
-import 'package:cupertino_gallery/main.dart';
-
 void main() {
   testWidgets('Counter increments smoke test', (WidgetTester tester) async {
     // Build our app and trigger a frame.
-    await tester.pumpWidget(const MyApp());
+    await tester.pumpWidget(const GalleryHome());
 
     // Verify that our counter starts at 0.
     expect(find.text('0'), findsOneWidget);