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요건 또 모냐 간단한 데이터 저장용으로 SharedPreferences 를 쓰는데 또 더 좋은게 나왔나 보다 (한참전에 -_-) 야금야금 새로운걸 적용해 나가보자 https://developer.android.com/topic/libraries/architecture/datastore?hl=ko#kotlin Datastore | Android 개발자 | Android Developers Datastore Android Jetpack의 구성요소. Jetpack Datastore는 프로토콜 버퍼를 사용하여 키-값 쌍 또는 유형이 지정된 객체를 저장할 수 있는 데이터 저장소 솔루션입니다. Datastore는 Kotlin 코루틴 및 Flow를 developer.android.com https://develope..

WEI, ETHER https://gwei.io/kr/ Gwei | 이더리움 기본 단위 1,000,000,000,000,000,000 WEI 50 PWEI or FINNEY 20 GWEI or SHANNON gwei.io java library https://github.com/web3j/web3j/blob/master/utils/src/main/java/org/web3j/utils/Convert.java https://github.com/web3j/web3j GitHub - web3j/web3j: Lightweight Java and Android library for integration with Ethereum clients Lightweight Java and Android library for ..

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