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디버깅하다가 waiting for debugger 뜨고 반응없는경우 adb shell am clear-debug-app 계속 까묵어서.. 적어둠..

dependencies implementation "androidx.fragment:fragment-ktx:$rootProject.fragmentVersion" implementation "androidx.lifecycle:lifecycle-livedata-ktx:$rootProject.lifecycleVersion" implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$rootProject.lifecycleVersion" ViewModel을 생성하는 법 1. 파라미터가 없는 ViewModel class MyViewModel : ViewModel() { } val model: MyViewModel by viewModels() val model: MyV..

https://dev-yakuza.posstree.com/ko/react-native/fastlane/ Fastlane을 통한 앱 자동 배포 Fastlane을 사용해서 React native로 만든 앱을 자동으로 배포해 보자 dev-yakuza.posstree.com https://docs.fastlane.tools/getting-started/android/setup/ Setup - fastlane docs Getting started with fastlane for Android Installing fastlane fastlane can be installed multiple ways. The preferred method is with Bundler. fastlane can also be insta..

Get your debug signing certificate hash In the root of your Flutter app project, change directory to the android/ folder and generate a signing report: cd android ./gradlew :app:signingReport Note: In case the gradle wrapper file is not present, you can generate it by building your application for Android once by running flutter build appbundle. You'll be presented with a large list of signing k..

아래 개발페이지에 있는것을 쉽게 설명 https://flutter.dev/docs/development/accessibility-and-localization/internationalization 1.pubspec.xml 파일 dependencies 및 설정 추가 dependencies: flutter: sdk: flutter flutter_localizations: # 추가 sdk: flutter # 추가 intl: ^0.16.1 # 추가 flutter: generate: true # 추가 2. 소스 추가 (나중엔 import문과 localizationsDelegates, supportedLocales 부분을 수정할 것이다) import 'package:flutter_localizations/flutt..

flutter : flutter.dev/ 주요 명령어 flutter doctor flutter pub get flutter pub upgrade dart : dart.dev/ package : pub.dev/ Dart packages Pub is the package manager for the Dart programming language, containing reusable libraries & packages for Flutter, AngularDart, and general Dart programs. pub.dev

매번 까먹어서 정리 로컬에서 프로젝트 생성후 github 같은 온라인 저장소로 올리기 로컬에서 생성한 프로젝트에서 git init git add . git remote add origin https://~~~.git git commit -m "Initial commit" git push -u origin master github에서 프로젝트 생성후 주소복사

자바코드를 kotlin 으로 변환시키다 보면 @JvmField annotation 이 붙는게 있고 안붙는게 있고 그러하다 고럼 @JvmField 이건 머하는 놈인가. 알아보자 api 정의를 기본적으로 보믄.. https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.jvm/-jvm-field/index.html @Target([AnnotationTarget.FIELD]) annotation class JvmField Instructs the Kotlin compiler not to generate getters/setters for this property and expose it as a field. 저거 쓰면 코틀린 컴파일러가 getter / setter 를 안만들..

import kotlinx.android.synthetic.main.layout_a.txt_title as titleA import kotlinx.android.synthetic.main.layout_b.txt_title as titleB

SAM-Conversion이란? This is possible when the required type is an interface or abstract class with a Single (exactly one) Abstract Methods. Such a class is sometypes called a SAM-type, and the conversion from a lambda expression to an anonymous class is sometimes called SAM-conversion. http://www.gnu.org/software/kawa/Anonymous-classes.html Kawa: Anonymous classes Syntax: object (supers ...) field..