WKWebVIew Fatal error: Unexpectedly found nil while implicitly unwrapping an Optional value

Question

Created Feb ’22

Replies 3

Boosts 0

Views 1.7k

Participants 3

I know this question is asked many times over here but I have tried all the solutions but none of them helped me out. I am getting error in this line

myWebView.load(URLRequest(url: url))

I am using navigation controller and segue performs programatically when the user defaults are available from below


class ViewController: UIViewController {

let defaults = UserDefaults.standard
var username = ""
var password = ""

override func viewDidLoad() {
    super.viewDidLoad()
    
    if(defaults.bool(forKey: "isLoggedin") == true){
        username = defaults.string(forKey: "username") ?? ""
        password = defaults.string(forKey: "password") ?? ""
    
        if(username != "" && password != ""){
            self.navigationController?.pushViewController(WebViewViewController(), animated: true)
        }
    }
}

}

Following is my webview uiViewController

import WebKit

class WebViewViewController: UIViewController {
@IBOutlet weak var myWebView: WKWebView!

let defaults = UserDefaults.standard
var username = ""
var password = ""

override func viewDidLoad() {
    super.viewDidLoad()
    //myWebView = WKWebView()
    
    navigationController?.setNavigationBarHidden(true, animated: true)
    
    if(defaults.bool(forKey: "isLoggedin") == true){
        username = defaults.string(forKey: "username") ?? ""
        password = defaults.string(forKey: "password") ?? ""
    
        if(username != "" && password != ""){
            guard let url = URL(string: "https://google.com") else {return}
            myWebView.load(URLRequest(url: url))
        }
    }
    
}
}

My story board screen shot

Screenshot 2022-02-12 at 1.29.17 PM.png

Boost

Answer 1

robnotyou OP

Feb ’22

Try this:

guard let url = URL(string: "https://www.google.com") else {return}

Otherwise, "myWebView" must be nil.
You could add a diagnostic message, before the error line...

print("myWebView: \(myWebView)")

0

Answer 2

Claude31 OP

Feb ’22

Usually, that happens when the object (here MyWebView) in storyboard is not properly connected to its IBOutlet.

So, check the connection.

If not set, do it
if set (which seems to be the case as the name My Web View appears in objects list), disconnect it (right click on My Web View) and reconnect
Do a clean build folder.

0

Answer 3

Claude31 OP

Feb ’22

I tested with your code, creating a small webview.

            guard let url = URL(string: "https://google.com") else {return}
            myWebView.load(URLRequest(url: url))

and it works perfectly.

So problem is not the url, it il likely the connection.

0