使用SingleChildScrollview时出现此错误
Exception caught by rendering library ═════════════════════════════════
RenderBox was not laid out: RenderRepaintBoundary#f9e13 relayoutBoundary=up1 NEEDS-PAINT
'package:flutter/src/rendering/box.dart':
box.dart:1
Failed assertion: line 1966 pos 12: 'hasSize'class MyApp extends StatelessWidget {
const MyApp({super.key});
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
home:DefaultTabController(
length: 2,
child: Scaffold(
backgroundColor: Colors.white,
appBar: AppBar(
elevation: 0.0,
backgroundColor: Colors.white,
bottom:const TabBar(
labelColor: Color.fromARGB(255,255, 166, 159,),
unselectedLabelColor: Color.fromARGB(255,105, 112, 114,),
indicatorColor: Color.fromARGB(255,255, 166, 159,),
indicatorWeight: 2,
indicatorPadding: EdgeInsets.only(left: 24.5,right: 24.5),
indicatorSize: TabBarIndicatorSize.tab,
tabs: [
Tab(
height: 30,
child: Text("3112 Followers",style: TextStyle(fontSize: 18,fontWeight: FontWeight.bold),),
),
Tab(
child: Text("376 Subscribers",style: TextStyle(fontSize: 18,fontWeight: FontWeight.bold),),
),
],
)
,
leading:
const IconButton(
icon: Icon(Icons.arrow_back),
color: Color.fromARGB(255, 8, 13, 15),
iconSize: 39,
onPressed: null ),
title: const Text('Phil Schuster\'s guppies',style: TextStyle(color: Color.fromARGB(255, 5, 16, 20,),fontSize: 20,fontWeight: FontWeight.bold),),
),
body:
SingleChildScrollView(
child: TabBarView(
children: [
Column(
children: <Widget>[
const SizedBox(height: 16,),
SizedBox(
height: 48,
width: 366,
child: Container(
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(12),
color: const Color.fromARGB(255,247, 247, 247),
),
child:
TextFormField(
decoration: const InputDecoration(
hintText: "Search",
prefixIcon: Icon(Icons.search),
prefixIconColor: Color.fromARGB(255,116, 114, 114, ),
hintStyle: TextStyle(color: Color.fromARGB(255,161, 161, 161,),fontSize: 18,fontWeight: FontWeight.bold),
border: InputBorder.none,
),
),
),
),
const SizedBox(height: 24,),
SizedBox(
width: 366,
child:
Column(
children: [
const Row(
children: [
CircleAvatar(
radius: 26,
backgroundImage: AssetImage('assets/images/1.jpeg'),
),
SizedBox(width: 16,),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text("Emma Jensen",style: TextStyle(color: Color.fromARGB(255, 6, 16, 20,),fontSize: 18,fontWeight: FontWeight.bold),),
SizedBox(height: 9,),
Text("emma_jensen_02",style: TextStyle(color: Color.fromARGB(127, 6, 16, 20),fontSize: 14,fontWeight: FontWeight.bold),),
],
)
],
),
const SizedBox(height: 12,),
SizedBox(
width: 366,
height: 1,
child: Container(
color: const Color.fromARGB(255,225, 225, 225),
),
),
const SizedBox(height: 12,),
const Row(
children: [
CircleAvatar(
radius: 26,
backgroundImage: AssetImage('assets/images/2.jpg'),
),
SizedBox(width: 16,),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text("Alfred Hansen",style: TextStyle(color: Color.fromARGB(255, 6, 16, 20,),fontSize: 18,fontWeight: FontWeight.bold),),
SizedBox(height: 9,),
Text("alfred_hansen",style: TextStyle(color: Color.fromARGB(127, 6, 16, 20),fontSize: 14,fontWeight: FontWeight.bold),),
],
)
],
),
const SizedBox(height: 12,),
SizedBox(
width: 366,
height: 1,
child: Container(
