[Swift] UIDatePickerの色を動的に変える

[Swift] UIDatePickerの色を変える

@IBOutlet weak var myPicker: UIDatePicker!

override func viewDidLoad() {
    super.viewDidLoad()

    myPicker.backgroundColor = UIColor.white
    myPicker.setValue(UIColor.white, forKey: "textColor")

    for subview in myPicker.subviews.first!.subviews {
        if subview.frame.height < myPicker.frame.height {
            subview.layer.borderColor = UIColor.white.cgColor
            subview.layer.borderWidth = subview.frame.height
        }
    }
}