ver1.00.00
update
This commit is contained in:
spasolreisa
@@ -1,31 +1,320 @@
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import 'dart:io';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:path_provider/path_provider.dart';
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import 'dart:math';
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import 'package:webview_flutter/webview_flutter.dart'; // 【你要的导入】
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import '../providers/user_provider.dart';
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class SettingPage extends StatelessWidget {
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const SettingPage({super.key});
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@override
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Widget build(BuildContext context) {
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final isDarkMode = Theme.of(context).brightness == Brightness.dark;
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return Scaffold(
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// 注意：这里不需要 bottomNavigationBar 了，因为外层已经有了
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backgroundColor: Colors.transparent, // 关键：背景透明，透出玻璃效果
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body: CustomScrollView(
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slivers: [
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SliverAppBar.large(
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title: const Text('首页'),
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floating: true,
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backgroundColor: Colors.blueAccent.withOpacity(0.8),
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backgroundColor: isDarkMode ? Colors.black : Colors.grey[50],
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appBar: AppBar(
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title: const Text(
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"设置",
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style: TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.w600,
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),
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SliverList(
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delegate: SliverChildBuilderDelegate(
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(context, index) => ListTile(
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title: Text('列表项 $index'),
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leading: const Icon(Icons.article),
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),
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childCount: 20,
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),
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centerTitle: true,
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backgroundColor: isDarkMode ? Colors.black : Colors.white,
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elevation: 0,
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foregroundColor: isDarkMode ? Colors.white : Colors.black87,
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),
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body: SingleChildScrollView(
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padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10),
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child: Column(
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children: [
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const SizedBox(height: 10),
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const _SettingItem(
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title: "缓存管理",
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icon: Icons.storage_rounded,
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hasSwitch: false,
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showTrailingText: true,
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),
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const SizedBox(height: 12),
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const _SettingItem(
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title: "退出登录/清除账号",
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icon: Icons.logout_rounded,
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hasSwitch: false,
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isLogout: true,
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),
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const SizedBox(height: 12),
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const _SettingItem(
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title: "隐私政策",
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icon: Icons.privacy_tip_rounded,
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hasSwitch: false,
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),
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const SizedBox(height: 12),
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const _SettingItem(
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title: "关于我们",
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icon: Icons.info_outline_rounded,
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hasSwitch: false,
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),
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const SizedBox(height: 30),
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],
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),
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),
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);
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}
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}
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class _SettingItem extends StatefulWidget {
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const _SettingItem({
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required this.title,
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required this.icon,
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required this.hasSwitch,
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this.showTrailingText = false,
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this.isLogout = false,
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});
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final String title;
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final IconData icon;
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final bool hasSwitch;
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final bool showTrailingText;
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final bool isLogout;
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@override
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State<_SettingItem> createState() => _SettingItemState();
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}
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class _SettingItemState extends State<_SettingItem> {
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String cacheSize = "计算中...";
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@override
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void initState() {
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super.initState();
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if (widget.showTrailingText) {
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_getCacheSize();
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}
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}
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Future<void> _getCacheSize() async {
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try {
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final cacheDir = await getTemporaryDirectory();
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final imageCacheDir = Directory("${cacheDir.path}/image_cache");
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if (await imageCacheDir.exists()) {
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int totalBytes = 0;
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await for (var file in imageCacheDir.list(recursive: true)) {
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if (file is File) {
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totalBytes += await file.length();
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}
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}
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cacheSize = _formatBytes(totalBytes);
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} else {
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cacheSize = "0 B";
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}
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} catch (e) {
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cacheSize = "获取失败";
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}
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if (mounted) setState(() {});
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}
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Future<void> _clearCache() async {
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try {
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final cacheDir = await getTemporaryDirectory();
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final imageCacheDir = Directory("${cacheDir.path}/image_cache");
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if (await imageCacheDir.exists()) {
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await imageCacheDir.delete(recursive: true);
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}
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setState(() {
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cacheSize = "0 B";
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});
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text("✅ 缓存已清空")),
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);
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}
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text("❌ 清空缓存失败")),
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);
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}
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}
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}
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void _showClearCacheConfirm() {
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showCupertinoDialog(
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context: context,
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builder: (context) => CupertinoAlertDialog(
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title: const Text("确定清空缓存？"),
