完成其他界面

ios/RunnerTests/RunnerTests.swift

@@ -0,0 +1,12 @@
+import Flutter
+import UIKit
+import XCTest
+
+class RunnerTests: XCTestCase {
+
+  func testExample() {
+    // If you add code to the Runner application, consider adding tests here.
+    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
+  }
+
+}

lib/components/game_action_bar.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
 import 'package:gobang/controllers/game_controller.dart';
+import 'package:gobang/themes/app_colors.dart';
 
 /// 悔棋 / 投降 / 重开
 class GameActionBar extends StatelessWidget {
@@ -9,22 +11,110 @@ class GameActionBar extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final c = Get.find<GameController>();
+    final isDark = c.themeFactory.value.getTheme().isDark;
+
     return Row(
-      mainAxisAlignment: MainAxisAlignment.center,
       children: [
-        IconButton(
-          onPressed: c.undo,
-          icon: const Icon(Icons.undo),
+        Expanded(
+          child: _ActionChip(
+            label: '悔棋',
+            icon: Icons.undo_rounded,
+            foreground: isDark ? AppColors.ivory : AppColors.ink,
+            background: isDark ? AppColors.darkCard : Colors.white,
+            onTap: c.undo,
+          ),
         ),
-        IconButton(
-          onPressed: c.surrender,
-          icon: const Icon(Icons.sports_handball, color: Colors.deepPurple),
+        SizedBox(width: 12.w),
+        Expanded(
+          child: _ActionChip(
+            label: '投降',
+            icon: Icons.flag_rounded,
+            foreground: AppColors.pumpkin,
+            background: isDark ? AppColors.darkCard : Colors.white,
+            onTap: c.surrender,
+          ),
         ),
-        IconButton(
-          onPressed: c.restart,
-          icon: const Icon(Icons.restart_alt, color: Colors.indigo),
+        SizedBox(width: 12.w),
+        Expanded(
+          child: _ActionChip(
+            label: '重开',
+            icon: Icons.refresh_rounded,
+            foreground: AppColors.ivory,
+            background: AppColors.ink,
+            onTap: c.restart,
+            elevated: true,
+          ),
         ),
       ],
     );
   }
 }
+
+class _ActionChip extends StatefulWidget {
+  const _ActionChip({
+    required this.label,
+    required this.icon,
+    required this.foreground,
+    required this.background,
+    required this.onTap,
+    this.elevated = false,
+  });
+
+  final String label;
+  final IconData icon;
+  final Color foreground;
+  final Color background;
+  final VoidCallback onTap;
+  final bool elevated;
+
+  @override
+  State<_ActionChip> createState() => _ActionChipState();
+}
+
+class _ActionChipState extends State<_ActionChip> {
+  bool _pressed = false;
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTapDown: (_) => setState(() => _pressed = true),
+      onTapUp: (_) => setState(() => _pressed = false),
+      onTapCancel: () => setState(() => _pressed = false),
+      onTap: widget.onTap,
+      child: AnimatedScale(
+        scale: _pressed ? 0.96 : 1,
+        duration: const Duration(milliseconds: 120),
+        child: Container(
+          padding: EdgeInsets.symmetric(vertical: 14.h),
+          decoration: BoxDecoration(
+            color: widget.background,
+            borderRadius: BorderRadius.circular(16.r),
+            boxShadow: [
+              BoxShadow(
+                color: AppColors.ink.withValues(
+                  alpha: widget.elevated ? 0.28 : 0.12,
+                ),
+                blurRadius: 12,
+                offset: const Offset(0, 4),
+              ),
+            ],
+          ),
+          child: Column(
+            children: [
+              Icon(widget.icon, color: widget.foreground, size: 24.sp),
+              SizedBox(height: 4.h),
+              Text(
+                widget.label,
+                style: TextStyle(
+                  color: widget.foreground,
+                  fontSize: 12.sp,
+                  fontWeight: FontWeight.w600,
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/components/game_status_text.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
 import 'package:gobang/controllers/game_controller.dart';
+import 'package:gobang/themes/app_colors.dart';
 
 /// 对局阶段提示文案
 class GameStatusText extends StatelessWidget {
@@ -10,10 +12,38 @@ class GameStatusText extends StatelessWidget {
   Widget build(BuildContext context) {
     final c = Get.find<GameController>();
     return Obx(
-      () => Text(
-        c.statusText.value,
-        style: const TextStyle(color: Colors.white),
-        textAlign: TextAlign.center,
+      () => Container(
+        width: double.infinity,
+        padding: EdgeInsets.symmetric(horizontal: 16.w, vertical: 12.h),
+        decoration: BoxDecoration(
+          color: Colors.white.withValues(alpha: 0.16),
+          borderRadius: BorderRadius.circular(16.r),
+          border: Border.all(color: Colors.white.withValues(alpha: 0.22)),
+        ),
+        child: Row(
+          children: [
+            Container(
+              width: 8.w,
+              height: 8.w,
+              decoration: const BoxDecoration(
+                color: AppColors.pumpkin,
+                shape: BoxShape.circle,
+              ),
+            ),
+            SizedBox(width: 10.w),
+            Expanded(
+              child: Text(
+                c.statusText.value,
+                style: TextStyle(
+                  color: AppColors.ivory,
+                  fontSize: 13.sp,
+                  fontWeight: FontWeight.w500,
+                  height: 1.35,
+                ),
+              ),
+            ),
+          ],
+        ),
       ),
     );
   }

lib/controllers/game_controller.dart

@@ -28,12 +28,18 @@ class GameController extends GetxController {
   final useCircle = true.obs;
   final gameOver = false.obs;
   final paintVersion = 0.obs;
-  final statusText = '热身阶段,不能悔棋，不能投降'.obs;
-
-  static const lightOn = Icon(Icons.lightbulb, color: Colors.amberAccent);
-  static const lightOff = Icon(Icons.lightbulb_outline_rounded);
-  static const circleIcon = Icon(Icons.circle_outlined);
-  static const rectIcon = Icon(Icons.crop_square);
+  final statusText = '热身阶段 · 不能悔棋 · 不能投降'.obs;
+
+  static const lightOn = Icon(Icons.lightbulb, color: Color(0xFFFFC857));
+  static const lightOff = Icon(
+    Icons.lightbulb_outline_rounded,
+    color: Color(0xFFFFF8F0),
+  );
+  static const circleIcon = Icon(
+    Icons.circle_outlined,
+    color: Color(0xFFFFF8F0),
+  );
+  static const rectIcon = Icon(Icons.crop_square, color: Color(0xFFFFF8F0));
 
   Icon get currentLight =>
       themeFactory.value is BlackThemeFactory ? lightOff : lightOn;
@@ -63,11 +69,11 @@ class GameController extends GetxController {
   void _refreshStatus() {
     final s = _userContext.state;
     if (s is StartState) {
-      statusText.value = '热身阶段,不能悔棋，不能投降';
+      statusText.value = '热身阶段 · 不能悔棋 · 不能投降';
     } else if (s is MidState) {
-      statusText.value = '入神阶段,可以悔棋且剩余${3 - s.reg}次，可以投降';
+      statusText.value = '入神阶段 · 可悔棋 ${3 - s.reg} 次 · 可投降';
     } else if (s is EndState) {
-      statusText.value = '白热化阶段,悔棋次数已用完，但可以投降';
+      statusText.value = '白热化阶段 · 悔棋已用完 · 可投降';
     }
   }
 
@@ -97,7 +103,9 @@ class GameController extends GetxController {
 
     if (ai.isWin(gridX, gridY, 1)) {
       gameOver.value = true;
-      TipsDialog.show(Get.context!, '恭喜', '您打败了决策树算法');
+      TipsDialog.show(Get.context!, '恭喜', '您打败了决策树算法').then((_) {
+        resetGame();
+      });
       return;
     }
 
@@ -133,7 +141,9 @@ class GameController extends GetxController {
 
     if (ai.isWin(gridX, gridY, -1)) {
       gameOver.value = true;
-      TipsDialog.show(Get.context!, '很遗憾', '决策树算法打败了您');
+      TipsDialog.show(Get.context!, '很遗憾', '决策树算法打败了您').then((_) {
+        resetGame();
+      });
     }
   }
 
@@ -170,9 +180,9 @@ class GameController extends GetxController {
     }
     final ok = await TipsDialog.showByChoose(
       Get.context!,
-      '提示',
-      '是否要投降并重新开局？',
-      '是',
+      '确认投降',
+      '投降后将重新开局',
+      '投降',
       '否',
     );
     if (ok == true) resetGame();

lib/main.dart

@@ -3,13 +3,14 @@ import 'package:flutter/services.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
 import 'package:gobang/routes/app_pages.dart';
+import 'package:gobang/themes/app_colors.dart';
 
 void main() {
   WidgetsFlutterBinding.ensureInitialized();
   SystemChrome.setSystemUIOverlayStyle(
     const SystemUiOverlayStyle(
       statusBarColor: Colors.transparent,
-      statusBarIconBrightness: Brightness.dark,
+      statusBarIconBrightness: Brightness.light,
       systemNavigationBarColor: Colors.transparent,
       systemNavigationBarIconBrightness: Brightness.dark,
     ),
@@ -31,8 +32,14 @@ class MyApp extends StatelessWidget {
           debugShowCheckedModeBanner: false,
           title: '南瓜五子棋',
           theme: ThemeData(
-            colorScheme: ColorScheme.fromSeed(seedColor: Colors.blue),
+            colorScheme: ColorScheme.fromSeed(
+              seedColor: AppColors.ink,
+              primary: AppColors.ink,
+              secondary: AppColors.pumpkin,
+              surface: AppColors.ivory,
+            ),
             useMaterial3: true,
+            fontFamily: 'Roboto',
           ),
           initialRoute: AppPages.initial,
           getPages: AppPages.routes,

lib/pages/home/home_page.dart

@@ -4,6 +4,8 @@ import 'package:get/get.dart';
 import 'package:gobang/components/game_action_bar.dart';
 import 'package:gobang/components/game_status_text.dart';
 import 'package:gobang/controllers/game_controller.dart';
+import 'package:gobang/routes/app_routes.dart';
+import 'package:gobang/themes/app_colors.dart';
 import 'package:gobang/widgets/gobang_board.dart';
 
 class HomePage extends GetView<GameController> {
@@ -12,48 +14,86 @@ class HomePage extends GetView<GameController> {
   @override
   Widget build(BuildContext context) {
     return Obx(() {
-      final themeColor = controller.themeColor;
-      // 订阅形状切换，刷新 AppBar icon
+      final theme = controller.themeFactory.value.getTheme();
       final _ = controller.useCircle.value;
-      final boardSize = (1.sw * 0.8).clamp(0.0, 1.sh * 0.55);
+      final boardSize = (1.sw * 0.82).clamp(0.0, 1.sh * 0.52);
+      final isDark = theme.isDark;
 
       return Scaffold(
+        extendBodyBehindAppBar: true,
         appBar: AppBar(
           elevation: 0,
-          backgroundColor: themeColor,
-          title: const Text('南瓜五子棋'),
+          backgroundColor: Colors.transparent,
+          foregroundColor: AppColors.ivory,
+          title: Text(
+            '南瓜五子棋',
+            style: TextStyle(
+              fontWeight: FontWeight.w800,
+              fontSize: 22.sp,
+              letterSpacing: 0.6,
+            ),
+          ),
           actions: [
-            IconButton(
+            _GlassIconButton(
               onPressed: controller.toggleTheme,
               icon: controller.currentLight,
             ),
-            IconButton(
+            _GlassIconButton(
               onPressed: controller.toggleShape,
               icon: controller.currentShape,
             ),
+            _GlassIconButton(
+              onPressed: () => Get.toNamed(AppRoutes.settings),
+              icon: const Icon(Icons.tune_rounded, color: AppColors.ivory),
+            ),
+            SizedBox(width: 8.w),
           ],
         ),
         body: Container(
           width: double.infinity,
           decoration: BoxDecoration(
             gradient: LinearGradient(
-              colors: [themeColor, Colors.white],
+              colors: theme.gradient,
               begin: Alignment.topCenter,
               end: Alignment.bottomCenter,
+              stops: const [0, 0.42, 1],
             ),
           ),
           child: SafeArea(
             child: SingleChildScrollView(
-              padding: EdgeInsets.symmetric(vertical: 16.h),
+              padding: EdgeInsets.fromLTRB(20.w, 8.h, 20.w, 24.h),
               child: Column(
                 children: [
-                  Padding(
-                    padding: EdgeInsets.only(bottom: 20.h),
-                    child: const GameStatusText(),
+                  const GameStatusText(),
+                  SizedBox(height: 20.h),
+                  Container(
+                    padding: EdgeInsets.all(16.w),
+                    decoration: BoxDecoration(
+                      color: isDark ? AppColors.darkSurface : AppColors.ivory,
+                      borderRadius: BorderRadius.circular(24.r),
+                      boxShadow: [
+                        BoxShadow(
+                          color: AppColors.ink.withValues(alpha: 0.28),
+                          blurRadius: 28,
+                          offset: const Offset(0, 12),
+                          spreadRadius: -4,
+                        ),
+                      ],
+                    ),
+                    child: GobangBoard(size: boardSize.toDouble()),
                   ),
-                  GobangBoard(size: boardSize.toDouble()),
-                  SizedBox(height: 16.h),
+                  SizedBox(height: 20.h),
                   const GameActionBar(),
+                  SizedBox(height: 12.h),
+                  Text(
+                    '你执白 · AI 执黑',
+                    style: TextStyle(
+                      color: isDark
+                          ? AppColors.muted
+                          : AppColors.muted.withValues(alpha: 0.9),
+                      fontSize: 12.sp,
+                    ),
+                  ),
                 ],
               ),
             ),
@@ -63,3 +103,30 @@ class HomePage extends GetView<GameController> {
     });
   }
 }
+
+class _GlassIconButton extends StatelessWidget {
+  const _GlassIconButton({required this.onPressed, required this.icon});
+
+  final VoidCallback onPressed;
+  final Widget icon;
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: EdgeInsets.symmetric(horizontal: 2.w),
+      child: Material(
+        color: Colors.white.withValues(alpha: 0.18),
+        borderRadius: BorderRadius.circular(12.r),
+        child: InkWell(
+          onTap: onPressed,
+          borderRadius: BorderRadius.circular(12.r),
+          child: SizedBox(
+            width: 40.w,
+            height: 40.w,
+            child: Center(child: icon),
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/pages/settings/settings_page.dart

