我想制作一个具有额外高度的SingleChileScrollView。我写了一个代码，如果能正常工作则更早些，但是现在我看到了renderflex对象错误。 它工作了一次，突然我看到了这个错误。有人可以看看并提供帮助吗？
下面是代码：
<DatePickerWidget startDate="2020/09/01" endDate="2020/09/30"/ update=this.props.update>
这是我看到的错误：
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:xdflutter/Component61.dart';
import 'package:xdflutter/Component71.dart';
import 'package:xdflutter/Component81.dart';
import 'package:xdflutter/Component91.dart';
import './Component31.dart';
import './Component22.dart';
import './Component21.dart';
import './start.dart';
import 'package:adobe_xd/page_link.dart';
import 'package:flutter_svg/flutter_svg.dart';
class Fifth extends StatelessWidget {
Fifth({
Key key,
}) : super(key: key);
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: const Color(0xffffffff),
body: SingleChildScrollView(
child: Container(
child: Column(
children: <Widget>[
Container(
height: 1000,
width: MediaQuery.of(context).size.width,
child: Column(
children: <Widget>[
Transform.translate(
offset: Offset(0.0, 290.0),
child:
// Adobe XD layer: 'right' (shape)
Container(
width: 315.0,
height: 287.0,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(50.0),
image: DecorationImage(
image: const AssetImage('assets/images/right.png'),
fit: BoxFit.fill,
),
),
),
),
Transform.translate(
offset: Offset(0.0, -275.0),
child: SizedBox(
width: 434.0,
child: Text(
'What you should know \nbefore you begin? ',
style: TextStyle(
fontFamily: 'Corbel',
fontSize: 36,
color: const Color(0xff000000),
fontWeight: FontWeight.w700,
),
textAlign: TextAlign.center,
),
),
),
Transform.translate(
offset: Offset(0.0, -260.0),
child: SizedBox(
width: 348.0,
height: 108.0,
child: Component31(),
),
),
Transform.translate(
offset: Offset(-0.5, -376.5),
child: SvgPicture.string(
_svg_kr65u6,
allowDrawingOutsideViewBox: true,
),
),
Transform.translate(
offset: Offset(0.0, -370.0),
child: SizedBox(
width: 166.0,
child: Text(
'R:Right',
style: TextStyle(
fontFamily: 'Corbel',
fontSize: 42,
color: const Color(0xff000000),
fontWeight: FontWeight.w700,
decoration: TextDecoration.underline,
),
textAlign: TextAlign.center,
),
),
),
Transform.translate(
offset: Offset(0.0, 15.0),
child:
// Adobe XD layer: 'left' (shape)
Container(
width: 307.0,
height: 278.0,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(50.0),
image: DecorationImage(
image: const AssetImage('assets/images/left.png'),
fit: BoxFit.fill,
),
),
),
),
Transform.translate(
offset: Offset(0.0, -320.0),
child: SizedBox(
width: 130.0,
child: Text(
'L:Left',
style: TextStyle(
fontFamily: 'Corbel',
fontSize: 42,
color: const Color(0xff000000),
fontWeight: FontWeight.w700,
decoration: TextDecoration.underline,
),
textAlign: TextAlign.center,
),
),
),
Transform.translate(
offset: Offset(0.0, 50.0),
child:
// Adobe XD layer: 'face' (shape)
Container(
width: 312.0,
height: 289.0,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(54.0),
image: DecorationImage(
image: const AssetImage('assets/images/face.png'),
fit: BoxFit.fill,
),
),
),
),
Transform.translate(
offset: Offset(0.0, -300.0),
child: SizedBox(
width: 142.0,
child: Text(
'F:Face',
style: TextStyle(
fontFamily: 'Corbel',
fontSize: 42,
color: const Color(0xff000000),
fontWeight: FontWeight.w700,
decoration: TextDecoration.underline,
),
textAlign: TextAlign.center,
),
),
),
Transform.translate(
offset: Offset(0.0, 90.0),
child: Container(
width: 314.0,
height: 298.0,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(50.0),