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content: const Text("清空后将重新加载图片等数据，无法恢复"),
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actions: [
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CupertinoDialogAction(
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child: const Text("取消"),
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onPressed: () => Navigator.pop(context),
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),
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CupertinoDialogAction(
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child: const Text("确定清空"),
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onPressed: () async {
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Navigator.pop(context);
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await _clearCache();
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},
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),
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],
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),
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);
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}
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Future<void> _deleteAccount() async {
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showCupertinoDialog(
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context: context,
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builder: (context) => CupertinoAlertDialog(
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title: const Text("确定退出登录？"),
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content: const Text("将清除本地账号信息，需重新登录"),
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actions: [
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CupertinoDialogAction(
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child: const Text("取消"),
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onPressed: () => Navigator.pop(context),
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),
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CupertinoDialogAction(
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child: const Text("确定退出"),
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onPressed: () async {
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Navigator.pop(context);
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await UserProvider.instance.logout();
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text("✅ 已退出登录，账号已清除")),
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);
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}
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},
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),
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],
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),
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);
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}
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// ================== 打开 WebView 页面 ==================
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void _openWebView(String title, String url) {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => Scaffold(
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appBar: AppBar(title: Text(title)),
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body: WebViewWidget(
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controller: WebViewController()
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..setJavaScriptMode(JavaScriptMode.unrestricted)
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..loadRequest(Uri.parse(url)),
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),
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),
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),
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);
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}
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String _formatBytes(int bytes) {
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if (bytes <= 0) return "0 B";
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const suffixes = ["B", "KB", "MB", "GB"];
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var i = (log(bytes) / log(1024)).floor();
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return '${(bytes / pow(1024, i)).toStringAsFixed(2)} ${suffixes[i]}';
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}
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@override
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Widget build(BuildContext context) {
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final isDarkMode = Theme.of(context).brightness == Brightness.dark;
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return GestureDetector(
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onTap: () {
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if (widget.showTrailingText) {
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_showClearCacheConfirm();
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} else if (widget.isLogout) {
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_deleteAccount();
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} else if (widget.title == "隐私政策") {
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_openWebView("隐私政策", "https://union.godserver.cn/document");
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} else if (widget.title == "关于我们") {
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_openWebView("关于我们", "https://union.godserver.cn/thank");
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}
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},
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child: Container(
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width: double.infinity,
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padding: const EdgeInsets.symmetric(horizontal: 18, vertical: 16),
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decoration: BoxDecoration(
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color: isDarkMode ? Colors.grey[900] : Colors.white,
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borderRadius: BorderRadius.circular(12),
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),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Row(
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children: [
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Icon(
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widget.icon,
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color: isDarkMode ? Colors.white : Colors.black87,
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size: 22,
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),
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const SizedBox(width: 14),
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Text(
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widget.title,
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style: TextStyle(
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color: isDarkMode ? Colors.white : Colors.black87,
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fontSize: 16,
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fontWeight: FontWeight.w500,
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),
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),
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],
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),
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widget.hasSwitch
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? const _SimpleSwitch()
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: widget.showTrailingText
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? Text(
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cacheSize,
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style: TextStyle(
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color: isDarkMode ? Colors.white54 : Colors.black54,
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fontSize: 14,
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),
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)
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: widget.isLogout
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? const SizedBox()
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: Icon(
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Icons.arrow_forward_ios_rounded,
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color: isDarkMode ? Colors.white54 : Colors.black54,
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size: 16,
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),
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],
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),
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),
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);
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}
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}
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class _SimpleSwitch extends StatefulWidget {
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const _SimpleSwitch();
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@override
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State<_SimpleSwitch> createState() => _SimpleSwitchState();
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}
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class _SimpleSwitchState extends State<_SimpleSwitch> {
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bool isEnabled = true;
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@override
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Widget build(BuildContext context) {
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final isDarkMode = Theme.of(context).brightness == Brightness.dark;
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return CupertinoSwitch(
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value: isEnabled,
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onChanged: (val) {
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setState(() => isEnabled = val);
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},
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activeColor: isDarkMode ? Colors.white : Colors.blueAccent,
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trackColor: isDarkMode ? Colors.white38 : Colors.grey[300],
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thumbColor: isDarkMode ? Colors.white : Colors.white,
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);
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}
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}
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