@@ -0,0 +1,226 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:get/get.dart';
+import 'package:gobang/controllers/game_controller.dart';
+import 'package:gobang/themes/app_colors.dart';
+import 'package:gobang/themes/black_theme_factory.dart';
+
+class SettingsPage extends StatelessWidget {
+  const SettingsPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final c = Get.find<GameController>();
+    return Scaffold(
+      body: Container(
+        width: double.infinity,
+        decoration: const BoxDecoration(
+          gradient: LinearGradient(
+            begin: Alignment.topCenter,
+            end: Alignment.bottomCenter,
+            colors: [AppColors.ink, AppColors.mist],
+          ),
+        ),
+        child: SafeArea(
+          child: Padding(
+            padding: EdgeInsets.fromLTRB(24.w, 16.h, 24.w, 24.h),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Row(
+                  children: [
+                    IconButton(
+                      onPressed: Get.back,
+                      icon: const Icon(Icons.arrow_back_ios_new_rounded,
+                          color: AppColors.ivory),
+                    ),
+                    Text(
+                      '设置 · 样式',
+                      style: TextStyle(
+                        color: AppColors.ivory,
+                        fontSize: 26.sp,
+                        fontWeight: FontWeight.w800,
+                      ),
+                    ),
+                  ],
+                ),
+                SizedBox(height: 6.h),
+                Text(
+                  '主题 / 棋子 / 特效',
+                  style: TextStyle(
+                    color: AppColors.ivory.withValues(alpha: 0.7),
+                    fontSize: 13.sp,
+                  ),
+                ),
+                SizedBox(height: 20.h),
+                Obx(() {
+                  final isDark = c.themeFactory.value is BlackThemeFactory;
+                  final circle = c.useCircle.value;
+                  return Column(
+                    children: [
+                      _Card(
+                        title: '主题色',
+                        child: Row(
+                          children: [
+                            _Swatch(
+                              color: AppColors.ink,
+                              selected: !isDark,
+                              onTap: () {
+                                if (isDark) c.toggleTheme();
+                              },
+                            ),
+                            SizedBox(width: 12.w),
+                            _Swatch(
+                              color: AppColors.darkBg,
+                              selected: isDark,
+                              onTap: () {
+                                if (!isDark) c.toggleTheme();
+                              },
+                            ),
+                            SizedBox(width: 12.w),
+                            const _Swatch(color: AppColors.pumpkin),
+                            SizedBox(width: 12.w),
+                            const _Swatch(color: AppColors.inkMid),
+                          ],
+                        ),
+                      ),
+                      SizedBox(height: 14.h),
+                      _Card(
+                        title: '棋子形状',
+                        child: Row(
+                          children: [
+                            _Chip(
+                              label: '圆形',
+                              selected: circle,
+                              onTap: () {
+                                if (!circle) c.toggleShape();
+                              },
+                            ),
+                            SizedBox(width: 12.w),
+                            _Chip(
+                              label: '方形',
+                              selected: !circle,
+                              onTap: () {
+                                if (circle) c.toggleShape();
+                              },
+                            ),
+                          ],
+                        ),
+                      ),
+                      SizedBox(height: 14.h),
+                      const _Card(
+                        title: '动效',
+                        child: Text(
+                          '落子缩放 · 脉冲高亮 · 胜负弹窗',
+                          style: TextStyle(
+                            color: Color(0xFF5A736A),
+                            fontSize: 13,
+                          ),
+                        ),
+                      ),
+                    ],
+                  );
+                }),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class _Card extends StatelessWidget {
+  const _Card({required this.title, required this.child});
+
+  final String title;
+  final Widget child;
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      width: double.infinity,
+      padding: EdgeInsets.all(18.w),
+      decoration: BoxDecoration(
+        color: AppColors.ivory,
+        borderRadius: BorderRadius.circular(20.r),
+      ),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(
+            title,
+            style: TextStyle(
+              color: AppColors.ink,
+              fontSize: 15.sp,
+              fontWeight: FontWeight.w700,
+            ),
+          ),
+          SizedBox(height: 12.h),
+          child,
+        ],
+      ),
+    );
+  }
+}
+
+class _Swatch extends StatelessWidget {
+  const _Swatch({required this.color, this.selected = false, this.onTap});
+
+  final Color color;
+  final bool selected;
+  final VoidCallback? onTap;
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: onTap,
+      child: Container(
+        width: 36.w,
+        height: 36.w,
+        decoration: BoxDecoration(
+          color: color,
+          shape: BoxShape.circle,
+          border: Border.all(
+            color: selected ? AppColors.pumpkin : Colors.white54,
+            width: selected ? 3 : 1,
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class _Chip extends StatelessWidget {
+  const _Chip({
+    required this.label,
+    required this.selected,
+    required this.onTap,
+  });
+
+  final String label;
+  final bool selected;
+  final VoidCallback onTap;
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: onTap,
+      child: Container(
+        padding: EdgeInsets.symmetric(horizontal: 16.w, vertical: 10.h),
+        decoration: BoxDecoration(
+          color: selected ? AppColors.ink : AppColors.mist,
+          borderRadius: BorderRadius.circular(12.r),
+        ),
+        child: Text(
+          label,
+          style: TextStyle(
+            color: selected ? AppColors.ivory : AppColors.ink,
+            fontWeight: FontWeight.w600,
+            fontSize: 13.sp,
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/pages/splash/splash_page.dart

@@ -0,0 +1,114 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:get/get.dart';
+import 'package:gobang/themes/app_colors.dart';
+import 'package:gobang/routes/app_routes.dart';
+
+class SplashPage extends StatefulWidget {
+  const SplashPage({super.key});
+
+  @override
+  State<SplashPage> createState() => _SplashPageState();
+}
+
+class _SplashPageState extends State<SplashPage>
+    with SingleTickerProviderStateMixin {
+  late final AnimationController _c;
+  late final Animation<double> _fade;
+  late final Animation<double> _scale;
+
+  @override
+  void initState() {
+    super.initState();
+    _c = AnimationController(
+      vsync: this,
+      duration: const Duration(milliseconds: 900),
+    );
+    _fade = CurvedAnimation(parent: _c, curve: Curves.easeOut);
+    _scale = Tween(begin: 0.86, end: 1.0).animate(
+      CurvedAnimation(parent: _c, curve: Curves.easeOutBack),
+    );
+    _c.forward();
+    Future.delayed(const Duration(milliseconds: 1400), () {
+      if (mounted) Get.offNamed(AppRoutes.home);
+    });
+  }
+
+  @override
+  void dispose() {
+    _c.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return AnnotatedRegion<SystemUiOverlayStyle>(
+      value: SystemUiOverlayStyle.light,
+      child: Scaffold(
+        body: Container(
+          width: double.infinity,
+          decoration: const BoxDecoration(
+            gradient: LinearGradient(
+              begin: Alignment.topLeft,
+              end: Alignment.bottomRight,
+              colors: [
+                Color(0xFF0A2F28),
+                AppColors.ink,
+                AppColors.pumpkin,
+              ],
+              stops: [0, 0.55, 1],
+            ),
+          ),
+          child: FadeTransition(
+            opacity: _fade,
+            child: ScaleTransition(
+              scale: _scale,
+              child: Column(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  Container(
+                    width: 108,
+                    height: 108,
+                    decoration: BoxDecoration(
+                      shape: BoxShape.circle,
+                      gradient: const LinearGradient(
+                        begin: Alignment.topLeft,
+                        end: Alignment.bottomRight,
+                        colors: [AppColors.pumpkinSoft, AppColors.pumpkin],
+                      ),
+                      boxShadow: [
+                        BoxShadow(
+                          color: Colors.black.withValues(alpha: 0.35),
+                          blurRadius: 28,
+                          offset: const Offset(0, 12),
+                        ),
+                      ],
+                    ),
+                  ),
+                  const SizedBox(height: 28),
+                  const Text(
+                    '南瓜五子棋',
+                    style: TextStyle(
+                      color: AppColors.ivory,
+                      fontSize: 34,
+                      fontWeight: FontWeight.w800,
+                      letterSpacing: 1.2,
+                    ),
+                  ),
+                  const SizedBox(height: 10),
+                  Text(
+                    '对决决策树 · 落子有声',
+                    style: TextStyle(
+                      color: AppColors.ivory.withValues(alpha: 0.72),
+                      fontSize: 14,
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/routes/app_pages.dart

@@ -1,18 +1,30 @@
 import 'package:get/get.dart';
 import 'package:gobang/controllers/game_controller.dart';
 import 'package:gobang/pages/home/home_page.dart';
+import 'package:gobang/pages/settings/settings_page.dart';
+import 'package:gobang/pages/splash/splash_page.dart';
 import 'package:gobang/routes/app_routes.dart';
 
 class AppPages {
-  static const initial = AppRoutes.home;
+  static const initial = AppRoutes.splash;
 
   static final routes = <GetPage<dynamic>>[
+    GetPage(
+      name: AppRoutes.splash,
+      page: () => const SplashPage(),
+    ),
     GetPage(
       name: AppRoutes.home,
       page: () => const HomePage(),
       binding: BindingsBuilder(() {
         Get.lazyPut(GameController.new);
       }),
+      transition: Transition.fadeIn,
+    ),
+    GetPage(
+      name: AppRoutes.settings,
+      page: () => const SettingsPage(),
+      transition: Transition.cupertino,
     ),
   ];
 }

lib/routes/app_routes.dart

@@ -1,4 +1,6 @@
 /// 路由名常量
 abstract class AppRoutes {
+  static const splash = '/';
   static const home = '/home';
+  static const settings = '/settings';
 }

lib/themes/app_colors.dart

@@ -0,0 +1,21 @@
+import 'package:flutter/material.dart';
+
+/// 南瓜五子棋设计 Token
+abstract class AppColors {
+  static const ink = Color(0xFF0E3B32);
+  static const inkMid = Color(0xFF1A5C4A);
+  static const mist = Color(0xFFEAF3EF);
+  static const ivory = Color(0xFFFFF8F0);
+  static const pumpkin = Color(0xFFE87A2E);
+  static const pumpkinSoft = Color(0xFFFFB05C);
+  static const gold = Color(0xFFFFC857);
+  static const woodLight = Color(0xFFE0B88A);
+  static const woodMid = Color(0xFFC9955E);
+  static const woodDark = Color(0xFFB07A45);
+  static const boardTint = Color(0x77CDB175);
+  static const lastMark = Color(0xFFE53935);
+  static const muted = Color(0xFF6A8A80);
+  static const darkBg = Color(0xFF070D10);
+  static const darkSurface = Color(0xFF1A2420);
+  static const darkCard = Color(0xFF1F2A26);
+}

lib/themes/app_theme.dart

@@ -2,4 +2,12 @@ import 'dart:ui';
 
 abstract class AppTheme {
   Color getThemeColor();
+
+  Color getSurface() => const Color(0xFFFFF8F0);
+
+  Color getOnPrimary() => const Color(0xFFFFF8F0);
+
+  List<Color> get gradient => [getThemeColor(), const Color(0xFFFFFFFF)];
+
+  bool get isDark => false;
 }

lib/themes/black_theme.dart

@@ -1,8 +1,11 @@
 import 'package:flutter/material.dart';
+import 'package:gobang/themes/app_theme.dart';
 
-import 'app_theme.dart';
-
+/// 兼容旧黑主题
 class BlackTheme extends AppTheme {
   @override
   Color getThemeColor() => Colors.black;
+
+  @override
+  bool get isDark => true;
 }

lib/themes/black_theme_factory.dart

@@ -1,8 +1,8 @@
-import 'app_theme.dart';
-import 'black_theme.dart';
-import 'theme_factory.dart';
+import 'package:gobang/themes/app_theme.dart';
+import 'package:gobang/themes/lacquer_theme.dart';
+import 'package:gobang/themes/theme_factory.dart';
 
 class BlackThemeFactory extends ThemeFactory {
   @override
-  AppTheme getTheme() => BlackTheme();
+  AppTheme getTheme() => InkDarkTheme();
 }

lib/themes/blue_theme.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
+import 'package:gobang/themes/app_theme.dart';
 
