#36 RenderFlex.performLayout (package:flutter/src/rendering/flex.dart:903:32) #37 RenderObject.layout (package:flutter/src/rendering/object.dart:2548:7) #38 RenderBox.layout (package:flutter/src/rendering/box.dart:2382:11) #39 MultiChildLayoutDelegate.layoutChild (package:flutter/src/rendering/custom...
function Screen2() { const {getEmail} = useContext(LoginContexts); return ( <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center' }}> <Text>{getEmail}</Text> </View> );} React错误:TypeError:render不是函数
• Flutter extension version 3.19.0 [!] Connected device!No devices available!Doctor found issuesin2 categories. [✓] Flutter (Channel master, 1.26.0-18.0.pre.156, on macOS 11.1 20C69 darwin-x64, locale en-GB) • Flutter version 1.26.0-18.0.pre.156 at /Users/tahatesser/Code/flutt...
在 Android 的 Activity 界面中嵌入了 FlutterFragment , 在 Android 中启动了 FlutterActivity ;
您可以通过使用hrender函数来实现这一点,如以下示例所示: <template v-for="(item, index) in myConfig" :key="index"> My Button: <component :is="item.renderer" /> </template>import { h } from 'vue';const myConfig = [ { name: 'example', renderer: h('button', { onClick:clickHanld...
(flex:180, child:TestList()),Flexible(flex:20, child:Text("test")), ]) ); } }// test_list.dart// import 'package:flutter/material.dart';classTestListextendsStatelessWidget{finalMap<int,String> aMap={1:'test1',2:'test1',3:'test1'};TestList();@overrideWidgetbuild(BuildContextcontext...
function Screen2() { const {getEmail} = useContext(LoginContexts); return ( <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center' }}> <Text>{getEmail}</Text> </View> );} render()实际上是如何执行的? render()在每次组件状态更新时被调用。在许多其他情况下,它也可以被...