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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