新增静态演示界面

This commit is contained in:
2026-07-21 17:41:01 +08:00
parent 030b11fe67
commit b9d7c9f2ee
23 changed files with 4215 additions and 144 deletions
+852 -5
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@@ -1,13 +1,860 @@
// import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:patbond_flutter/core/theme/app_theme.dart';
import 'package:patbond_flutter/data/demo_data.dart';
import 'package:patbond_flutter/models/models.dart';
import 'package:patbond_flutter/state/app_state.dart';
import 'package:patbond_flutter/widgets/common.dart';
class HomePage extends StatelessWidget{
const HomePage({super.key});
enum HomeSegment { feed, services }
class HomePage extends StatefulWidget {
const HomePage({
required this.appState,
required this.onOpenPost,
required this.onOpenServices,
required this.onOpenCreate,
super.key,
});
final AppState appState;
final ValueChanged<PostModel> onOpenPost;
final ValueChanged<bool> onOpenServices;
final VoidCallback onOpenCreate;
@override
State<HomePage> createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
HomeSegment segment = HomeSegment.feed;
String query = '';
String sort = '综合';
List<PostModel> get filteredPosts {
final keyword = query.trim().toLowerCase();
if (keyword.isEmpty) return widget.appState.posts;
return widget.appState.posts.where((post) {
return post.content.toLowerCase().contains(keyword) ||
post.authorName.toLowerCase().contains(keyword) ||
post.tags.any((tag) => tag.toLowerCase().contains(keyword));
}).toList();
}
List<ServiceProviderModel> get filteredProviders {
final keyword = query.trim().toLowerCase();
final result = serviceProviders.where((provider) {
if (keyword.isEmpty) return true;
return provider.name.toLowerCase().contains(keyword) ||
provider.description.toLowerCase().contains(keyword) ||
provider.tags.any((tag) => tag.toLowerCase().contains(keyword));
}).toList();
if (sort == '距离') {
result.sort(
(a, b) => double.parse(
a.distance.replaceAll('km', ''),
).compareTo(double.parse(b.distance.replaceAll('km', ''))),
);
} else if (sort == '评分') {
result.sort((a, b) => b.rating.compareTo(a.rating));
}
return result;
}
String get greeting {
final hour = DateTime.now().hour;
if (hour < 6) return '夜深了';
if (hour < 11) return '早上好';
if (hour < 14) return '中午好';
if (hour < 18) return '下午好';
return '晚上好';
}
Future<void> selectArea() async {
final selected = await showModalBottomSheet<LocationWeather>(
context: context,
useSafeArea: true,
showDragHandle: true,
builder: (context) {
return _AreaPickerSheet(current: widget.appState.locationWeather);
},
);
if (selected != null) {
await widget.appState.updateLocationWeather(selected);
}
}
Future<void> showWeatherDetails() {
final weather = widget.appState.locationWeather;
return showModalBottomSheet<void>(
context: context,
useSafeArea: true,
showDragHandle: true,
builder: (context) => _WeatherDetailsSheet(weather: weather),
);
}
@override
Widget build(BuildContext context) {
return const Center(
child: Text("Patbond"),
return RefreshIndicator(
onRefresh: () async =>
Future<void>.delayed(const Duration(milliseconds: 500)),
child: ListView(
padding: const EdgeInsets.fromLTRB(16, 12, 16, 28),
children: [
_WeatherStatusBar(
weather: widget.appState.locationWeather,
onAreaTap: selectArea,
onWeatherTap: showWeatherDetails,
),
const SizedBox(height: 12),
_PetGreetingCard(
greeting: greeting,
petName: widget.appState.pet.name,
petAvatar: widget.appState.pet.avatarUrl,
advice: widget.appState.locationWeather.petAdvice,
),
const SizedBox(height: 14),
TextField(
