widget_test.dart 提示 Target of URI doesn't exist: 'package:study_base_flutter/main.dart'.同时The name 'MyApp' isn't a class. 0715.jpg 可以看到,将光标移动到错误提示处,会提示要求引入try_base_flutter/main.dart文件,但是我的项目是study_base_flutter,同时发现lib文件夹下的所有dart文件也全部指向...
../../developer/flutter/packages/flutter/lib/src/material/app.dart:940:61: Error: The getter 'ui' isn't defined for the class '_MaterialAppState'. - '_MaterialAppState' is from 'package:flutter/src/material/app.dart' ('../../developer/flutter/packages/flutter/lib/src/material/app.dart...
Flutter —— 解密dart语法
Widgetbuild(BuildContext context){Widget navigator;if(_navigator!=null){navigator=Navigator(key:_navigator,// If window.defaultRouteName isn't '/', we should assume it was set// intentionally via `setInitialRoute`, and should override whatever// is in [widget.initialRoute].initialRoute:WidgetsB...
import 'package:flutter/material.dart'; import 'package:flutter_svg/flutter_svg.dart'; void main() { runApp(const MyApp()); } class MyApp extends StatelessWidget { const MyApp({super.key}); @override Widget build(BuildContext context) { return MaterialApp( title: 'Flutter Demo', home: Mat...
classPerson{ String _name="li";//get 方法 : 置私有字段的 get 方法 , 让外界可以访问类对象的私有成员 ;getname{return_name; }//set 方法 : 置私有字段的 set 方法 , 让外界可以设置类对象的私有成员 ;setname(value){ _name=value; }
class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp(...); } } 1. 2. 3. 4. 5. 6. 7. MaterialApp 传入 routes 和 onGenerateRoute 等参数,MaterialApp 的 state...
Now let’s look at the code for our starter app, which is quite straightforward. import'package:flutter/material.dart';import'screens/hero_list.dart';voidmain() => runApp(MyApp());classMyAppextendsStatelessWidget{@overrideWidget build(BuildContext context) {returnMaterialApp( ...
InAppBrowser: With this class, you can open an in-app browser window, offering a fuller browsing experience akin to a standalone browser app. It's useful when you want to offer more comprehensive web functionalities without leaving the app. ...
我添加了fit = BoxFit.fill，尝试这个，让我知道如果这解决了你的问题.