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Вера 2024-12-17 17:36:37 +04:00
parent 426b593788
commit 71b843976f
5 changed files with 304 additions and 106 deletions
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15
lib/domain/models/card.dart Normal file
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@ -0,0 +1,15 @@
import 'package:flutter/material.dart';
class CardData {
final String text;
final String descriptionText;
final IconData icon;
final String? imageUrl;
CardData(
this.text, {
required this.descriptionText,
this.icon = Icons.ac_unit_outlined,
this.imageUrl,
});
}

108
lib/main.dart
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@ -1,5 +1,5 @@
import 'package:flutter/material.dart';
import 'package:leonteva_pmu/presentation/home_page/home_page.dart';
void main() {
runApp(const MyApp());
}
@ -7,119 +7,15 @@ void main() {
class MyApp extends StatelessWidget {
const MyApp({super.key});
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
// This is the theme of your application.
//
// TRY THIS: Try running your application with "flutter run". You'll see
// the application has a purple toolbar. Then, without quitting the app,
// try changing the seedColor in the colorScheme below to Colors.green
// and then invoke "hot reload" (save your changes or press the "hot
// reload" button in a Flutter-supported IDE, or press "r" if you used
// the command line to start the app).
//
// Notice that the counter didn't reset back to zero; the application
// state is not lost during the reload. To reset the state, use hot
// restart instead.
//
// This works for code too, not just values: Most code changes can be
// tested with just a hot reload.
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
useMaterial3: true,
),
home: const MyHomePage(title: 'Leonteva_V.A._ PIbd-33'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});
// This widget is the home page of your application. It is stateful, meaning
// that it has a State object (defined below) that contains fields that affect
// how it looks.
// This class is the configuration for the state. It holds the values (in this
// case the title) provided by the parent (in this case the App widget) and
// used by the build method of the State. Fields in a Widget subclass are
// always marked "final".
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
int _counter = 0;
void _incrementCounter() {
setState(() {
// This call to setState tells the Flutter framework that something has
// changed in this State, which causes it to rerun the build method below
// so that the display can reflect the updated values. If we changed
// _counter without calling setState(), then the build method would not be
// called again, and so nothing would appear to happen.
_counter++;
});
}
@override
Widget build(BuildContext context) {
// This method is rerun every time setState is called, for instance as done
// by the _incrementCounter method above.
//
// The Flutter framework has been optimized to make rerunning build methods
// fast, so that you can just rebuild anything that needs updating rather
// than having to individually change instances of widgets.
return Scaffold(
appBar: AppBar(
// TRY THIS: Try changing the color here to a specific color (to
// Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
// change color while the other colors stay the same.
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
// Here we take the value from the MyHomePage object that was created by
// the App.build method, and use it to set our appbar title.
title: Text(widget.title),
),
body: Center(
// Center is a layout widget. It takes a single child and positions it
// in the middle of the parent.
child: Column(
// Column is also a layout widget. It takes a list of children and
// arranges them vertically. By default, it sizes itself to fit its
// children horizontally, and tries to be as tall as its parent.
//
// Column has various properties to control how it sizes itself and
// how it positions its children. Here we use mainAxisAlignment to
// center the children vertically; the main axis here is the vertical
// axis because Columns are vertical (the cross axis would be
// horizontal).
//
// TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
// action in the IDE, or press "p" in the console), to see the
// wireframe for each widget.
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
const Text(
'You have pushed the button this many times:',
),
Text(
'$_counter',
style: Theme.of(context).textTheme.headlineMedium,
),
],
),
),
floatingActionButton: FloatingActionButton(
onPressed: _incrementCounter,
tooltip: 'Increment',
child: const Icon(Icons.add),
), // This trailing comma makes auto-formatting nicer for build methods.
home: const HomePage(title: 'The coolest hamsters on earth ^^'),
);
}
}

37
lib/presentation/details_page/details_page.dart Normal file
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@ -0,0 +1,37 @@
import 'package:flutter/material.dart';
import 'package:leonteva_pmu/domain/models/card.dart';
class DetailsPage extends StatelessWidget {
final CardData data;
const DetailsPage(this.data, {super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(),
body: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Padding(
padding: const EdgeInsets.only(bottom: 16.0),
child: Image.network(
data.imageUrl ?? '',
),
),
Padding(
padding: const EdgeInsets.only(bottom: 4.0),
child: Text(
data.text,
style: Theme.of(context).textTheme.headlineLarge,
),
),
Text(
data.descriptionText,
style: Theme.of(context).textTheme.bodyLarge,
)
],
),
);
}
}

