javascript event Handler in uiwebview

Question

I am displaying one UIWebView in my iPhone application. In UIWebView I am displaying HTML page which has JavaScript also. I want to call method(of X Code) when one button is clicked in HTML page.

How can I do this. Thanks

user_5275595 · Answer

Swift Version

webView.delegate = self

extension ViewController: UIWebViewDelegate {
    func webView(_ webView: UIWebView, shouldStartLoadWith request: URLRequest, navigationType: UIWebViewNavigationType) -> Bool {
        if request.description == "yourappname://buttonClicked" {

            // do your stuff here
            return false
        }
        return true
    }    
}

Example HTML

If you want to know how to do it in wkWebView, here is the link

javascript event Handler in uiwebview

2 Answers