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This commit is contained in:
LittleSheep
2025-09-13 02:26:35 +08:00
parent 2575803aa4
commit 3b315d26fa
11 changed files with 157 additions and 50 deletions
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8
lib/main.dart
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@@ -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(
Theme.of(context).textTheme,
),
textTheme: GoogleFonts.notoSerifScTextTheme(ThemeData.dark().textTheme),
),
themeMode: ThemeMode.system,
routerConfig: _router,

107
lib/screens/about_page.dart
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@@ -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')),
body: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
const SizedBox(height: 20),
Icon(
Icons.calculate,
size: 80,
color: Theme.of(context).colorScheme.primary,
appBar: AppBar(title: const Text('关于')),
body: Center(
child: SingleChildScrollView(
padding: const EdgeInsets.all(16.0),
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 320),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
const SizedBox(height: 20),
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');
}
}
}

2
lib/screens/calculator_home_page.dart
View File

@@ -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(

7
lib/screens/home_screen.dart
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@@ -29,11 +29,8 @@ class _HomeScreenState extends State<HomeScreen> {
body: _widgetOptions.elementAt(_selectedIndex),
bottomNavigationBar: BottomNavigationBar(
items: const <BottomNavigationBarItem>[
BottomNavigationBarItem(
icon: Icon(Icons.calculate),
label: 'Calculator',
),
BottomNavigationBarItem(icon: Icon(Icons.info), label: 'About'),
BottomNavigationBarItem(icon: Icon(Icons.calculate), label: '计算'),
BottomNavigationBarItem(icon: Icon(Icons.info), label: '关于'),
],
currentIndex: _selectedIndex,
onTap: _onItemTapped,