Michelle's 앱개발

# AppBar 속성바꾸기 appBar: AppBar( title: Text('AppBar'), backgroundColor: Colors.white, // appbar color. foregroundColor: Colors.black, // appbar text color. ), # 테마 이용하기 ThemeData( primaryColor: Colors.white, appBarTheme: const AppBarTheme( iconTheme: IconThemeData(color: Colors.blue), backgroundColor: Colors.white, foregroundColor: Colors.black, ), ),

return MaterialApp( debugShowCheckedModeBanner: false, theme: ThemeData( primarySwatch: Colors.blue, ), home: const RecipePage(), ); debugShowCheckedModeBanner: false 해주자!!

https://api.flutter.dev/flutter/widgets/ClipRRect-class.html ClipRRect class - widgets library - Dart API A widget that clips its child using a rounded rectangle. By default, ClipRRect uses its own bounds as the base rectangle for the clip, but the size and location of the clip can be customized using a custom clipper. See also: CustomClipper, for information api.flutter.dev R은 Round 입니다. 위젯에 sh..

https://api.flutter.dev/flutter/widgets/AspectRatio-class.html AspectRatio class - widgets library - Dart API A widget that attempts to size the child to a specific aspect ratio. The widget first tries the largest width permitted by the layout constraints. The height of the widget is determined by applying the given aspect ratio to the width, expressed as a ratio api.flutter.dev AspectRatio 비율 2..

MaterialApp 에 theme 속성으로 폰트를 지정해준다. fontFamily는 pubspec.yaml 파일에 정의되어 있고 폰트도 저장되어 있어야 한다. * pubspec.yaml fonts: - family: PatuaOne fonts: - asset: assets/fonts/PatuaOne-Regular.ttf​ return MaterialApp( debugShowCheckedModeBanner: false, theme: ThemeData(fontFamily: "PatuaOne"), home: HomePage(), );

* 에러메시지는 다음과 같았다. Execution failed for task ':app:processDebugResources'. > A failure occurred while executing com.android.build.gradle.internal.tasks.Workers$ActionFacade > Android resource linking failed /Users/hyejunghwang/home_checklist/build/app/intermediates/packaged_manifests/debug/AndroidManifest.xml:17: AAPT: error: resource mipmap/ic_launcher (aka com.igottabook.checklist:mipmap/ic_lau..

너무나 다양한 에러를 만나는 요즘.. 에러들을 기록해야 겠다는 생각이 들었다. 여기에 나의 흑역사를 기록하도록 하겠다. 나의 경우 provider 를 쓰고, ChangeNotifier 를 이용해 값이 변경 되었을 대 상태 체크를 하고자 했다. // 카테고리별로 데이터 가져오기 Future getCategory(String category) async { _isLoading = true; notifyListeners(); // 삭제하니 에러 해결 _checklist = await repository.getCategory(category); _isDone = true; _isLoading = false; notifyListeners(); return true; } 카테고리별 데이터를 가져오는 부분에서 not..

import 'package:flutter/material.dart'; void main() => runApp(WidgetDemo()); class WidgetDemo extends StatefulWidget { @override _WidgetDemoState createState() => _WidgetDemoState(); } class _WidgetDemoState extends State { @override Widget build(BuildContext context) { return MaterialApp( home: ShowTimePicker(), ); } } class ShowTimePicker extends StatefulWidget { const ShowTimePicker({Key key}..

import 'package:flutter/material.dart'; void main() => runApp(WidgetDemo()); class WidgetDemo extends StatefulWidget { @override _WidgetDemoState createState() => _WidgetDemoState(); } class _WidgetDemoState extends State { @override Widget build(BuildContext context) { return MaterialApp( home: ShowDatePicker(), ); } } class ShowDatePicker extends StatefulWidget { const ShowDatePicker({Key key}..

import 'package:flutter/material.dart'; enum RGB { red, green, blue } void main() => runApp(WidgetDemo()); class WidgetDemo extends StatefulWidget { @override _WidgetDemoState createState() => _WidgetDemoState(); } class _WidgetDemoState extends State { RGB _selection = RGB.red; @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar( title: Text('Poopup..