Сдал лаб 3

lib/main.dart

@@ -7,15 +7,11 @@ void main() {
 class MyApp extends StatelessWidget {
   const MyApp({super.key});
 
-    @override
+  @override
   Widget build(BuildContext context) {
     return MaterialApp(
       title: 'Flutter Demo',
       debugShowCheckedModeBanner: false,
-      theme: ThemeData(
-        colorScheme: ColorScheme.fromSeed(seedColor: Colors.cyan),
-        useMaterial3: true,
-      ),
       home: const MyHomePage(title: 'Чернышев Георгий Янович'),
     );
   }
@@ -24,8 +20,6 @@ class MyApp extends StatelessWidget {
 class MyHomePage extends StatefulWidget {
   const MyHomePage({super.key, required this.title});
 
-      
-        
   final String title;
 
   @override
@@ -33,39 +27,215 @@ class MyHomePage extends StatefulWidget {
 }
 
 class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-
-  void _incrementCounter() {
-    setState(() {
-                                    _counter++;
-    });
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: Color.fromARGB(255, 46, 65, 80),
+      appBar: AppBar(
+        backgroundColor: Color.fromARGB(255, 56, 90, 128),
+        title: Text(
+          widget.title,
+          style:
+              const TextStyle(color: Colors.white, fontWeight: FontWeight.bold),
+        ),
+      ),
+      body: Container(
+        //симметричный боковой отступ от границ экрана
+        margin: const EdgeInsets.symmetric(horizontal: 15.0),
+        child: const GameWidget(),
+      ),
+    );
   }
+}
+
+class GameWidget extends StatelessWidget {
+  const GameWidget({super.key});
 
   @override
   Widget build(BuildContext context) {
-                            return Scaffold(
-      appBar: AppBar(
-                                backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-                        title: Text(widget.title),
-      ),
-      body: Center(
-                        child: Column(
-                                                                                                                                            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),
-      ),     );
+    final data=[
+      _GameData(
+          name: 'Late Shift',
+          price: 399,
+          image:
+          'https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/584980/capsule_616x353.jpg?t=1697110140'),
+      _GameData(
+          name: 'Dark Nights with Poe & Munro',
+          price: 450,
+          image:
+          'https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1098170/capsule_616x353.jpg?t=1725541685'),
+      _GameData(
+          name: 'Неизвестная игра',
+          price: 999,
+      )
+    ];
+    return Center(
+      child: SingleChildScrollView(
+        child: Column(
+          children: data.map((e) => _GameCard.fromData(e)).toList())
+        )
+    );
   }
 }
+
+class _GameData {
+  final String name;
+  final int price;
+  final String? image;
+
+  _GameData({
+    required this.name,
+    required this.price,
+    this.image='https://parpol.ru/wp-content/uploads/2019/09/placeholder.png'});
+}
+
+class _GameCard extends StatelessWidget {
+  final String name;
+  final int price;
+  final String? image;
+
+  //обычный конструктор
+  const _GameCard({
+    super.key,
+    required this.name,
+    required this.price,
+    this.image,
+  });
+
+  //именованный конструктор
+  factory _GameCard.fromData(_GameData data) => _GameCard(
+      name: data.name,
+      price: data.price,
+      image: data.image);
+
+  @override
+  Widget build(BuildContext context) {
+
+    return Container(
+      margin: const EdgeInsets.only(top: 10, bottom: 10),
+      padding: const EdgeInsets.all(16),
+      decoration: BoxDecoration(
+        color: const Color.fromARGB(255, 56, 90, 128),
+        borderRadius: BorderRadius.circular(5),
+      ),
+      child:
+          Column(
+            //Выравнивание по середине
+            crossAxisAlignment: CrossAxisAlignment.center,
+            children: [
+              SizedBox(
+                height: 200,
+                width: MediaQuery.of(context).size.width,
+                child: Image.network(image ?? '',
+                    fit: BoxFit.fill,
+                    errorBuilder: (_, __, ___) => const Placeholder()),
+              ),
+              // Название игры
+              Text(
+                name,
+                style: const TextStyle(
+                  color: Colors.white,
+                  fontWeight: FontWeight.bold,
+                  fontSize: 32,
+                ),
+                textAlign: TextAlign.center,
+                // softWrap: true,
+              ),
+              // Цена игры
+              Text(
+                '$price руб.',
+                style: const TextStyle(
+                  color: Colors.white,
+                  fontWeight: FontWeight.bold,
+                  fontSize: 24,
+                ),
+                //softWrap: true,
+              ),
+            ],
+          )
+    );
+  }
+}
+
+// class Game extends Object {
+//   final String name;
+//   final int price;
+//   final GameType type; //жанр игры
+//   final String? description;
+//
+//   @override
+//   bool operator ==(Object other) {
+//     if (other is Game) {
+//       return this.name == other.name;
+//     }
+//     return false;
+//   }
+//
+//   //стандартный конструктор с именованными параметрами
+//   Game(
+//       {required this.name,
+//       required this.price,
+//       required this.type,
+//       this.description});
+//
+//   //именованный конструктор с примером игры
+//   Game.exampleLateShift()
+//       : name = 'Late Shift',
+//         price = 200,
+//         type = GameType.FMV,
+//         description = null;
+//
+//   void printInfo() {
+//     print('''
+// Игра: $name
+// Жанр: ${GameTypeNames[type]}
+// Цена: $price руб. ''');
+//     if (description != null) {
+//       print('Описание: $description');
+//     }
+//   }
+//
+// //асинхронный метод - иммитация скачивания
+//   Future<void> download() async {
+//     print('Начало загрузки игры $name');
+//     var rand = Random();
+//     int time = rand.nextInt(10000) + 100;
+//     //асинхронность (Future), анонимная функция (Anonymous function)
+//     await Future.delayed(
+//         Duration(milliseconds: time), () => print("Игра $name загружена"));
+//   }
+// }
+//
+// enum GameType { FMV, Shooter, Strategy, Horror }
+//
+// //Названия жанров на русском
+// const Map<GameType, String> GameTypeNames = {
+//   GameType.FMV: "FMV",
+//   GameType.Shooter: "Шутер",
+//   GameType.Strategy: "Стратегия",
+//   GameType.Horror: "Хоррор"
+// };
+//
+// void availableTypesRus() => printMapValues(GameTypeNames);
+//
+// //цикл (loop) + generic (хз, куда ещё их можно)
+// void printMapValues<T, U>(Map<T, U> map) {
+//   for (var val in map.values) {
+//     print(val);
+//   }
+// }
+//
+// extension GameTypeRus on GameType {
+//   String get rusName {
+//     switch (this) {
+//       case GameType.FMV:
+//         return 'FMV';
+//       case GameType.Shooter:
+//         return 'Шутер';
+//       case GameType.Strategy:
+//         return 'Стратегия';
+//       case GameType.Horror:
+//         return 'Хоррор';
+//     }
+//   }
+// }