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 Demo',
      theme: ThemeData(
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});
  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    final snackBar = SnackBar(
      content: const Text('test',
          style: TextStyle(
            color: Colors.red,
          )),
      duration: const Duration(seconds: 10),
      action: SnackBarAction(
        label: 'action',
        onPressed: () {},
        textColor: Colors.red,
      ),
    );
    return Scaffold(
      body: Center(
        child: TextButton(
            onPressed: () =>
                ScaffoldMessenger.of(context).showSnackBar(snackBar),
            child: const Text('Show SnackBar')),
      ),
    );
  }
}