How to pass data from child to parent view controller? in swift
I usually use closures for this purpose. Much simpler and less verbose than delegates: class MainViewController: UIViewController { func showChildViewController() { guard let vc = storyboard?.instantiateViewControllerWithIdentifier(“ChildViewController”) as? ChildViewController else { return } vc.didSelectItem = { [weak self](item) in if let vc = self { // Do something with the item. } } presentViewController(vc, animated: true, … Read more