* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.
* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.
1주차 숙제 card 부분 어려워서 정답 참고하며 작성 했는데 type Null 오류가 자꾸 뜹니다ㅠㅠ
import 'package:flutter/material.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
home: HomePage(), // 홈페이지 보여주기
);
}
}
class HomePage extends StatelessWidget {
const HomePage({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
// 음식 사진 데이터
List<Map<String, dynamic>> dataList = [
{
"category": "탑건: 매버릭",
"imgUrl": "https://i.ibb.co/sR32PN3/topgun.jpg",
},
{
"category": "마녀2",
"imgUrl": "https://i.ibb.co/CKMrv91/The-Witch.jpg",
},
{
"category": "범죄도시2",
"imgUrl": "https://i.ibb.co/2czdVdm/The-Outlaws.jpg",
},
{
"category": "헤어질 결심",
"imgUrl": "https://i.ibb.co/gM394CV/Decision-to-Leave.jpg",
},
{
"category": "브로커",
"imgUrl": "https://i.ibb.co/MSy1XNB/broker.jpg",
},
{
"category": "문폴",
"imgUrl": "https://i.ibb.co/4JYHHtc/Moonfall.jpg",
},
];
// 화면에 보이는 영역
return Scaffold(
appBar: AppBar(
elevation: 0.0,
backgroundColor: Colors.white,
centerTitle: false,
actions: [
IconButton(
icon: Icon(Icons.person_outline),
onPressed: () {},
color: Colors.black,
),
],
title: Text(
"Movie Reviews",
style: TextStyle(
fontWeight: FontWeight.bold,
fontSize: 28,
color: Colors.black,
),
),
),
body: Column(
children: [
Padding(
padding: const EdgeInsets.all(8.0),
child: Column(
children: [
TextField(
decoration: InputDecoration(
labelText: "영화 제목을 검색해주세요",
enabledBorder: OutlineInputBorder(
borderSide:
const BorderSide(width: 1, color: Colors.grey),
borderRadius: BorderRadius.circular(5),
),
focusedBorder: OutlineInputBorder(
borderSide:
const BorderSide(width: 1, color: Colors.grey),
borderRadius: BorderRadius.circular(5),
),
suffixIcon: SizedBox(
height: 20,
width: 20,
child: IconButton(
onPressed: () {},
padding: EdgeInsets.all(0.0),
icon: Icon(
Icons.search,
size: 20,
),
),
),
),
),
],
),
),
Divider(
height: 1,
),
Expanded(
child: ListView.builder(
itemCount: dataList.length,
itemBuilder: (context, index) {
String category = dataList[index]['category'];
String imUrl = dataList[index]['imUrl'];
return Card(
child: Stack(
alignment: Alignment.center,
children: [
Image.network(
imUrl,
width: double.infinity,
height: 200,
fit: BoxFit.cover,
),
Container(
width: double.infinity,
height: 200,
color: Colors.black.withOpacity(0.5),
),
Text(
category,
style: TextStyle(
color: Colors.white,
fontSize: 36,
),
)
],
),
);
},
),
),
],
),
);
}
}
