flutter实现底部抽屉效果
作者:齐安郡晚秋
这篇文章主要为大家详细介绍了flutter实现底部抽屉效果,文中示例代码介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们可以参考一下
本文实例为大家分享了flutter实现底部抽屉效果的具体代码,供大家参考,具体内容如下
安卓:showModalBottomSheet
IOS:showCupertinoModalPopup
效果图
完整代码
import 'package:flutter/cupertino.dart'; import 'package:flutter/material.dart'; ///@作者: Q.L ///@创建日期: 2021-09-09 10:55 ///@描述: {底部抽屉} class ActionSheetPage extends StatefulWidget { const ActionSheetPage({Key? key}) : super(key: key); @override _ActionSheetPageState createState() => _ActionSheetPageState(); } class _ActionSheetPageState extends State<ActionSheetPage> { @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text('底部抽屉弹出'), ), body: Center( child: Column( mainAxisAlignment: MainAxisAlignment.center, children: [ ElevatedButton( onPressed: () { _showModalBottomSheet(); }, child: Text('安卓弹出')), ElevatedButton( onPressed: () { _showCupertinoModalPopup(); }, child: Text('IOS弹出')), ], ), ), ); } _showModalBottomSheet() async { var _result = await showModalBottomSheet( context: context, backgroundColor: Colors.greenAccent, //背景颜色 // elevation: 500, //阴影 shape: RoundedRectangleBorder( // borderRadius: BorderRadius.all(Radius.circular(10)),//所有圆角边框 borderRadius: BorderRadius.only(topLeft: Radius.circular(10), topRight: Radius.circular(10))), isScrollControlled: false, //是否是全屏还是半屏,true全屏,默认false半屏 isDismissible: true, //外部是否可以点击,false不可以点击,true可以点击,点击后消失 builder: (BuildContext context) { return Column( mainAxisSize: MainAxisSize.min, // 设置最小的弹出 children: [ ListTile( leading: Icon(Icons.photo_camera), title: Text("拍照"), onTap: () { Navigator.of(context).pop('拍照'); }, ), ListTile( leading: Icon(Icons.photo_library), title: Text("相册"), onTap: () { Navigator.of(context).pop('相册'); }, ), ], ); }); print('选择了安卓==>>${_result ?? '点击了屏幕取消'}'); } _showCupertinoModalPopup() async { var result = await showCupertinoModalPopup( context: context, builder: (context) { return CupertinoActionSheet( title: Text('提示'), message: Text('是否要编辑当前项?'), actions: [ CupertinoActionSheetAction( child: Text('编辑'), onPressed: () { Navigator.of(context).pop('编辑'); }, isDefaultAction: true, ), CupertinoActionSheetAction( child: Text('删除'), onPressed: () { Navigator.of(context).pop('删除'); }, isDestructiveAction: true, ), ], cancelButton: CupertinoActionSheetAction( child: Text('取消'), onPressed: () { Navigator.of(context).pop('取消'); }, ), ); }); print('选择了IOS==>>${result ?? '点击了屏幕取消'}'); } }
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。