var config = YPImagePickerConfiguration()
config.libraryMediaType = .photoAndVideo
config.onlySquareFromLibrary = false
config.onlySquareImagesFromCamera = true
config.targetImageSize = .original
config.usesFrontCamera = true
config.showsFilters = true
config.filters = [YPFilterDescriptor(name: "Normal", filterName: ""),
                  YPFilterDescriptor(name: "Mono", filterName: "CIPhotoEffectMono")]
config.shouldSaveNewPicturesToAlbum = true
config.videoCompression = AVAssetExportPresetHighestQuality
config.albumName = "MyGreatAppName"
config.screens = [.library, .photo, .video]
config.startOnScreen = .library
config.videoRecordingTimeLimit = 10
config.videoFromLibraryTimeLimit = 20
config.showsCrop = .rectangle(ratio: (16/9))
config.wordings.libraryTitle = "Gallery"
config.hidesStatusBar = false
config.overlayView = myOverlayView
config.maxNumberOfItems = 5

// Build a picker with your configuration
let picker = YPImagePicker(configuration: config)

// Set the default configuration for all pickers
YPImagePickerConfiguration.shared = config

// And then use the default configuration like so:
let picker = YPImagePicker()

let picker = YPImagePicker()
picker.didFinishPicking { [unowned picker] items, _ in
    if let photo = items.singlePhoto {
        print(photo.fromCamera) // Image source (camera or library)
        print(photo.image) // Final image selected by the user
        print(photo.originalImage) // original image selected by the user, unfiltered
        print(photo.modifiedImage) // Transformed image, can be nil
        print(photo.exifMeta) // Print exif meta data of original image.
    }
    picker.dismiss(animated: true, completion: nil)
}
present(picker, animated: true, completion: nil)

// Here we configure the picker to only show videos, no photos.
var config = YPImagePickerConfiguration()
config.screens = [.library, .video]
config.libraryMediaType = .video

let picker = YPImagePicker(configuration: config)
picker.didFinishPicking { [unowned picker] items, _ in
    if let video = items.singleVideo {
        print(video.fromCamera)
        print(video.thumbnail)
        print(video.url)
    }
    picker.dismiss(animated: true, completion: nil)
}
present(picker, animated: true, completion: nil)

var config = YPImagePickerConfiguration()
config.maxNumberOfItems = 3
let picker = YPImagePicker(configuration: config)

picker.didFinishPicking { [unowned picker] items, cancelled in
    for item in items {
        switch item {
        case .photo(let photo):
            print(photo)
        case .video(let video):
            print(video)
        }
    }
    picker.dismiss(animated: true, completion: nil)
}

picker.didFinishPicking { [unowned picker] items, cancelled in
    if cancelled {
        print("Picker was canceled")
    }
    picker.dismiss(animated: true, completion: nil)
}

config.wordings.libraryTitle = "Gallery"
config.wordings.cameraTitle = "Camera"
config.wordings.next = "OK"