-import 'app_theme.dart';
-
+/// 兼容旧蓝主题
 class BlueTheme extends AppTheme {
   @override
   Color getThemeColor() => Colors.blue;

lib/themes/blue_theme_factory.dart

@@ -1,8 +1,8 @@
-import 'app_theme.dart';
-import 'blue_theme.dart';
-import 'theme_factory.dart';
+import 'package:gobang/themes/app_theme.dart';
+import 'package:gobang/themes/lacquer_theme.dart';
+import 'package:gobang/themes/theme_factory.dart';
 
 class BlueThemeFactory extends ThemeFactory {
   @override
-  AppTheme getTheme() => BlueTheme();
+  AppTheme getTheme() => LacquerTheme();
 }

lib/themes/lacquer_theme.dart

@@ -0,0 +1,45 @@
+import 'package:flutter/material.dart';
+import 'package:gobang/themes/app_colors.dart';
+import 'package:gobang/themes/app_theme.dart';
+
+class LacquerTheme extends AppTheme {
+  @override
+  Color getThemeColor() => AppColors.ink;
+
+  @override
+  Color getSurface() => AppColors.ivory;
+
+  @override
+  Color getOnPrimary() => AppColors.ivory;
+
+  @override
+  List<Color> get gradient => const [
+        AppColors.ink,
+        AppColors.inkMid,
+        AppColors.mist,
+      ];
+
+  @override
+  bool get isDark => false;
+}
+
+class InkDarkTheme extends AppTheme {
+  @override
+  Color getThemeColor() => AppColors.darkBg;
+
+  @override
+  Color getSurface() => AppColors.darkSurface;
+
+  @override
+  Color getOnPrimary() => AppColors.ivory;
+
+  @override
+  List<Color> get gradient => const [
+        AppColors.darkBg,
+        Color(0xFF0F1C24),
+        Color(0xFF1A2E28),
+      ];
+
+  @override
+  bool get isDark => true;
+}

lib/themes/lacquer_theme_factory.dart

@@ -0,0 +1,13 @@
+import 'package:gobang/themes/app_theme.dart';
+import 'package:gobang/themes/lacquer_theme.dart';
+import 'package:gobang/themes/theme_factory.dart';
+
+class LacquerThemeFactory extends ThemeFactory {
+  @override
+  AppTheme getTheme() => LacquerTheme();
+}
+
+class InkDarkThemeFactory extends ThemeFactory {
+  @override
+  AppTheme getTheme() => InkDarkTheme();
+}

lib/themes/theme_factory.dart

@@ -1,4 +1,4 @@
-import 'app_theme.dart';
+import 'package:gobang/themes/app_theme.dart';
 
 abstract class ThemeFactory {
   AppTheme getTheme();

lib/utils/tips_dialog.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
+import 'package:gobang/themes/app_colors.dart';
 
 class TipsDialog {
   static Future<void> show(
@@ -7,21 +8,102 @@ class TipsDialog {
     String title,
     String tips,
   ) {
-    return showDialog<void>(
+    return showGeneralDialog<void>(
       context: context,
       barrierDismissible: false,
-      builder: (context) {
-        return AlertDialog(
-          title: Text(title),
-          content: SingleChildScrollView(
-            child: ListBody(children: [Text(tips)]),
-          ),
-          actions: [
-            TextButton(
-              child: const Text('确定'),
-              onPressed: () => Navigator.of(context).pop(),
+      barrierLabel: 'dialog',
+      barrierColor: const Color(0xB0070D10),
+      transitionDuration: const Duration(milliseconds: 280),
+      pageBuilder: (ctx, a1, a2) {
+        return const SizedBox.shrink();
+      },
+      transitionBuilder: (ctx, anim, _, __) {
+        final curved = CurvedAnimation(parent: anim, curve: Curves.easeOutBack);
+        return FadeTransition(
+          opacity: anim,
+          child: ScaleTransition(
+            scale: Tween(begin: 0.88, end: 1.0).animate(curved),
+            child: Center(
+              child: Material(
+                color: Colors.transparent,
+                child: Container(
+                  width: MediaQuery.of(ctx).size.width * 0.82,
+                  padding: const EdgeInsets.fromLTRB(24, 28, 24, 20),
+                  decoration: BoxDecoration(
+                    color: AppColors.ivory,
+                    borderRadius: BorderRadius.circular(28),
+                    boxShadow: [
+                      BoxShadow(
+                        color: Colors.black.withValues(alpha: 0.28),
+                        blurRadius: 40,
+                        offset: const Offset(0, 16),
+                      ),
+                    ],
+                  ),
+                  child: Column(
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      Container(
+                        width: 64,
+                        height: 64,
+                        decoration: BoxDecoration(
+                          shape: BoxShape.circle,
+                          gradient: LinearGradient(
+                            colors: title.contains('恭喜')
+                                ? const [
+                                    AppColors.pumpkinSoft,
+                                    AppColors.pumpkin,
+                                  ]
+                                : const [Color(0xFF4A4A4A), Color(0xFF1A1A1A)],
+                          ),
+                        ),
+                      ),
+                      const SizedBox(height: 16),
+                      Text(
+                        title,
+                        style: const TextStyle(
+                          color: AppColors.ink,
+                          fontSize: 24,
+                          fontWeight: FontWeight.w800,
+                        ),
+                      ),
+                      const SizedBox(height: 8),
+                      Text(
+                        tips,
+                        textAlign: TextAlign.center,
+                        style: const TextStyle(
+                          color: Color(0xFF5A736A),
+                          fontSize: 14,
+                          height: 1.4,
+                        ),
+                      ),
+                      const SizedBox(height: 20),
+                      SizedBox(
+                        width: double.infinity,
+                        child: FilledButton(
+                          style: FilledButton.styleFrom(
+                            backgroundColor: title.contains('恭喜')
+                                ? AppColors.ink
+                                : AppColors.pumpkin,
+                            foregroundColor: AppColors.ivory,
+                            padding: const EdgeInsets.symmetric(vertical: 14),
+                            shape: RoundedRectangleBorder(
+                              borderRadius: BorderRadius.circular(14),
+                            ),
+                          ),
+                          onPressed: () => Navigator.of(ctx).pop(),
+                          child: Text(
+                            title.contains('恭喜') ? '再来一局' : '确定',
+                            style: const TextStyle(fontWeight: FontWeight.w700),
+                          ),
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ),
             ),
-          ],
+          ),
         );
       },
     );
@@ -34,25 +116,94 @@ class TipsDialog {
     String yes,
     String no,
   ) {
-    return showDialog<bool>(
+    return showGeneralDialog<bool>(
       context: context,
       barrierDismissible: false,
-      builder: (context) {
-        return AlertDialog(
-          title: Text(title),
-          content: SingleChildScrollView(
-            child: ListBody(children: [Text(tips)]),
-          ),
-          actions: [
-            TextButton(
-              child: Text(no),
-              onPressed: () => Navigator.of(context).pop(false),
+      barrierLabel: 'choose',
+      barrierColor: const Color(0x99070D10),
+      transitionDuration: const Duration(milliseconds: 240),
+      pageBuilder: (ctx, a1, a2) => const SizedBox.shrink(),
+      transitionBuilder: (ctx, anim, _, __) {
+        return FadeTransition(
+          opacity: anim,
+          child: ScaleTransition(
+            scale: Tween(begin: 0.92, end: 1.0).animate(
+              CurvedAnimation(parent: anim, curve: Curves.easeOutCubic),
             ),
-            TextButton(
-              child: Text(yes),
-              onPressed: () => Navigator.of(context).pop(true),
+            child: Center(
+              child: Material(
+                color: Colors.transparent,
+                child: Container(
+                  width: MediaQuery.of(ctx).size.width * 0.8,
+                  padding: const EdgeInsets.all(24),
+                  decoration: BoxDecoration(
+                    color: AppColors.ivory,
+                    borderRadius: BorderRadius.circular(24),
+                  ),
+                  child: Column(
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      Text(
+                        title,
+                        style: const TextStyle(
+                          color: AppColors.ink,
+                          fontSize: 20,
+                          fontWeight: FontWeight.w800,
+                        ),
+                      ),
+                      const SizedBox(height: 10),
+                      Text(
+                        tips,
+                        textAlign: TextAlign.center,
+                        style: const TextStyle(
+                          color: Color(0xFF5A736A),
+                          fontSize: 14,
+                        ),
+                      ),
+                      const SizedBox(height: 20),
+                      Row(
+                        children: [
+                          Expanded(
+                            child: TextButton(
+                              style: TextButton.styleFrom(
+                                backgroundColor: AppColors.mist,
+                                foregroundColor: AppColors.ink,
+                                padding:
+                                    const EdgeInsets.symmetric(vertical: 12),
+                                shape: RoundedRectangleBorder(
+                                  borderRadius: BorderRadius.circular(12),
+                                ),
+                              ),
+                              onPressed: () => Navigator.of(ctx).pop(false),
+                              child: Text(no),
+                            ),
+                          ),
+                          const SizedBox(width: 12),
+                          Expanded(
+                            child: FilledButton(
+                              style: FilledButton.styleFrom(
+                                backgroundColor: title.contains('投降')
+                                    ? AppColors.pumpkin
+                                    : AppColors.ink,
+                                foregroundColor: AppColors.ivory,
+                                padding:
+                                    const EdgeInsets.symmetric(vertical: 12),
+                                shape: RoundedRectangleBorder(
+                                  borderRadius: BorderRadius.circular(12),
+                                ),
+                              ),
+                              onPressed: () => Navigator.of(ctx).pop(true),
+                              child: Text(yes),
+                            ),
+                          ),
+                        ],
+                      ),
+                    ],
+                  ),
+                ),
+              ),
             ),
-          ],
+          ),
         );
       },
     );

lib/widgets/board_painter.dart

@@ -1,5 +1,7 @@
-import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:gobang/models/chess.dart';
 import 'package:gobang/models/position.dart';
+import 'package:gobang/themes/app_colors.dart';
 import 'package:gobang/utils/constants.dart';
 
 /// 棋盘 + 棋子绘制；最后一手支持缩放入场与高亮光圈。
@@ -19,15 +21,26 @@ class BoardPainter extends CustomPainter {
   @override
   void paint(Canvas canvas, Size size) {
     final cell = size.width / (kBoardSize - 1);
+
     final bg = Paint()
-      ..isAntiAlias = true
-      ..style = PaintingStyle.fill
-      ..color = const Color(0x77cdb175);
-    canvas.drawRect(Offset.zero & size, bg);
+      ..shader = const LinearGradient(
+        begin: Alignment.topLeft,
+        end: Alignment.bottomRight,
+        colors: [
+          AppColors.woodLight,
+          AppColors.woodMid,
+          AppColors.woodDark,
+        ],
+      ).createShader(Offset.zero & size);
+    final rrect = RRect.fromRectAndRadius(
+      Offset.zero & size,
+      const Radius.circular(12),
+    );
+    canvas.drawRRect(rrect, bg);
 
     final line = Paint()
       ..style = PaintingStyle.stroke
-      ..color = CupertinoColors.systemGrey6
+      ..color = const Color(0x66FFFFFF)
       ..strokeWidth = 1;
     for (var i = 0; i < kBoardSize; i++) {
       final o = cell * i;
@@ -35,6 +48,22 @@ class BoardPainter extends CustomPainter {
       canvas.drawLine(Offset(o, 0), Offset(o, size.height), line);
     }
 
+    // 星位
+    final star = Paint()..color = const Color(0xFF3D2B1F);
+    for (final p in const [
+      Offset(3, 3),
+      Offset(3, 11),
+      Offset(7, 7),
+      Offset(11, 3),
+      Offset(11, 11),
+    ]) {
+      canvas.drawCircle(
+        Offset(p.dx * cell, p.dy * cell),
+        3,
+        star,
+      );
+    }
+
     final radius = cell / 2 - 2;
     final fill = Paint()..style = PaintingStyle.fill;
     final lastIndex = pieces.length - 1;
@@ -50,27 +79,45 @@ class BoardPainter extends CustomPainter {
         final ring = Paint()
           ..style = PaintingStyle.stroke
           ..strokeWidth = 2.5
-          ..color = const Color(0xE0E53935).withValues(
+          ..color = AppColors.lastMark.withValues(
             alpha: 0.85 * lastMovePulse,
           );
         canvas.drawCircle(center, radius * (1.15 + 0.45 * lastMovePulse), ring);
       }
 
-      fill.color = p.chess.color;
+      // 棋子阴影
+      canvas.drawCircle(
+        center.translate(1.2, 1.8),
+        r,
+        Paint()..color = const Color(0x44000000),
+      );
+
+      final isWhite = p.chess is WhiteChess;
+      fill.shader = RadialGradient(
+        center: const Alignment(-0.35, -0.4),
+        radius: 0.95,
+        colors: isWhite
+            ? const [Color(0xFFFFFFFF), Color(0xFFD8D8D8)]
+            : const [Color(0xFF4A4A4A), Color(0xFF111111)],
+      ).createShader(Rect.fromCircle(center: center, radius: r));
+
       if (p.chessShape.shape == 1) {
         canvas.drawCircle(center, r, fill);
       } else {
-        canvas.drawRect(
-          Rect.fromCircle(center: center, radius: r),
+        canvas.drawRRect(
+          RRect.fromRectAndRadius(
+            Rect.fromCircle(center: center, radius: r),
+            Radius.circular(r * 0.2),
+          ),
           fill,
         );
       }
+      fill.shader = null;
 
-      // 最后一手中心小三角标记，方便辨认落点
       if (isLast && scale > 0.85) {
         final mark = Paint()
           ..style = PaintingStyle.fill
-          ..color = const Color(0xFFE53935);
+          ..color = AppColors.lastMark;
         final s = radius * 0.28;
         final path = Path()
           ..moveTo(center.dx, center.dy - s)

macos/.gitignore

@@ -0,0 +1,7 @@
+# Flutter-related
+**/Flutter/ephemeral/
+**/Pods/
+
+# Xcode-related
+**/dgph
+**/xcuserdata/

macos/Flutter/Flutter-Debug.xcconfig

@@ -0,0 +1 @@
+#include "ephemeral/Flutter-Generated.xcconfig"

macos/Flutter/Flutter-Release.xcconfig

@@ -0,0 +1 @@
+#include "ephemeral/Flutter-Generated.xcconfig"

