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react-native/docs/RunningOnSimulatorIOS.md
Hector Ramos c503dae446 Merge Android UI Performance into Performance doc, reorder sidebar 
Summary:
Doing some cleanup in preparation for CRNA.
Recommend `FlatList` and React Navigation for perf.
Tag docs that may only apply to apps ejected from CRNA. Currently has no effect.
Closes https://github.com/facebook/react-native/pull/12692

Differential Revision: D4654077

Pulled By: hramos

fbshipit-source-id: 1245d80d66e37d9dca9e9daf23e8b93c65cd1bf7
2017-03-06 10:10:04 -08:00

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running-on-simulator-ios Running On Simulator docs Guides (iOS) docs/running-on-simulator-ios.html ejected communication-ios linking-libraries-ios

Starting the simulator

Once you have your React Native project initialized, you can run react-native run-ios inside the newly created project directory. If everything is set up correctly, you should see your new app running in the iOS Simulator shortly.

Specifying a device

You can specify the device the simulator should run with the --simulator flag, followed by the device name as a string. The default is "iPhone 6". If you wish to run your app on an iPhone 4s, just run react-native run-ios --simulator="iPhone 4s".

The device names correspond to the list of devices available in Xcode. You can check your available devices by running xcrun simctl list devices from the console.