UIImageView.transitionWithView¶

label.text = "😃"

// ...
UIView.transitionWithView(label, 
    duration: 0.5,
    options: .TransformationFlipFromLeft,
    animations: {
        label.text = "😨"
    },
    completion: nil
)

imageView.image = UIImage(named:"empty")

// ...
UIView.transitionWithView(imageView, 
    duration: 0.5,
    options: .TransformationCrossDisolve,
    animations: {
        imageView.image = UIImage(named:"full")
    },
    completion: nil
)