react-native-ba-picker/BAPicker.js

import {
    Platform
} from 'react-native';

import BAPickerIOS from './BAPickerIOS';
import BAPickerAndroid from './BAPickerAndroid';


let BAPicker;

if(Platform.OS == 'ios') {
    BAPicker = BAPickerIOS;
} else {
    BAPicker = BAPickerAndroid;
}

export default BAPicker;