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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';
/// Flutter code sample for [MenuAnchor].
// This is the type used by the menu below.
enum SampleItem { itemOne, itemTwo, itemThree }
void main() => runApp(const MenuAnchorApp());
class MenuAnchorApp extends StatelessWidget {
const MenuAnchorApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
theme: ThemeData(useMaterial3: true),
home: const MenuAnchorExample(),
);
}
}
class MenuAnchorExample extends StatefulWidget {
const MenuAnchorExample({super.key});
@override
State<MenuAnchorExample> createState() => _MenuAnchorExampleState();
}
class _MenuAnchorExampleState extends State<MenuAnchorExample> {
SampleItem? selectedMenu;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('MenuAnchorButton')),
body: Center(
child: MenuAnchor(
builder:
(BuildContext context, MenuController controller, Widget? child) {
return IconButton(
onPressed: () {
if (controller.isOpen) {
controller.close();
} else {
controller.open();
}
},
icon: const Icon(Icons.more_horiz),
tooltip: 'Show menu',
);},
menuChildren: List<MenuItemButton>.generate(
3,
(int index) => MenuItemButton(
onPressed: () => setState(() => selectedMenu = SampleItem.values[index]),
child: Text('Item ${index + 1}'),
),
),
),
),
);
}
}