To run your app on iOS: cd /Users/Sean/dev/github/react-native-sample/HelloWorldApp react-native run-ios
- or - Open ios/HelloWorldApp.xcodeproj in Xcode Hit the Run button To run your app on Android: cd /Users/Sean/dev/github/react-native-sample/HelloWorldApp Have an Android emulator running (quickest way to get started), or a device connected react-native run-android