import 'package:flutter/material.dart'; void main() { runApp(const MyApp()); } class MyApp extends StatelessWidget { const MyApp({super.key}); @override Widget build(BuildContext context) { return MaterialApp( title: 'Flutter Linux & Web Demo', theme: ThemeData( colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple), useMaterial3: true, ), home: const MyHomePage(), ); } } class MyHomePage extends StatelessWidget { const MyHomePage({super.key}); @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( backgroundColor: Theme.of(context).colorScheme.inversePrimary, title: const Text('Flutter Linux & Web Demo'), ), body: const Center( child: Text( 'Hello, World!', style: TextStyle(fontSize: 24), ), ), ); } }