如何通过滚动显示列表



我希望流行菜单在滚动整个页面时向下滚动,而不是现在只在的小部分滚动

它是Listview 中的Listview.builder

演示:https://i.stack.imgur.com/TZ8xH.gif

这是的完整代码

它评论了Listview和Listview.builder是的位置

ctrl+f搜索这个"//////"快速找到他们

import 'dart:async';
import 'package:custom_refresh_indicator/custom_refresh_indicator.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:foodninja/consts.dart';
import 'package:lottie/lottie.dart';

Color whiteBcg = const Color.fromARGB(255, 255, 255, 255);
Color limeColor = const Color.fromARGB(204, 77, 200, 118);
Color blackColor = Colors.black;
Color orangeInside = const Color.fromARGB(255, 210, 122, 0);
Color orangeOutside = const Color.fromARGB(45, 210, 123, 0);
Color cardBcg = const Color.fromRGBO(238, 238, 238, 1);
Color subText = const Color.fromARGB(255, 164, 164, 164);
class MyIconButton extends StatelessWidget {
const MyIconButton({
Key? key,
required this.icon,
required this.onClickAction,
}) : super(key: key);
final IconData icon;
final Function onClickAction;
@override
Widget build(BuildContext context) {
return Container(
height: 50,
width: 50,
decoration: BoxDecoration(
color: orangeOutside,
// border: Border.all(
//   color: Colors.red,
// ),
borderRadius: BorderRadius.circular(15)),
child: TextButton(
style: ButtonStyle(
backgroundColor: MaterialStateProperty.all<Color>(
const Color.fromARGB(2, 255, 149, 0)),
),
onPressed: () => onClickAction(),
child: Icon(
icon,
color: orangeInside,
),
));
}
}
class HomeScreen extends StatelessWidget {
const HomeScreen({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
double h = MediaQuery.of(context).size.height;
double w = MediaQuery.of(context).size.width;
return Scaffold(
body: CustomRefreshIndicator(
onRefresh: () {
return Future(
() {},
);
},
builder: (
BuildContext context,
Widget child,
IndicatorController controller,
) {
return AnimatedBuilder(
animation: controller,
builder: (BuildContext context, _) {
return Stack(
children: <Widget>[
if (controller.isDragging ||
controller.isArmed ||
controller.isLoading)
Positioned(
left: w * 0.37,
top: controller.value * 50,
child: SizedBox(
height: 100,
width: 100,
child: Transform.translate(
offset: Offset(0, controller.value * 20),
child: Transform.scale(
scale: controller.value *1.5,
child:
Lottie.asset("assets/burgerBounce.json"))),
),
),
// if (controller.isArmed)
//   Positioned(
//     left: 0,
//     top: 25 * controller.value,
//     child: SizedBox(
//       height: 100,
//       width: 100,
//       child: Lottie.asset("assets/icecream.json"),
//     ),
//   ),
Transform.translate(
offset: const Offset(0, 0),
child: child,
)
],
);
},
);
},
child: ListView(physics: const BouncingScrollPhysics(), children: [ ///////the list view
SafeArea(
child: Stack(children: [
SizedBox(
width: 500,
child: Image.asset(
'assets/PhoneVerificationPattern.png',
fit: BoxFit.fill,
),
),
Padding(
padding: const EdgeInsets.all(20.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const SizedBox(
height: 30,
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
const Text(
"Find your nfavorite food",
style: TextStyle(
fontSize: 35, fontWeight: FontWeight.bold),
),
MyIconButton(
icon: Icons.notifications_none,
onClickAction: () {},
),
]),
const SizedBox(
height: 20,
),
Container(
alignment: Alignment.center,
height: 70,
width: w,
decoration: BoxDecoration(
color: orangeOutside,
// border: Border.all(
//   color: Colors.red,
// ),
borderRadius: BorderRadius.circular(15)),
child: TextFormField(
style: TextStyle(color: orangeInside),
decoration: InputDecoration(
hintText: "what do you want to order ?",
hintStyle: TextStyle(color: orangeInside),
prefixIconColor: orangeInside,
fillColor: orangeInside,
focusColor: orangeInside,
border: InputBorder.none,
focusedBorder: InputBorder.none,
prefixIcon: Icon(
Icons.search,
color: orangeInside,
),
contentPadding:
EdgeInsets.fromLTRB(0, 14, 0, 0))),
),
const SizedBox(
height: 20,
),
PromoAdvert(h: h, w: w),
const SizedBox(
height: 15,
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
const Text(
"Nearest resturants",
style: TextStyle(
fontSize: 18, fontWeight: FontWeight.bold),
),
RichText(
text: TextSpan(
children: [
TextSpan(
text: "View more",
style: TextStyle(
fontSize: 15,
color: orangeInside,
),
recognizer: TapGestureRecognizer()
..onTap = () {}),
],
),
),
],
),
const SizedBox(
height: 15,
),
NearestResturants(w: w, h: h),
const SizedBox(
height: 15,
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
const Text(
"Popular menu",
style: TextStyle(
fontSize: 18, fontWeight: FontWeight.bold),
),
RichText(
text: TextSpan(
children: [
TextSpan(
text: "View more",
style: TextStyle(
fontSize: 15,
color: orangeInside,
),
recognizer: TapGestureRecognizer()
..onTap = () {}),
],
),
),
],
),
const SizedBox(
height: 20,
),
SizedBox(
height: 70,
width: 400,
child: ListView.builder( ////////////////List view builder where the problem is
shrinkWrap: true,
scrollDirection: Axis.vertical,
itemCount: 4,
itemBuilder: (context, index) => Container(
height: 70,
width: 400,
decoration: BoxDecoration(
color: cardBcg,
// border: Border.all(
//   color: Colors.red,
// ),
borderRadius: BorderRadius.circular(15)),
child: Row(
children: [
Padding(
padding:
const EdgeInsets.fromLTRB(9, 5, 0, 5),
child: Container(
width: 50,
decoration: BoxDecoration(
image: DecorationImage(
image: AssetImage(
nearestResturantsContentList[index]
.image,
),
),
borderRadius: BorderRadius.circular(15),
),
),
),
const SizedBox(
width: 20,
),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
"Fruit Salade ",
textAlign: TextAlign.start,
),
Text(
"Vegan resto",
textAlign: TextAlign.start,
style: TextStyle(color: subText),
),
],
),
const SizedBox(
width: 150,
),
Text(
"7$",
textAlign: TextAlign.start,
style: TextStyle(
color: const Color.fromARGB(
255, 254, 171, 29),
fontSize: 23),
)
],
)),
),
),
],
),
)
]),
),
]),
),
);
}
}
class NearestResturantsContent {
late String image;
late String text;
late String subText;
NearestResturantsContent(
this.image,
this.text,
this.subText,
);
}
List<NearestResturantsContent> nearestResturantsContentList = [
NearestResturantsContent(
"assets/veganRestoLogo.png",
"veganResto",
"3KM",
),
NearestResturantsContent(
"assets/AjintiLogo.png",
"Ajinti",
"6KM",
),
NearestResturantsContent(
"assets/ChefGoLogo.png",
"ChefGo",
"10KM",
),
NearestResturantsContent(
"assets/BakeryLogo.png",
"Bakery",
"3KM",
),
NearestResturantsContent(
"assets/healthyFoodLogo.png",
"healthyFood",
"5KM",
),
NearestResturantsContent(
"assets/windowstoLogo.png",
"windowsto",
"3KM",
),
];
class NearestResturants extends StatelessWidget {
const NearestResturants({
Key? key,
required this.w,
required this.h,
}) : super(key: key);
final double w;
final double h;
@override
Widget build(BuildContext context) {
return SizedBox(
width: w,
height: h * 0.22,
child: ListView.builder(
scrollDirection: Axis.horizontal,
itemCount: nearestResturantsContentList.length,
itemBuilder: (context, index) {
return Container(
margin: const EdgeInsets.fromLTRB(0, 0, 10, 0),
width: w * 0.4,
height: h * 0.22,
decoration: BoxDecoration(
color: cardBcg,
// border: Border.all(
//   color: Colors.red,
// ),
borderRadius: BorderRadius.circular(15)),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
SizedBox(
child: SizedBox(
height: 90,
width: 90,
child: Image.asset(
nearestResturantsContentList[index].image,
fit: BoxFit.fill,
),
),
),
Text(
nearestResturantsContentList[index].text,
style: const TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
overflow: TextOverflow.ellipsis),
),
const SizedBox(
height: 5,
),
Text(
nearestResturantsContentList[index].subText,
style: TextStyle(
color: subText,
fontSize: 13,
fontWeight: FontWeight.bold,
overflow: TextOverflow.ellipsis),
),
],
),
);
},
),
);
}
}
class PromoAdvertContent {
late String image;
late String text;
late String subText;
late Color color;
PromoAdvertContent(this.image, this.text, this.subText, this.color);
}
List<PromoAdvertContent> promoAdvertContentList = [
PromoAdvertContent("assets/promoAdvert.png", "Special deal for nOctober",
"Buy now", limeColor),
PromoAdvertContent("assets/promoAdvert.png", "Special deal for nOctober",
"check out", orangeInside),
PromoAdvertContent(
"assets/promoAdvert.png", "No way this nOctober", "check out", subText)
];
class PromoAdvert extends StatelessWidget {
const PromoAdvert({
Key? key,
required this.h,
required this.w,
}) : super(key: key);
final double h;
final double w;
@override
Widget build(BuildContext context) {
bool isScrollingToRight = true;
int currentPage = 0;
PageController scrollController = PageController(initialPage: 0);