image: DecorationImage(
image: const AssetImage('assets/images/back.png'),
fit: BoxFit.fill,
),
),
),
),
Transform.translate(
offset: Offset(0.0, -270.0),
child: SizedBox(
width: 173.0,
child: Text(
'B: Back ',
style: TextStyle(
fontFamily: 'Corbel',
fontSize: 42,
color: const Color(0xff000000),
fontWeight: FontWeight.w700,
decoration: TextDecoration.underline,
),
textAlign: TextAlign.center,
),
),
),
Transform.translate(
offset: Offset(0.0, 130.0),
child: Container(
width: 314.0,
height: 300.0,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(50.0),
image: DecorationImage(
image: const AssetImage('assets/images/upper.png'),
fit: BoxFit.fill,
),
),
),
),
Transform.translate(
offset: Offset(0.0, -230.0),
child: SizedBox(
width: 192.0,
child: Text(
'U: Upper',
style: TextStyle(
fontFamily: 'Corbel',
fontSize: 42,
color: const Color(0xff000000),
fontWeight: FontWeight.w700,
decoration: TextDecoration.underline,
),
textAlign: TextAlign.center,
),
),
),
Transform.translate(
offset: Offset(0.0, 165.0),
child: Container(
width: 310.0,
height: 296.0,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(50.0),
image: DecorationImage(
image: const AssetImage('assets/images/down.png'),
fit: BoxFit.fill,
),
),
),
),
Transform.translate(
offset: Offset(0.0, -190.0),
child: SizedBox(
width: 187.0,
child: Text(
'D: Down',
style: TextStyle(
fontFamily: 'Corbel',
fontSize: 42,
color: const Color(0xff000000),
fontWeight: FontWeight.w700,
decoration: TextDecoration.underline,
),
textAlign: TextAlign.center,
),
),
),
Transform.translate(
offset: Offset(0.0, 145.0),
child: SizedBox(
width: 329.0,
child: Text(
'R2: Right twice',
style: TextStyle(
fontFamily: 'Corbel',
fontSize: 42,
color: const Color(0xff000000),
fontWeight: FontWeight.w700,
decoration: TextDecoration.underline,
),
textAlign: TextAlign.center,
),
),
),
Transform.translate(
offset: Offset(0.0, 160.0),
child: Container(
width: 312.0,
height: 294.0,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(50.0),
image: DecorationImage(
image: const AssetImage('assets/images/r2.png'),
fit: BoxFit.fill,
),
),
),
),
Transform.translate(
offset: Offset(0.5, 170.0),
child: SizedBox(
width: 442.0,
height: 0.0,
child: Component22(),
),
),
Transform.translate(
offset: Offset(0.0, 185.0),
child: SizedBox(
width: 408.0,
child: Text(
'Counter-clockwise \nrotations',
style: TextStyle(
fontFamily: 'Corbel',
fontSize: 42,
color: const Color(0xff000000),
fontWeight: FontWeight.w700,
decoration: TextDecoration.underline,
),
textAlign: TextAlign.center,
),
),
),
Transform.translate(
offset: Offset(0.5, 380.0),
child: SizedBox(
width: 442.0,
height: 0.0,
child: Component22(),
),
),
Transform.translate(
offset: Offset(0.0, 200.0),
child: SizedBox(
width: 500.0,
height: 200.0,
child: Component61(),
),
),
Transform.translate(
offset: Offset(0.5, 260.0),
child: SizedBox(
width: 442.0,
height: 0.0,
child: Component22(),
// THIS IS IF I NEED TO ADD LINE BELOW SLICE TURNS
),
),
Transform.translate(
offset: Offset(0.0, 190.0),
child: SizedBox(
width: 238.0,
child: Text(
'Slice turns ',
style: TextStyle(
fontFamily: 'Corbel',
fontSize: 42,
color: const Color(0xff000000),
fontWeight: FontWeight.w700,
decoration: TextDecoration.underline,
),
textAlign: TextAlign.center,
),
),
),
Transform.translate(
offset: Offset(0.0, 280.0),
child: Container(
width: 312.0,
height: 303.0,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(50.0),
image: DecorationImage(
image: const AssetImage('assets/images/m_anti.png'),