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -0,0 +1,18 @@
+//
+//  Generated file. Do not edit.
+//
+
+import FlutterMacOS
+import Foundation
+
+import connectivity_plus
+import device_info_plus
+import package_info_plus
+import shared_preferences_foundation
+
+func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  ConnectivityPlusPlugin.register(with: registry.registrar(forPlugin: "ConnectivityPlusPlugin"))
+  DeviceInfoPlusMacosPlugin.register(with: registry.registrar(forPlugin: "DeviceInfoPlusMacosPlugin"))
+  FPPPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FPPPackageInfoPlusPlugin"))
+  SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
+}

macos/Runner.xcodeproj/project.pbxproj

@@ -0,0 +1,705 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 54;
+	objects = {
+
+/* Begin PBXAggregateTarget section */
+		33CC111A2044C6BA0003C045 /* Flutter Assemble */ = {
+			isa = PBXAggregateTarget;
+			buildConfigurationList = 33CC111B2044C6BA0003C045 /* Build configuration list for PBXAggregateTarget "Flutter Assemble" */;
+			buildPhases = (
+				33CC111E2044C6BF0003C045 /* ShellScript */,
+			);
+			dependencies = (
+			);
+			name = "Flutter Assemble";
+			productName = FLX;
+		};
+/* End PBXAggregateTarget section */
+
+/* Begin PBXBuildFile section */
+		331C80D8294CF71000263BE5 /* RunnerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 331C80D7294CF71000263BE5 /* RunnerTests.swift */; };
+		335BBD1B22A9A15E00E9071D /* GeneratedPluginRegistrant.swift in Sources */ = {isa = PBXBuildFile; fileRef = 335BBD1A22A9A15E00E9071D /* GeneratedPluginRegistrant.swift */; };
+		33CC10F12044A3C60003C045 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33CC10F02044A3C60003C045 /* AppDelegate.swift */; };
+		33CC10F32044A3C60003C045 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 33CC10F22044A3C60003C045 /* Assets.xcassets */; };
+		33CC10F62044A3C60003C045 /* MainMenu.xib in Resources */ = {isa = PBXBuildFile; fileRef = 33CC10F42044A3C60003C045 /* MainMenu.xib */; };
+		33CC11132044BFA00003C045 /* MainFlutterWindow.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33CC11122044BFA00003C045 /* MainFlutterWindow.swift */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXContainerItemProxy section */
+		331C80D9294CF71000263BE5 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 33CC10E52044A3C60003C045 /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 33CC10EC2044A3C60003C045;
+			remoteInfo = Runner;
+		};
+		33CC111F2044C79F0003C045 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 33CC10E52044A3C60003C045 /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 33CC111A2044C6BA0003C045;
+			remoteInfo = FLX;
+		};
+/* End PBXContainerItemProxy section */
+
+/* Begin PBXCopyFilesBuildPhase section */
+		33CC110E2044A8840003C045 /* Bundle Framework */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "";
+			dstSubfolderSpec = 10;
+			files = (
+			);
+			name = "Bundle Framework";
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
+/* Begin PBXFileReference section */
+		331C80D5294CF71000263BE5 /* RunnerTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = RunnerTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
+		331C80D7294CF71000263BE5 /* RunnerTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RunnerTests.swift; sourceTree = "<group>"; };
+		333000ED22D3DE5D00554162 /* Warnings.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Warnings.xcconfig; sourceTree = "<group>"; };
+		335BBD1A22A9A15E00E9071D /* GeneratedPluginRegistrant.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GeneratedPluginRegistrant.swift; sourceTree = "<group>"; };
+		33CC10ED2044A3C60003C045 /* gobang.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "gobang.app"; sourceTree = BUILT_PRODUCTS_DIR; };
+		33CC10F02044A3C60003C045 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
+		33CC10F22044A3C60003C045 /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; name = Assets.xcassets; path = Runner/Assets.xcassets; sourceTree = "<group>"; };
+		33CC10F52044A3C60003C045 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = Base.lproj/MainMenu.xib; sourceTree = "<group>"; };
+		33CC10F72044A3C60003C045 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; name = Info.plist; path = Runner/Info.plist; sourceTree = "<group>"; };
+		33CC11122044BFA00003C045 /* MainFlutterWindow.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MainFlutterWindow.swift; sourceTree = "<group>"; };
+		33CEB47222A05771004F2AC0 /* Flutter-Debug.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = "Flutter-Debug.xcconfig"; sourceTree = "<group>"; };
+		33CEB47422A05771004F2AC0 /* Flutter-Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = "Flutter-Release.xcconfig"; sourceTree = "<group>"; };
+		33CEB47722A0578A004F2AC0 /* Flutter-Generated.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = "Flutter-Generated.xcconfig"; path = "ephemeral/Flutter-Generated.xcconfig"; sourceTree = "<group>"; };
+		33E51913231747F40026EE4D /* DebugProfile.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = DebugProfile.entitlements; sourceTree = "<group>"; };
+		33E51914231749380026EE4D /* Release.entitlements */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.entitlements; path = Release.entitlements; sourceTree = "<group>"; };
+		33E5194F232828860026EE4D /* AppInfo.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = AppInfo.xcconfig; sourceTree = "<group>"; };
+		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Release.xcconfig; sourceTree = "<group>"; };
+		9740EEB21CF90195004384FC /* Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; path = Debug.xcconfig; sourceTree = "<group>"; };
+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
+		331C80D2294CF70F00263BE5 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+		33CC10EA2044A3C60003C045 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		331C80D6294CF71000263BE5 /* RunnerTests */ = {
+			isa = PBXGroup;
+			children = (
+				331C80D7294CF71000263BE5 /* RunnerTests.swift */,
+			);
+			path = RunnerTests;
+			sourceTree = "<group>";
+		};
+		33BA886A226E78AF003329D5 /* Configs */ = {
+			isa = PBXGroup;
+			children = (
+				33E5194F232828860026EE4D /* AppInfo.xcconfig */,
+				9740EEB21CF90195004384FC /* Debug.xcconfig */,
+				7AFA3C8E1D35360C0083082E /* Release.xcconfig */,
+				333000ED22D3DE5D00554162 /* Warnings.xcconfig */,
+			);
+			path = Configs;
+			sourceTree = "<group>";
+		};
+		33CC10E42044A3C60003C045 = {
+			isa = PBXGroup;
+			children = (
+				33FAB671232836740065AC1E /* Runner */,
+				33CEB47122A05771004F2AC0 /* Flutter */,
+				331C80D6294CF71000263BE5 /* RunnerTests */,
+				33CC10EE2044A3C60003C045 /* Products */,
+				D73912EC22F37F3D000D13A0 /* Frameworks */,
+			);
+			sourceTree = "<group>";
+		};
+		33CC10EE2044A3C60003C045 /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				33CC10ED2044A3C60003C045 /* gobang.app */,
+				331C80D5294CF71000263BE5 /* RunnerTests.xctest */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
+		33CC11242044D66E0003C045 /* Resources */ = {
+			isa = PBXGroup;
+			children = (
+				33CC10F22044A3C60003C045 /* Assets.xcassets */,
+				33CC10F42044A3C60003C045 /* MainMenu.xib */,
+				33CC10F72044A3C60003C045 /* Info.plist */,
+			);
+			name = Resources;
+			path = ..;
+			sourceTree = "<group>";
+		};
+		33CEB47122A05771004F2AC0 /* Flutter */ = {
+			isa = PBXGroup;
+			children = (
+				335BBD1A22A9A15E00E9071D /* GeneratedPluginRegistrant.swift */,
+				33CEB47222A05771004F2AC0 /* Flutter-Debug.xcconfig */,
+				33CEB47422A05771004F2AC0 /* Flutter-Release.xcconfig */,
+				33CEB47722A0578A004F2AC0 /* Flutter-Generated.xcconfig */,
+			);
+			path = Flutter;
+			sourceTree = "<group>";
+		};
+		33FAB671232836740065AC1E /* Runner */ = {
+			isa = PBXGroup;
+			children = (
+				33CC10F02044A3C60003C045 /* AppDelegate.swift */,
+				33CC11122044BFA00003C045 /* MainFlutterWindow.swift */,
+				33E51913231747F40026EE4D /* DebugProfile.entitlements */,
+				33E51914231749380026EE4D /* Release.entitlements */,
+				33CC11242044D66E0003C045 /* Resources */,
+				33BA886A226E78AF003329D5 /* Configs */,
+			);
+			path = Runner;
+			sourceTree = "<group>";
+		};
+		D73912EC22F37F3D000D13A0 /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
+/* End PBXGroup section */
+
+/* Begin PBXNativeTarget section */
+		331C80D4294CF70F00263BE5 /* RunnerTests */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 331C80DE294CF71000263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */;
+			buildPhases = (
+				331C80D1294CF70F00263BE5 /* Sources */,
+				331C80D2294CF70F00263BE5 /* Frameworks */,
+				331C80D3294CF70F00263BE5 /* Resources */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+				331C80DA294CF71000263BE5 /* PBXTargetDependency */,
+			);
+			name = RunnerTests;
+			productName = RunnerTests;
+			productReference = 331C80D5294CF71000263BE5 /* RunnerTests.xctest */;
+			productType = "com.apple.product-type.bundle.unit-test";
+		};
+		33CC10EC2044A3C60003C045 /* Runner */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 33CC10FB2044A3C60003C045 /* Build configuration list for PBXNativeTarget "Runner" */;
+			buildPhases = (
+				33CC10E92044A3C60003C045 /* Sources */,
+				33CC10EA2044A3C60003C045 /* Frameworks */,
+				33CC10EB2044A3C60003C045 /* Resources */,
+				33CC110E2044A8840003C045 /* Bundle Framework */,
+				3399D490228B24CF009A79C7 /* ShellScript */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+				33CC11202044C79F0003C045 /* PBXTargetDependency */,
+			);
+			name = Runner;
+			productName = Runner;
+			productReference = 33CC10ED2044A3C60003C045 /* gobang.app */;
+			productType = "com.apple.product-type.application";
+		};
+/* End PBXNativeTarget section */
+
+/* Begin PBXProject section */
+		33CC10E52044A3C60003C045 /* Project object */ = {
+			isa = PBXProject;
+			attributes = {
+				BuildIndependentTargetsInParallel = YES;
+				LastSwiftUpdateCheck = 0920;
+				LastUpgradeCheck = 1510;
+				ORGANIZATIONNAME = "";
+				TargetAttributes = {
+					331C80D4294CF70F00263BE5 = {
+						CreatedOnToolsVersion = 14.0;
+						TestTargetID = 33CC10EC2044A3C60003C045;
+					};
+					33CC10EC2044A3C60003C045 = {
+						CreatedOnToolsVersion = 9.2;
+						LastSwiftMigration = 1100;
+						ProvisioningStyle = Automatic;
+						SystemCapabilities = {
+							com.apple.Sandbox = {
+								enabled = 1;
+							};
+						};
+					};
+					33CC111A2044C6BA0003C045 = {
+						CreatedOnToolsVersion = 9.2;
+						ProvisioningStyle = Manual;
+					};
+				};
+			};
+			buildConfigurationList = 33CC10E82044A3C60003C045 /* Build configuration list for PBXProject "Runner" */;
+			compatibilityVersion = "Xcode 9.3";
+			developmentRegion = en;
+			hasScannedForEncodings = 0;
+			knownRegions = (
+				en,
+				Base,
+			);
+			mainGroup = 33CC10E42044A3C60003C045;
+			productRefGroup = 33CC10EE2044A3C60003C045 /* Products */;
+			projectDirPath = "";
+			projectRoot = "";
+			targets = (
+				33CC10EC2044A3C60003C045 /* Runner */,
+				331C80D4294CF70F00263BE5 /* RunnerTests */,
+				33CC111A2044C6BA0003C045 /* Flutter Assemble */,
+			);
+		};
+/* End PBXProject section */
+
+/* Begin PBXResourcesBuildPhase section */
+		331C80D3294CF70F00263BE5 /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+		33CC10EB2044A3C60003C045 /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				33CC10F32044A3C60003C045 /* Assets.xcassets in Resources */,
+				33CC10F62044A3C60003C045 /* MainMenu.xib in Resources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXResourcesBuildPhase section */
+
+/* Begin PBXShellScriptBuildPhase section */
+		3399D490228B24CF009A79C7 /* ShellScript */ = {
+			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+			);
+			outputFileListPaths = (
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "echo \"$PRODUCT_NAME.app\" > \"$PROJECT_DIR\"/Flutter/ephemeral/.app_filename && \"$FLUTTER_ROOT\"/packages/flutter_tools/bin/macos_assemble.sh embed\n";
+		};
+		33CC111E2044C6BF0003C045 /* ShellScript */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+				Flutter/ephemeral/FlutterInputs.xcfilelist,
+			);
+			inputPaths = (
+				Flutter/ephemeral/tripwire,
+			);
+			outputFileListPaths = (
+				Flutter/ephemeral/FlutterOutputs.xcfilelist,
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "\"$FLUTTER_ROOT\"/packages/flutter_tools/bin/macos_assemble.sh && touch Flutter/ephemeral/tripwire";
+		};
+/* End PBXShellScriptBuildPhase section */
+
+/* Begin PBXSourcesBuildPhase section */
+		331C80D1294CF70F00263BE5 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				331C80D8294CF71000263BE5 /* RunnerTests.swift in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+		33CC10E92044A3C60003C045 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				33CC11132044BFA00003C045 /* MainFlutterWindow.swift in Sources */,
+				33CC10F12044A3C60003C045 /* AppDelegate.swift in Sources */,
+				335BBD1B22A9A15E00E9071D /* GeneratedPluginRegistrant.swift in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXSourcesBuildPhase section */
+
+/* Begin PBXTargetDependency section */
+		331C80DA294CF71000263BE5 /* PBXTargetDependency */ = {
+			isa = PBXTargetDependency;
+			target = 33CC10EC2044A3C60003C045 /* Runner */;
+			targetProxy = 331C80D9294CF71000263BE5 /* PBXContainerItemProxy */;
+		};
+		33CC11202044C79F0003C045 /* PBXTargetDependency */ = {
+			isa = PBXTargetDependency;
+			target = 33CC111A2044C6BA0003C045 /* Flutter Assemble */;
+			targetProxy = 33CC111F2044C79F0003C045 /* PBXContainerItemProxy */;
+		};
+/* End PBXTargetDependency section */
+
+/* Begin PBXVariantGroup section */
+		33CC10F42044A3C60003C045 /* MainMenu.xib */ = {
+			isa = PBXVariantGroup;
+			children = (
+				33CC10F52044A3C60003C045 /* Base */,
+			);
+			name = MainMenu.xib;
+			path = Runner;
+			sourceTree = "<group>";
+		};
+/* End PBXVariantGroup section */
+
+/* Begin XCBuildConfiguration section */
+		331C80DB294CF71000263BE5 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CURRENT_PROJECT_VERSION = 1;
+				GENERATE_INFOPLIST_FILE = YES;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.gobang.RunnerTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/gobang.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/gobang";
+			};
+			name = Debug;
+		};
+		331C80DC294CF71000263BE5 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CURRENT_PROJECT_VERSION = 1;
+				GENERATE_INFOPLIST_FILE = YES;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.gobang.RunnerTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/gobang.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/gobang";
+			};
+			name = Release;
+		};
+		331C80DD294CF71000263BE5 /* Profile */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CURRENT_PROJECT_VERSION = 1;
+				GENERATE_INFOPLIST_FILE = YES;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.gobang.RunnerTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/gobang.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/gobang";
+			};
+			name = Profile;
+		};
+		338D0CE9231458BD00FA5F75 /* Profile */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES;
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CODE_SIGN_IDENTITY = "-";
+				COPY_PHASE_STRIP = NO;
+				DEAD_CODE_STRIPPING = YES;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = NO;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = macosx;
+				SWIFT_COMPILATION_MODE = wholemodule;
+				SWIFT_OPTIMIZATION_LEVEL = "-O";
+			};
+			name = Profile;
+		};
+		338D0CEA231458BD00FA5F75 /* Profile */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 33E5194F232828860026EE4D /* AppInfo.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_ENTITLEMENTS = Runner/DebugProfile.entitlements;
+				CODE_SIGN_STYLE = Automatic;
+				COMBINE_HIDPI_IMAGES = YES;
+				INFOPLIST_FILE = Runner/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+				);
+				PROVISIONING_PROFILE_SPECIFIER = "";
+				SWIFT_VERSION = 5.0;
+			};
+			name = Profile;
+		};
+		338D0CEB231458BD00FA5F75 /* Profile */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_STYLE = Manual;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Profile;
+		};
+		33CC10F92044A3C60003C045 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 9740EEB21CF90195004384FC /* Debug.xcconfig */;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES;
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CODE_SIGN_IDENTITY = "-";
+				COPY_PHASE_STRIP = NO;
+				DEAD_CODE_STRIPPING = YES;
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = NO;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MTL_ENABLE_DEBUG_INFO = YES;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = macosx;
+				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+			};
+			name = Debug;
+		};
+		33CC10FA2044A3C60003C045 /* Release */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES;
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CODE_SIGN_IDENTITY = "-";
+				COPY_PHASE_STRIP = NO;
+				DEAD_CODE_STRIPPING = YES;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = NO;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = macosx;
+				SWIFT_COMPILATION_MODE = wholemodule;
+				SWIFT_OPTIMIZATION_LEVEL = "-O";
+			};
+			name = Release;
+		};
+		33CC10FC2044A3C60003C045 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 33E5194F232828860026EE4D /* AppInfo.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_ENTITLEMENTS = Runner/DebugProfile.entitlements;
+				CODE_SIGN_STYLE = Automatic;
+				COMBINE_HIDPI_IMAGES = YES;
+				INFOPLIST_FILE = Runner/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+				);
+				PROVISIONING_PROFILE_SPECIFIER = "";
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
+			};
+			name = Debug;
+		};
+		33CC10FD2044A3C60003C045 /* Release */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 33E5194F232828860026EE4D /* AppInfo.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_ENTITLEMENTS = Runner/Release.entitlements;
+				CODE_SIGN_STYLE = Automatic;
+				COMBINE_HIDPI_IMAGES = YES;
+				INFOPLIST_FILE = Runner/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+				);
+				PROVISIONING_PROFILE_SPECIFIER = "";
+				SWIFT_VERSION = 5.0;
+			};
+			name = Release;
+		};
+		33CC111C2044C6BA0003C045 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_STYLE = Manual;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Debug;
+		};
+		33CC111D2044C6BA0003C045 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_STYLE = Automatic;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		331C80DE294CF71000263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				331C80DB294CF71000263BE5 /* Debug */,
+				331C80DC294CF71000263BE5 /* Release */,
+				331C80DD294CF71000263BE5 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		33CC10E82044A3C60003C045 /* Build configuration list for PBXProject "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				33CC10F92044A3C60003C045 /* Debug */,
+				33CC10FA2044A3C60003C045 /* Release */,
+				338D0CE9231458BD00FA5F75 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		33CC10FB2044A3C60003C045 /* Build configuration list for PBXNativeTarget "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				33CC10FC2044A3C60003C045 /* Debug */,
+				33CC10FD2044A3C60003C045 /* Release */,
+				338D0CEA231458BD00FA5F75 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		33CC111B2044C6BA0003C045 /* Build configuration list for PBXAggregateTarget "Flutter Assemble" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				33CC111C2044C6BA0003C045 /* Debug */,
+				33CC111D2044C6BA0003C045 /* Release */,
+				338D0CEB231458BD00FA5F75 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 33CC10E52044A3C60003C045 /* Project object */;
+}

macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1510"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+               BuildableName = "gobang.app"
+               BlueprintName = "Runner"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+            BuildableName = "gobang.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "331C80D4294CF70F00263BE5"
+               BuildableName = "RunnerTests.xctest"
+               BlueprintName = "RunnerTests"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      enableGPUValidationMode = "1"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+            BuildableName = "gobang.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Profile"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+            BuildableName = "gobang.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

macos/Runner.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+</Workspace>

macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

macos/Runner/AppDelegate.swift

@@ -0,0 +1,13 @@
+import Cocoa
+import FlutterMacOS
+
+@main
+class AppDelegate: FlutterAppDelegate {
+  override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
+    return true
+  }
+
+  override func applicationSupportsSecureRestorableState(_ app: NSApplication) -> Bool {
+    return true
+  }
+}

macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,68 @@
+{
+  "images" : [
+    {
+      "size" : "16x16",
+      "idiom" : "mac",
+      "filename" : "app_icon_16.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "16x16",
+      "idiom" : "mac",
+      "filename" : "app_icon_32.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "32x32",
+      "idiom" : "mac",
+      "filename" : "app_icon_32.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "32x32",
+      "idiom" : "mac",
+      "filename" : "app_icon_64.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "128x128",
+      "idiom" : "mac",
+      "filename" : "app_icon_128.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "128x128",
+      "idiom" : "mac",
+      "filename" : "app_icon_256.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "256x256",
+      "idiom" : "mac",
+      "filename" : "app_icon_256.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "256x256",
+      "idiom" : "mac",
+      "filename" : "app_icon_512.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "512x512",
+      "idiom" : "mac",
+      "filename" : "app_icon_512.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "512x512",
+      "idiom" : "mac",
+      "filename" : "app_icon_1024.png",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

macos/Runner/Base.lproj/MainMenu.xib

@@ -0,0 +1,343 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="14490.70" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+    <dependencies>
+        <deployment identifier="macosx"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="14490.70"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <customObject id="-2" userLabel="File's Owner" customClass="NSApplication">
+            <connections>
+                <outlet property="delegate" destination="Voe-Tx-rLC" id="GzC-gU-4Uq"/>
+            </connections>
+        </customObject>
+        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
+        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
+        <customObject id="Voe-Tx-rLC" customClass="AppDelegate" customModule="Runner" customModuleProvider="target">
+            <connections>
+                <outlet property="applicationMenu" destination="uQy-DD-JDr" id="XBo-yE-nKs"/>
+                <outlet property="mainFlutterWindow" destination="QvC-M9-y7g" id="gIp-Ho-8D9"/>
+            </connections>
+        </customObject>
+        <customObject id="YLy-65-1bz" customClass="NSFontManager"/>
+        <menu title="Main Menu" systemMenu="main" id="AYu-sK-qS6">
+            <items>
+                <menuItem title="APP_NAME" id="1Xt-HY-uBw">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="APP_NAME" systemMenu="apple" id="uQy-DD-JDr">
+                        <items>
+                            <menuItem title="About APP_NAME" id="5kV-Vb-QxS">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="orderFrontStandardAboutPanel:" target="-1" id="Exp-CZ-Vem"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="VOq-y0-SEH"/>
+                            <menuItem title="Preferences…" keyEquivalent="," id="BOF-NM-1cW"/>
+                            <menuItem isSeparatorItem="YES" id="wFC-TO-SCJ"/>
+                            <menuItem title="Services" id="NMo-om-nkz">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Services" systemMenu="services" id="hz9-B4-Xy5"/>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="4je-JR-u6R"/>
+                            <menuItem title="Hide APP_NAME" keyEquivalent="h" id="Olw-nP-bQN">
+                                <connections>
+                                    <action selector="hide:" target="-1" id="PnN-Uc-m68"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Hide Others" keyEquivalent="h" id="Vdr-fp-XzO">
+                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                <connections>
+                                    <action selector="hideOtherApplications:" target="-1" id="VT4-aY-XCT"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Show All" id="Kd2-mp-pUS">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="unhideAllApplications:" target="-1" id="Dhg-Le-xox"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="kCx-OE-vgT"/>
+                            <menuItem title="Quit APP_NAME" keyEquivalent="q" id="4sb-4s-VLi">
+                                <connections>
+                                    <action selector="terminate:" target="-1" id="Te7-pn-YzF"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Edit" id="5QF-Oa-p0T">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Edit" id="W48-6f-4Dl">
+                        <items>
+                            <menuItem title="Undo" keyEquivalent="z" id="dRJ-4n-Yzg">
+                                <connections>
+                                    <action selector="undo:" target="-1" id="M6e-cu-g7V"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Redo" keyEquivalent="Z" id="6dh-zS-Vam">
+                                <connections>
+                                    <action selector="redo:" target="-1" id="oIA-Rs-6OD"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="WRV-NI-Exz"/>
+                            <menuItem title="Cut" keyEquivalent="x" id="uRl-iY-unG">
+                                <connections>
+                                    <action selector="cut:" target="-1" id="YJe-68-I9s"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Copy" keyEquivalent="c" id="x3v-GG-iWU">
+                                <connections>
+                                    <action selector="copy:" target="-1" id="G1f-GL-Joy"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Paste" keyEquivalent="v" id="gVA-U4-sdL">
+                                <connections>
+                                    <action selector="paste:" target="-1" id="UvS-8e-Qdg"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Paste and Match Style" keyEquivalent="V" id="WeT-3V-zwk">
+                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                <connections>
+                                    <action selector="pasteAsPlainText:" target="-1" id="cEh-KX-wJQ"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Delete" id="pa3-QI-u2k">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="delete:" target="-1" id="0Mk-Ml-PaM"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Select All" keyEquivalent="a" id="Ruw-6m-B2m">
+                                <connections>
+                                    <action selector="selectAll:" target="-1" id="VNm-Mi-diN"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="uyl-h8-XO2"/>
+                            <menuItem title="Find" id="4EN-yA-p0u">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Find" id="1b7-l0-nxx">
+                                    <items>
+                                        <menuItem title="Find…" tag="1" keyEquivalent="f" id="Xz5-n4-O0W">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="cD7-Qs-BN4"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find and Replace…" tag="12" keyEquivalent="f" id="YEy-JH-Tfz">
+                                            <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="WD3-Gg-5AJ"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find Next" tag="2" keyEquivalent="g" id="q09-fT-Sye">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="NDo-RZ-v9R"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find Previous" tag="3" keyEquivalent="G" id="OwM-mh-QMV">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="HOh-sY-3ay"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Use Selection for Find" tag="7" keyEquivalent="e" id="buJ-ug-pKt">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="U76-nv-p5D"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Jump to Selection" keyEquivalent="j" id="S0p-oC-mLd">
+                                            <connections>
+                                                <action selector="centerSelectionInVisibleArea:" target="-1" id="IOG-6D-g5B"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Spelling and Grammar" id="Dv1-io-Yv7">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Spelling" id="3IN-sU-3Bg">
+                                    <items>
+                                        <menuItem title="Show Spelling and Grammar" keyEquivalent=":" id="HFo-cy-zxI">
+                                            <connections>
+                                                <action selector="showGuessPanel:" target="-1" id="vFj-Ks-hy3"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Check Document Now" keyEquivalent=";" id="hz2-CU-CR7">
+                                            <connections>
+                                                <action selector="checkSpelling:" target="-1" id="fz7-VC-reM"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="bNw-od-mp5"/>
+                                        <menuItem title="Check Spelling While Typing" id="rbD-Rh-wIN">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleContinuousSpellChecking:" target="-1" id="7w6-Qz-0kB"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Check Grammar With Spelling" id="mK6-2p-4JG">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleGrammarChecking:" target="-1" id="muD-Qn-j4w"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Correct Spelling Automatically" id="78Y-hA-62v">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticSpellingCorrection:" target="-1" id="2lM-Qi-WAP"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Substitutions" id="9ic-FL-obx">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Substitutions" id="FeM-D8-WVr">
+                                    <items>
+                                        <menuItem title="Show Substitutions" id="z6F-FW-3nz">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="orderFrontSubstitutionsPanel:" target="-1" id="oku-mr-iSq"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="gPx-C9-uUO"/>
+                                        <menuItem title="Smart Copy/Paste" id="9yt-4B-nSM">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleSmartInsertDelete:" target="-1" id="3IJ-Se-DZD"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Quotes" id="hQb-2v-fYv">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticQuoteSubstitution:" target="-1" id="ptq-xd-QOA"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Dashes" id="rgM-f4-ycn">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticDashSubstitution:" target="-1" id="oCt-pO-9gS"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Links" id="cwL-P1-jid">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticLinkDetection:" target="-1" id="Gip-E3-Fov"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Data Detectors" id="tRr-pd-1PS">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticDataDetection:" target="-1" id="R1I-Nq-Kbl"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Text Replacement" id="HFQ-gK-NFA">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticTextReplacement:" target="-1" id="DvP-Fe-Py6"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Transformations" id="2oI-Rn-ZJC">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Transformations" id="c8a-y6-VQd">
+                                    <items>
+                                        <menuItem title="Make Upper Case" id="vmV-6d-7jI">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="uppercaseWord:" target="-1" id="sPh-Tk-edu"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Make Lower Case" id="d9M-CD-aMd">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="lowercaseWord:" target="-1" id="iUZ-b5-hil"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Capitalize" id="UEZ-Bs-lqG">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="capitalizeWord:" target="-1" id="26H-TL-nsh"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Speech" id="xrE-MZ-jX0">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Speech" id="3rS-ZA-NoH">
+                                    <items>
+                                        <menuItem title="Start Speaking" id="Ynk-f8-cLZ">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="startSpeaking:" target="-1" id="654-Ng-kyl"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Stop Speaking" id="Oyz-dy-DGm">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="stopSpeaking:" target="-1" id="dX8-6p-jy9"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="View" id="H8h-7b-M4v">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="View" id="HyV-fh-RgO">
+                        <items>
+                            <menuItem title="Enter Full Screen" keyEquivalent="f" id="4J7-dP-txa">
+                                <modifierMask key="keyEquivalentModifierMask" control="YES" command="YES"/>
+                                <connections>
+                                    <action selector="toggleFullScreen:" target="-1" id="dU3-MA-1Rq"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Window" id="aUF-d1-5bR">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Window" systemMenu="window" id="Td7-aD-5lo">
+                        <items>
+                            <menuItem title="Minimize" keyEquivalent="m" id="OY7-WF-poV">
+                                <connections>
+                                    <action selector="performMiniaturize:" target="-1" id="VwT-WD-YPe"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Zoom" id="R4o-n2-Eq4">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="performZoom:" target="-1" id="DIl-cC-cCs"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="eu3-7i-yIM"/>
+                            <menuItem title="Bring All to Front" id="LE2-aR-0XJ">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="arrangeInFront:" target="-1" id="DRN-fu-gQh"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Help" id="EPT-qC-fAb">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Help" systemMenu="help" id="rJ0-wn-3NY"/>
+                </menuItem>
+            </items>
+            <point key="canvasLocation" x="142" y="-258"/>
+        </menu>
+        <window title="APP_NAME" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" animationBehavior="default" id="QvC-M9-y7g" customClass="MainFlutterWindow" customModule="Runner" customModuleProvider="target">
+            <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
+            <rect key="contentRect" x="335" y="390" width="800" height="600"/>
+            <rect key="screenRect" x="0.0" y="0.0" width="2560" height="1577"/>
+            <view key="contentView" wantsLayer="YES" id="EiT-Mj-1SZ">
+                <rect key="frame" x="0.0" y="0.0" width="800" height="600"/>
+                <autoresizingMask key="autoresizingMask"/>
+            </view>
+        </window>
+    </objects>
+</document>

