TypeScript – How to add TS to existing React Native app?
Installation Install packages Create “tsconfig.json” file Create jest.config.js file Fix error when changing “.js” to “.tsx” Could not find a declaration file for module ‘react-redux’ […]
Mobile App
React Native – How to use device sensor?
What’s device coordinate frame? react-native-sensors Detect device shake But build is error in iOS !! expo-sensors Installation Install “react-native-unimodules” installing-unimodules Install “expo-sensors” existing-appsyarn add expo-sensorsnpx […]
Xamarin – How to configure iOS App Id for AppStore deployment?
Config App Store Create new App Id Create new App from App Store connect Create new Provisioning Profile for AppStore and Development Configure Xamarin project […]
Mobile app – How to setup push notification with Firebase (1)?
Create Firebase project Download “google-services.json” file for Android Download “GoogleService-Info.plist” for iOS Config iOS push notification Create Apple Push Notifications service (APNs) key Save & […]
iOS – How to create app scanning BLE with “CoreBluetooth” framework?
How to scan & connect & read peripherals? Use protocol “CBCentralManagerDelegate“, “CBPeripheralDelegate“ How to scan BLE? How to connect a peripheral? How to read characteristics? […]
iOS – How to debug native iOS app (1)?
How to use short keys in Xcode? How to jump forward/ backward? Cmd + Ctrl + ← How to show/ hide project navigator? Cmd + […]
React Native – How to integrate React Native into existing iOS app (1)?
Reference Create new folder structure package.json .gitignore Install “react-native” dependency Install CocoaPods Edit pod file Create separate new React Native project Copy and paste content […]
Xamarin – How to setup?
How to update existing project to AndroidX? Update Android compile version to Android 10.0 Open your Android Manifest file and select Target Android version to […]
iOS – APIs update
AppStore submit April 2020, Apple requires all app store submissions to be built with Xcode 11 and target the iOS 13 SDK UIWebView has to […]
iOS – How to develop app with background modes (1)?
What does Apple documentation talk about background modes? Apple DocumentationIn background mode, app should do as little as possible, and preferably nothing Which use cases […]