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client/lib/features/profile/widgets/about_dialog.dart Normal file
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import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:package_info_plus/package_info_plus.dart';
import '../../../core/theme/app_colors.dart';
/// 关于应用对话框
class AboutAppDialog extends StatefulWidget {
const AboutAppDialog({super.key});
@override
State<AboutAppDialog> createState() => _AboutAppDialogState();
}
class _AboutAppDialogState extends State<AboutAppDialog> {
PackageInfo? _packageInfo;
@override
void initState() {
super.initState();
_loadPackageInfo();
}
Future<void> _loadPackageInfo() async {
try {
final packageInfo = await PackageInfo.fromPlatform();
if (mounted) {
setState(() {
_packageInfo = packageInfo;
});
}
} catch (e) {
// 如果获取包信息失败，使用默认值
if (mounted) {
setState(() {
_packageInfo = PackageInfo(
appName: 'AI英语学习',
packageName: 'com.example.ai_english_learning',
version: '1.0.0',
buildNumber: '1',
buildSignature: '',
installerStore: null,
);
});
}
}
}
@override
Widget build(BuildContext context) {
return Dialog(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(16),
),
child: Container(
padding: const EdgeInsets.all(24),
constraints: const BoxConstraints(maxWidth: 400),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
// 应用图标和名称
_buildAppHeader(),
const SizedBox(height: 24),
// 版本信息
_buildVersionInfo(),
const SizedBox(height: 24),
// 应用描述
_buildAppDescription(),
const SizedBox(height: 24),
// 开发团队信息
_buildTeamInfo(),
const SizedBox(height: 24),
// 联系方式
_buildContactInfo(),
const SizedBox(height: 24),
// 法律信息
_buildLegalInfo(),
const SizedBox(height: 24),
// 关闭按钮
_buildCloseButton(),
],
),
),
);
}
/// 构建应用头部
Widget _buildAppHeader() {
return Column(
children: [
// 应用图标
Container(
width: 80,
height: 80,
decoration: BoxDecoration(
gradient: LinearGradient(
colors: [
AppColors.primary,
AppColors.primary.withOpacity(0.8),
],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
borderRadius: BorderRadius.circular(20),
boxShadow: [
BoxShadow(
color: AppColors.primary.withOpacity(0.3),
blurRadius: 20,
offset: const Offset(0, 8),
),
],
),
child: const Icon(
Icons.school,
color: Colors.white,
size: 40,
),
),
const SizedBox(height: 16),
// 应用名称
Text(
_packageInfo?.appName ?? 'AI英语学习',
style: TextStyle(
fontSize: 24,
fontWeight: FontWeight.bold,
color: AppColors.onSurface,
),
),
const SizedBox(height: 8),
// 应用标语
Text(
'智能化英语学习助手',
style: TextStyle(
fontSize: 16,
color: AppColors.onSurfaceVariant,
),
),
],
);
}
/// 构建版本信息
Widget _buildVersionInfo() {
return Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: AppColors.surface,
borderRadius: BorderRadius.circular(12),
border: Border.all(
color: AppColors.outline.withOpacity(0.2),
),
),
child: Column(
children: [
_buildInfoRow(
'版本号',
_packageInfo?.version ?? '1.0.0',
),
const SizedBox(height: 8),
_buildInfoRow(
'构建号',
_packageInfo?.buildNumber ?? '1',
),
const SizedBox(height: 8),
_buildInfoRow(
'发布日期',
'2024年1月',
),
],
),
);
}
/// 构建应用描述
Widget _buildAppDescription() {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'应用介绍',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: AppColors.onSurface,
),
),
const SizedBox(height: 12),
Text(
'AI英语学习是一款基于人工智能技术的英语学习应用，提供个性化的学习方案，包括单词记忆、语法练习、听力训练、口语练习等功能，帮助用户高效提升英语水平。',
style: TextStyle(
fontSize: 14,
color: AppColors.onSurfaceVariant,
height: 1.5,
),
),
],
);
}
/// 构建团队信息
Widget _buildTeamInfo() {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'开发团队',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: AppColors.onSurface,
),
),
const SizedBox(height: 12),
_buildTeamMember('产品经理', 'Alice Wang'),
_buildTeamMember('技术负责人', 'Bob Chen'),
_buildTeamMember('UI/UX设计师', 'Carol Li'),
_buildTeamMember('前端开发', 'David Zhang'),
_buildTeamMember('后端开发', 'Eva Liu'),
],
);
}
/// 构建团队成员信息
Widget _buildTeamMember(String role, String name) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 4),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
role,
style: TextStyle(
fontSize: 14,
color: AppColors.onSurfaceVariant,
),
),
Text(
name,
style: TextStyle(
fontSize: 14,
fontWeight: FontWeight.w500,
color: AppColors.onSurface,
),
),
],
),
);
}
/// 构建联系信息
Widget _buildContactInfo() {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'联系我们',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: AppColors.onSurface,
),
),
const SizedBox(height: 12),
_buildContactItem(
Icons.email,