onChanged: (value) => setState(() => query = value),
decoration: const InputDecoration(
hintText: '搜索动态、医院、美容或遛狗服务…',
prefixIcon: Icon(Icons.search),
),
),
const SizedBox(height: 14),
SegmentedButton<HomeSegment>(
segments: const [
ButtonSegment(
value: HomeSegment.feed,
icon: Icon(Icons.forum_outlined),
label: Text('社区动态'),
),
ButtonSegment(
value: HomeSegment.services,
icon: Icon(Icons.storefront_outlined),
label: Text('本地服务'),
),
],
selected: {segment},
showSelectedIcon: false,
onSelectionChanged: (value) {
setState(() => segment = value.first);
},
),
const SizedBox(height: 18),
if (segment == HomeSegment.feed) ...[
_StoryRow(onCreate: widget.onOpenCreate),
const SizedBox(height: 18),
_PromoCard(onTap: () => widget.onOpenServices(true)),
const SizedBox(height: 18),
if (filteredPosts.isEmpty)
const EmptyState(message: '没有找到相关动态')
else
...filteredPosts.map(
(post) => Padding(
padding: const EdgeInsets.only(bottom: 16),
child: _PostCard(
post: post,
onTap: () => widget.onOpenPost(post),
onLike: () => widget.appState.updatePost(
post.copyWith(
hasLiked: !post.hasLiked,
likes: post.hasLiked ? post.likes - 1 : post.likes + 1,
),
),
),
),
),
] else ...[
_CategoryGrid(onTap: (_) => widget.onOpenServices(false)),
const SizedBox(height: 18),
Row(
children: [
Text('附近推荐', style: Theme.of(context).textTheme.titleLarge),
const Spacer(),
for (final item in ['综合', '距离', '评分'])
Padding(
padding: const EdgeInsets.only(left: 6),
child: ChoiceChip(
label: Text(item),
selected: sort == item,
onSelected: (_) => setState(() => sort = item),
),
),
],
),
const SizedBox(height: 12),
if (filteredProviders.isEmpty)
const EmptyState(message: '没有找到相关服务')
else
...filteredProviders.map(
(provider) => Padding(
padding: const EdgeInsets.only(bottom: 12),
child: _ProviderCompactCard(
provider: provider,
onTap: () => widget.onOpenServices(
provider.kind == ProviderKind.personal,
),
),
),
),
],
],
),
);
}
}
class _WeatherStatusBar extends StatelessWidget {
const _WeatherStatusBar({
required this.weather,
required this.onAreaTap,
required this.onWeatherTap,
});
final LocationWeather weather;
final VoidCallback onAreaTap;
final VoidCallback onWeatherTap;
@override
Widget build(BuildContext context) {
return Row(
children: [
Expanded(
child: InkWell(
key: const ValueKey('area-selector'),
onTap: onAreaTap,
borderRadius: BorderRadius.circular(14),
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 7, horizontal: 3),
child: Row(
children: [
const Icon(
Icons.location_on_outlined,
size: 21,
color: AppColors.ink,
),
const SizedBox(width: 5),
Flexible(
child: Text(
weather.displayArea,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: const TextStyle(
fontSize: 13,
fontWeight: FontWeight.w800,
),
),
),
const SizedBox(width: 3),
const Icon(
Icons.keyboard_arrow_down,
size: 18,
color: AppColors.muted,
),
],
),
),
),
),
InkWell(
key: const ValueKey('weather-details'),
onTap: onWeatherTap,
borderRadius: BorderRadius.circular(99),
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 11, vertical: 7),
decoration: BoxDecoration(
color: _weatherColor(weather.condition).withAlpha(22),
borderRadius: BorderRadius.circular(99),
),
child: Row(
children: [
Icon(
_weatherIcon(weather.condition),
size: 19,
color: _weatherColor(weather.condition),
),
const SizedBox(width: 5),
Text(
'${weather.temperature}°C ${weather.conditionText}',
style: const TextStyle(
fontSize: 13,
fontWeight: FontWeight.w800,
),
),
],
),
),
),
],
);
}
}
class _PetGreetingCard extends StatelessWidget {
const _PetGreetingCard({
