✨ About page

lib/main.dart

@@ -17,19 +17,17 @@ class CalcApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp.router(
-      title: '方程计算器',
+      title: 'SimpleMathCalc',
       theme: ThemeData(
         primarySwatch: Colors.blue,
         useMaterial3: true,
         textTheme: GoogleFonts.notoSerifScTextTheme(
-          Theme.of(context).textTheme, // Inherit existing text theme
+          ThemeData().textTheme, // Inherit existing text theme
         ),
       ),
       darkTheme: ThemeData.dark().copyWith(
         primaryColor: Colors.blue,
-        textTheme: GoogleFonts.notoSerifScTextTheme(
+        textTheme: GoogleFonts.notoSerifScTextTheme(ThemeData.dark().textTheme),
-          Theme.of(context).textTheme,
-        ),
       ),
       themeMode: ThemeMode.system,
       routerConfig: _router,

lib/screens/about_page.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher.dart';
 
 class AboutPage extends StatelessWidget {
   const AboutPage({super.key});
@@ -6,45 +7,79 @@ class AboutPage extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      appBar: AppBar(title: const Text('About')),
+      appBar: AppBar(title: const Text('关于')),
-      body: Padding(
+      body: Center(
-        padding: const EdgeInsets.all(16.0),
+        child: SingleChildScrollView(
-        child: Column(
+          padding: const EdgeInsets.all(16.0),
-          crossAxisAlignment: CrossAxisAlignment.center,
+          child: ConstrainedBox(
-          children: [
+            constraints: const BoxConstraints(maxWidth: 320),
-            const SizedBox(height: 20),
+            child: Column(
-            Icon(
+              crossAxisAlignment: CrossAxisAlignment.stretch,
-              Icons.calculate,
+              children: [
-              size: 80,
+                const SizedBox(height: 20),
-              color: Theme.of(context).colorScheme.primary,
+                Center(
+                  child: ClipRRect(
+                    borderRadius: const BorderRadius.all(Radius.circular(8)),
+                    child: Image.asset(
+                      'assets/icon.jpg',
+                      width: 80,
+                      height: 80,
+                    ),
+                  ),
+                ),
+                const SizedBox(height: 20),
+                Text(
+                  'Simple Math Calc',
+                  style: Theme.of(context).textTheme.headlineMedium,
+                  textAlign: TextAlign.center,
+                ),
+                const SizedBox(height: 10),
+                Text(
+                  '简单数学计算器',
+                  style: Theme.of(context).textTheme.bodyLarge,
+                  textAlign: TextAlign.center,
+                ),
+                const SizedBox(height: 20),
+                Opacity(
+                  opacity: 0.8,
+                  child: Text(
+                    '这是一个用于求解方程和表达式的计算器应用。\n支持多种类型的数学计算，包括代数方程、表达式求值等。\n\n结果仅供参考，纯机器计算，无 AI 成分。\n\n在书写方程的时候，请勿使用中文符号，平方请使用 ^n 来表示 n 次方。\n\n理性使用，仅为辅助学习目的，过量使用有害考试成绩。',
+                    style: Theme.of(context).textTheme.bodyMedium,
+                    textAlign: TextAlign.center,
+                  ),
+                ),
+                const SizedBox(height: 20),
+                Text(
+                  '© 2025 LittleSheep',
+                  style: Theme.of(context).textTheme.bodySmall,
+                  textAlign: TextAlign.center,
+                ),
+                const SizedBox(height: 30),
+                Text(
+                  '看看 LittleSheep 的其他作品',
+                  style: Theme.of(context).textTheme.titleMedium,
+                  textAlign: TextAlign.center,
+                ),
+                const SizedBox(height: 16),
+                ListTile(
+                  leading: const Icon(Icons.web),
+                  trailing: const Icon(Icons.chevron_right),
+                  title: const Text('Solar Network'),
+                  subtitle: const Text('aka Solian'),
+                  onTap: () => _launchUrl('https://web.solian.app'),
+                ),
+              ],
             ),
-            const SizedBox(height: 20),
+          ),
-            Text(
-              '方程计算器',
-              style: Theme.of(context).textTheme.headlineMedium,
-              textAlign: TextAlign.center,
-            ),
-            const SizedBox(height: 10),
-            Text(
-              'Version 1.0.0',
-              style: Theme.of(context).textTheme.bodyLarge,
-              textAlign: TextAlign.center,
-            ),
-            const SizedBox(height: 20),
-            Text(
-              '这是一个用于求解方程和表达式的计算器应用。\n\n支持多种类型的数学计算，包括代数方程、表达式求值等。',
-              style: Theme.of(context).textTheme.bodyMedium,
-              textAlign: TextAlign.center,
-            ),
-            const SizedBox(height: 30),
-            Text(
-              '© 2025 Simple Math Calculator',
-              style: Theme.of(context).textTheme.bodySmall,
-              textAlign: TextAlign.center,
-            ),
-          ],
         ),
       ),
     );
   }
+
+  Future<void> _launchUrl(String url) async {
+    final Uri uri = Uri.parse(url);
+    if (!await launchUrl(uri)) {
+      throw Exception('Could not launch $url');
+    }
+  }
 }