color: const Color.fromARGB(255,225, 225, 225),
),
),
const SizedBox(height: 12,),
const Row(
children: [
CircleAvatar(
radius: 26,
backgroundImage: AssetImage('assets/images/3.jpeg'),
),
SizedBox(width: 16,),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text("Alberte Jorgensen",style: TextStyle(color: Color.fromARGB(255, 6, 16, 20,),fontSize: 18,fontWeight: FontWeight.bold),),
SizedBox(height: 9,),
Text("alberte_jorgensen",style: TextStyle(color: Color.fromARGB(127, 6, 16, 20),fontSize: 14,fontWeight: FontWeight.bold),),
],
)
],
),
const SizedBox(height: 12,),
SizedBox(
width: 366,
height: 1,
child: Container(
color: const Color.fromARGB(255,225, 225, 225),
),
),
const SizedBox(height: 12,),
const Row(
children: [
CircleAvatar(
radius: 26,
backgroundImage: AssetImage('assets/images/4.jpeg'),
),
SizedBox(width: 16,),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text("Marie Olsen",style: TextStyle(color: Color.fromARGB(255, 6, 16, 20,),fontSize: 18,fontWeight: FontWeight.bold),),
SizedBox(height: 9,),
Text("marie_olsen",style: TextStyle(color: Color.fromARGB(127, 6, 16, 20),fontSize: 14,fontWeight: FontWeight.bold),),
],
)
],
),
const SizedBox(height: 12,),
SizedBox(
width: 366,
height: 1,
child: Container(
color: const Color.fromARGB(255,225, 225, 225),
),
),
const SizedBox(height: 12,),
const Row(
children: [
CircleAvatar(
radius: 26,
backgroundImage: AssetImage('assets/images/5.jpeg'),
),
SizedBox(width: 16,),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text("Sofia Andersen",style: TextStyle(color: Color.fromARGB(255, 6, 16, 20,),fontSize: 18,fontWeight: FontWeight.bold),),
SizedBox(height: 9,),
Text("sofia_andersen",style: TextStyle(color: Color.fromARGB(127, 6, 16, 20),fontSize: 14,fontWeight: FontWeight.bold),),
],
)
],
),
const SizedBox(height: 12,),
SizedBox(
width: 366,
height: 1,
child: Container(
color: const Color.fromARGB(255,225, 225, 225),
),
),
const SizedBox(height: 12,),
const Row(
children: [
CircleAvatar(
radius: 26,
backgroundImage: AssetImage('assets/images/6.jpeg'),
),
SizedBox(width: 16,),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text("Melissa Pohl",style: TextStyle(color: Color.fromARGB(255, 6, 16, 20,),fontSize: 18,fontWeight: FontWeight.bold),),
SizedBox(height: 9,),
Text("melissa_pohl",style: TextStyle(color: Color.fromARGB(127, 6, 16, 20),fontSize: 14,fontWeight: FontWeight.bold),),
],
)
],
),
const SizedBox(height: 12,),
SizedBox(
width: 366,
height: 1,
child: Container(
color: const Color.fromARGB(255,225, 225, 225),
),
),
const SizedBox(height: 12,),
const Row(
children: [
CircleAvatar(
radius: 26,
backgroundImage: AssetImage('assets/images/7.jpeg'),
),
SizedBox(width: 16,),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text("Christian Larsen",style: TextStyle(color: Color.fromARGB(255, 6, 16, 20,),fontSize: 18,fontWeight: FontWeight.bold),),
SizedBox(height: 9,),
Text("christian_larsen",style: TextStyle(color: Color.fromARGB(127, 6, 16, 20),fontSize: 14,fontWeight: FontWeight.bold),),
],
)
],
),
const SizedBox(height: 12,),
SizedBox(
width: 366,
height: 1,
child: Container(
color: const Color.fromARGB(255,225, 225, 225),
),
),
