show_modal_bottom_sheet.0.dart 1.67 KB
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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:flutter/material.dart';

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/// Flutter code sample for [showModalBottomSheet].

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void main() => runApp(const BottomSheetApp());
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class BottomSheetApp extends StatelessWidget {
  const BottomSheetApp({super.key});
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  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
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        appBar: AppBar(title: const Text('Bottom Sheet Sample')),
        body: const BottomSheetExample(),
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      ),
    );
  }
}

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class BottomSheetExample extends StatelessWidget {
  const BottomSheetExample({super.key});
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  @override
  Widget build(BuildContext context) {
    return Center(
      child: ElevatedButton(
        child: const Text('showModalBottomSheet'),
        onPressed: () {
          showModalBottomSheet<void>(
            context: context,
            builder: (BuildContext context) {
              return Container(
                height: 200,
                color: Colors.amber,
                child: Center(
                  child: Column(
                    mainAxisAlignment: MainAxisAlignment.center,
                    mainAxisSize: MainAxisSize.min,
                    children: <Widget>[
                      const Text('Modal BottomSheet'),
                      ElevatedButton(
                        child: const Text('Close BottomSheet'),
                        onPressed: () => Navigator.pop(context),
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                      ),
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                    ],
                  ),
                ),
              );
            },
          );
        },
      ),
    );
  }
}