Xcode Use UIRefreshControl in any UIScrollView(UICollectionView, WebView) Apple documentation shows us how we can use an UIRefreshControl in an UITableViewController, but do you know, we can add it to any UIScrollView ? let refreshControl = UIRefreshControl() refreshControl.addTarget(self, action: #selector(handleRefresh), for: .valueChanged) scrollView.addSubview(refreshControl) In a similar way, we can add UIRefreshControl to a WKWebView. let...