mailto: link in UIWebView - Does Not work

Question

Is the areanything special you need in html or Callbacks in a UIWebView to handle anchor tags with an href, or is there something special about an anchor tag with a mailto link

Answer 1

Working example for Swift 4: 3 cases are treated, expand as needed.

1. mailto-link is working
2. some URL is clicked that you want to open in Webview itself

3. open all other URLs in mobile safari

   func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
   
   if let url = navigationAction.request.url {
       if (url.scheme == "mailto") {
           // mailto: link is clicked
           UIApplication.shared.open(url)
           decisionHandler(.cancel)
           return
       }
       if (url.absoluteString.contains("www.example.com/webviewURL")) {
           // Load this stuff in WebView
           decisionHandler(.allow)
           return
       } else {
           // open any other URL in mobile Safari
           UIApplication.shared.open(url)
           decisionHandler(.cancel)
           return
       }
   }
   
   decisionHandler(.cancel)
   return
   }