required this.greeting,
required this.petName,
required this.petAvatar,
required this.advice,
});
final String greeting;
final String petName;
final String petAvatar;
final String advice;
@override
Widget build(BuildContext context) {
return Container(
height: 138,
clipBehavior: Clip.antiAlias,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(26),
gradient: const LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [Color(0xFFECFDF5), Color(0xFFFFF7ED)],
),
),
child: Stack(
children: [
const Positioned(
left: 160,
top: 15,
child: Icon(Icons.pets, size: 28, color: Color(0x224F46E5)),
),
Positioned(
right: -5,
bottom: -10,
child: RemoteImage(
url: petAvatar,
width: 145,
height: 145,
borderRadius: BorderRadius.circular(72),
),
),
Padding(
padding: const EdgeInsets.fromLTRB(18, 19, 130, 17),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'$greeting$petName 👋',
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: const TextStyle(
color: AppColors.ink,
fontSize: 20,
fontWeight: FontWeight.w900,
),
),
const SizedBox(height: 7),
Text(
advice,
maxLines: 3,
overflow: TextOverflow.ellipsis,
style: const TextStyle(
color: Color(0xFF475569),
fontSize: 12,
height: 1.45,
fontWeight: FontWeight.w600,
),
),
],
),
),
],
),
);
}
}
class _AreaPickerSheet extends StatelessWidget {
const _AreaPickerSheet({required this.current});
final LocationWeather current;
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.fromLTRB(20, 0, 20, 24),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('选择地区', style: Theme.of(context).textTheme.titleLarge),
const SizedBox(height: 4),
Text(
'当前为演示天气,选择后会保存在本机。',
style: Theme.of(context).textTheme.bodySmall,
),
const SizedBox(height: 14),
Flexible(
child: ListView.separated(
shrinkWrap: true,
itemCount: locationWeatherOptions.length,
separatorBuilder: (_, _) => const Divider(height: 1),
itemBuilder: (context, index) {
final option = locationWeatherOptions[index];
final selected =
option.city == current.city &&
option.district == current.district;
return ListTile(
contentPadding: EdgeInsets.zero,
leading: CircleAvatar(
backgroundColor: _weatherColor(
option.condition,
).withAlpha(22),
child: Icon(
_weatherIcon(option.condition),
color: _weatherColor(option.condition),
),
),
title: Text(
option.displayArea,
style: const TextStyle(fontWeight: FontWeight.w800),
),
subtitle: Text(
'${option.conditionText} · ${option.lowTemperature}° / ${option.highTemperature}°',
),
trailing: selected
? const Icon(Icons.check_circle, color: AppColors.primary)
: Text('${option.temperature}°C'),
onTap: () => Navigator.pop(context, option),
);
},
),
),
],
),
);
}
}
class _WeatherDetailsSheet extends StatelessWidget {
const _WeatherDetailsSheet({required this.weather});
final LocationWeather weather;
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.fromLTRB(20, 0, 20, 28),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
weather.displayArea,
style: Theme.of(context).textTheme.titleLarge,
),
const SizedBox(height: 18),
Row(
children: [
Icon(
_weatherIcon(weather.condition),
color: _weatherColor(weather.condition),
size: 56,
),
const SizedBox(width: 16),
Text(
'${weather.temperature}°',
style: const TextStyle(
fontSize: 44,
fontWeight: FontWeight.w300,
),
),
const SizedBox(width: 8),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
weather.conditionText,
style: const TextStyle(fontWeight: FontWeight.w800),
),
Text(
'${weather.lowTemperature}° / ${weather.highTemperature}°',
style: Theme.of(context).textTheme.bodySmall,
),
],
),
const Spacer(),
Column(
