How to load from nib
extension UIView {
/** Loads instance from nib with the same name. */
func loadNib() -> UIView {
let bundle = Bundle(for: type(of: self))
let nibName = type(of: self).description().components(separatedBy: ".").last!
let nib = UINib(nibName: nibName, bundle: bundle)
return nib.instantiate(withOwner: self, options: nil).first as! UIView
}
}