Flutter 화면 하단에서 올라오는 다이얼로그 BottomSheet

show_modal_bottom_sheet.dart

// 화면 하단에서 올라오는 다이얼로그
// 画面下から上がってくるダイアログ
// Dialog Rising from the Bottom of the Screen

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: Center(
          child: Text('MyApp'),
        ),
        floatingActionButton: _RenderFloatingActionButton(),
      ),
    );
  }
}

class _RenderFloatingActionButton extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return FloatingActionButton(
      onPressed: () {
        showModalBottomSheet(
          context: context,
          builder: (context) => _BottomSheet(),
        );
      },
      child: Icon(Icons.add),
    );
  }
}

class _BottomSheet extends StatelessWidget {
  const _BottomSheet({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Container(
      height: 300.0,
      color: Colors.amber,
      child: Center(
        child: Text('BottomSheet Content1'),
      ),
    );
  }
}