main.dart

import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter4fun',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const HomePage(),
    );
  }
}

class HomePage extends StatelessWidget {
  const HomePage({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.blueGrey,
      body: GridView.count(
        crossAxisCount: 2,
        childAspectRatio: 1.7,
        padding: const EdgeInsets.all(16),
        crossAxisSpacing: 16,
        mainAxisSpacing: 16,
        children: const [
          Card(),
          Card(),
          Card(),
          Card(),
        ],
      ),
    );
  }
}