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Add a section about Platform.Version on iOS #14437

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Add a section about Platform.Version on iOS
zubko Jun 10, 2017
7c48f70
Create PlatformSpecificInformation.md
hramos Jun 14, 2017
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13 changes: 13 additions & 0 deletions docs/PlatformSpecificInformation.md
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Expand Up @@ -77,6 +77,19 @@ if (Platform.Version === 25) {
}
```

### Detecting the iOS version

On iOS, the `Version` is a result of `-[UIDevice systemVersion]`, which is a string with the current version of the operating system. An example of the system version is "10.3". For example, to detect the major version number on iOS:

```javascript
import { Platform } from 'react-native';

const majorVersionIOS = parseInt(Platform.Version, 10);
if (majorVersionIOS <= 9) {
console.log('Work around a change in behavior');
}
```

## Platform-specific extensions

When your platform-specific code is more complex, you should consider splitting the code out into separate files. React Native will detect when a file has a `.ios.` or `.android.` extension and load the relevant platform file when required from other components.
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