generated from dellevin/template
136 lines
4.1 KiB
Dart
136 lines
4.1 KiB
Dart
import 'package:flutter/material.dart';
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import '../../utils/user_prefs.dart';
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import '../../utils/toast_util.dart';
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import '../../utils/app_icon_channel.dart';
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/// 应用图标选择页面
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class AppIconPickerPage extends StatefulWidget {
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const AppIconPickerPage({super.key});
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@override
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State<AppIconPickerPage> createState() => _AppIconPickerPageState();
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}
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class _AppIconPickerPageState extends State<AppIconPickerPage> {
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final UserPrefs _userPrefs = UserPrefs();
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String _currentIconName = 'app_icon';
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final List<Map<String, String>> _icons = [
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{'name': 'app_icon', 'label': '默认图标'},
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{'name': 'app_icon2', 'label': '风格二'},
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];
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@override
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void initState() {
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super.initState();
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_loadCurrentIcon();
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}
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Future<void> _loadCurrentIcon() async {
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final nativeIcon = await AppIconChannel.getCurrentIcon();
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setState(() {
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_currentIconName = nativeIcon;
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});
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}
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Future<void> _selectIcon(String iconName) async {
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if (iconName == _currentIconName) return;
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try {
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final success = await AppIconChannel.switchIcon(iconName);
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if (success) {
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await _userPrefs.setAppIconName(iconName);
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setState(() {
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_currentIconName = iconName;
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});
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if (mounted) {
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ToastUtil.show(context, '图标已切换，请返回桌面查看');
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}
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} else {
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if (mounted) {
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ToastUtil.show(context, '图标切换失败');
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}
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}
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} catch (e) {
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if (mounted) {
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ToastUtil.show(context, '切换出错: $e');
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}
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}
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}
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@override
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Widget build(BuildContext context) {
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final colors = Theme.of(context).colorScheme;
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return Scaffold(
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backgroundColor: colors.surface,
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appBar: AppBar(
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title: const Text('应用图标'),
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),
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body: GridView.builder(
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padding: const EdgeInsets.all(24),
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gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 2,
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childAspectRatio: 0.85,
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crossAxisSpacing: 16,
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mainAxisSpacing: 16,
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),
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itemCount: _icons.length,
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itemBuilder: (context, index) {
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final icon = _icons[index];
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final isSelected = _currentIconName == icon['name'];
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return GestureDetector(
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onTap: () => _selectIcon(icon['name']!),
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child: Container(
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decoration: BoxDecoration(
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color: isSelected ? colors.outlineVariant : colors.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(16),
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border: Border.all(
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color: isSelected ? colors.primary : colors.outlineVariant,
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width: isSelected ? 2 : 1,
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),
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),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Image.asset(
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'assets/icon/${icon['name']}.png',
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width: 64,
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height: 64,
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errorBuilder: (context, error, stackTrace) {
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return Container(
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width: 64,
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height: 64,
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decoration: BoxDecoration(
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color: colors.outlineVariant,
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borderRadius: BorderRadius.circular(12),
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),
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child: Icon(Icons.image_not_supported, color: colors.onSurface.withValues(alpha: 0.4)),
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);
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},
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),
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const SizedBox(height: 12),
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Text(
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icon['label']!,
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style: TextStyle(
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fontSize: 14,
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fontWeight: isSelected ? FontWeight.w600 : FontWeight.normal,
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color: colors.onSurface,
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),
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),
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if (isSelected) ...[
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const SizedBox(height: 4),
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Icon(Icons.check_circle, size: 18, color: colors.primary),
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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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}
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}
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