macos/Runner/Configs/AppInfo.xcconfig

@@ -0,0 +1,14 @@
+// Application-level settings for the Runner target.
+//
+// This may be replaced with something auto-generated from metadata (e.g., pubspec.yaml) in the
+// future. If not, the values below would default to using the project name when this becomes a
+// 'flutter create' template.
+
+// The application's name. By default this is also the title of the Flutter window.
+PRODUCT_NAME = gobang
+
+// The application's bundle identifier
+PRODUCT_BUNDLE_IDENTIFIER = com.example.gobang
+
+// The copyright displayed in application information
+PRODUCT_COPYRIGHT = Copyright © 2026 com.example. All rights reserved.

macos/Runner/Configs/Debug.xcconfig

@@ -0,0 +1,2 @@
+#include "../../Flutter/Flutter-Debug.xcconfig"
+#include "Warnings.xcconfig"

macos/Runner/Configs/Release.xcconfig

@@ -0,0 +1,2 @@
+#include "../../Flutter/Flutter-Release.xcconfig"
+#include "Warnings.xcconfig"

macos/Runner/Configs/Warnings.xcconfig

@@ -0,0 +1,13 @@
+WARNING_CFLAGS = -Wall -Wconditional-uninitialized -Wnullable-to-nonnull-conversion -Wmissing-method-return-type -Woverlength-strings
+GCC_WARN_UNDECLARED_SELECTOR = YES
+CLANG_UNDEFINED_BEHAVIOR_SANITIZER_NULLABILITY = YES
+CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE
+CLANG_WARN__DUPLICATE_METHOD_MATCH = YES
+CLANG_WARN_PRAGMA_PACK = YES
+CLANG_WARN_STRICT_PROTOTYPES = YES
+CLANG_WARN_COMMA = YES
+GCC_WARN_STRICT_SELECTOR_MATCH = YES
+CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK = YES
+CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES
+GCC_WARN_SHADOW = YES
+CLANG_WARN_UNREACHABLE_CODE = YES

macos/Runner/DebugProfile.entitlements

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.cs.allow-jit</key>
+	<true/>
+	<key>com.apple.security.network.server</key>
+	<true/>
+</dict>
+</plist>

macos/Runner/Info.plist

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIconFile</key>
+	<string></string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(FLUTTER_BUILD_NAME)</string>
+	<key>CFBundleVersion</key>
+	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>LSMinimumSystemVersion</key>
+	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>$(PRODUCT_COPYRIGHT)</string>
+	<key>NSMainNibFile</key>
+	<string>MainMenu</string>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+</dict>
+</plist>

macos/Runner/MainFlutterWindow.swift

@@ -0,0 +1,15 @@
+import Cocoa
+import FlutterMacOS
+
+class MainFlutterWindow: NSWindow {
+  override func awakeFromNib() {
+    let flutterViewController = FlutterViewController()
+    let windowFrame = self.frame
+    self.contentViewController = flutterViewController
+    self.setFrame(windowFrame, display: true)
+
+    RegisterGeneratedPlugins(registry: flutterViewController)
+
+    super.awakeFromNib()
+  }
+}

macos/Runner/Release.entitlements

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+</dict>
+</plist>

macos/RunnerTests/RunnerTests.swift

@@ -0,0 +1,12 @@
+import Cocoa
+import FlutterMacOS
+import XCTest
+
+class RunnerTests: XCTestCase {
+
+  func testExample() {
+    // If you add code to the Runner application, consider adding tests here.
+    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
+  }
+
+}

test/widget_test.dart

@@ -2,9 +2,11 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:gobang/main.dart';
 
 void main() {
-  testWidgets('app loads home page', (tester) async {
+  testWidgets('app loads splash then home', (tester) async {
     await tester.pumpWidget(const MyApp());
-    await tester.pumpAndSettle();
     expect(find.text('南瓜五子棋'), findsOneWidget);
+    await tester.pump(const Duration(milliseconds: 1600));
+    await tester.pumpAndSettle();
+    expect(find.text('南瓜五子棋'), findsWidgets);
   });
 }

windows/.gitignore

@@ -0,0 +1,17 @@
+flutter/ephemeral/
+
+# Visual Studio user-specific files.
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# Visual Studio build-related files.
+x64/
+x86/
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/

windows/CMakeLists.txt

@@ -0,0 +1,108 @@
+# Project-level configuration.
+cmake_minimum_required(VERSION 3.14)
+project(gobang LANGUAGES CXX)
+
+# The name of the executable created for the application. Change this to change
+# the on-disk name of your application.
+set(BINARY_NAME "gobang")
+
+# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
+# versions of CMake.
+cmake_policy(VERSION 3.14...3.25)
+
+# Define build configuration option.
+get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
+if(IS_MULTICONFIG)
+  set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release"
+    CACHE STRING "" FORCE)
+else()
+  if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+    set(CMAKE_BUILD_TYPE "Debug" CACHE
+      STRING "Flutter build mode" FORCE)
+    set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+      "Debug" "Profile" "Release")
+  endif()
+endif()
+# Define settings for the Profile build mode.
+set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
+set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}")
+set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}")
+set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}")
+
+# Use Unicode for all projects.
+add_definitions(-DUNICODE -D_UNICODE)
+
+# Compilation settings that should be applied to most targets.
+#
+# Be cautious about adding new options here, as plugins use this function by
+# default. In most cases, you should add new options to specific targets instead
+# of modifying this function.
+function(APPLY_STANDARD_SETTINGS TARGET)
+  target_compile_features(${TARGET} PUBLIC cxx_std_17)
+  target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100")
+  target_compile_options(${TARGET} PRIVATE /EHsc)
+  target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0")
+  target_compile_definitions(${TARGET} PRIVATE "$<$<CONFIG:Debug>:_DEBUG>")
+endfunction()
+
+# Flutter library and tool build rules.
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# Application build; see runner/CMakeLists.txt.
+add_subdirectory("runner")
+
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)
+
+
+# === Installation ===
+# Support files are copied into place next to the executable, so that it can
+# run in place. This is done instead of making a separate bundle (as on Linux)
+# so that building and running from within Visual Studio will work.
+set(BUILD_BUNDLE_DIR "$<TARGET_FILE_DIR:${BINARY_NAME}>")
+# Make the "install" step default, as it's required to run.
+set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1)
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
+endif()
+
+set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
+set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}")
+
+install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+  COMPONENT Runtime)
+
+if(PLUGIN_BUNDLED_LIBRARIES)
+  install(FILES "${PLUGIN_BUNDLED_LIBRARIES}"
+    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endif()
+
+# Copy the native assets provided by the build.dart from all packages.
+set(NATIVE_ASSETS_DIR "${PROJECT_BUILD_DIR}native_assets/windows/")
+install(DIRECTORY "${NATIVE_ASSETS_DIR}"
+   DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+   COMPONENT Runtime)
+
+# Fully re-copy the assets directory on each build to avoid having stale files
+# from a previous install.
+set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
+install(CODE "
+  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
+  " COMPONENT Runtime)
+install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
+  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
+
+# Install the AOT library on non-Debug builds only.
+install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  CONFIGURATIONS Profile;Release
+  COMPONENT Runtime)

windows/flutter/CMakeLists.txt

@@ -0,0 +1,109 @@
+# This file controls Flutter-level build steps. It should not be edited.
+cmake_minimum_required(VERSION 3.14)
+
+set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
+
+# Configuration provided via flutter tool.
+include(${EPHEMERAL_DIR}/generated_config.cmake)
+
+# TODO: Move the rest of this into files in ephemeral. See
+# https://github.com/flutter/flutter/issues/57146.
+set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper")
+
+# Set fallback configurations for older versions of the flutter tool.
+if (NOT DEFINED FLUTTER_TARGET_PLATFORM)
+  set(FLUTTER_TARGET_PLATFORM "windows-x64")
+endif()
+
+# === Flutter Library ===
+set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll")
+
+# Published to parent scope for install step.
+set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
+set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
+set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
+set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE)
+
+list(APPEND FLUTTER_LIBRARY_HEADERS
+  "flutter_export.h"
+  "flutter_windows.h"
+  "flutter_messenger.h"
+  "flutter_plugin_registrar.h"
+  "flutter_texture_registrar.h"
+)
+list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/")
+add_library(flutter INTERFACE)
+target_include_directories(flutter INTERFACE
+  "${EPHEMERAL_DIR}"
+)
+target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib")
+add_dependencies(flutter flutter_assemble)
+
+# === Wrapper ===
+list(APPEND CPP_WRAPPER_SOURCES_CORE
+  "core_implementations.cc"
+  "standard_codec.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/")
+list(APPEND CPP_WRAPPER_SOURCES_PLUGIN
+  "plugin_registrar.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/")
+list(APPEND CPP_WRAPPER_SOURCES_APP
+  "flutter_engine.cc"
+  "flutter_view_controller.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/")
+
+# Wrapper sources needed for a plugin.
+add_library(flutter_wrapper_plugin STATIC
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_PLUGIN}
+)
+apply_standard_settings(flutter_wrapper_plugin)
+set_target_properties(flutter_wrapper_plugin PROPERTIES
+  POSITION_INDEPENDENT_CODE ON)
+set_target_properties(flutter_wrapper_plugin PROPERTIES
+  CXX_VISIBILITY_PRESET hidden)
+target_link_libraries(flutter_wrapper_plugin PUBLIC flutter)
+target_include_directories(flutter_wrapper_plugin PUBLIC
+  "${WRAPPER_ROOT}/include"
+)
+add_dependencies(flutter_wrapper_plugin flutter_assemble)
+
+# Wrapper sources needed for the runner.
+add_library(flutter_wrapper_app STATIC
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_APP}
+)
+apply_standard_settings(flutter_wrapper_app)
+target_link_libraries(flutter_wrapper_app PUBLIC flutter)
+target_include_directories(flutter_wrapper_app PUBLIC
+  "${WRAPPER_ROOT}/include"
+)
+add_dependencies(flutter_wrapper_app flutter_assemble)
+
+# === Flutter tool backend ===
+# _phony_ is a non-existent file to force this command to run every time,
+# since currently there's no way to get a full input/output list from the
+# flutter tool.
+set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_")
+set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE)
+add_custom_command(
+  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
+    ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN}
+    ${CPP_WRAPPER_SOURCES_APP}
+    ${PHONY_OUTPUT}
+  COMMAND ${CMAKE_COMMAND} -E env
+    ${FLUTTER_TOOL_ENVIRONMENT}
+    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat"
+      ${FLUTTER_TARGET_PLATFORM} $<CONFIG>
+  VERBATIM
+)
+add_custom_target(flutter_assemble DEPENDS
+  "${FLUTTER_LIBRARY}"
+  ${FLUTTER_LIBRARY_HEADERS}
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_PLUGIN}
+  ${CPP_WRAPPER_SOURCES_APP}
+)

