
* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.
* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.
4주차 왓차피디아 숙제 겸 코드를 수정하다가 다시 run without debugging 실행했는데 에러가 뜨네요.
DEBUG CONSOLE 에러문구
Launching lib\main.dart on sdk gphone64 x86 64 in debug mode...
main.dart:1
2
Invalid depfile: C:\Users\User\Desktop\flutter\watcha_pedia\.dart_tool\flutter_build\d42707011505738c9cdc86bb22812725\kernel_snapshot.d
Unhandled exception:
FileSystemException(uri=org-dartlang-untranslatable-uri:dart%3Ajs_util; message=StandardFileSystem only supports file:* and data:* URIs)
#0 StandardFileSystem.entityForUri (package:front_end/src/api_prototype/standard_file_system.dart:34:7)
#1 asFileUri (package:vm/kernel_front_end.dart:721:37)
#2 writeDepfile (package:vm/kernel_front_end.dart:861:21)
<asynchronous suspension>
#3 FrontendCompiler.compile (package:frontend_server/frontend_server.dart:660:9)
<asynchronous suspension>
#4 starter (package:frontend_server/starter.dart:99:12)
<asynchronous suspension>
#5 main (file:///C:/b/s/w/ir/x/w/sdk/pkg/frontend_server/bin/frontend_server_starter.dart:13:14)
<asynchronous suspension>
2
* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 6s
Exception: Gradle task assembleDebug failed with exit code 1
Exited (sigterm)
build.gradle
def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
localPropertiesFile.withReader('UTF-8') { reader ->
localProperties.load(reader)
}
}
def flutterRoot = localProperties.getProperty('flutter.sdk')
if (flutterRoot == null) {
throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
}
def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
if (flutterVersionCode == null) {
flutterVersionCode = '1'
}
def flutterVersionName = localProperties.getProperty('flutter.versionName')
if (flutterVersionName == null) {
flutterVersionName = '1.0'
}
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
android {
namespace "com.example.watcha_pedia"
compileSdkVersion flutter.compileSdkVersion
ndkVersion flutter.ndkVersion
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
kotlinOptions {
jvmTarget = '1.8'
}
sourceSets {
main.java.srcDirs += 'src/main/kotlin'
}
defaultConfig {
// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
applicationId "com.example.watcha_pedia"
// You can update the following values to match your application needs.
// For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
minSdkVersion 19
targetSdkVersion flutter.targetSdkVersion
versionCode flutterVersionCode.toInteger()
versionName flutterVersionName
}
buildTypes {
release {
// TODO: Add your own signing config for the release build.
// Signing with the debug keys for now, so `flutter run --release` works.
signingConfig signingConfigs.debug
}
}
}
flutter {
source '../..'
}
dependencies {
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
}
build.gradle의 경우 아래와 같은 에러가 있습니다.
11번째 줄 throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
에서 GradleException G부분이 에러가 뜹니다.
unable to resolve class GradleException
@ line 11, column 15.Gradle
main.dart
import 'dart:js_util';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:webview_flutter/webview_flutter.dart';
import 'book.dart';
import 'book_service.dart';
void main() {
runApp(
MultiProvider(
providers: [
ChangeNotifierProvider(create: (context) => BookService()),
],
child: const MyApp(),
),
);
}
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
home: HomePage(),
);
}
}
class HomePage extends StatefulWidget {
HomePage({Key? key}) : super(key: key);
@override
State<HomePage> createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
var bottomNavIndex = 0;
@override
Widget build(BuildContext context) {
return Scaffold(
body: [
SearchPage(),
LikedBookPage(),
].elementAt(bottomNavIndex),
bottomNavigationBar: BottomNavigationBar(
selectedItemColor: Colors.black,
unselectedItemColor: Colors.grey,
showUnselectedLabels: true,
selectedFontSize: 12,
unselectedFontSize: 12,
iconSize: 28,
type: BottomNavigationBarType.fixed,
onTap: (value) {
setState(() {
bottomNavIndex = value;
});
},
items: [
BottomNavigationBarItem(
icon: Icon(Icons.search),
label: '검색',
),
BottomNavigationBarItem(
icon: Icon(Icons.star),
label: '좋아요',
),
],
currentIndex: bottomNavIndex,
