A new camera roll photo detector
npm install francisco-sanchez-molina/react-native-detect-new-photo --save
react-native link react-native-detect-new-photo
import ReactNativeDetectNewPhoto from 'react-native-detect-new-photo'
....
ReactNativeDetectNewPhoto.init()
ReactNativeDetectNewPhoto.registerCallback(_ => console.log('new photo detected!'))
0.1.0 support react-native 0.40