fixed loading error handling for android and iOS

README.md

@@ -40,8 +40,8 @@ class MyInAppBrowser extends InAppBrowser {
   }
 
   @override
-  void onLoadError(String url, String code, String message) {
-    super.onLoadStop(url);
+  void onLoadError(String url, int code, String message) {
+    super.onLoadError(url, code, message);
     print("\n\nCan't load $url.. Error: $message\n\n");
   }
 

android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/InAppBrowserWebViewClient.java

@@ -149,8 +149,7 @@ public class InAppBrowserWebViewClient extends WebViewClient {
 
         Map<String, Object> obj = new HashMap<>();
         obj.put("url", error.getUrl());
-        obj.put("code", 0);
-        obj.put("sslerror", error.getPrimaryError());
+        obj.put("code", error.getPrimaryError());
         String message;
         switch (error.getPrimaryError()) {
             case SslError.SSL_DATE_INVALID:
@@ -173,7 +172,7 @@ public class InAppBrowserWebViewClient extends WebViewClient {
                 message = "The certificate authority is not trusted";
                 break;
         }
-        obj.put("message", message);
+        obj.put("message", "SslError: " + message);
         InAppBrowserFlutterPlugin.channel.invokeMethod("loaderror", obj);
 
         handler.cancel();

example/lib/main.dart

@@ -43,8 +43,8 @@ class MyInAppBrowser extends InAppBrowser {
   }
 
   @override
-  void onLoadError(String url, String code, String message) {
-    super.onLoadStop(url);
+  void onLoadError(String url, int code, String message) {
+    super.onLoadError(url, code, message);
     print("\n\nCan't load $url.. Error: $message\n\n");
   }
 

ios/Classes/InAppBrowserWebViewController.swift

@@ -489,21 +489,21 @@ class InAppBrowserWebViewController: UIViewController, WKUIDelegate, WKNavigatio
         navigationDelegate?.webViewDidFinishLoad(webView)
     }
     
-    func webView(_ webView: WKWebView,
-                 didFailProvisionalNavigation navigation: WKNavigation!,
-                 withError error: Error) {
-        print("webView:didFailProvisionalNavigationWithError - \(Int(error._code)): \(error.localizedDescription)")
-        backButton.isEnabled = webView.canGoBack
-        forwardButton.isEnabled = webView.canGoForward
-        spinner.stopAnimating()
-        navigationDelegate?.webView(webView, didFailLoadWithError: error)
-    }
+//    func webView(_ webView: WKWebView,
+//                 didFailProvisionalNavigation navigation: WKNavigation!,
+//                 withError error: Error) {
+//        print("webView:didFailProvisionalNavigationWithError - \(Int(error._code)): \(error.localizedDescription)")
+//        backButton.isEnabled = webView.canGoBack
+//        forwardButton.isEnabled = webView.canGoForward
+//        spinner.stopAnimating()
+//        navigationDelegate?.webView(webView, didFailLoadWithError: error)
+//    }
     
     func webView(_ webView: WKWebView, didFail navigation: WKNavigation!, withError error: Error) {
         print("webView:didFailNavigationWithError - \(Int(error._code)): \(error.localizedDescription)")
         backButton.isEnabled = webView.canGoBack
         forwardButton.isEnabled = webView.canGoForward
         spinner.stopAnimating()
-        navigationDelegate?.webView(webView, didFailLoadWithError: error)
+        navigationDelegate?.webViewDidFailLoadWithError(webView, error: error)
     }
 }

ios/Classes/SwiftFlutterPlugin.swift

@@ -325,7 +325,7 @@ public class SwiftFlutterPlugin: NSObject, FlutterPlugin {
         channel.invokeMethod("loadstop", arguments: ["url": url])
     }
     
-    func webView(_ webView: WKWebView, didFailLoadWithError error: Error) {
+    func webViewDidFailLoadWithError(_ webView: WKWebView, error: Error) {
         let url: String = webViewController!.currentURL!.absoluteString
         let arguments = ["url": url, "code": error._code, "message": error.localizedDescription] as [String : Any]
         channel.invokeMethod("loaderror", arguments: arguments)

lib/flutter_inappbrowser.dart

@@ -44,7 +44,7 @@ class InAppBrowser {
         break;
       case "loaderror":
         String url = call.arguments["url"];
-        String code = call.arguments["code"];
+        int code = call.arguments["code"];
         String message = call.arguments["message"];
         onLoadError(url, code, message);
         break;
@@ -212,7 +212,7 @@ class InAppBrowser {
   }
 
   ///Event fires when the [InAppBrowser] encounters an error loading an [url].
-  void onLoadError(String url, String code, String message) {
+  void onLoadError(String url, int code, String message) {
 
   }