您可以在下面复制粘贴运行完整代码
我根据https://medium.com/@GaboBrandX/dribbble-challenge-1-cupertino-widgets-and-a-simple-custom-drawer-for-ios-1c3a2cd4d221 您可以在
下面看到工作演示
您可以使用菜单图标和定制抽屉StackPositionedAnimatedPositioned
return Stack(
children: <Widget>[
Positioned(
top: 0.0,
left: 0.0,
right: 0.0,
child: Container(
height: MediaQuery.of(context).size.height,
child: CupertinoTabScaffold(
tabBar: CupertinoTabBar(
items: items,
),
...
Positioned(
top: 30,
left: -30.0,
//right: 0.0,
child: Container(
width: 100,
child: GestureDetector(
onTap: () {
setState(() => _isDrawerOpen = true);
},
child: Icon(Icons.menu, size: 30,)),
),
),
AnimatedPositioned(
duration: Duration(milliseconds: 300),
curve: Curves.easeIn,
top: 0.0,
bottom: 0.0,
left: _isDrawerOpen
? 0.0
: -(MediaQuery.of(context).size.width / 3) * 2,
child: Container(
工作演示
完整代码
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return CupertinoApp(
title: 'Flutter Demo',
home: MyHomePage(title: 'Flutter Demo Home Page'),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
bool _isDrawerOpen = false;
List<BottomNavigationBarItem> items = [
BottomNavigationBarItem(label: 'Tab 1', icon: Icon(Icons.ac_unit)),
BottomNavigationBarItem(label: 'Tab 2', icon: Icon(Icons.ac_unit)),
];
List<String> titles = ["title 1", "title 2"];
List<String> contents = ["contents 1", "contents 2"];
@override
Widget build(BuildContext context) {
return Stack(
children: <Widget>[
Positioned(
top: 0.0,
left: 0.0,
right: 0.0,
child: Container(
height: MediaQuery.of(context).size.height,
child: CupertinoTabScaffold(
tabBar: CupertinoTabBar(
items: items,
),
tabBuilder: (BuildContext context, int index) {
return CupertinoTabView(
builder: (BuildContext context) {
return CupertinoPageScaffold(
navigationBar: CupertinoNavigationBar(
middle: Text('${titles[index]}'),
),
child: SafeArea(
child: Center(
child: Container(
color: Colors.blue,
child: Text('${contents[index]}')))),
);
},
);
},
),
),
),
Positioned(
top: 30,
left: -30.0,
//right: 0.0,
child: Container(
width: 100,
child: GestureDetector(
onTap: () {
setState(() => _isDrawerOpen = true);
},
child: Icon(Icons.menu, size: 30,)),
),
),
AnimatedPositioned(
duration: Duration(milliseconds: 300),
curve: Curves.easeIn,
top: 0.0,
bottom: 0.0,
left: _isDrawerOpen
? 0.0
: -(MediaQuery.of(context).size.width / 3) * 2,
child: Container(
width: (MediaQuery.of(context).size.width / 3) * 2,
height: double.infinity,
decoration: BoxDecoration(
color: Colors.white,
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.3),
blurRadius: 5.0,
),
],
),
child: Stack(
children: <Widget>[
Container(
width: double.infinity,
height: MediaQuery.of(context).size.height -
(MediaQuery.of(context).size.height / 1.8 - 90.0) -
120.0,
color: Color(0xFFB42827),
child: Stack(
children: <Widget>[
Positioned(
top: 30.0,
left: 10.0,
child: GestureDetector(
onTap: () => setState(() => _isDrawerOpen = false),
child: Icon(
CupertinoIcons.clear,
color: Colors.black,
size: 30.0,
),
),
),
Align(
alignment: Alignment.bottomLeft,
child: Padding(
padding:
const EdgeInsets.only(left: 46.0, bottom: 46.0),
child: UserInfo(
picture: 'https://picsum.photos/250?image=9',
name: 'Ryan',
id: '0023-Ryan',
company: 'Universal Data Center',
),
),
),
],
),
),
Align(
alignment: Alignment.bottomCenter,
child: Container(
width: double.infinity,
height: MediaQuery.of(context).size.height / 1.8 + 30.0,
child: Padding(
padding: const EdgeInsets.only(left: 46.0, top: 46.0),
child: Column(
children: <Widget>[
MenuItem(
icon: Icon(Icons.accessibility),
label: 'Message center',
),
MenuItem(
icon: Icon(Icons.height),
label: 'Ticket research',
),
MenuItem(
icon: Icon(Icons.event),
label: 'Suggestion',
),
MenuItem(
icon: Icon(Icons.phone),
label: 'Contact us',
),
],
),
),
),
),
],
),
),
),
],
);
}
}
class MenuItem extends StatelessWidget {
final Icon icon;
final String label;
MenuItem({
@required this.icon,
@required this.label,
}) : assert(icon != null),
assert(label != null);
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.only(bottom: 42.0),
child: Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
Icon(
icon.icon,
color: Color(0xFFB42827),
),
SizedBox(
width: 8.0,
),
Text(
label,
style: TextStyle(
fontWeight: FontWeight.w500,
),
),
],
),
);
}
}
class UserInfo extends StatelessWidget {
final String picture;
final String name;
final String id;
final String company;
UserInfo({
@required this.picture,
@required this.name,
@required this.id,
@required this.company,
}) : assert(picture != null && name != null && id != null && company != null);
@override
Widget build(BuildContext context) {
return Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Card(
margin: EdgeInsets.zero,
elevation: 2.0,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12.0),
),
child: Container(
width: 80.0,
height: 80.0,
child: ClipRRect(
borderRadius: BorderRadius.circular(12.0),
child: Image.network(picture),
),
),
),
SizedBox(
height: 9.0,
),
Row(
children: <Widget>[
Text(
name,
style: Theme.of(context)
.textTheme
.headline
.copyWith(color: Colors.white),
),
SizedBox(
width: 8.0,
),
Container(
width: 12.0,
height: 12.0,
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.3),
shape: BoxShape.circle,
),
child: Center(
child: Icon(
CupertinoIcons.play_arrow_solid,
size: 8.0,
color: Colors.white,
),
),
),
],
),
SizedBox(
height: 6.0,
),
Text(
id,
style: Theme.of(context)
.textTheme
.caption
.copyWith(color: Colors.white.withOpacity(0.6)),
),
SizedBox(
height: 6.0,
),
Text(
company,
style: Theme.of(context)
.textTheme
.caption
.copyWith(color: Colors.white.withOpacity(0.6)),
)
],
);
}
}