void _scrollToBottom() {
if (currentPage < promoAdvertContentList.length && isScrollingToRight) {
currentPage++;
} else if (!isScrollingToRight && currentPage == 0) {
currentPage++;
isScrollingToRight = true;
} else {
isScrollingToRight = false;
currentPage--;
}
if (scrollController.hasClients) {
scrollController.animateToPage(
currentPage,
duration: const Duration(milliseconds: 1000),
curve: Curves.easeOut,
);
}
}
WidgetsBinding.instance.addPostFrameCallback(
(_) => Timer.periodic(const Duration(seconds: 15), (_) {
_scrollToBottom();
}));
return SizedBox(
width: w,
height: h * 0.217,
child: CustomRefreshIndicator(
onRefresh: () {
return Future(
() {},
);
},
builder: (
BuildContext context,
Widget child,
IndicatorController controller,
) {
return AnimatedBuilder(
animation: controller,
builder: (BuildContext context, _) {
return Stack(
children: <Widget>[
if (controller.isDragging ||
controller.isArmed ||
controller.isLoading)
Positioned(
left: 0,
top: h * 0.05,
child: SizedBox(
height: 100,
width: 100,
child: Transform.translate(
offset: Offset(-controller.value * 20, 0),
child: Transform.rotate(
angle: 11,
child: Lottie.asset("assets/icecream.json"))),
),
),
// if (controller.isArmed)
//   Positioned(
//     left: 0,
//     top: 25 * controller.value,
//     child: SizedBox(
//       height: 100,
//       width: 100,
//       child: Lottie.asset("assets/icecream.json"),
//     ),
//   ),
Transform.translate(
offset: const Offset(0, 0),
child: child,
)
],
);
},
);
},
child: PageView.builder(
controller: scrollController,
physics: const BouncingScrollPhysics(),
scrollDirection: Axis.horizontal,
itemCount: promoAdvertContentList.length,
itemBuilder: (context, index) {
if (promoAdvertContentList.length == index) {
print('a"sqdqsqs');
CircularProgressIndicator();
}
return Container(
width: h * 0.47,
height: 160,
decoration: BoxDecoration(
color: promoAdvertContentList[index].color,
// border: Border.all(
//   color: Colors.red,
// ),
borderRadius: BorderRadius.circular(15)),
child: Stack(children: [
SizedBox(
height: 160,
width: h * 0.47,
child: Image.asset(
promoAdvertContentList[index].image,
fit: BoxFit.fill,
),
),
Positioned(
top: 30,
right: 5,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
promoAdvertContentList[index].text,
style: TextStyle(
color: whiteBcg,
fontSize: 20,
fontWeight: FontWeight.bold),
),
const SizedBox(
height: 10,
),
NextButton(
h: h,
w: w,
text: promoAdvertContentList[index].subText,
)
],
))
]),
);
},
),
),
);
}
}
class NextButton extends StatelessWidget {
const NextButton({
Key? key,
required this.h,
required this.w,
required this.text,
}) : super(key: key);
final double h;
final double w;
final String text;
@override
Widget build(BuildContext context) {
return Center(
child: SizedBox(
height: 45,
width: 100,
child: Card(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(5),
),
elevation: 5,
child: TextButton(
style: ButtonStyle(
shape: MaterialStateProperty.all<RoundedRectangleBorder>(
RoundedRectangleBorder(
borderRadius: BorderRadius.circular(5),
)),
backgroundColor: MaterialStateProperty.all<Color>(whiteBcg)),
onPressed: () {},
child: Text(
text,
style: TextStyle(color: limeColor, fontSize: 15),
overflow: TextOverflow.ellipsis,
softWrap: false,
)),
),
),
);
}
}

在单独滚动的列表视图中添加物理

physics: NeverScrollableScrollPhysics(),

并移除包装listview 的大小框

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