const SizedBox(height: 12,),
const Row(
children: [
CircleAvatar(
radius: 26,
backgroundImage: AssetImage('assets/images/8.jpg'),
),
SizedBox(width: 16,),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text("Mikkel Rasmussen",style: TextStyle(color: Color.fromARGB(255, 6, 16, 20,),fontSize: 18,fontWeight: FontWeight.bold),),
SizedBox(height: 9,),
Text("mikkel_rasmussen",style: TextStyle(color: Color.fromARGB(127, 6, 16, 20),fontSize: 14,fontWeight: FontWeight.bold),),
],
)
],
),
const SizedBox(height: 12,),
SizedBox(
width: 366,
height: 1,
child: Container(
color: const Color.fromARGB(255,225, 225, 225),
),
),
],
)
)
],
),
Column(
children: <Widget>[
const SizedBox(height: 16,),
SizedBox(
height: 48,
width: 366,
child: Container(
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(12),
color: const Color.fromARGB(255,247, 247, 247),
),
child: TextFormField(
decoration: const InputDecoration(
hintText: "Search",
prefixIcon: Icon(Icons.search),
prefixIconColor: Color.fromARGB(255,116, 114, 114, ),
hintStyle: TextStyle(color: Color.fromARGB(255,161, 161, 161,),fontSize: 18,fontWeight: FontWeight.bold),
border: InputBorder.none,
),
),
),
),
const SizedBox(height: 24,),
SizedBox(
width: 366,
child:
Column(
children: [
const Row(
children: [
CircleAvatar(
radius: 26,
const Row(
children: [
CircleAvatar(
radius: 26,
backgroundImage: AssetImage('assets/images/5.jpeg'),
),
SizedBox(width: 16,),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text("Sofia Andersen",style: TextStyle(color: Color.fromARGB(255, 6, 16, 20,),fontSize: 18,fontWeight: FontWeight.bold),),
SizedBox(height: 9,),
Text("sofia_andersen",style: TextStyle(color: Color.fromARGB(127, 6, 16, 20),fontSize: 14,fontWeight: FontWeight.bold),),
],
)
],
),
const SizedBox(height: 12,),
SizedBox(
width: 366,
height: 1,
child: Container(
color: const Color.fromARGB(255,225, 225, 225),
),
),
const SizedBox(height: 12,),
const Row(
children: [
CircleAvatar(
radius: 26,
backgroundImage: AssetImage('assets/images/6.jpeg'),
),
SizedBox(width: 16,),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text("Melissa Pohl",style: TextStyle(color: Color.fromARGB(255, 6, 16, 20,),fontSize: 18,fontWeight: FontWeight.bold),),
SizedBox(height: 9,),
Text("melissa_pohl",style: TextStyle(color: Color.fromARGB(127, 6, 16, 20),fontSize: 14,fontWeight: FontWeight.bold),),
],
)
],
),
const SizedBox(height: 12,),
SizedBox(
width: 366,
height: 1,
child: Container(
color: const Color.fromARGB(255,225, 225, 225),
),
),
const SizedBox(height: 12,),
const Row(
children: [
CircleAvatar(
radius: 26,
backgroundImage: AssetImage('assets/images/7.jpeg'),
),
SizedBox(width: 16,),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text("Christian Larsen",style: TextStyle(color: Color.fromARGB(255, 6, 16, 20,),fontSize: 18,fontWeight: FontWeight.bold),),
SizedBox(height: 9,),
Text("christian_larsen",style: TextStyle(color: Color.fromARGB(127, 6, 16, 20),fontSize: 14,fontWeight: FontWeight.bold),),
],
)
],
),
const SizedBox(height: 12,),
SizedBox(
width: 366,
]它不应该给出那个错误
1条答案
按热度按时间ghhkc1vu1#
基本上你的错误的意思是没有屏幕的大小，所以，你需要给予高度的
SingleChildScrollView。要解决这个问题，只需在SingleChildScrollView之前使用SizedBox widget