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(
      theme: ThemeData(
          colorSchemeSeed: const Color(0xff6750a4), useMaterial3: true),
      home: const FabExample(),
    );
  }
}

class FabExample extends StatelessWidget {
  const FabExample({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('FloatingActionButton Sample'),
      ),
      body: SingleChildScrollView(
        child: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.spaceEvenly,
            children: <Widget>[
              Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: <Widget>[
                  const Text('Small'),
                  const SizedBox(width: 16),
                  // An example of the small floating action button.
                  //
                  // https://m3.material.io/components/floating-action-button/specs#669a1be8-7271-48cb-a74d-dd502d73bda4
                  FloatingActionButton.small(
                    onPressed: () {
                      // Add your onPressed code here!
                    },
                    child: const Icon(Icons.add),
                  ),
                ],
              ),
              Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: <Widget>[
                  const Text('Regular'),
                  const SizedBox(width: 16),
                  // An example of the regular floating action button.
                  //
                  // https://m3.material.io/components/floating-action-button/specs#71504201-7bd1-423d-8bb7-07e0291743e5
                  FloatingActionButton(
                    onPressed: () {
                      // Add your onPressed code here!
                    },
                    child: const Icon(Icons.add),
                  ),
                ],
              ),
              Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: <Widget>[
                  const Text('Large'),
                  const SizedBox(width: 16),
                  // An example of the large floating action button.
                  //
                  // https://m3.material.io/components/floating-action-button/specs#9d7d3d6a-bab7-47cb-be32-5596fbd660fe
                  FloatingActionButton.large(
                    onPressed: () {
                      // Add your onPressed code here!
                    },
                    child: const Icon(Icons.add),
                  ),
                ],
              ),
              Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: <Widget>[
                  const Text('Extended'),
                  const SizedBox(width: 16),
                  // An example of the extended floating action button.
                  //
                  // https://m3.material.io/components/extended-fab/specs#686cb8af-87c9-48e8-a3e1-db9da6f6c69b
                  FloatingActionButton.extended(
                    onPressed: () {
                      // Add your onPressed code here!
                    },
                    label: const Text('Add'),
                    icon: const Icon(Icons.add),
                  ),
                ],
              ),
            ],
          ),
        ),
      ),
    );
  }
}