третья labs

lib/main.dart

@@ -13,11 +13,10 @@ class MyApp extends StatelessWidget {
     return MaterialApp(
       title: 'Flutter Demo',
       theme: ThemeData(
-
-        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.black),
         useMaterial3: true,
       ),
-      home: const MyHomePage(title: 'Козлова Анастасия Александровна'),
+      home: const MyHomePage(title: 'настя'),
     );
   }
 }
@@ -32,46 +31,167 @@ class MyHomePage extends StatefulWidget {
 }
 
 class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-
-  void _incrementCounter() {
-    setState(() {
-
-      _counter++;
-    });
-  }
+  final Color _color = Colors.black;
 
   @override
   Widget build(BuildContext context) {
-
     return Scaffold(
       appBar: AppBar(
-
-        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-
+        backgroundColor: _color,
         title: Text(widget.title),
       ),
-      body: Center(
+      body: const MyWidget(),
+    );
+  }
+}
 
+class _CardData {
+  final String text;
+  final String descriptionText;
+  final IconData icon;
+  final String? imageUrl;
+
+  _CardData(
+      this.text, {
+      required this.descriptionText,
+      required this.icon,
+      this.imageUrl,
+      });
+}
+
+class MyWidget extends StatelessWidget {
+  const MyWidget({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final data = [
+      _CardData(
+        'bebebe',
+        descriptionText: 'sldmk',
+        icon: Icons.hail,
+        imageUrl: 'https://img.freepik.com/free-photo/smiley-woman-talking-phone-medium-shot_23-2149476757.jpg?t=st=1727894827~exp=1727898427~hmac=a14045ebfb7ed48343615c31db970b30b086a5ddadaa428601b7534e37540b4a&w=996',
+      ),
+      _CardData(
+        'sdde',
+        descriptionText: 'ssdmk',
+        icon: Icons.hail,
+        imageUrl: 'https://img.freepik.com/free-photo/medium-shot-women-with-delicious-food_23-2150168102.jpg?t=st=1727895736~exp=1727899336~hmac=3260118fc2bd6fe946f54465e104629fe046384f621e8393e1f9f557392f7dad&w=996',
+      ),
+      _CardData(
+        'aaae',
+        descriptionText: 'ssldmk',
+        icon: Icons.hail,
+        imageUrl: 'https://img.freepik.com/free-photo/high-angle-smiley-woman-sitting-table_23-2150168074.jpg?t=st=1727895785~exp=1727899385~hmac=880ec7fcf220143947d4f276490c4338c1828c7920540a1efc2503c4cc791aec&w=360',
+      ),
+    ];
+    return Center(
+        child: SingleChildScrollView(
           child: Column(
-
             mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            const Text(
-              'You have pushed the button this many times:',
+            children: data.map((e) => _Card.fromData(e)).toList(),
+         ),
+      ),
+    );
+  }
+}
+
+class _Card extends StatefulWidget {
+  final String text;
+  final String descriptionText;
+  final IconData icon;
+  final String? imageUrl;
+
+  const _Card(this.text, {
+    this.icon = Icons.ac_unit_outlined,
+    required this.descriptionText,
+    this.imageUrl
+  });
+
+  factory _Card.fromData(_CardData data) =>
+      _Card(
+        data.text,
+        descriptionText: data.descriptionText,
+        icon: data.icon,
+        imageUrl: data.imageUrl,
+    );
+
+  @override
+  State<_Card> createState() => _CardState();
+}
+
+class _CardState extends State<_Card> {
+  bool isLiked = false;
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      margin: const EdgeInsets.all(20),
+      padding: const EdgeInsets.all(20),
+      decoration: BoxDecoration(
+        color: Colors.white70,
+        borderRadius: BorderRadius.circular(20),
+        border: Border.all(
+          color: Colors.blueGrey,
+        ),
+
+      ),
+      child: IntrinsicHeight(
+        child: Row(
+          crossAxisAlignment: CrossAxisAlignment.end,
+          children: [
+            ClipRRect(
+              borderRadius: BorderRadius.circular(20),
+              child: SizedBox(
+                  height: 140,
+                  width: 100,
+                  child: Image.network(
+                      widget.imageUrl ?? '',
+                      fit: BoxFit.cover,
+                      errorBuilder: (_, __, ___) => const Placeholder(),
+                  ),
+              ),
+            ),
+
+            Expanded(
+              child: Padding(
+                padding: const EdgeInsets.only(left: 8.0),
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Text(
+                      widget.text,
+                      style: Theme.of(context).textTheme.headlineLarge,
                     ),
                     Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.headlineMedium,
+                      widget.descriptionText,
+                      style: Theme.of(context).textTheme.headlineSmall,
                     ),
                   ],
                 ),
               ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
+            ),
+            Align(
+              alignment: Alignment.bottomRight,
+              child: Padding(
+                  padding: const EdgeInsets.only(
+                      left: 8.0,
+                      right: 16,
+                      bottom: 16
+                  ),
+                  child: GestureDetector(
+                    onTap: () {
+                      setState(() {
+                        isLiked = !isLiked;
+                      });
+                    },
+                    child: Icon(
+                        isLiked ? Icons.favorite : Icons.favorite_border
+                    ),
+                  ),
+                ),
+            )
+          ],
+        ),
+      ),
     );
   }
 }

