start

lib/main.dart

@@ -1,5 +1,8 @@
+import 'dart:math';
 import 'package:flutter/material.dart';
 
+import 'year.dart';
+
 void main() {
   runApp(const MyApp());
 }
@@ -7,15 +10,15 @@ void main() {
 class MyApp extends StatelessWidget {
   const MyApp({super.key});
 
-    @override
+  @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      title: 'Flutter Demo',
+      title: 'Petrushin demo',
       theme: ThemeData(
-                                                                                                                                colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.red),
         useMaterial3: true,
       ),
-      home: const MyHomePage(title: 'Flutter Demo Home Page'),
+      home: const MyHomePage(title: 'Petrushin Egor Alexandrovich'),
     );
   }
 }
@@ -23,8 +26,6 @@ class MyApp extends StatelessWidget {
 class MyHomePage extends StatefulWidget {
   const MyHomePage({super.key, required this.title});
 
-      
-        
   final String title;
 
   @override
@@ -33,29 +34,63 @@ class MyHomePage extends StatefulWidget {
 
 class _MyHomePageState extends State<MyHomePage> {
   int _counter = 0;
+  int _year = 0;
+  int _month = 0;
+  List<Year> years = [];
+
+  @override
+  void initState() {
+    super.initState();
+    final Random random = Random();
+
+    for (int i = 0; i < 100; i++) {
+      int year = i;
+      String comment = generateRandomComment(random);
+      years.add(Year(comment, year: year));
+    }
+  }
 
   void _incrementCounter() {
     setState(() {
-                                    _counter++;
+      _counter++;
+
+      if (_month == 11) {
+        _month = 0;
+        _year++;
+      } else {
+        _month = _counter % 12;
+      }
     });
+
+        () {
+      print('Current Month: ${DateUtils.getMonthName(_month)}');
+      print('Current Year: $_year');
+    }();
   }
 
   @override
   Widget build(BuildContext context) {
-                            return Scaffold(
+    return Scaffold(
       appBar: AppBar(
-                                backgroundColor: Theme.of(context).colorScheme.inversePrimary,
+        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-                        title: Text(widget.title),
+        title: Text(widget.title),
       ),
       body: Center(
-                        child: Column(
+        child: Column(
-                                                                                                                                            mainAxisAlignment: MainAxisAlignment.center,
+          mainAxisAlignment: MainAxisAlignment.center,
           children: <Widget>[
-            const Text(
+            const Text('Month:'),
-              'You have pushed the button this many times:',
+            Text(
+              '${DateUtils.getMonthName(_month)}',
+              style: Theme.of(context).textTheme.headlineMedium,
+            ),
+            const Text('Year:'),
+            Text(
+              '$_year',
+              style: Theme.of(context).textTheme.headlineMedium,
             ),
             Text(
-              '$_counter',
+              '${years[_year].comment}',
               style: Theme.of(context).textTheme.headlineMedium,
             ),
           ],
@@ -64,7 +99,51 @@ class _MyHomePageState extends State<MyHomePage> {
       floatingActionButton: FloatingActionButton(
         onPressed: _incrementCounter,
         tooltip: 'Increment',
-        child: const Icon(Icons.add),
+        child: const Icon(Icons.access_time_filled),
-      ),     );
+      ),
+    );
   }
 }
+
+// Enum
+enum Month {
+  January,
+  February,
+  March,
+  April,
+  May,
+  June,
+  July,
+  August,
+  September,
+  October,
+  November,
+  December,
+}
+
+// Расширение
+extension DateUtils on Month {
+  static String getMonthName(int month) {
+    return Month.values[month].name;
+  }
+  static Future<String> getFutureMonthName(int month) async {
+    await Future.delayed(const Duration(seconds: 1));
+    return Month.values[month].name;
+  }
+}
+
+String generateRandomComment(Random random) {
+  const List<String> comments = [
+    'Interesting year',
+    'Historical year',
+    'Eventful year',
+    'Peaceful year',
+    'Challenging year',
+    'Successful year',
+    'Unforgettable year',
+    'Memorable year',
+    'Dynamic year',
+    'Stable year',
+  ];
+  return comments[random.nextInt(comments.length)];
+}

lib/year.dart

@@ -0,0 +1,19 @@
+class Year {
+  final String comment;
+  final int year;
+  final bool isLeap;
+
+  Year(this.comment, {required this.year}) : isLeap = _isLeapYear(year);
+
+  static bool _isLeapYear(int year) {
+    if (year % 4 != 0) {
+      return false;
+    } else if (year % 100 != 0) {
+      return true;
+    } else if (year % 400 != 0) {
+      return false;
+    } else {
+      return true;
+    }
+  }
+}