在showMenu方法中,将传递给builder参数的BuildContext对象的focusScopeNode属性设置为当前焦点: 代码语言:txt 复制 showMenu( context: context, position: RelativeRect.fromLTRB(100, 100, 0, 0), items: [ PopupMenuItem( child: Text('Item 1
Flutter GestureDetector 手势事件 GestureDetector( behavior: HitTestBehavior.opaque, onTap: () { // 可以执行点击事件或其他操作 // Navigator.of(context).pop(); }, child:Text("") ) Flutter 弹出底部菜单 // 注意:默认情况下, showModalBottomSheet 弹出底部菜单时,点击任意地方都会消失。 // 如果希望点...
在Flutter中,如果你想在showMenu下改变PopupMenuItem的背景色,可以通过自定义PopupMenuItem的decoration属性来实现。以下是一个简单的示例,展示了如何改变PopupMenuItem的背景色: 代码语言:txt 复制 import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWi...
Doctor output [√] Flutter (Channel stable, 3.24.5, on Microsoft Windows [Version 10.0.22631.4460], locale en-GB)• Flutter version 3.24.5 on channel stable at C:\sdks\flutter• Upstream repository https://github.com/flutter/flutter.git• Framework revision dec2ee5c1f (2 weeks ago),...
FlutterError TickerCanceledshowMenu<T> function Future<T> showMenu <T>({@required BuildContext context, RelativeRect position, @required List<PopupMenuEntry<T>> items, T initialValue, double elevation: 8.0, String semanticLabel }) Show a popup menu that contains the items at position. If ini...
flutter/packages/flutter/lib/src/cupertino/sheet.dart Lines 242 to 269 inb61335b finalWidget?contrastedChild= child!=null&&!secondaryAnimation.isDismissed ?Stack( children:<Widget>[ child, FadeTransition( opacity:opacityAnimation, child:ColoredBox(color:overlayColor, child:constSizedBox.expand()), ...
<MenuItem Header="Export Multiple"Command="{Binding ExportMultiCmd}"/> <MenuItem Header="Export All"Command="{Binding ExportAllCmd}"/> </MenuItem> <MenuItem Header="Show"> <MenuItem Header="Show Single Item"Command="{Binding ShowSingleItemCmd}"/> ...
Showcase( key: _one, title: 'Menu', description: 'Click here to see menu options', child: Icon( Icons.menu, color: Colors.black45, ), ),Some more optional parametersShowcase( key: _two, title: 'Profile', description: 'Click here to go to your Profile', disableAnimation: true, sha...
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 往下移动180加数字position:RelativeRect.fromLTRB(dx,dy,dx+110,dy-40),items:[///建议指定value属性PopupMenuItem<String>(
when you do a context menu, a pop-up menu, we move it over so that it doesn’t hit the edge of your screen and then stop drawing, because we have only one window, so we can only draw in that window. If we let it get too close to the edge, then it...