popup_menu 1.0.2 popup_menu: ^1.0.2 copied to clipboard
A Flutter popup menu.Writted with pure dart, supported both iOS and Android.
import 'package:flutter/material.dart';
import 'package:popup_menu/popup_menu.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
home: MyHomePage(title: 'Popup Menu Example'),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
PopupMenu menu;
GlobalKey btnKey = GlobalKey();
GlobalKey btnKey2 = GlobalKey();
@override
void initState() {
super.initState();
menu = PopupMenu(items: [
// MenuItem(title: 'Copy', image: Image.asset('assets/copy.png')),
// MenuItem(title: 'Home', image: Icon(Icons.home, color: Colors.white,)),
MenuItem(title: 'Mail', image: Icon(Icons.mail, color: Colors.white,)),
MenuItem(title: 'Power', image: Icon(Icons.power, color: Colors.white,)),
MenuItem(title: 'Setting', image: Icon(Icons.settings, color: Colors.white,)),
MenuItem(
title: 'PopupMenu',
image: Icon(
Icons.menu,
color: Colors.white,
))
], onClickMenu: onClickMenu, onDismiss: onDismiss, maxColumn: 1);
}
void stateChanged(bool isShow) {
print('menu is ${ isShow ? 'showing': 'closed' }');
}
void onClickMenu(MenuItemProvider item) {
print('Click menu -> ${item.menuTitle}');
}
void onDismiss() {
print('Menu is dismiss');
}
@override
Widget build(BuildContext context) {
PopupMenu.context = context;
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: <Widget>[
Container(
child: MaterialButton(
height: 45.0,
key: btnKey,
onPressed: maxColumn,
child: Text('Show Menu'),
),
),
Container(
child: MaterialButton(
key: btnKey2,
height: 45.0,
onPressed: customBackground,
child: Text('Show Menu'),
),
)
],
),
),
);
}
void checkState(BuildContext context) {
final snackBar = new SnackBar(content: new Text('这是一个SnackBar!'));
Scaffold.of(context).showSnackBar(snackBar);
}
void maxColumn() {
PopupMenu menu = PopupMenu(
// backgroundColor: Colors.teal,
// lineColor: Colors.tealAccent,
maxColumn: 3,
items: [
MenuItem(title: 'Copy', image: Image.asset('assets/copy.png')),
// MenuItem(
// title: 'Home',
// // textStyle: TextStyle(fontSize: 10.0, color: Colors.tealAccent),
// image: Icon(
// Icons.home,
// color: Colors.white,
// )),
// MenuItem(
// title: 'Mail',
// image: Icon(
// Icons.mail,
// color: Colors.white,
// )),
MenuItem(
title: 'Power',
image: Icon(
Icons.power,
color: Colors.white,
)),
MenuItem(
title: 'Setting',
image: Icon(
Icons.settings,
color: Colors.white,
)),
MenuItem(
title: 'PopupMenu',
image: Icon(
Icons.menu,
color: Colors.white,
))
],
onClickMenu: onClickMenu,
stateChanged: stateChanged,
onDismiss: onDismiss);
menu.show(widgetKey: btnKey);
}
//
void customBackground() {
PopupMenu menu = PopupMenu(
// backgroundColor: Colors.teal,
// lineColor: Colors.tealAccent,
// maxColumn: 2,
items: [
MenuItem(title: 'Copy', image: Image.asset('assets/copy.png')),
MenuItem(
title: 'Home',
// textStyle: TextStyle(fontSize: 10.0, color: Colors.tealAccent),
image: Icon(
Icons.home,
color: Colors.white,
)),
MenuItem(
title: 'Mail',
image: Icon(
Icons.mail,
color: Colors.white,
)),
MenuItem(
title: 'Power',
image: Icon(
Icons.power,
color: Colors.white,
)),
MenuItem(
title: 'Setting',
image: Icon(
Icons.settings,
color: Colors.white,
)),
MenuItem(
title: 'PopupMenu',
image: Icon(
Icons.menu,
color: Colors.white,
))
],
onClickMenu: onClickMenu,
stateChanged: stateChanged,
onDismiss: onDismiss);
menu.show(widgetKey: btnKey2);
}
}