Example project tweaks

Example/ViewController.swift

@@ -16,17 +16,19 @@ class ViewController: UIViewController {
  webView.foremWebViewDelegate = self
  webView.load("https://dev.to")
  activityIndicator.startAnimating()
+
+ // Observations need to be retained in order for them to work
  observations = [
- webView.observe(\ForemWebView.userData, options: .new, changeHandler: { (webView, _) in
+ webView.observe(\ForemWebView.userData, options: .new) { (webView, _) in
  if let userData = webView.userData {
  print("UserID [config_body_class]: \(userData.userID) [\(userData.configBodyClass)]")
  } else {
  print("User Logged out")
  }
- }),
- webView.observe(\ForemWebView.estimatedProgress, options: .new, changeHandler: { (webView, _) in
+ },
+ webView.observe(\ForemWebView.estimatedProgress, options: .new) { (webView, _) in
  self.progressView.progress = Float(webView.estimatedProgress)
- })
+ }
  ]
  }
 }
@@ -41,23 +43,25 @@ extension ViewController: ForemWebViewDelegate {
  }
 
  func requestedExternalSite(url: URL) {
- print("This was the external site requested: \(url.absoluteString)")
  // You can open a custom WKWebView for external sites, present SFSafariViewController, etc.
+ print("This was the external site requested: \(url.absoluteString)")
  }
 
  func requestedMailto(url: URL) {
  if UIApplication.shared.canOpenURL(url) {
+ // Should open the default Mail app
  UIApplication.shared.open(url, options: [:], completionHandler: nil)
  }
  }
 
  func didStartNavigation() {
  activityIndicator.isHidden = false
  progressView.progress = 0
+ progressView.isHidden = false
  }
 
  func didFinishNavigation() {
  activityIndicator.isHidden = true
- progressView.progress = 0
+ progressView.isHidden = true
  }
 }