| 1 | # expo-brightness
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| 2 |
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| 3 | Provides an API to get and set screen brightness.
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| 4 |
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| 5 | # API documentation
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| 6 |
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| 7 | - [Documentation for the master branch](https://github.com/expo/expo/blob/master/docs/pages/versions/unversioned/sdk/brightness.md)
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| 8 | - [Documentation for the latest stable release](https://docs.expo.io/versions/latest/sdk/brightness/)
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| 9 |
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| 10 | # Installation in managed Expo projects
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| 11 |
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| 12 | For managed [managed](https://docs.expo.io/versions/latest/introduction/managed-vs-bare/) Expo projects, please follow the installation instructions in the [API documentation for the latest stable release](https://docs.expo.io/versions/latest/sdk/brightness/).
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| 13 |
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| 14 | # Installation in bare React Native projects
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| 15 |
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| 16 | For bare React Native projects, you must ensure that you have [installed and configured the `react-native-unimodules` package](https://github.com/expo/expo/tree/master/packages/react-native-unimodules) before continuing.
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| 17 |
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| 18 | ### Add the package to your npm dependencies
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| 19 |
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| 20 | ```
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| 21 | expo install expo-brightness
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| 22 | ```
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| 23 |
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| 24 | ### Configure for iOS
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| 25 |
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| 26 | Run `npx pod-install` after installing the npm package.
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| 27 |
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| 28 | ### Configure for Android
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| 29 |
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| 30 | Add `android.permission.WRITE_SETTINGS` permission to your manifest (`android/app/src/main/AndroidManifest.xml`):
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| 31 |
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| 32 | ```xml
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| 33 | <uses-permission android:name="android.permission.WRITE_SETTINGS" />
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| 34 | ```
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| 35 |
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| 36 | # Contributing
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| 37 |
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| 38 | Contributions are very welcome! Please refer to guidelines described in the [contributing guide](https://github.com/expo/expo#contributing).
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