fft_layout_pill.dart

main.dart

import 'package:flutter/material.dart';

const Color darkBlue = Color.fromARGB(255, 18, 32, 47);

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData.dark().copyWith(
        scaffoldBackgroundColor: darkBlue,
      ),
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        body: Center(
          child: MyWidget(),
        ),
      ),
    );
  }
}

class MyWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Container(
      decoration: const ShapeDecoration(
        shape: StadiumBorder(side: BorderSide(color: Colors.blue)),
      ),
      padding: const EdgeInsets.all(16),
      child: Text(
        'Hello, World!',
        style: Theme.of(context).textTheme.headline4,
      ),
    );
  }
}