windows/flutter/generated_plugin_registrant.cc

@@ -0,0 +1,14 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#include "generated_plugin_registrant.h"
+
+#include <connectivity_plus/connectivity_plus_windows_plugin.h>
+
+void RegisterPlugins(flutter::PluginRegistry* registry) {
+  ConnectivityPlusWindowsPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("ConnectivityPlusWindowsPlugin"));
+}

windows/flutter/generated_plugin_registrant.h

@@ -0,0 +1,15 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#ifndef GENERATED_PLUGIN_REGISTRANT_
+#define GENERATED_PLUGIN_REGISTRANT_
+
+#include <flutter/plugin_registry.h>
+
+// Registers Flutter plugins.
+void RegisterPlugins(flutter::PluginRegistry* registry);
+
+#endif  // GENERATED_PLUGIN_REGISTRANT_

windows/flutter/generated_plugins.cmake

@@ -0,0 +1,24 @@
+#
+# Generated file, do not edit.
+#
+
+list(APPEND FLUTTER_PLUGIN_LIST
+  connectivity_plus
+)
+
+list(APPEND FLUTTER_FFI_PLUGIN_LIST
+)
+
+set(PLUGIN_BUNDLED_LIBRARIES)
+
+foreach(plugin ${FLUTTER_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin})
+  target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
+endforeach(plugin)
+
+foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin})
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
+endforeach(ffi_plugin)

windows/runner/CMakeLists.txt

@@ -0,0 +1,40 @@
+cmake_minimum_required(VERSION 3.14)
+project(runner LANGUAGES CXX)
+
+# Define the application target. To change its name, change BINARY_NAME in the
+# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer
+# work.
+#
+# Any new source files that you add to the application should be added here.
+add_executable(${BINARY_NAME} WIN32
+  "flutter_window.cpp"
+  "main.cpp"
+  "utils.cpp"
+  "win32_window.cpp"
+  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+  "Runner.rc"
+  "runner.exe.manifest"
+)
+
+# Apply the standard set of build settings. This can be removed for applications
+# that need different build settings.
+apply_standard_settings(${BINARY_NAME})
+
+# Add preprocessor definitions for the build version.
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}")
+
+# Disable Windows macros that collide with C++ standard library functions.
+target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX")
+
+# Add dependency libraries and include directories. Add any application-specific
+# dependencies here.
+target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app)
+target_link_libraries(${BINARY_NAME} PRIVATE "dwmapi.lib")
+target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}")
+
+# Run the Flutter tool portions of the build. This must not be removed.
+add_dependencies(${BINARY_NAME} flutter_assemble)

windows/runner/Runner.rc

@@ -0,0 +1,121 @@
+// Microsoft Visual C++ generated resource script.
+//
+#pragma code_page(65001)
+#include "resource.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 2 resource.
+//
+#include "winres.h"
+
+/////////////////////////////////////////////////////////////////////////////
+#undef APSTUDIO_READONLY_SYMBOLS
+
+/////////////////////////////////////////////////////////////////////////////
+// English (United States) resources
+
+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+
+#ifdef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// TEXTINCLUDE
+//
+
+1 TEXTINCLUDE
+BEGIN
+    "resource.h\0"
+END
+
+2 TEXTINCLUDE
+BEGIN
+    "#include ""winres.h""\r\n"
+    "\0"
+END
+
+3 TEXTINCLUDE
+BEGIN
+    "\r\n"
+    "\0"
+END
+
+#endif    // APSTUDIO_INVOKED
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Icon
+//
+
+// Icon with lowest ID value placed first to ensure application icon
+// remains consistent on all systems.
+IDI_APP_ICON            ICON                    "resources\\app_icon.ico"
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Version
+//
+
+#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD)
+#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD
+#else
+#define VERSION_AS_NUMBER 1,0,0,0
+#endif
+
+#if defined(FLUTTER_VERSION)
+#define VERSION_AS_STRING FLUTTER_VERSION
+#else
+#define VERSION_AS_STRING "1.0.0"
+#endif
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION VERSION_AS_NUMBER
+ PRODUCTVERSION VERSION_AS_NUMBER
+ FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
+#ifdef _DEBUG
+ FILEFLAGS VS_FF_DEBUG
+#else
+ FILEFLAGS 0x0L
+#endif
+ FILEOS VOS__WINDOWS32
+ FILETYPE VFT_APP
+ FILESUBTYPE 0x0L
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904e4"
+        BEGIN
+            VALUE "CompanyName", "com.example" "\0"
+            VALUE "FileDescription", "gobang" "\0"
+            VALUE "FileVersion", VERSION_AS_STRING "\0"
+            VALUE "InternalName", "gobang" "\0"
+            VALUE "LegalCopyright", "Copyright (C) 2026 com.example. All rights reserved." "\0"
+            VALUE "OriginalFilename", "gobang.exe" "\0"
+            VALUE "ProductName", "gobang" "\0"
+            VALUE "ProductVersion", VERSION_AS_STRING "\0"
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x409, 1252
+    END
+END
+
+#endif    // English (United States) resources
+/////////////////////////////////////////////////////////////////////////////
+
+
+
+#ifndef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 3 resource.
+//
+
+
+/////////////////////////////////////////////////////////////////////////////
+#endif    // not APSTUDIO_INVOKED

windows/runner/flutter_window.cpp

@@ -0,0 +1,71 @@
+#include "flutter_window.h"
+
+#include <optional>
+
+#include "flutter/generated_plugin_registrant.h"
+
+FlutterWindow::FlutterWindow(const flutter::DartProject& project)
+    : project_(project) {}
+
+FlutterWindow::~FlutterWindow() {}
+
+bool FlutterWindow::OnCreate() {
+  if (!Win32Window::OnCreate()) {
+    return false;
+  }
+
+  RECT frame = GetClientArea();
+
+  // The size here must match the window dimensions to avoid unnecessary surface
+  // creation / destruction in the startup path.
+  flutter_controller_ = std::make_unique<flutter::FlutterViewController>(
+      frame.right - frame.left, frame.bottom - frame.top, project_);
+  // Ensure that basic setup of the controller was successful.
+  if (!flutter_controller_->engine() || !flutter_controller_->view()) {
+    return false;
+  }
+  RegisterPlugins(flutter_controller_->engine());
+  SetChildContent(flutter_controller_->view()->GetNativeWindow());
+
+  flutter_controller_->engine()->SetNextFrameCallback([&]() {
+    this->Show();
+  });
+
+  // Flutter can complete the first frame before the "show window" callback is
+  // registered. The following call ensures a frame is pending to ensure the
+  // window is shown. It is a no-op if the first frame hasn't completed yet.
+  flutter_controller_->ForceRedraw();
+
+  return true;
+}
+
+void FlutterWindow::OnDestroy() {
+  if (flutter_controller_) {
+    flutter_controller_ = nullptr;
+  }
+
+  Win32Window::OnDestroy();
+}
+
+LRESULT
+FlutterWindow::MessageHandler(HWND hwnd, UINT const message,
+                              WPARAM const wparam,
+                              LPARAM const lparam) noexcept {
+  // Give Flutter, including plugins, an opportunity to handle window messages.
+  if (flutter_controller_) {
+    std::optional<LRESULT> result =
+        flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam,
+                                                      lparam);
+    if (result) {
+      return *result;
+    }
+  }
+
+  switch (message) {
+    case WM_FONTCHANGE:
+      flutter_controller_->engine()->ReloadSystemFonts();
+      break;
+  }
+
+  return Win32Window::MessageHandler(hwnd, message, wparam, lparam);
+}

windows/runner/flutter_window.h

@@ -0,0 +1,33 @@
+#ifndef RUNNER_FLUTTER_WINDOW_H_
+#define RUNNER_FLUTTER_WINDOW_H_
+
+#include <flutter/dart_project.h>
+#include <flutter/flutter_view_controller.h>
+
+#include <memory>
+
+#include "win32_window.h"
+
+// A window that does nothing but host a Flutter view.
+class FlutterWindow : public Win32Window {
+ public:
+  // Creates a new FlutterWindow hosting a Flutter view running |project|.
+  explicit FlutterWindow(const flutter::DartProject& project);
+  virtual ~FlutterWindow();
+
+ protected:
+  // Win32Window:
+  bool OnCreate() override;
+  void OnDestroy() override;
+  LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam,
+                         LPARAM const lparam) noexcept override;
+
+ private:
+  // The project to run.
+  flutter::DartProject project_;
+
+  // The Flutter instance hosted by this window.
+  std::unique_ptr<flutter::FlutterViewController> flutter_controller_;
+};
+
+#endif  // RUNNER_FLUTTER_WINDOW_H_

windows/runner/main.cpp

@@ -0,0 +1,43 @@
+#include <flutter/dart_project.h>
+#include <flutter/flutter_view_controller.h>
+#include <windows.h>
+
+#include "flutter_window.h"
+#include "utils.h"
+
+int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
+                      _In_ wchar_t *command_line, _In_ int show_command) {
+  // Attach to console when present (e.g., 'flutter run') or create a
+  // new console when running with a debugger.
+  if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) {
+    CreateAndAttachConsole();
+  }
+
+  // Initialize COM, so that it is available for use in the library and/or
+  // plugins.
+  ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
+
+  flutter::DartProject project(L"data");
+
+  std::vector<std::string> command_line_arguments =
+      GetCommandLineArguments();
+
+  project.set_dart_entrypoint_arguments(std::move(command_line_arguments));
+
+  FlutterWindow window(project);
+  Win32Window::Point origin(10, 10);
+  Win32Window::Size size(1280, 720);
+  if (!window.Create(L"gobang", origin, size)) {
+    return EXIT_FAILURE;
+  }
+  window.SetQuitOnClose(true);
+
+  ::MSG msg;
+  while (::GetMessage(&msg, nullptr, 0, 0)) {
+    ::TranslateMessage(&msg);
+    ::DispatchMessage(&msg);
+  }
+
+  ::CoUninitialize();
+  return EXIT_SUCCESS;
+}

windows/runner/resource.h

@@ -0,0 +1,16 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by Runner.rc
+//
+#define IDI_APP_ICON                    101
+
+// Next default values for new objects
+//
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE        102
+#define _APS_NEXT_COMMAND_VALUE         40001
+#define _APS_NEXT_CONTROL_VALUE         1001
+#define _APS_NEXT_SYMED_VALUE           101
+#endif
+#endif

windows/runner/runner.exe.manifest

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  <application xmlns="urn:schemas-microsoft-com:asm.v3">
+    <windowsSettings>
+      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
+    </windowsSettings>
+  </application>
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- Windows 10 and Windows 11 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
+    </application>
+  </compatibility>
+</assembly>

windows/runner/utils.cpp

@@ -0,0 +1,65 @@
+#include "utils.h"
+
+#include <flutter_windows.h>
+#include <io.h>
+#include <stdio.h>
+#include <windows.h>
+
+#include <iostream>
+
+void CreateAndAttachConsole() {
+  if (::AllocConsole()) {
+    FILE *unused;
+    if (freopen_s(&unused, "CONOUT$", "w", stdout)) {
+      _dup2(_fileno(stdout), 1);
+    }
+    if (freopen_s(&unused, "CONOUT$", "w", stderr)) {
+      _dup2(_fileno(stdout), 2);
+    }
+    std::ios::sync_with_stdio();
+    FlutterDesktopResyncOutputStreams();
+  }
+}
+
+std::vector<std::string> GetCommandLineArguments() {
+  // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use.
+  int argc;
+  wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc);
+  if (argv == nullptr) {
+    return std::vector<std::string>();
+  }
+
+  std::vector<std::string> command_line_arguments;
+
+  // Skip the first argument as it's the binary name.
+  for (int i = 1; i < argc; i++) {
+    command_line_arguments.push_back(Utf8FromUtf16(argv[i]));
+  }
+
+  ::LocalFree(argv);
+
+  return command_line_arguments;
+}
+
+std::string Utf8FromUtf16(const wchar_t* utf16_string) {
+  if (utf16_string == nullptr) {
+    return std::string();
+  }
+  unsigned int target_length = ::WideCharToMultiByte(
+      CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
+      -1, nullptr, 0, nullptr, nullptr)
+    -1; // remove the trailing null character
+  int input_length = (int)wcslen(utf16_string);
+  std::string utf8_string;
+  if (target_length == 0 || target_length > utf8_string.max_size()) {
+    return utf8_string;
+  }
+  utf8_string.resize(target_length);
+  int converted_length = ::WideCharToMultiByte(
+      CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
+      input_length, utf8_string.data(), target_length, nullptr, nullptr);
+  if (converted_length == 0) {
+    return std::string();
+  }
+  return utf8_string;
+}

