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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
21 lines
924 B
Markdown
21 lines
924 B
Markdown
---
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id: running-on-simulator-ios
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title: Running On Simulator
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layout: docs
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category: Guides (iOS)
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permalink: docs/running-on-simulator-ios.html
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banner: ejected
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next: communication-ios
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previous: linking-libraries-ios
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---
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## Starting the simulator
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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.
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## Specifying a device
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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"`.
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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.
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