Expo - React Native application
npm i -g expo-cli
Running on Simulator/Emulator
Download and install Android Studio
brew install android-studio
brew install android-platform-tools
Create a 'non-Google Play' Android Virtual Devices (AVD) from the configure dropdown of the Android Studio Welcome screen called AVD Manager.
Run the newly created AVD from the Manager window.
(MUST BE RUNNING IN ORDER FOR EXPO TO COMMUNICATE WITH IT)
Download and install Xcode
Create an iOS simulator in Xcode (usually not necessary as Xcode will auto-create iPhone Xs and Xr sims).
From the expo terminal type
a to trigger running the app on the
Android emulator or type
i to run the app on the