ShowLivePhotos.swift

import UIKit
import Photos
import PhotosUI
import MobileCoreServices

class LivePhotosViewController: UIViewController,
PHLivePhotoViewDelegate,
UIImagePickerControllerDelegate, UINavigationControllerDelegate {

    @IBOutlet weak var livePhotosView: PHLivePhotoView!
    
    let imagePicker = UIImagePickerController()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        livePhotosView.contentMode = .ScaleAspectFill
        livePhotosView.delegate = self
    }

    @IBAction func showButtonTapped(sender: UIBarButtonItem) {
        showImagePicker()
    }
    
    func showImagePicker() {
        imagePicker.delegate = self
        imagePicker.sourceType = .PhotoLibrary
        imagePicker.mediaTypes = [kUTTypeImage as String, kUTTypeLivePhoto as String]
        
        presentViewController(imagePicker, animated: true, completion: nil)
    }
    
    func imagePickerController(picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : AnyObject]) {
        dismissViewControllerAnimated(true, completion: nil)
        
        if let livePhoto = info[UIImagePickerControllerLivePhoto] as? PHLivePhoto {
            livePhotosView.livePhoto = livePhoto
            livePhotosView.startPlaybackWithStyle(.Full)
        }
    }
}