* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.
* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.
숙제 코딩에서
첫번째 화면을 작성해보는 중이었습니다.
return Scaffold로 시작 하면 안되는 것일까요?(정답 코드를 보니 return SafeArea 로 시작하더라구요)
Scaffold로 해서 appBar까지는 1번 캡처처럼 나오는데
body를 조금 작성하니 2번 캡처처럼 나오네요;;
body 내부 코딩에 오류가 있는 것인지
혹은
Scaffold를 쓰면 안된다면 왜 그런 것인지
궁금합니다
작성한 코드 및 에러 메세지
import 'package:flutter/material.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Shazam',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: HomePage(),
);
}
}
class HomePage extends StatefulWidget {
const HomePage({Key? key}) : super(key: key);
@override
State<HomePage> createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
@override
Widget build(BuildContext context) {
return DefaultTabController(
initialIndex: 1,
length: 3,
child: Builder(builder: (context) {
DefaultTabController.of(context)?.addListener(() {
setState(() {});
});
return Scaffold(
body: Stack(
children: [
TabBarView(
children: [
FirstTab(),
SecondTab(),
ThirdTab(),
],
),
SafeArea(
child: Padding(
padding:
const EdgeInsets.symmetric(vertical: 20, horizontal: 16),
child: Column(
children: [
Container(
alignment: Alignment.topCenter,
child: TabPageSelector(
color: DefaultTabController.of(context)?.index == 1
? Colors.blue[300]
: Colors.grey[400],
selectedColor:
DefaultTabController.of(context)?.index == 1
? Colors.white
: Colors.blue,
indicatorSize: 8,
),
),
],
),
),
),
],
),
);
}),
);
}
}
// 첫번째 페이지
class FirstTab extends StatelessWidget {
const FirstTab({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
const songs = [
{
'imageUrl': 'https://i.ytimg.com/vi/jAO0KXRdz_4/hqdefault.jpg',
'title': '가을밤에 든 생각',
'artist': '잔나비',
},
{
'imageUrl': 'https://i.ytimg.com/vi/jAO0KXRdz_4/hqdefault.jpg',
'title': '가을밤에 든 생각',
'artist': '잔나비',
},
{
'imageUrl': 'https://i.ytimg.com/vi/jAO0KXRdz_4/hqdefault.jpg',
'title': '가을밤에 든 생각',
'artist': '잔나비',
},
{
'imageUrl': 'https://i.ytimg.com/vi/jAO0KXRdz_4/hqdefault.jpg',
'title': '가을밤에 든 생각',
'artist': '잔나비',
},
{
'imageUrl': 'https://i.ytimg.com/vi/jAO0KXRdz_4/hqdefault.jpg',
'title': '가을밤에 든 생각',
'artist': '잔나비',
},
{
'imageUrl': 'https://i.ytimg.com/vi/jAO0KXRdz_4/hqdefault.jpg',
'title': '가을밤에 든 생각',
'artist': '잔나비',
},
];
return Scaffold(
appBar: AppBar(
backgroundColor: Colors.white,
elevation: 0,
leading: Icon(
Icons.settings,
color: Colors.black,
),
centerTitle: true,
title: Text(
"라이브러리",
style: TextStyle(
color: Colors.black,
fontSize: 24,
fontWeight: FontWeight.bold,
),
),
),
body: Expanded(
child: ListView(
children: [
Row(
children: [
Icon(Icons.search),
Text("Shazam"),
],
),
Row(
children: [
Icon(Icons.person),
Text("아티스트"),
],
),
],
),
),
);
}
}
// 두번째 페이지
class SecondTab extends StatelessWidget {
const SecondTab({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return Container(
alignment: Alignment.center,
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
colors: [Colors.blueAccent.shade100, Colors.blueAccent.shade700],
),
),
child: SafeArea(
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0, horizontal: 16.0),
child: Column(
children: [
Row(
children: [
GestureDetector(
onTap: () {},
child: Column(
children: [
Icon(
Icons.person,
color: Colors.white,
),
Text(
"라이브러리",
style: TextStyle(color: Colors.white),
)
],
),
),
Spacer(),
GestureDetector(
onTap: () {},
child: Column(
children: [
Icon(
Icons.show_chart,
color: Colors.white,
),
Text(
"차트",
style: TextStyle(color: Colors.white),
),
],
))
],
),
SizedBox(height: MediaQuery.of(context).size.height * 0.1),
Text(
"Shazam하려면 탭하세요",
style: TextStyle(
color: Colors.white,
fontSize: 24,
fontWeight: FontWeight.bold,
),
),
SizedBox(height: MediaQuery.of(context).size.height * 0.06),
Container(
width: 200,
height: 200,
decoration: BoxDecoration(
color: Colors.blueAccent.shade100,
shape: BoxShape.circle,
),
child: Image.network(
width: 100,
height: 100,
"https://i.ibb.co/hxNbZ8p/shazam.png",
color: Colors.white,
),
),
SizedBox(height: MediaQuery.of(context).size.height * 0.1),
Container(
width: 50,
height: 50,
decoration: BoxDecoration(
color: Colors.blueAccent,
shape: BoxShape.circle,
),
child: Icon(
Icons.search,
color: Colors.white,
size: 30,
),
),
],
),
),
),
);
}
}
// 세번째 페이지
class ThirdTab extends StatelessWidget {
const ThirdTab({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
const chartData = {
'korea': [
{
'imageUrl': 'https://i.ibb.co/xf2HpfG/dynamite.jpg',
'name': 'Dynamite',
'artist': 'BTS',
},
{
'imageUrl': 'https://i.ibb.co/xf2HpfG/dynamite.jpg',
'name': 'Dynamite',
'artist': 'BTS',
},
{
'imageUrl': 'https://i.ibb.co/xf2HpfG/dynamite.jpg',
'name': 'Dynamite',
'artist': 'BTS',
},
],
'global': [
{
'imageUrl': 'https://i.ibb.co/xf2HpfG/dynamite.jpg',
'name': 'Dynamite',
'artist': 'BTS',
},
{
'imageUrl': 'https://i.ibb.co/xf2HpfG/dynamite.jpg',
'name': 'Dynamite',
'artist': 'BTS',
},
{
'imageUrl': 'https://i.ibb.co/xf2HpfG/dynamite.jpg',
'name': 'Dynamite',
'artist': 'BTS',
},
],
'newyork': [
{
'imageUrl': 'https://i.ibb.co/xf2HpfG/dynamite.jpg',
'name': 'Dynamite',
'artist': 'BTS',
},
{
'imageUrl': 'https://i.ibb.co/xf2HpfG/dynamite.jpg',
'name': 'Dynamite',
'artist': 'BTS',
},
{
'imageUrl': 'https://i.ibb.co/xf2HpfG/dynamite.jpg',
'name': 'Dynamite',
'artist': 'BTS',
},
],
};
return Center(child: Text('세번째 페이지'));
}
}
