Lab 3
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parent
14426d5570
commit
b26ac90a9c
153
lib/main.dart
153
lib/main.dart
@ -31,7 +31,12 @@ class MyApp extends StatelessWidget {
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colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
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useMaterial3: true,
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),
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home: const MyHomePage(title: 'Яшин Артём ПИбд-33'),
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home: const MyHomePage(
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title: Text("Simbirsk-Oil",
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style: TextStyle(
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fontSize: 28,
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fontWeight: FontWeight.w600,
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color: Color.fromRGBO(240, 240, 240, 1)))),
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);
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}
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}
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@ -39,87 +44,99 @@ class MyApp extends StatelessWidget {
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class MyHomePage extends StatefulWidget {
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const MyHomePage({super.key, required this.title});
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// This widget is the home page of your application. It is stateful, meaning
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// that it has a State object (defined below) that contains fields that affect
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// how it looks.
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// This class is the configuration for the state. It holds the values (in this
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// case the title) provided by the parent (in this case the App widget) and
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// used by the build method of the State. Fields in a Widget subclass are
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// always marked "final".
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final String title;
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final Text title;
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@override
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State<MyHomePage> createState() => _MyHomePageState();
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}
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class _MyHomePageState extends State<MyHomePage> {
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int _counter = 0;
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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backgroundColor: Colors.deepOrangeAccent,
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title: widget.title,
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),
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body: Padding(
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padding: const EdgeInsets.all(30),
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child: ListView.separated(
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itemBuilder: (context, index) => Card(
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name: "Масло GM dexos2 ${index * 5}w-${index * 10 + 20}",
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price: index * 500 + 4000),
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separatorBuilder: (context, index) => const SizedBox(height: 40),
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itemCount: 3,
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)));
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}
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}
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void _incrementCounter() {
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class Card extends StatefulWidget {
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const Card({super.key, required this.name, required this.price});
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final String name;
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final int price;
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@override
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State<StatefulWidget> createState() => _CardState();
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}
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class _CardState extends State<Card> {
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bool _isFavourite = false;
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void toggleIsFavourite() {
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setState(() {
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// This call to setState tells the Flutter framework that something has
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// changed in this State, which causes it to rerun the build method below
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// so that the display can reflect the updated values. If we changed
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// _counter without calling setState(), then the build method would not be
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// called again, and so nothing would appear to happen.
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_counter++;
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_isFavourite = !_isFavourite;
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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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// This method is rerun every time setState is called, for instance as done
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// by the _incrementCounter method above.
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//
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// The Flutter framework has been optimized to make rerunning build methods
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// fast, so that you can just rebuild anything that needs updating rather
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// than having to individually change instances of widgets.
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return Scaffold(
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appBar: AppBar(
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// TRY THIS: Try changing the color here to a specific color (to
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// Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
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// change color while the other colors stay the same.
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backgroundColor: Theme.of(context).colorScheme.inversePrimary,
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// Here we take the value from the MyHomePage object that was created by
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// the App.build method, and use it to set our appbar title.
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title: Text(widget.title),
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),
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body: Center(
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// Center is a layout widget. It takes a single child and positions it
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// in the middle of the parent.
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child: Column(
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// Column is also a layout widget. It takes a list of children and
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// arranges them vertically. By default, it sizes itself to fit its
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// children horizontally, and tries to be as tall as its parent.
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//
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// Column has various properties to control how it sizes itself and
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// how it positions its children. Here we use mainAxisAlignment to
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// center the children vertically; the main axis here is the vertical
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// axis because Columns are vertical (the cross axis would be
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// horizontal).
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//
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// TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
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// action in the IDE, or press "p" in the console), to see the
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// wireframe for each widget.
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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const Text(
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'You have pushed the button this many times:',
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),
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Text(
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'$_counter',
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style: Theme.of(context).textTheme.headlineMedium,
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),
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],
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return Stack(
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children: [
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Container(
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padding:
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const EdgeInsets.only(top: 50, bottom: 15, left: 40, right: 40),
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decoration: BoxDecoration(
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border: Border.all(color: Colors.black12, width: 2),
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borderRadius: BorderRadius.circular(40)),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Center(
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child: Image.network(
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"https://berimaslo.ru/upload/iblock/1b4/4w95d0a1xk1wsgkyk6irpp7h4yt7lz3k.jpeg"),
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),
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Padding(
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padding: EdgeInsets.only(top: 30, right: 30),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(widget.name,
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style: const TextStyle(
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fontSize: 22,
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fontWeight: FontWeight.bold,
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color: Color.fromRGBO(70, 70, 70, 1))),
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SizedBox(height: 7),
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Text("${widget.price} ₽",
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style: const TextStyle(
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fontSize: 22,
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color: Color.fromRGBO(70, 70, 70, 1),
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fontWeight: FontWeight.bold))
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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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floatingActionButton: FloatingActionButton(
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onPressed: _incrementCounter,
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tooltip: 'Increment',
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child: const Icon(Icons.add),
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), // This trailing comma makes auto-formatting nicer for build methods.
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Positioned(
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right: 20,
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bottom: 10,
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child: IconButton(
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icon: Icon(_isFavourite ? Icons.favorite : Icons.favorite_border),
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color: Colors.purple,
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onPressed: toggleIsFavourite,
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))
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],
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);
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}
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}
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