lib/main1.dart

@@ -0,0 +1,126 @@
+import 'dart:async';
+import 'dart:io';
+
+void main() {
+  runApp();
+}
+
+Future<void> runApp() async {
+  final TaskManager taskManager = TaskManager();
+
+  while (true) {
+    print('\nВыберите действие:');
+    print('1. Добавить задачу');
+    print('2. Показать все задачи');
+    print('3. Удалить задачу');
+    print('4. Выполнить задачу');
+    print('5. Выйти');
+
+    String? choice = stdin.readLineSync();
+    switch (choice) {
+      case '1':
+        print('Введите описание задачи:');
+        String? description = stdin.readLineSync();
+        if (description != null && description.isNotEmpty) {
+          await Future.delayed(Duration(seconds: 1));
+          taskManager.addTask(Task(
+            description: description,
+            timestamp: DateTime.now(),
+          ));
+        }
+        break;
+      case '2':
+        taskManager.showTasks();
+        break;
+      case '3':
+        print('Введите номер задачи для удаления: ');
+        String? indexInput = stdin.readLineSync();
+        if (indexInput != null) {
+          int index = int.tryParse(indexInput) ?? -1;
+          taskManager.removeTask(index);
+        }
+        break;
+      case '4':
+        print('Введите номер задачи для выполнения:');
+        String? completeIndexInput = stdin.readLineSync();
+        if (completeIndexInput != null) {
+          int index = int.tryParse(completeIndexInput) ?? -1;
+          taskManager.completeTask(index);
+        }
+        break;
+      case '5':
+        print('Выход из программы.');
+        return;
+      default:
+        print('Неверный выбор, попробуйте снова.');
+    }
+  }
+}
+
+enum TaskStatus { pending, completed }
+
+class Task {
+  String description;
+  DateTime timestamp;
+  TaskStatus status;
+
+  Task({
+    required this.description,
+    required this.timestamp,
+    this.status = TaskStatus.pending,
+  });
+
+  String getStatusString() {
+    switch (status) {
+      case TaskStatus.pending:
+        return 'В ожидании';
+      case TaskStatus.completed:
+        return 'Завершена';
+    }
+  }
+}
+
+class TaskManager {
+  final List<Task> _tasks = [];
+
+  void addTask(Task task) {
+    _tasks.add(task);
+    print('Задача добавлена: "${task.description}"');
+  }
+
+  void showTasks() {
+    if (_tasks.isEmpty) {
+      print('Список задач пуст.');
+      return;
+    }
+
+    _tasks.asMap().forEach((i, task) {
+      print('${i + 1}. ${task.description} (${task.getStatusString()}) (${task.timestamp.format()})');
+    });
+  }
+
+  void removeTask(int index) {
+    if (index < 1 || index > _tasks.length) {
+      print('Неверный номер задачи.');
+      return;
+    }
+    String removedTask = _tasks[index - 1].description;
+    _tasks.removeAt(index - 1);
+    print('Задача удалена: "$removedTask"');
+  }
+
+  void completeTask(int index) {
+    if (index < 1 || index > _tasks.length) {
+      print('Неверный номер задачи.');
+      return;
+    }
+    _tasks[index - 1].status = TaskStatus.completed;
+    print('Задача "${_tasks[index - 1].description}" выполнена.');
+  }
+}
+
+extension DateTimeFormatter on DateTime {
+  String format() {
+    return '${this.day}-${this.month}-${this.year} ${this.hour}:${this.minute}';
+  }
+}