'邮箱',
'support@aienglish.com',
() => _copyToClipboard('support@aienglish.com', '邮箱地址已复制'),
),
_buildContactItem(
Icons.language,
'官网',
'www.aienglish.com',
() => _copyToClipboard('www.aienglish.com', '网址已复制'),
),
_buildContactItem(
Icons.phone,
'客服电话',
'400-123-4567',
() => _copyToClipboard('400-123-4567', '电话号码已复制'),
),
],
);
}
/// 构建联系项目
Widget _buildContactItem(
IconData icon,
String label,
String value,
VoidCallback onTap,
) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 4),
child: GestureDetector(
onTap: onTap,
child: Row(
children: [
Icon(
icon,
size: 16,
color: AppColors.primary,
),
const SizedBox(width: 8),
Text(
'$label: ',
style: TextStyle(
fontSize: 14,
color: AppColors.onSurfaceVariant,
),
),
Expanded(
child: Text(
value,
style: TextStyle(
fontSize: 14,
color: AppColors.primary,
decoration: TextDecoration.underline,
),
),
),
Icon(
Icons.copy,
size: 16,
color: AppColors.onSurfaceVariant,
),
],
),
),
);
}
/// 构建法律信息
Widget _buildLegalInfo() {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'法律信息',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: AppColors.onSurface,
),
),
const SizedBox(height: 12),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
_buildLegalLink('用户协议', () => _showLegalDocument('用户协议')),
_buildLegalLink('隐私政策', () => _showLegalDocument('隐私政策')),
_buildLegalLink('开源许可', () => _showLicenses()),
],
),
const SizedBox(height: 12),
Text(
'© 2024 AI英语学习团队. 保留所有权利.',
style: TextStyle(
fontSize: 12,
color: AppColors.onSurfaceVariant,
),
textAlign: TextAlign.center,
),
],
);
}
/// 构建法律链接
Widget _buildLegalLink(String text, VoidCallback onTap) {
return GestureDetector(
onTap: onTap,
child: Text(
text,
style: TextStyle(
fontSize: 14,
color: AppColors.primary,
decoration: TextDecoration.underline,
),
),
);
}
/// 构建信息行
Widget _buildInfoRow(String label, String value) {
return Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
label,
style: TextStyle(
fontSize: 14,
color: AppColors.onSurfaceVariant,
),
),
Text(
value,
style: TextStyle(
fontSize: 14,
fontWeight: FontWeight.w500,
color: AppColors.onSurface,
),
),
],
);
}
/// 构建关闭按钮
Widget _buildCloseButton() {
return SizedBox(
width: double.infinity,
child: ElevatedButton(
onPressed: () => Navigator.of(context).pop(),
style: ElevatedButton.styleFrom(
backgroundColor: AppColors.primary,
foregroundColor: Colors.white,
padding: const EdgeInsets.symmetric(vertical: 12),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
),
child: const Text(
'关闭',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w600,
),
),
),
);
}
/// 复制到剪贴板
void _copyToClipboard(String text, String message) {
Clipboard.setData(ClipboardData(text: text));
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(message),
duration: const Duration(seconds: 2),
),
);
}
/// 显示法律文档
void _showLegalDocument(String title) {
showDialog(
context: context,
builder: (context) => AlertDialog(
title: Text(title),
content: SingleChildScrollView(
child: Text(
title == '用户协议'
? _getUserAgreementText()
: _getPrivacyPolicyText(),
style: const TextStyle(fontSize: 14, height: 1.5),
),
),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text('关闭'),
),
],
),
);
}
/// 显示开源许可
void _showLicenses() {
showLicensePage(
context: context,
applicationName: _packageInfo?.appName ?? 'AI英语学习',
applicationVersion: _packageInfo?.version ?? '1.0.0',
applicationIcon: Container(
width: 48,
height: 48,
decoration: BoxDecoration(
gradient: LinearGradient(
colors: [
AppColors.primary,
AppColors.primary.withOpacity(0.8),
],
),
borderRadius: BorderRadius.circular(12),
),
child: const Icon(
Icons.school,
color: Colors.white,
size: 24,
),
),
);
}
/// 获取用户协议文本
String _getUserAgreementText() {
return '''
欢迎使用AI英语学习应用！
1. 服务条款
本应用为用户提供英语学习服务，包括但不限于单词学习、语法练习、听力训练等功能。
2. 用户责任
用户应当合法使用本应用，不得进行任何违法违规行为。
3. 隐私保护
我们重视用户隐私，详细信息请查看隐私政策。
4. 知识产权
本应用的所有内容均受知识产权法保护。
5. 免责声明
本应用仅供学习参考，不承担任何学习效果保证责任。
6. 协议修改
我们保留随时修改本协议的权利，修改后的协议将在应用内公布。
如有疑问，请联系客服：support@aienglish.com
''';
}
/// 获取隐私政策文本
String _getPrivacyPolicyText() {
return '''
AI英语学习隐私政策
1. 信息收集
我们可能收集以下信息：
- 账户信息（用户名、邮箱等）
- 学习数据（学习进度、成绩等）
- 设备信息（设备型号、操作系统等）
2. 信息使用
收集的信息用于：
- 提供个性化学习服务
- 改进应用功能
- 发送重要通知
3. 信息保护
我们采用行业标准的安全措施保护用户信息。
4. 信息共享
除法律要求外，我们不会与第三方共享用户个人信息。
5. Cookie使用
我们可能使用Cookie来改善用户体验。
6. 政策更新
本隐私政策可能会定期更新，请关注最新版本。
联系我们：support@aienglish.com
''';
}
}
/// 显示关于应用对话框的便捷方法
void showAboutAppDialog(BuildContext context) {
showDialog(
context: context,
builder: (context) => const AboutAppDialog(),
);
}