An easy way to instantiate UIViewController/UIView from Storyboard/Xib with Generic in Swift

2019-02-04-generic-loading-ios

As iOS developers, we already know the basic load/instantiate an UIViewController from Storyboard is

let storyboard = UIStoryboard(name: "Main", bundle: nil)
let loginViewController = storyboard.instantiateViewController(withIdentifier: "Login") as? LoginViewController

or UIView from Xib

let view = Bundle.main.loadNibNamed("WelcomeView", owner: nil, options: nil)?.first

In this post, I just want to suggest a generic way:

This requires the Storyboard ID of UIViewController in Storyboard is same as it’s name, or the Xib’s name have the same name as UIView.

Using: