Flutter 应用程序错误 -- RenderBox 未布局：RenderFlex#0bf43 relayoutBoundary=up6 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE

Question

Exception caught by rendering library ?????????????????????????????????
RenderBox was not laid out: RenderFlex#0bf43 relayoutBoundary=up6 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1687 pos 12: 'hasSize'
The relevant error-causing widget was
    Padding 
lib\Reset.dart:18
????????????????????????????????????????????????????????????????????????????????

???????? Exception caught by rendering library ?????????????????????????????????
RenderBox was not laid out: RenderPadding#0b7cf relayoutBoundary=up5 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1687 pos 12: 'hasSize'
The relevant error-causing widget was
    ListView 
lib\Reset.dart:15
????????????????????????????????????????????????????????????????????????????????

???????? Exception caught by rendering library ?????????????????????????????????
RenderBox was not laid out: RenderRepaintBoundary#393f1 relayoutBoundary=up4 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1687 pos 12: 'hasSize'
The relevant error-causing widget was
    ListView 
lib\Reset.dart:15
????????????????????????????????????????????????????????????????????????????????

???????? Exception caught by rendering library ?????????????????????????????????
'package:flutter/src/rendering/sliver_multi_box_adaptor.dart': Failed assertion: line 549 pos 12: 'child.hasSize': is not true.
The relevant error-causing widget was
    ListView 
lib\Reset.dart:15
????????????????????????????????????????????????????????????????????????????????

???????? Exception caught by rendering library ?????????????????????????????????
The getter 'scrollOffsetCorrection' was called on null.
Receiver: null
Tried calling: scrollOffsetCorrection
The relevant error-causing widget was
    ListView 
lib\Reset.dart:15
????????????????????????????????????????????????????????????????????????????????

???????? Exception caught by rendering library ?????????????????????????????????

代码截图

这是我的代码，当我运行它时，它显示上面的这些错误，并且屏幕变白。我怎样才能正确解决这个问题？ 运行设备截图

Answer 1

尝试将您的父小部件包装在Expanded()或shrinkWrap: true在您的ListView构建器之前添加