windows/runner/utils.h

@@ -0,0 +1,19 @@
+#ifndef RUNNER_UTILS_H_
+#define RUNNER_UTILS_H_
+
+#include <string>
+#include <vector>
+
+// Creates a console for the process, and redirects stdout and stderr to
+// it for both the runner and the Flutter library.
+void CreateAndAttachConsole();
+
+// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string
+// encoded in UTF-8. Returns an empty std::string on failure.
+std::string Utf8FromUtf16(const wchar_t* utf16_string);
+
+// Gets the command line arguments passed in as a std::vector<std::string>,
+// encoded in UTF-8. Returns an empty std::vector<std::string> on failure.
+std::vector<std::string> GetCommandLineArguments();
+
+#endif  // RUNNER_UTILS_H_

windows/runner/win32_window.cpp

@@ -0,0 +1,288 @@
+#include "win32_window.h"
+
+#include <dwmapi.h>
+#include <flutter_windows.h>
+
+#include "resource.h"
+
+namespace {
+
+/// Window attribute that enables dark mode window decorations.
+///
+/// Redefined in case the developer's machine has a Windows SDK older than
+/// version 10.0.22000.0.
+/// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute
+#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE
+#define DWMWA_USE_IMMERSIVE_DARK_MODE 20
+#endif
+
+constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW";
+
+/// Registry key for app theme preference.
+///
+/// A value of 0 indicates apps should use dark mode. A non-zero or missing
+/// value indicates apps should use light mode.
+constexpr const wchar_t kGetPreferredBrightnessRegKey[] =
+  L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize";
+constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme";
+
+// The number of Win32Window objects that currently exist.
+static int g_active_window_count = 0;
+
+using EnableNonClientDpiScaling = BOOL __stdcall(HWND hwnd);
+
+// Scale helper to convert logical scaler values to physical using passed in
+// scale factor
+int Scale(int source, double scale_factor) {
+  return static_cast<int>(source * scale_factor);
+}
+
+// Dynamically loads the |EnableNonClientDpiScaling| from the User32 module.
+// This API is only needed for PerMonitor V1 awareness mode.
+void EnableFullDpiSupportIfAvailable(HWND hwnd) {
+  HMODULE user32_module = LoadLibraryA("User32.dll");
+  if (!user32_module) {
+    return;
+  }
+  auto enable_non_client_dpi_scaling =
+      reinterpret_cast<EnableNonClientDpiScaling*>(
+          GetProcAddress(user32_module, "EnableNonClientDpiScaling"));
+  if (enable_non_client_dpi_scaling != nullptr) {
+    enable_non_client_dpi_scaling(hwnd);
+  }
+  FreeLibrary(user32_module);
+}
+
+}  // namespace
+
+// Manages the Win32Window's window class registration.
+class WindowClassRegistrar {
+ public:
+  ~WindowClassRegistrar() = default;
+
+  // Returns the singleton registrar instance.
+  static WindowClassRegistrar* GetInstance() {
+    if (!instance_) {
+      instance_ = new WindowClassRegistrar();
+    }
+    return instance_;
+  }
+
+  // Returns the name of the window class, registering the class if it hasn't
+  // previously been registered.
+  const wchar_t* GetWindowClass();
+
+  // Unregisters the window class. Should only be called if there are no
+  // instances of the window.
+  void UnregisterWindowClass();
+
+ private:
+  WindowClassRegistrar() = default;
+
+  static WindowClassRegistrar* instance_;
+
+  bool class_registered_ = false;
+};
+
+WindowClassRegistrar* WindowClassRegistrar::instance_ = nullptr;
+
+const wchar_t* WindowClassRegistrar::GetWindowClass() {
+  if (!class_registered_) {
+    WNDCLASS window_class{};
+    window_class.hCursor = LoadCursor(nullptr, IDC_ARROW);
+    window_class.lpszClassName = kWindowClassName;
+    window_class.style = CS_HREDRAW | CS_VREDRAW;
+    window_class.cbClsExtra = 0;
+    window_class.cbWndExtra = 0;
+    window_class.hInstance = GetModuleHandle(nullptr);
+    window_class.hIcon =
+        LoadIcon(window_class.hInstance, MAKEINTRESOURCE(IDI_APP_ICON));
+    window_class.hbrBackground = 0;
+    window_class.lpszMenuName = nullptr;
+    window_class.lpfnWndProc = Win32Window::WndProc;
+    RegisterClass(&window_class);
+    class_registered_ = true;
+  }
+  return kWindowClassName;
+}
+
+void WindowClassRegistrar::UnregisterWindowClass() {
+  UnregisterClass(kWindowClassName, nullptr);
+  class_registered_ = false;
+}
+
+Win32Window::Win32Window() {
+  ++g_active_window_count;
+}
+
+Win32Window::~Win32Window() {
+  --g_active_window_count;
+  Destroy();
+}
+
+bool Win32Window::Create(const std::wstring& title,
+                         const Point& origin,
+                         const Size& size) {
+  Destroy();
+
+  const wchar_t* window_class =
+      WindowClassRegistrar::GetInstance()->GetWindowClass();
+
+  const POINT target_point = {static_cast<LONG>(origin.x),
+                              static_cast<LONG>(origin.y)};
+  HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTONEAREST);
+  UINT dpi = FlutterDesktopGetDpiForMonitor(monitor);
+  double scale_factor = dpi / 96.0;
+
+  HWND window = CreateWindow(
+      window_class, title.c_str(), WS_OVERLAPPEDWINDOW,
+      Scale(origin.x, scale_factor), Scale(origin.y, scale_factor),
+      Scale(size.width, scale_factor), Scale(size.height, scale_factor),
+      nullptr, nullptr, GetModuleHandle(nullptr), this);
+
+  if (!window) {
+    return false;
+  }
+
+  UpdateTheme(window);
+
+  return OnCreate();
+}
+
+bool Win32Window::Show() {
+  return ShowWindow(window_handle_, SW_SHOWNORMAL);
+}
+
+// static
+LRESULT CALLBACK Win32Window::WndProc(HWND const window,
+                                      UINT const message,
+                                      WPARAM const wparam,
+                                      LPARAM const lparam) noexcept {
+  if (message == WM_NCCREATE) {
+    auto window_struct = reinterpret_cast<CREATESTRUCT*>(lparam);
+    SetWindowLongPtr(window, GWLP_USERDATA,
+                     reinterpret_cast<LONG_PTR>(window_struct->lpCreateParams));
+
+    auto that = static_cast<Win32Window*>(window_struct->lpCreateParams);
+    EnableFullDpiSupportIfAvailable(window);
+    that->window_handle_ = window;
+  } else if (Win32Window* that = GetThisFromHandle(window)) {
+    return that->MessageHandler(window, message, wparam, lparam);
+  }
+
+  return DefWindowProc(window, message, wparam, lparam);
+}
+
+LRESULT
+Win32Window::MessageHandler(HWND hwnd,
+                            UINT const message,
+                            WPARAM const wparam,
+                            LPARAM const lparam) noexcept {
+  switch (message) {
+    case WM_DESTROY:
+      window_handle_ = nullptr;
+      Destroy();
+      if (quit_on_close_) {
+        PostQuitMessage(0);
+      }
+      return 0;
+
+    case WM_DPICHANGED: {
+      auto newRectSize = reinterpret_cast<RECT*>(lparam);
+      LONG newWidth = newRectSize->right - newRectSize->left;
+      LONG newHeight = newRectSize->bottom - newRectSize->top;
+
+      SetWindowPos(hwnd, nullptr, newRectSize->left, newRectSize->top, newWidth,
+                   newHeight, SWP_NOZORDER | SWP_NOACTIVATE);
+
+      return 0;
+    }
+    case WM_SIZE: {
+      RECT rect = GetClientArea();
+      if (child_content_ != nullptr) {
+        // Size and position the child window.
+        MoveWindow(child_content_, rect.left, rect.top, rect.right - rect.left,
+                   rect.bottom - rect.top, TRUE);
+      }
+      return 0;
+    }
+
+    case WM_ACTIVATE:
+      if (child_content_ != nullptr) {
+        SetFocus(child_content_);
+      }
+      return 0;
+
+    case WM_DWMCOLORIZATIONCOLORCHANGED:
+      UpdateTheme(hwnd);
+      return 0;
+  }
+
+  return DefWindowProc(window_handle_, message, wparam, lparam);
+}
+
+void Win32Window::Destroy() {
+  OnDestroy();
+
+  if (window_handle_) {
+    DestroyWindow(window_handle_);
+    window_handle_ = nullptr;
+  }
+  if (g_active_window_count == 0) {
+    WindowClassRegistrar::GetInstance()->UnregisterWindowClass();
+  }
+}
+
+Win32Window* Win32Window::GetThisFromHandle(HWND const window) noexcept {
+  return reinterpret_cast<Win32Window*>(
+      GetWindowLongPtr(window, GWLP_USERDATA));
+}
+
+void Win32Window::SetChildContent(HWND content) {
+  child_content_ = content;
+  SetParent(content, window_handle_);
+  RECT frame = GetClientArea();
+
+  MoveWindow(content, frame.left, frame.top, frame.right - frame.left,
+             frame.bottom - frame.top, true);
+
+  SetFocus(child_content_);
+}
+
+RECT Win32Window::GetClientArea() {
+  RECT frame;
+  GetClientRect(window_handle_, &frame);
+  return frame;
+}
+
+HWND Win32Window::GetHandle() {
+  return window_handle_;
+}
+
+void Win32Window::SetQuitOnClose(bool quit_on_close) {
+  quit_on_close_ = quit_on_close;
+}
+
+bool Win32Window::OnCreate() {
+  // No-op; provided for subclasses.
+  return true;
+}
+
+void Win32Window::OnDestroy() {
+  // No-op; provided for subclasses.
+}
+
+void Win32Window::UpdateTheme(HWND const window) {
+  DWORD light_mode;
+  DWORD light_mode_size = sizeof(light_mode);
+  LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey,
+                               kGetPreferredBrightnessRegValue,
+                               RRF_RT_REG_DWORD, nullptr, &light_mode,
+                               &light_mode_size);
+
+  if (result == ERROR_SUCCESS) {
+    BOOL enable_dark_mode = light_mode == 0;
+    DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE,
+                          &enable_dark_mode, sizeof(enable_dark_mode));
+  }
+}

windows/runner/win32_window.h

@@ -0,0 +1,102 @@
+#ifndef RUNNER_WIN32_WINDOW_H_
+#define RUNNER_WIN32_WINDOW_H_
+
+#include <windows.h>
+
+#include <functional>
+#include <memory>
+#include <string>
+
+// A class abstraction for a high DPI-aware Win32 Window. Intended to be
+// inherited from by classes that wish to specialize with custom
+// rendering and input handling
+class Win32Window {
+ public:
+  struct Point {
+    unsigned int x;
+    unsigned int y;
+    Point(unsigned int x, unsigned int y) : x(x), y(y) {}
+  };
+
+  struct Size {
+    unsigned int width;
+    unsigned int height;
+    Size(unsigned int width, unsigned int height)
+        : width(width), height(height) {}
+  };
+
+  Win32Window();
+  virtual ~Win32Window();
+
+  // Creates a win32 window with |title| that is positioned and sized using
+  // |origin| and |size|. New windows are created on the default monitor. Window
+  // sizes are specified to the OS in physical pixels, hence to ensure a
+  // consistent size this function will scale the inputted width and height as
+  // as appropriate for the default monitor. The window is invisible until
+  // |Show| is called. Returns true if the window was created successfully.
+  bool Create(const std::wstring& title, const Point& origin, const Size& size);
+
+  // Show the current window. Returns true if the window was successfully shown.
+  bool Show();
+
+  // Release OS resources associated with window.
+  void Destroy();
+
+  // Inserts |content| into the window tree.
+  void SetChildContent(HWND content);
+
+  // Returns the backing Window handle to enable clients to set icon and other
+  // window properties. Returns nullptr if the window has been destroyed.
+  HWND GetHandle();
+
+  // If true, closing this window will quit the application.
+  void SetQuitOnClose(bool quit_on_close);
+
+  // Return a RECT representing the bounds of the current client area.
+  RECT GetClientArea();
+
+ protected:
+  // Processes and route salient window messages for mouse handling,
+  // size change and DPI. Delegates handling of these to member overloads that
+  // inheriting classes can handle.
+  virtual LRESULT MessageHandler(HWND window,
+                                 UINT const message,
+                                 WPARAM const wparam,
+                                 LPARAM const lparam) noexcept;
+
+  // Called when CreateAndShow is called, allowing subclass window-related
+  // setup. Subclasses should return false if setup fails.
+  virtual bool OnCreate();
+
+  // Called when Destroy is called.
+  virtual void OnDestroy();
+
+ private:
+  friend class WindowClassRegistrar;
+
+  // OS callback called by message pump. Handles the WM_NCCREATE message which
+  // is passed when the non-client area is being created and enables automatic
+  // non-client DPI scaling so that the non-client area automatically
+  // responds to changes in DPI. All other messages are handled by
+  // MessageHandler.
+  static LRESULT CALLBACK WndProc(HWND const window,
+                                  UINT const message,
+                                  WPARAM const wparam,
+                                  LPARAM const lparam) noexcept;
+
+  // Retrieves a class instance pointer for |window|
+  static Win32Window* GetThisFromHandle(HWND const window) noexcept;
+
+  // Update the window frame's theme to match the system theme.
+  static void UpdateTheme(HWND const window);
+
+  bool quit_on_close_ = false;
+
+  // window handle for top level window.
+  HWND window_handle_ = nullptr;
+
+  // window handle for hosted content.
+  HWND child_content_ = nullptr;
+};
+
+#endif  // RUNNER_WIN32_WINDOW_H_