npm install react-native-camera@https://github.com/lwansbrough/react-native-camera.git --save
react-native link react-native-camera
https://facebook.github.io/react-native/docs/linking-libraries-ios.html
{
first: ..., // (required) The number of photos wanted in reverse order of the photo application
after: ..., // A cursor returned from a previous call to 'getPhotos'
groupTypes: ..., // Specifies which group types to filter the results to
// One of ['Album', 'All', 'Event', 'Faces', 'Library', 'PhotoStream', 'SavedPhotos'(default)]
groupName: ..., // Specifies filter on group names, like 'Recent Photos' or custom album titles
assetType: ... // Specifies filter on assetType
// One of ['All', 'Videos', 'Photos'(default)]
}