Card小部件问题：
SizedBox(
height: screenHeight * 0.79, // Previously 0.71
width: screenWidth * 0.85,
child: Card(
...
我不明白这个问题，我已经设置了高度，但是它显示高度没有限制。因此，我得到了RenderFlex溢出错误。您可以查看相关的小部件，可能是什么问题呢？
示例小部件：
import 'package:animated_bottom_navigation_bar/animated_bottom_navigation_bar.dart';
import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';
class SizeTest extends StatefulWidget {
const SizeTest({Key? key}) : super(key: key);
@override
State<SizeTest> createState() => _SizeTestState();
}
class _SizeTestState extends State<SizeTest> {
@override
Widget build(BuildContext context) {
EdgeInsets padding = MediaQuery.of(context).padding;
final screenWidth = MediaQuery.of(context).size.width;
final screenHeight = MediaQuery.of(context).size.height - padding.top - padding.bottom - kBottomNavigationBarHeight;
final pageView = PageView(
onPageChanged: (page) {
},
children: [
// Games
Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
Expanded(
child: Scrollbar(
child: SingleChildScrollView(
child: SizedBox(
height: screenHeight * 1.075,
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
Text(
'ok'
),
],
),
),
),
),
),
],
),
],
);
return SafeArea(
child: Scaffold(
backgroundColor: Colors.white,
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
SizedBox(height: screenHeight * 0.02),
Center(
child: FittedBox(
fit: BoxFit.fitHeight,
child: Text(
'h',
textAlign: TextAlign.center,
style: GoogleFonts.alumniSans(
fontSize: 40,
color: Colors.white
),
),
),
),
const SizedBox(height: 0,),
// Copyright
Container(
height: screenHeight * 0.02,
margin: EdgeInsets.only(bottom: screenHeight * 0.01),
child: FittedBox(
fit: BoxFit.fitHeight,
child: Text(
'h',
style: TextStyle(
color: Colors.white.withOpacity(0.8),
fontSize: 10,
),
),
),
),
SizedBox(height: screenHeight * 0.01,),
SizedBox(
height: screenHeight * 0.03,
width: screenWidth * 0.8,
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
GestureDetector(
onTap: () {
},
child: FittedBox(
fit: BoxFit.fitHeight,
child: Text(
'h',
),
),
),
GestureDetector(
onTap: () {
},
child: FittedBox(
fit: BoxFit.fitHeight,
child: Text(
'h',
),
),
),
GestureDetector(
onTap: () {
},
child: FittedBox(
fit: BoxFit.fitHeight,
child: Text(
'h',
),
),
),
GestureDetector(
onTap: () {
},
child: FittedBox(
fit: BoxFit.fitHeight,
child: Text(
'd',
),
),
),
],
),
),
SizedBox(height: screenHeight * 0.01,),
SizedBox(
height: screenHeight * 0.8, // Previously 0.71
width: screenWidth * 0.85,
child: Card(
color: Colors.white,
child: (true) ?
pageView :
Center(
child: SizedBox(
height: screenHeight * 0.05,
width: screenWidth * 0.1,
child: const CircularProgressIndicator(
color: Color(0xFFF04F23),
),
),
),
),
),
],
),
),
bottomNavigationBar: MediaQuery.of(context).orientation == Orientation.portrait ?
AnimatedBottomNavigationBar(
backgroundColor: Colors.cyan,
onTap: (index) {
},
activeIndex: 0,
icons: const [
Icons.f,
Icons.f,
Icons.f,
Icons.f,
],
gapLocation: GapLocation.center,
notchSmoothness: NotchSmoothness.sharpEdge,
leftCornerRadius: 32,
rightCornerRadius: 32,
) :
null,
),
);
}
}