fit: BoxFit.fill,
),
),
),
),
Transform.translate(
offset: Offset(0.0, -80.0),
child: SizedBox(
width: 226.0,
child: Text(
'M: Middle ',
style: TextStyle(
fontFamily: 'Corbel',
fontSize: 42,
color: const Color(0xff000000),
fontWeight: FontWeight.w700,
decoration: TextDecoration.underline,
),
textAlign: TextAlign.center,
),
),
),
Transform.translate(
offset: Offset(0.0, 360.0),
child: Container(
width: 304.0,
height: 297.0,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(50.0),
image: DecorationImage(
image: const AssetImage('assets/images/m.png'),
fit: BoxFit.fill,
),
),
),
),
Transform.translate(
offset: Offset(0.0, -50.0),
child: SizedBox(
width: 338.0,
child: Text(
'M\': Middle anti-\nclockwise ',
style: TextStyle(
fontFamily: 'Corbel',
fontSize: 42,
color: const Color(0xff000000),
fontWeight: FontWeight.w700,
decoration: TextDecoration.underline,
),
textAlign: TextAlign.center,
),
),
),
Transform.translate(
offset: Offset(-0.5, 280.5),
child: SizedBox(
width: 442.0,
height: 0.0,
child: Component22(),
),
),
Transform.translate(
offset: Offset(0.0, 300.0),
child: SizedBox(
width: 500,
height: 200,
child: Component71(),
),
),
Transform.translate(
offset: Offset(5.5, 220.5),
child: SizedBox(
width: 305.0,
height: 0.0,
child: Component22(),
),
),
Transform.translate(
offset: Offset(0.0, 235.5),
child: SizedBox(
width: 500.0,
height: 200.0,
child: Component81(),
),
),
Transform.translate(
offset: Offset(0.0, 160.5),
child: SizedBox(
width: 500.0,
height: 200.0,
child: Component91(),
),
),
Transform.translate(
offset: Offset(5.5, -60.5),
child: SizedBox(
width: 305.0,
height: 0.0,
child: Component22(),
),
),
Transform.translate(
offset: Offset(0.0, 90.5),
child: SizedBox(
width: 500.0,
height: 0.0,
child: Component22(),
),
),
],
),
),
// Transform.translate(
// offset: Offset(4.0, 250.0),
// child: PageLink(
// links: [
// PageLinkInfo(
// transition: LinkTransition.Fade,
// ease: Curves.easeOut,
// duration: 0.3,
// pageBuilder: () => start(),
// ),
// ],
// child: SizedBox(
// width: 193.0,
// height: 43.0,
// child: Text(
// 'Begin learning! ',
// style: TextStyle(
// fontFamily: 'Corbel',
// fontSize: 28,
// color: const Color(0xffffffff),
// fontWeight: FontWeight.w700,
// ),
// textAlign: TextAlign.right,
// ),
// ),
// ),
// ),
Transform.translate(
offset: Offset(0.0, 100.0),
child: RaisedButton(
onPressed: () {},
child: const Text('Begin learning!',
style: TextStyle(
fontFamily: 'Corbel',
fontWeight: FontWeight.w700,
fontSize: 28,
color: const Color(0xffffffff)
),
),
),
),
Transform.translate(
offset: Offset(4.0, 100.0),
child: PageLink(
links: [
PageLinkInfo(
transition: LinkTransition.Fade,
ease: Curves.easeOut,
duration: 0.3,
pageBuilder: () => Fifth(),
),
],
),
),
Transform.translate(
offset: Offset(60, 670.5),
child: Text(
'Start learning!',
style: TextStyle(
fontSize: 40.0,
fontWeight: FontWeight.w700,
fontFamily: 'Corbel',
color: Colors.black,
),
),
),
Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Align(
alignment: Alignment.bottomCenter,
),
],
),
],),
),
),);
}
}
const String _svg_kr65u6 =
'<svg viewBox="-33.5 113.5 442.0 121.0" ><path transform="translate(-33.5, 113.5)" d="M 442 0 L 0 0" fill="none" stroke="#707070" stroke-width="3" stroke-miterlimit="4" stroke-linecap="butt" /><path transform="translate(-33.5, 234.5)" d="M 442 0 L 0 0" fill="none" stroke="#707070" stroke-width="3" stroke-miterlimit="4" stroke-linecap="butt" /></svg>';
有人可以帮忙吗？谢谢