crossAxisAlignment: CrossAxisAlignment.end,
children: [
const Text('湿度'),
Text(
'${weather.humidity}%',
style: const TextStyle(fontWeight: FontWeight.w800),
),
],
),
],
),
const SizedBox(height: 20),
Container(
width: double.infinity,
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: const Color(0xFFEEF2FF),
borderRadius: BorderRadius.circular(18),
),
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Icon(Icons.pets, color: AppColors.primary),
const SizedBox(width: 10),
Expanded(child: Text(weather.petAdvice)),
],
),
),
],
),
);
}
}
IconData _weatherIcon(WeatherCondition condition) {
return switch (condition) {
WeatherCondition.sunny => Icons.wb_sunny_rounded,
WeatherCondition.cloudy => Icons.cloud_queue_rounded,
WeatherCondition.rainy => Icons.water_drop_rounded,
WeatherCondition.overcast => Icons.cloud_rounded,
WeatherCondition.snow => Icons.ac_unit_rounded,
};
}
Color _weatherColor(WeatherCondition condition) {
return switch (condition) {
WeatherCondition.sunny => const Color(0xFFF59E0B),
WeatherCondition.cloudy => const Color(0xFF64748B),
WeatherCondition.rainy => const Color(0xFF0284C7),
WeatherCondition.overcast => const Color(0xFF475569),
WeatherCondition.snow => const Color(0xFF0891B2),
};
}
class _StoryRow extends StatelessWidget {
const _StoryRow({required this.onCreate});
final VoidCallback onCreate;
@override
Widget build(BuildContext context) {
final stories = [
('发布', Icons.add, petAvatar),
('柴犬圈', Icons.pets, generatedPetImage),
(
'猫咪圈',
Icons.pets,
'https://images.unsplash.com/photo-1574158622682-e40e69881006?auto=format&fit=crop&w=300&q=80',
),
(
'救助站',
Icons.volunteer_activism,
'https://images.unsplash.com/photo-1548199973-03cce0bbc87b?auto=format&fit=crop&w=300&q=80',
),
];
return SizedBox(
height: 86,
child: ListView.separated(
scrollDirection: Axis.horizontal,
itemCount: stories.length,
separatorBuilder: (_, _) => const SizedBox(width: 16),
itemBuilder: (context, index) {
final item = stories[index];
return InkWell(
onTap: index == 0 ? onCreate : null,
borderRadius: BorderRadius.circular(36),
child: SizedBox(
width: 62,
child: Column(
children: [
Container(
width: 58,
height: 58,
padding: const EdgeInsets.all(2),
decoration: const BoxDecoration(
shape: BoxShape.circle,
gradient: LinearGradient(
colors: [AppColors.primary, Color(0xFF8B5CF6)],
),
),
child: index == 0
? const CircleAvatar(
backgroundColor: Colors.white,
child: Icon(Icons.add, color: AppColors.primary),
)
: RemoteImage(
url: item.$3,
borderRadius: BorderRadius.circular(28),
),
),
const SizedBox(height: 5),
Text(
item.$1,
maxLines: 1,
style: Theme.of(context).textTheme.bodySmall,
),
],
),
),
);
},
),
);
}
}
class _PromoCard extends StatelessWidget {
const _PromoCard({required this.onTap});
final VoidCallback onTap;
@override
Widget build(BuildContext context) {
return Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
gradient: const LinearGradient(
colors: [AppColors.primary, Color(0xFF7C3AED)],
),
borderRadius: BorderRadius.circular(26),
),
child: Row(
children: [
const Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'新用户首单立减 ¥20',
style: TextStyle(
color: Colors.white,
fontSize: 18,
fontWeight: FontWeight.w800,
),
),
SizedBox(height: 5),
Text(
'遛狗 / 洗澡 / 寄养均可使用',
style: TextStyle(color: Color(0xFFE0E7FF), fontSize: 12),
),
],
),
),
FilledButton(
style: FilledButton.styleFrom(
backgroundColor: Colors.white,
foregroundColor: AppColors.primary,
),
onPressed: onTap,
child: const Text('去使用'),
),
],
),
);
}
}
class _PostCard extends StatelessWidget {
const _PostCard({
