Window pop animation

WindowPopAnimation.swift

DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
    let window = UIApplication.shared.windows[0]
    UIView.animate(withDuration: 0.25, animations: {
        window.transform = CGAffineTransform(scaleX: 1.1, y: 1.1)
    }, completion: { (completed) in
        UIView.animate(withDuration: 0.25, animations: {
            window.transform = CGAffineTransform(scaleX: 1.0, y: 1.0)
        }, completion: { (completed) in
        })
    })
}