Load UIViewController from the separate nib file in swift?

Question

I had take one ViewController with separate nib file. and my initial root viewcontroller is set in the storyBoard. Now the problem is that when I push to this controller the Vi

Answer 1

var viewController = OfferDetailViewController(nibName: "OfferDetailViewController", bundle: nil)

Answer 2

solution with type casting:

extension UIViewController {
    static func initFromNib() -> Self {
        func instanceFromNib<T: UIViewController>() -> T {
            return T(nibName: String(describing: self), bundle: nil)
        }
        return instanceFromNib()
    }
}

enjoyment:

let testVC = TestVC.initFromNib()
testVC.someCustomParam = "someValue"

Answer 3

Here is a nice generic approach...

extension UIViewController {
    class func loadFromNib<T: UIViewController>() -> T {
         return T(nibName: String(describing: self), bundle: nil)
    }
}

let vc : OfferDetailViewController = OfferDetailViewController.loadFromNib()