),
);
}
}
class SearchPage extends StatelessWidget {
SearchPage({super.key});
@override
Widget build(BuildContext context) {
return Consumer<BookService>(
builder: (context, bookService, child) {
return Scaffold(
appBar: AppBar(
backgroundColor: Colors.white,
toolbarHeight: 80,
title: TextField(
onSubmitted: (value) {
bookService.search(value);
},
cursorColor: Colors.grey,
decoration: InputDecoration(
prefixIcon: Icon(Icons.search, color: Colors.grey),
hintText: "작품, 감독, 배우, 컬렉션, 유저 등",
border: OutlineInputBorder(
borderSide: BorderSide(color: Colors.white),
borderRadius: BorderRadius.all(Radius.circular(10)),
),
focusedBorder: OutlineInputBorder(
borderSide: BorderSide(color: Colors.grey),
borderRadius: BorderRadius.all(Radius.circular(10)),
),
),
),
),
body: Padding(
padding: const EdgeInsets.symmetric(horizontal: 12),
child: ListView.separated(
itemCount: bookService.bookList.length,
separatorBuilder: (context, index) => Divider(),
itemBuilder: (context, index) {
if (bookService.bookList.isEmpty) return SizedBox();
Book book = bookService.bookList.elementAt(index);
return BookTile(book: book);
},
),
),
);
},
);
}
}
class BookTile extends StatelessWidget {
const BookTile({
Key? key,
required this.book,
}) : super(key: key);
final Book book;
@override
Widget build(BuildContext context) {
BookService bookService = context.read<BookService>();
return ListTile(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => WebViewPage(
url: book.previewLink.replaceFirst("http", "https"),
),
),
);
},
leading: Image.network(
book.thumbnail,
fit: BoxFit.fitHeight,
),
title: Text(
book.title,
style: TextStyle(fontSize: 16),
),
subtitle: Text(
book.subtitle,
style: TextStyle(color: Colors.grey),
),
trailing: IconButton(
onPressed: () {
bookService.toggleLikeBook(book: book);
},
icon: bookService.likedBookList.map((book) => book.id).contains(book.id)
? Icon(
Icons.star,
color: Colors.amber,
)
: Icon(Icons.star_border),
),
);
}
}
class LikedBookPage extends StatelessWidget {
const LikedBookPage({super.key});
@override
Widget build(BuildContext context) {
return Consumer<BookService>(
builder: (context, bookService, child) {
return Scaffold(
body: Padding(
padding: const EdgeInsets.symmetric(horizontal: 12),
child: ListView.separated(
itemCount: bookService.likedBookList.length,
separatorBuilder: (context, index) => Divider(),
itemBuilder: (context, index) {
if (bookService.likedBookList.isEmpty) return SizedBox();
Book book = bookService.likedBookList.elementAt(index);
return BookTile(book: book);
},
),
),
);
},
);
}
}
class WebViewPage extends StatelessWidget {
WebViewPage({super.key, required this.url});
String url;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
backgroundColor: Colors.grey,
title: Text(url),
),
body: WebView(initialUrl: url),
);
}
}
book.dart
class Book {
String id;
String title;
String subtitle;
String thumbnail; // 썸네일 이미지 링크
String previewLink; // ListTile 을 눌렀을 때 이동하는 링크
Book({
required this.id,
required this.title,
required this.subtitle,
required this.thumbnail,
required this.previewLink,
});
}
book_service.dart
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'book.dart';
class BookService extends ChangeNotifier {
List<Book> bookList = []; // 책 목록
List<Book> likedBookList = [];
void toggleLikeBook({required Book book}) {
String bookId = book.id;
if (likedBookList.map((book) => book.id).contains(bookId)) {
likedBookList.removeWhere((book) => book.id == bookId);
} else {
likedBookList.add(book);
}
notifyListeners();
}
void search(String q) async {
bookList.clear(); // 검색 버튼 누를때 이전 데이터들을 지워주기
if (q.isNotEmpty) {
Response res = await Dio().get(
"https://www.googleapis.com/books/v1/volumes?q=$q&startIndex=0&maxResults=40",
);
List items = res.data["items"];
for (Map<String, dynamic> item in items) {
Book book = Book(
id: item['id'],
title: item['volumeInfo']['title'] ?? "",
subtitle: item['volumeInfo']['subtitle'] ?? "",
thumbnail: item['volumeInfo']['imageLinks']?['thumbnail'] ??
"https://thumbs.dreamstime.com/b/no-image-available-icon-flat-vector-no-image-available-icon-flat-vector-illustration-132482953.jpg",
previewLink: item['volumeInfo']['previewLink'] ?? "",
);
bookList.add(book);
}
}
notifyListeners();
}
}
