Flutter侧边抽屉导航插件flutter_inner_drawer的使用
Flutter侧边抽屉导航插件flutter_inner_drawer的使用
Inner Drawer 是一个简单的侧边抽屉导航组件,可以方便地在左侧或右侧创建一个内部区域,你可以在其中插入列表菜单或其他内容。
安装
将以下依赖添加到你的 pubspec.yaml
文件中:
dependencies:
flutter_inner_drawer: "^1.0.0+1"
示例
以下是一个简单的使用示例:
import 'package:flutter/material.dart';
import 'package:flutter_inner_drawer/inner_drawer.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
[@override](/user/override)
Widget build(BuildContext context) {
return MaterialApp(
title: 'Inner Drawer Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: MyHomePage(),
);
}
}
class MyHomePage extends StatefulWidget {
[@override](/user/override)
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
final GlobalKey<InnerDrawerState> _innerDrawerKey = GlobalKey<InnerDrawerState>();
void _toggle() {
_innerDrawerKey.currentState.toggle(
direction: InnerDrawerDirection.end,
);
}
[@override](/user/override)
Widget build(BuildContext context) {
return InnerDrawer(
key: _innerDrawerKey,
onTapClose: true,
swipe: true,
colorTransitionChild: Colors.red,
colorTransitionScaffold: Colors.black54,
offset: IDOffset.only(bottom: 0.05, right: 0.0, left: 0.0),
scale: IDOffset.horizontal(0.8),
proportionalChildArea: true,
borderRadius: 50,
leftAnimationType: InnerDrawerAnimation.static,
rightAnimationType: InnerDrawerAnimation.quadratic,
backgroundDecoration: BoxDecoration(color: Colors.red),
onDragUpdate: (val, direction) {
print(val);
print(direction == InnerDrawerDirection.start);
},
innerDrawerCallback: (a) => print(a),
leftChild: Container(
color: Colors.blue,
child: Center(
child: Text("左抽屉"),
),
),
rightChild: Container(
color: Colors.green,
child: Center(
child: Text("右抽屉"),
),
),
scaffold: Scaffold(
appBar: AppBar(
title: Text('Inner Drawer'),
actions: [
IconButton(
icon: Icon(Icons.menu),
onPressed: _toggle,
),
],
),
body: Center(
child: Text('主页面内容'),
),
),
);
}
}
更多关于Flutter侧边抽屉导航插件flutter_inner_drawer的使用的实战教程也可以访问 https://www.itying.com/category-92-b0.html
1 回复
更多关于Flutter侧边抽屉导航插件flutter_inner_drawer的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html
flutter_inner_drawer
是一个用于在 Flutter 应用中实现侧边抽屉导航的插件。它允许你在屏幕的左侧或右侧添加一个可滑动的抽屉,并且可以自定义抽屉的样式和行为。以下是如何使用 flutter_inner_drawer
的基本步骤:
1. 添加依赖
首先,在你的 pubspec.yaml
文件中添加 flutter_inner_drawer
依赖:
dependencies:
flutter:
sdk: flutter
flutter_inner_drawer: ^1.0.0+1
然后运行 flutter pub get
来安装依赖。
2. 基本使用
在你的 Dart 文件中导入 flutter_inner_drawer
:
import 'package:flutter_inner_drawer/inner_drawer.dart';
接下来,你可以使用 InnerDrawer
组件来创建一个带有侧边抽屉的布局。以下是一个简单的示例:
import 'package:flutter/material.dart';
import 'package:flutter_inner_drawer/inner_drawer.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: InnerDrawerPage(),
);
}
}
class InnerDrawerPage extends StatelessWidget {
final GlobalKey<InnerDrawerState> _innerDrawerKey = GlobalKey<InnerDrawerState>();
@override
Widget build(BuildContext context) {
return InnerDrawer(
key: _innerDrawerKey,
scaffold: Scaffold(
appBar: AppBar(
title: Text('Inner Drawer Example'),
leading: IconButton(
icon: Icon(Icons.menu),
onPressed: () {
_innerDrawerKey.currentState.toggle();
},
),
),
body: Center(
child: Text('Main Content'),
),
),
leftChild: Container(
color: Colors.blue,
child: Center(
child: Text('Left Drawer'),
),
),
rightChild: Container(
color: Colors.green,
child: Center(
child: Text('Right Drawer'),
),
),
onTapClose: true,
swipe: true,
leftAnimationType: InnerDrawerAnimation.static,
rightAnimationType: InnerDrawerAnimation.static,
leftOffset: 0.3,
rightOffset: 0.3,
);
}
}
3. 参数说明
scaffold
: 这是主内容区域,通常是一个Scaffold
组件。leftChild
: 左侧抽屉的内容。rightChild
: 右侧抽屉的内容。onTapClose
: 点击主内容区域是否关闭抽屉。swipe
: 是否允许通过滑动手势打开或关闭抽屉。leftAnimationType
和rightAnimationType
: 定义抽屉打开和关闭的动画类型。leftOffset
和rightOffset
: 定义抽屉打开时的偏移量(相对于屏幕宽度或高度的比例)。
4. 控制抽屉
你可以通过 GlobalKey<InnerDrawerState>
来控制抽屉的打开和关闭:
_innerDrawerKey.currentState.toggle(); // 切换抽屉状态
_innerDrawerKey.currentState.openLeft(); // 打开左侧抽屉
_innerDrawerKey.currentState.openRight(); // 打开右侧抽屉
_innerDrawerKey.currentState.close(); // 关闭抽屉