lib/screens/calculator_home_page.dart

@@ -74,6 +74,8 @@ class _CalculatorHomePageState extends State<CalculatorHomePage> {
                       hintText: '例如: 2x^2 - 8x + 6 = 0',
                     ),
                     onSubmitted: (_) => _solveEquation(),
+                    onTapOutside: (_) =>
+                        FocusManager.instance.primaryFocus?.unfocus(),
                   ),
                 ),
                 IconButton(

lib/screens/home_screen.dart

@@ -29,11 +29,8 @@ class _HomeScreenState extends State<HomeScreen> {
       body: _widgetOptions.elementAt(_selectedIndex),
       bottomNavigationBar: BottomNavigationBar(
         items: const <BottomNavigationBarItem>[
-          BottomNavigationBarItem(
+          BottomNavigationBarItem(icon: Icon(Icons.calculate), label: '计算'),
-            icon: Icon(Icons.calculate),
+          BottomNavigationBarItem(icon: Icon(Icons.info), label: '关于'),
-            label: 'Calculator',
-          ),
-          BottomNavigationBarItem(icon: Icon(Icons.info), label: 'About'),
         ],
         currentIndex: _selectedIndex,
         onTap: _onItemTapped,

linux/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,10 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <url_launcher_linux/url_launcher_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
+  url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);
 }

linux/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  url_launcher_linux
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -6,7 +6,9 @@ import FlutterMacOS
 import Foundation
 
 import path_provider_foundation
+import url_launcher_macos
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
+  UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))
 }

pubspec.lock

@@ -501,6 +501,70 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.2.2"
+  url_launcher:
+    dependency: "direct main"
+    description:
+      name: url_launcher
+      sha256: f6a7e5c4835bb4e3026a04793a4199ca2d14c739ec378fdfe23fc8075d0439f8
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.2"
+  url_launcher_android:
+    dependency: transitive
+    description:
+      name: url_launcher_android
+      sha256: "07cffecb7d68cbc6437cd803d5f11a86fe06736735c3dfe46ff73bcb0f958eed"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.21"
+  url_launcher_ios:
+    dependency: transitive
+    description:
+      name: url_launcher_ios
+      sha256: d80b3f567a617cb923546034cc94bfe44eb15f989fe670b37f26abdb9d939cb7
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.4"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      sha256: "4e9ba368772369e3e08f231d2301b4ef72b9ff87c31192ef471b380ef29a4935"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.1"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      sha256: c043a77d6600ac9c38300567f33ef12b0ef4f4783a2c1f00231d2b1941fea13f
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.3"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      sha256: "552f8a1e663569be95a8190206a38187b531910283c3e982193e4f2733f01029"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      sha256: "4bd2b7b4dc4d4d0b94e5babfffbca8eac1a126c7f3d6ecbc1a11013faa3abba2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      sha256: "3284b6d2ac454cf34f114e1d3319866fdd1e19cdc329999057e44ffe936cfa77"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.4"
   vector_graphics:
     dependency: transitive
     description:
@@ -575,4 +639,4 @@ packages:
     version: "3.1.3"
 sdks:
   dart: ">=3.9.2 <4.0.0"
-  flutter: ">=3.29.0"
+  flutter: ">=3.35.0"

pubspec.yaml

@@ -38,6 +38,7 @@ dependencies:
   latext: ^0.5.1
   google_fonts: ^6.3.1
   go_router: ^14.2.0
+  url_launcher: ^6.3.0
 
 dev_dependencies:
   flutter_test:
@@ -63,9 +64,8 @@ flutter:
   uses-material-design: true
 
   # To add assets to your application, add an assets section, like this:
-  # assets:
+  assets:
-  #   - images/a_dot_burr.jpeg
+    - assets/icon.jpg
-  #   - images/a_dot_ham.jpeg
 
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/to/resolution-aware-images

windows/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,9 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <url_launcher_windows/url_launcher_windows.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
+  UrlLauncherWindowsRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("UrlLauncherWindows"));
 }

windows/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  url_launcher_windows
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST