Flutter版本: 1.12.13+hotfix.5 Dart版本: 2.7.0 showDialog showDialog 用于弹出Material风格对话框,基本用法如下: showDialog(context:context,builder:(context){returnAlertDialog(...);}); 效果如下: builder通常返回Dialog组件,比如SimpleDialog和AlertDialog。
showMenu showMenu弹出一个Menu菜单,用法如下: showMenu( context: context, position: RelativeRect.fill, items: <PopupMenuEntry>[ PopupMenuItem(child: Text('语文')), PopupMenuDivider(), CheckedPopupMenuItem( child: Text('数学'), checked:true, ), PopupMenuDivider(), PopupMenuItem(child: Text(...
showMenu showMenu弹出一个Menu菜单,用法如下: showMenu( context: context, position: RelativeRect.fill, items: <PopupMenuEntry>[ PopupMenuItem(child: Text('语文')), PopupMenuDivider(), CheckedPopupMenuItem( child: Text('数学'), checked: true, ), PopupMenuDiv...
flutter showMenu GestureDetector( onLongPressDown: (details) { setState(() { dx = details.globalPosition.dx; dy = details.globalPosition.dy; }); }, onLongPress: () { showMenu( context: context, ///这个坐标值不好调整,下面我的经验值,位置在手指点击点的左下方,想往左移动给110+数字 往下移...
Flutter版本: 1.12.13+hotfix.5 Dart版本: 2.7.0 showDialog showDialog 用于弹出Material风格对话框,基本用法如下: showDialog( context: context, builder: (context) { return AlertDialog( ... ); } ); 效果如下: builder通常返回Dialog组件,比如SimpleDialog和AlertDialog。
Flutter 下拉菜单实现 IconButton( icon: Icon(Icons.more_horiz), onPressed: (){ showMenu( context:context, position:RelativeRect.fromLTRB(600, 76, 10, 0), items: [ PopupMenuItem( child: Row( children: <Widget>[ Icon(Icons.home),
在Flutter中调用showMenu方法时不丢弃键盘,可以通过使用FocusScope来实现。FocusScope是一个用于管理焦点的小部件,可以确保在显示菜单时保持键盘的可见性。 以下是实现的步骤: 导入flutter包: 代码语言:txt 复制 import 'package:flutter/services.dart'; 创建一个FocusScopeNode对象: ...
showMenu showMenu弹出一个Menu菜单,用法如下: 代码语言:txt 复制 showMenu( context: context, position: RelativeRect.fill, items: <PopupMenuEntry>[ PopupMenuItem(child: Text('语文')), PopupMenuDivider(), CheckedPopupMenuItem( child: Text('数学'), ...
showMenu(context:context,position:RelativeRect.fromLTRB(600, 76, 10, 0) ,items: [PopupMenuItem(child: Row(children: <Widget>[Icon(Icons.home),Text("⾸页")],),),PopupMenuItem(child: Row(children: <Widget>[Icon(Icons.search),Text("搜索")],),)]);},)Flutter GestureDetector ⼿势事件...
But as far as I'm aware it is not possible to do this consistently since you can't access the width of the menu until it has been laid out, so you will only be able to align it to the left: showMenu( position:_menuPosition(context), ...