【发布时间】：2022-11-30 20:58:16
【问题描述】：
当我运行 flutter 程序时，2 个不同的文件中出现了相同的 2 个错误，有人知道如何解决这个问题吗？这是我的代码
列表 restaurant.dart 的代码
import 'package:flutter/material.dart';
import 'package:resto_app/data/model/restaurant_list.dart';
import 'package:resto_app/ui/detail_page.dart';
class CardRestaurant extends StatelessWidget {
final Restaurant restaurant;
const CardRestaurant({Key? key, required this.restaurant}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
home: InkWell(
onTap: () {
Navigator.push(context, MaterialPageRoute(builder: (context) {
return RestaurantDetailPage(idrestaurant: restaurant.id);
}));
},
child: Stack(
children: <Widget>[
Container(
margin:
const EdgeInsets.only(left: 40, top: 5, right: 20, bottom: 5),
height: 170.0,
width: double.infinity,
decoration: BoxDecoration(
color: Colors.lime.shade100,
borderRadius: BorderRadius.circular(20.0),
),
child: Padding(
padding: const EdgeInsets.only(
left: 200, top: 20, right: 20, bottom: 20),
child: Expanded(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
SizedBox(
width: 120.0,
child: Expanded(child: Text(restaurant.name)),
),
_sizebox(10),
Row(
children: [
_icon(Icons.star_rate, 20, Colors.yellow),
Text(
' ${restaurant.rating}',
),
],
)
],
),
),
),
),
Positioned(
left: 20.0,
top: 15.0,
bottom: 15.0,
child: ClipRRect(
borderRadius: BorderRadius.circular(20.0),
child: Hero(
tag: restaurant.pictureId,
child: Image.network(
"https://restaurant-api.dicoding.dev/images/small/" +
restaurant.pictureId,
width: 200,
fit: BoxFit.cover,
),
),
),
),
],
),
),
);
}
}
Widget _sizebox(double height) {
return SizedBox(
height: height,
);
}
Widget _icon(IconData icon, double size, Color color) {
return Icon(
icon,
size: size,
color: color,
);
}
和我的 detailrestaurant.dart 代码
`
`import 'package:flutter/material.dart';
import 'package:resto_app/data/model/restaurants_detail.dart';
import 'package:resto_app/common/constant.dart';
class RestaurantDetail extends StatelessWidget {
static const routeName = '/restaurant_detail';
final Restaurant restaurant;
const RestaurantDetail({Key? key, required this.restaurant})
: super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
body: SingleChildScrollView(
child: Column(
children: <Widget>[
Hero(
tag: restaurant.pictureId,
child: Image.network(
"https://restaurant-api.dicoding.dev/images/medium/" +
restaurant.pictureId,
),
),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Padding(
padding: const EdgeInsets.all(20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(restaurant.name),
_sizebox(10),
Row(
children: [
_icon(Icons.location_city, 20, Colors.grey),
const SizedBox(
width: 10,
),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(restaurant.city),
Text(restaurant.address),
],
)
],
),
],
),
Row(
children: [
_icon(Icons.star_rate, 20, Colors.yellow),
Text(
' ${restaurant.rating}',
),
],
)
],
),
),
_barrierContent(),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
padding:
const EdgeInsets.only(top: 10, right: 20, left: 20),
child: Text('Description'),
),
Container(
padding: const EdgeInsets.only(
top: 10, right: 20, left: 20, bottom: 20),
width: double.infinity,
child: Text(restaurant.description)),
],
),
_barrierContent(),
Padding(
padding: const EdgeInsets.symmetric(
vertical: 10, horizontal: 20),
child: Column(
children: [
Text('Category'),
ListBody(
children: restaurant.categories.map((food) {
return Text(
'- ${food.name}',
);
}).toList(),
),
],
),
),
_barrierContent(),
Padding(
padding: const EdgeInsets.symmetric(
vertical: 10, horizontal: 20),
child: Column(
children: [
Text('Menu Food'),
ListBody(
children: restaurant.menus.foods.map((categori) {
return Text(
'- ${categori.name}',
);
}).toList(),
),
],
),
),
_barrierContent(),
Padding(
padding: const EdgeInsets.symmetric(
vertical: 10, horizontal: 20),
child: Column(
children: [
Text('Menu Drink'),
ListBody(
children: restaurant.menus.drinks.map((drink) {
return Text('- ${drink.name}');
}).toList(),
),
],
),
),
_barrierContent(),
Padding(
padding: const EdgeInsets.symmetric(
vertical: 10, horizontal: 10),
child: Column(
children: [
Text('Comment'),
ListBody(
children: restaurant.customerReviews.map((review) {
return Padding(
padding: const EdgeInsets.all(16.0),
child: Expanded(
child: Row(children: [
Container(
width: 40,
decoration: const BoxDecoration(
shape: BoxShape.circle,
color: Colors.blue),
child: Center(
child: Text(
review.name.characters.elementAt(0),
style: const TextStyle(
color: Colors.white, fontSize: 20),
)),
),
const SizedBox(
width: 15,
),
Expanded(
child: Column(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
Row(
children: [
Text(
review.name,
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold),
),
Text(
' ${review.date}',
style: TextStyle(
fontSize: 14,
color: Colors.grey.shade500),
)
],
),
SizedBox(
width: 270,
child: Text(
review.review,
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
)
],
),
)
]),
),
);
}).toList(),
),
],
),
),
_barrierContent()
],
),
],
),
),
),
);
}
}
Widget _barrierContent() {
return Container(
height: 10,
color: Colors.grey.shade200,
);
}
Widget _sizebox(double height) {
return SizedBox(
height: height,
);
}
Widget _icon(IconData icon, double size, Color color) {
return Icon(
icon,
size: size,
color: color,
);
}
`
``
错误 当我运行我的 flutter 程序时，2 个不同的文件中出现了相同的 2 个错误，有人知道如何解决这个问题吗？
【问题讨论】：
标签： flutter