import 'package:flutter/material.dart'; import 'color_schemes.g.dart'; void main() { runApp(const MyApp()); } class MyApp extends StatelessWidget { const MyApp({Key? key}) : super(key: key); // This widget is the root of your application. @override Widget build(BuildContext context) { return MaterialApp( theme: ThemeData(useMaterial3: true, colorScheme: lightColorScheme), darkTheme: ThemeData(useMaterial3: true, colorScheme: darkColorScheme), home: const Home(), ); } } class Home extends StatelessWidget { const Home({Key? key}) : super(key: key); // This widget is the root of your application. @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( elevation: 2, title: Text("Material Theme Builder"), ), body: Center( child: Column( mainAxisAlignment: MainAxisAlignment.center, children: [ const Text( 'Update with your UI', ), ], ), ), floatingActionButton: FloatingActionButton(onPressed: () => {}, tooltip: 'Increment')); } }