Pull to refresh not working in iOS WebView

Question

I've implemented a straight forward WKWebView in iOS.

   var refreshControl = UIRefreshControl()
    refreshControl.addTarget(self, action: Selector("refreshWebView"), forControlEvents: UIControlEvents.ValueChanged)

This is in viewDidLoad()

And the corresponding refreshWebView function. But when I run it on mobile or simulator, no matter how much I drag, there is no pull to refresh action. Nothing is triggered, and it almost feels like I am stuck to the upper bounds of the screen. Where can be going wrong?

Answer 1

Try to change your code like this, If you want to pull to refresh the webView you need to addSubView UIRefreshControl object in the ScrollView of webView like this

let refreshControl = UIRefreshControl()
refreshControl.addTarget(self, action: #selector(self.refreshWebView(_:)), forControlEvents: UIControlEvents.ValueChanged)
webView.scrollView.addSubview(refreshControl)

Add func like this

func refreshWebView(sender: UIRefreshControl) {
    print("refersh")
    webView.loadRequest(NSURLRequest(URL: NSURL(string: "https://google.com")!))
    sender.endRefreshing()
}

Hope this will help you.

Answer 2

SWIFT 4 Solution (Based on Nirav D answer)

You can simply call this setup method in your viewDidLoad:

private func setupRefreshControl() {
    let refreshControl = UIRefreshControl()
    refreshControl.addTarget(self, action: #selector(refreshWebView(sender:)), for: UIControlEvents.valueChanged)
    webView.scrollView.addSubview(refreshControl)
}

@objc
private func refreshWebView(sender: UIRefreshControl) {
    print("refreshing...")
    webView.load(URLRequest(url: url))
    sender.endRefreshing()
}