gistfile1.txt

import UIKit

@IBDesignable
public class MyCustomView: UIView {
    
    override public init(frame: CGRect) {
        super.init(frame: frame)
        applyStyle()
    }
    
    required public init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        applyStyle()
    }
    
    override public func prepareForInterfaceBuilder() {
        applyStyle()
    }
    
    func applyStyle() {
        self.backgroundColor = .blueColor()
    }
}