$ npm install react-native-apple-signin-package --save
$ react-native link react-native-apple-signin-package
import { SignInWithAppleBlackButton,
SignInWithAppleOutlineButton,
SignInWithAppleWhiteButton
} from 'react-native-apple-signin-package'
// Support three different styles with white, black, and white with outline.
<View style= {{marginBottom:20}}>
{SignInWithAppleBlackButton({ height: 45, width: 218 },
{ 'cornerRadius':22.5 },
appleSignIn)}
</View>
...
appleSignIn = async (result) => {
// You can check the return result and use what you want to do with your system.
console.log('Result',result);
};