required this.post,
required this.onTap,
required this.onLike,
});
final PostModel post;
final VoidCallback onTap;
final VoidCallback onLike;
@override
Widget build(BuildContext context) {
return Card(
clipBehavior: Clip.antiAlias,
child: InkWell(
onTap: onTap,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Padding(
padding: const EdgeInsets.all(14),
child: Row(
children: [
RemoteImage(
url: post.authorAvatar,
width: 38,
height: 38,
borderRadius: BorderRadius.circular(19),
),
const SizedBox(width: 10),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
post.authorName,
style: const TextStyle(fontWeight: FontWeight.w700),
),
Text(
'${post.time} · ${post.breedTag}',
style: Theme.of(context).textTheme.bodySmall,
),
],
),
),
const Icon(Icons.more_horiz, color: AppColors.muted),
],
),
),
AspectRatio(
aspectRatio: 4 / 3,
child: RemoteImage(url: post.mainImage),
),
Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
post.content,
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
const SizedBox(height: 12),
Row(
children: [
ActionChip(
avatar: Icon(
post.hasLiked
? Icons.favorite
: Icons.favorite_border,
size: 17,
color: post.hasLiked ? Colors.red : AppColors.primary,
),
label: Text('${post.likes}'),
onPressed: onLike,
),
const SizedBox(width: 8),
Chip(
avatar: const Icon(Icons.chat_bubble_outline, size: 16),
label: Text('${post.comments.length}'),
),
const Spacer(),
const Icon(Icons.share_outlined, color: AppColors.muted),
],
),
],
),
),
],
),
),
);
}
}
class _CategoryGrid extends StatelessWidget {
const _CategoryGrid({required this.onTap});
final ValueChanged<String> onTap;
static const items = [
('投喂', Icons.restaurant),
('遛狗', Icons.directions_walk),
('洗澡', Icons.bathtub_outlined),
('美容', Icons.content_cut),
('寄养', Icons.home_outlined),
('运输', Icons.local_shipping_outlined),
('领养', Icons.favorite_border),
('医院', Icons.local_hospital_outlined),
];
@override
Widget build(BuildContext context) {
return SectionCard(
child: GridView.count(
crossAxisCount: 4,
shrinkWrap: true,
physics: const NeverScrollableScrollPhysics(),
mainAxisSpacing: 18,
crossAxisSpacing: 8,
childAspectRatio: .9,
children: items.map((item) {
return InkWell(
onTap: () => onTap(item.$1),
borderRadius: BorderRadius.circular(18),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
CircleAvatar(
backgroundColor: const Color(0xFFEEF2FF),
child: Icon(item.$2, color: AppColors.primary),
),
const SizedBox(height: 7),
Text(item.$1, style: Theme.of(context).textTheme.bodySmall),
],
),
);
}).toList(),
),
);
}
}
class _ProviderCompactCard extends StatelessWidget {
const _ProviderCompactCard({required this.provider, required this.onTap});
final ServiceProviderModel provider;
final VoidCallback onTap;
@override
Widget build(BuildContext context) {
return SectionCard(
padding: const EdgeInsets.all(12),
child: InkWell(
onTap: onTap,
borderRadius: BorderRadius.circular(18),
child: Row(
children: [
RemoteImage(
url: provider.image,
width: 82,
height: 82,
borderRadius: BorderRadius.circular(17),
),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
provider.name,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: const TextStyle(fontWeight: FontWeight.w800),
),
const SizedBox(height: 4),
Text(
'${provider.distance} · ⭐ ${provider.rating}',
style: Theme.of(context).textTheme.bodySmall,
),
const SizedBox(height: 7),
Text(
'¥${provider.price}',
style: const TextStyle(
color: AppColors.primary,
fontWeight: FontWeight.w800,
),
),
],
),
),
const Icon(Icons.chevron_right, color: AppColors.muted),
],
),
),
);
}
}