swift-photos-metadata

swift-photos-metadata

import UIKit
import Photos
import AssetsLibrary

class ViewController: UIViewController {
    private var images : PHFetchResult!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Retrieve model from all photos
        images = PHAsset.fetchAssetsWithMediaType(.Image, options: nil)
        
        // Amount of pictures on the device
        print("Amount of pictures on device: " + images.count.description)
        
        // Is the last picture a favoirte?
        (images[images.count-1] as! PHAsset).favorite ? print("The last picture is not a favorite!") : print("The last picture is a favorite!")
        
        // Retrieve metadata from the last picture on the device
        let asset = images[images.count-1] as! PHAsset
        asset.requestContentEditingInputWithOptions(nil) { (contentEditingInput: PHContentEditingInput?, _) -> Void in
            //Get full image
            let url = contentEditingInput!.fullSizeImageURL
            let orientation = contentEditingInput!.fullSizeImageOrientation
            var inputImage = CIImage(contentsOfURL: url!)
            inputImage = inputImage!.imageByApplyingOrientation(orientation)
            
            for (key, value) in inputImage!.properties {
                print("key: \(key)")
                print("value: \(value)")
            }
        }
    }