159
lib/presentation/home_page/card.dart Normal file
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@ -0,0 +1,159 @@
part of 'home_page.dart';
typedef OnLikeCallback = void Function(String title, bool isLiked)?;
class _Card extends StatefulWidget {
final String text;
final String descriptionText;
final IconData icon;
final String? imageUrl;
final OnLikeCallback onLike;
final VoidCallback? onTap;
const _Card(
this.text, {
this.icon = Icons.ac_unit_outlined,
required this.descriptionText,
this.imageUrl,
this.onLike,
this.onTap,
});
factory _Card.fromData(
CardData data, {
OnLikeCallback onLike,
VoidCallback? onTap,
}) =>
_Card(
data.text,
descriptionText: data.descriptionText,
icon: data.icon,
imageUrl: data.imageUrl,
onLike: onLike,
onTap: onTap,
);
@override
State<_Card> createState() => _CardState();
}
class _CardState extends State<_Card> {
bool isLiked = false;
@override
Widget build(BuildContext context) {
return GestureDetector(
onTap: widget.onTap,
child: Container(
margin: const EdgeInsets.all(16),
constraints: const BoxConstraints(minHeight: 140),
decoration: BoxDecoration(
color: Colors.white70,
borderRadius: BorderRadius.circular(20),
boxShadow: [
BoxShadow(
color: Colors.grey.withOpacity(.5),
spreadRadius: 4,
offset: const Offset(0, 5),
blurRadius: 8,
),
],
),
child: IntrinsicHeight(
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
ClipRRect(
borderRadius: const BorderRadius.only(
bottomLeft: Radius.circular(20),
topLeft: Radius.circular(20),
),
child: SizedBox(
height: double.infinity,
width: 120,
child: Stack(
children: [
Positioned.fill(
child: Image.network(
widget.imageUrl ?? '',
fit: BoxFit.cover,
errorBuilder: (_, __, ___) => const Placeholder(),
),
),
Align(
alignment: Alignment.bottomLeft,
child: Container(
decoration: const BoxDecoration(
color: Colors.orangeAccent,
borderRadius: BorderRadius.only(
topRight: Radius.circular(20),
//
)),
padding: const EdgeInsets.fromLTRB(8, 2, 8, 2),
child: Text(
'скидок нет',
style: Theme.of(context)
.textTheme
.bodyMedium
?.copyWith(color: Colors.black),
),
),
),
],
),
),
),
Expanded(
child: Padding(
padding: const EdgeInsets.only(left: 16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
widget.text,
style: Theme.of(context).textTheme.headlineLarge,
),
Text(
widget.descriptionText,
style: Theme.of(context).textTheme.bodyLarge,
)
],
),
),
),
Align(
alignment: Alignment.bottomRight,
child: Padding(
padding: const EdgeInsets.only(
left: 8.0,
right: 16,
bottom: 16,
),
child: GestureDetector(
onTap: () {
setState(() => isLiked = !isLiked);
widget.onLike?.call(widget.text, isLiked);
},
child: AnimatedSwitcher(
duration: const Duration(microseconds: 200),
child: isLiked
? const Icon(
Icons.favorite,
color: Colors.redAccent,
key: ValueKey<int>(0),
)
: const Icon(
Icons.favorite_border,
key: ValueKey<int>(1),
),
),
),
),
)
],
),
),
),
);
}
}

91
lib/presentation/home_page/home_page.dart Normal file
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@ -0,0 +1,91 @@
import 'package:flutter/material.dart';
import 'package:leonteva_pmu/presentation/details_page/details_page.dart';
import 'package:flutter/cupertino.dart';
import 'package:leonteva_pmu/domain/models/card.dart';
part 'card.dart';
class HomePage extends StatefulWidget {
const HomePage({super.key, required this.title});
final String title;
@override
State<HomePage> createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
final Color _color = Colors.orangeAccent;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
backgroundColor: _color,
title: Text(widget.title),
),
body: const Body(),
);
}
}
class Body extends StatelessWidget {
const Body({super.key}); // ключи
@override
Widget build(BuildContext context) {
final data = [
CardData('mouse',
descriptionText: 'hahaha',
icon: Icons.abc,
imageUrl:
'https://sun9-26.userapi.com/impg/sB_tLPWPCIqxQWmlbcmlRYiw1ibFb70_QMtNwg/56qpyc_C8Go.jpg?size=736x711&quality=95&sign=8f7163b54538a2e7bad5f36a857485d4&type=album'),
CardData('mouse2',
descriptionText: 'ahahaha',
icon: Icons.access_alarm_outlined,
imageUrl:
'https://sun165-1.userapi.com/impg/EVLbaLilqr8xw5tsqZLQQb6DSYrdKo7Q9sYSsw/H4FRwyMR6Ec.jpg?size=1280x960&quality=96&sign=f606e4ae3d1ccd27917cd1ffa6d91e58&type=album'),
CardData('mouse3',
descriptionText: 'eeee',
icon: Icons.access_alarm_rounded,
imageUrl:
'https://sun34-1.userapi.com/impg/_DLT-op0LbBdgh5h-ILvC7IMDY5kbLR349v7vA/tX7vtk6mNlA.jpg?size=736x736&quality=96&sign=47f2b0f63bf249c62f4498fb637695d5&type=album'),
];
return Center(
child: SingleChildScrollView(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: data.map((data) {
return _Card.fromData(
data,
onLike: (String title, bool isLiked) =>
_showSnackBar(context, title, isLiked),
onTap: () => _navToDetails(context, data),
);
}).toList(),
),
),
);
}
void _navToDetails(BuildContext context, CardData data) {
Navigator.push(
context,
CupertinoPageRoute(builder: (context) => DetailsPage(data)),
);
}
void _showSnackBar(BuildContext context, String title, bool isLiked) {
WidgetsBinding.instance.addPostFrameCallback((_) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text(
'Cute hamster $title ${isLiked ? 'liked!' : 'disliked :('}',
style: Theme.of(context).textTheme.bodyLarge,
),
backgroundColor: Colors.orangeAccent,
duration: const Duration(seconds: 1),
));
});
}
}