$ brew install watchman
brew tap AdoptOpenJDK/openjdk
brew cask install adoptopenjdk8
$ java -version
$ javac -version
- Android SDK Platform 28
- Intel x86 Atom System Image
- Google APIs Intel x86 Atom System Image
- Google APIs Intel x86 Atom_64 System Image
export ANDROID_HOME=~/Library/Android/sdk
export PATH=$PATH:$ANDROID_HOME/emulator
export PATH=$PATH:$ANDROID_HOME/tools
export PATH=$PATH:$ANDROID_HOME/tools/bin
export PATH=$PATH:$ANDROID_HOME/platform-tools
$ emulator -list-avds # list emulator
$ emulator @Nexus_6_API_28 # start emulator
$ react-native run-android
There is no configuration except installing Xcode
$ react-native run-ios