Flutter的ListView或Column或Row嵌套ListView,往往会报下面的错误: RenderBox was not laid out: RenderFlex..... 这是因为ListView或Column或Row嵌套ListView,会有问题,解决办法如下: 处理方案 一、ListView嵌套ListView ListView( children: <Widget>[ ListView(
我是flutter的新手,正在尝试在flutter中实现自定义列表视图。其给定的be RenderCustomMultiChildLayoutBox对象在布局错误期间被赋予无限大小 我不能得到它的抛出错误2的窗口小部件,也请建议如何调试这些布局错误,因为错误跟踪没有具体的窗口小部件被抛出的信息: Column( height: 200, 浏览2提问于2021-03-29得票数 0 ...
I/flutter ( 4625): there will always be enough vertical space for the children. In this case, consider using a Column I/flutter ( 4625): instead. Otherwise, consider using the “shrinkWrap” property (or a ShrinkWrappingViewport) to size I/flutter ( 4625): the height of the viewport to...
Flutter:我正在使用扩展磁贴来显示项目,当单击扩展磁贴时,我已经在一个列中显示了扩展磁贴中存在的所有列表,并且我在纵向和横向模式下都显示没有问题,但在横向模式中,由于空间不足,它抛出了一个异常,I/flutter ( 6076):扩展的小部件必须放在Flex小部件中。 I/flutter ( 6076):扩展(无深度,flex: 2,脏)根本没...
new Column( children: _buildList(keyIndex) ) ] ), ); } ) ) ); } } 错误如控制台所示: I/flutter (12945): ══╡ EXCEPTION CAUGHT BY RENDERING LIBRARY ╞═════════════════════════════════════════════════════════ ...
android studio 调试flutter 如何查看执行 堆栈 flutter listview性能,ListViewListView是最常用的可滚动组件之一,它可以沿一个方向线性排布所有子组件,并且它也支持列表项懒加载(在需要时才会创建)。我们看看ListView的默认构造函数定义:ListView({...//可滚动widget
I/flutter ( 5969): Ifthiswidget is always nestedina scrollable widget there is no need to use a viewport because I/flutter ( 5969): there will always be enough vertical spaceforthe children. Inthiscase, consider using a Column I/flutter ( 5969): instead. Otherwise, consider using the"shr...
import'package:flutter/material.dart';voidmain() {runApp(constMainApp()); }classMainAppextendsStatelessWidget{constMainApp({super.key});@overrideWidgetbuild(BuildContextcontext) {returnMaterialApp( home:Scaffold( body:SafeArea( child:ListView( ...
can please provide the flutter run -v and minimal reproduction code? Thanks. Member darshankawar commented Oct 23, 2020 @SugyoIn-LBSTech Since you've put SizedBox inside Column that is stretch, the child of SizedBox is going to take parent's dimensions and hence you are seeing a stretched...
关键点:千言万语就是---使用Expanded来包含一下,尤其是Column嵌套Column时,内部的需要一个Expanded或者Flex来包含Column Column inside ListView or another vertical scrollable Another reason for this message to be displayed is nesting a Column inside a ListView or other vertical scrollable. In that scenario...