fixed tests, added android webview EventChannelDelegate, fixed some enum native values based on target platform

CHANGELOG.md

@@ -15,6 +15,7 @@
 ### BREAKING CHANGES
 
 - On Android, the `InAppWebView` widget uses hybrid composition by default (`useHybridComposition: true`).
+- All properties of `GeolocationPermissionShowPromptResponse` cannot be `null`;
 
 ## 5.4.3+4
 

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/ServiceWorkerManager.java

@@ -13,11 +13,12 @@ import androidx.webkit.ServiceWorkerControllerCompat;
 import androidx.webkit.ServiceWorkerWebSettingsCompat;
 import androidx.webkit.WebViewFeature;
 
+import com.pichillilorenzo.flutter_inappwebview.types.WebResourceRequestExt;
+import com.pichillilorenzo.flutter_inappwebview.types.WebResourceResponseExt;
+
 import java.io.ByteArrayInputStream;
-import java.util.HashMap;
 import java.util.Map;
 
-import io.flutter.plugin.common.BinaryMessenger;
 import io.flutter.plugin.common.MethodCall;
 import io.flutter.plugin.common.MethodChannel;
 
@@ -44,7 +45,7 @@ public class ServiceWorkerManager implements MethodChannel.MethodCallHandler {
   }
 
   @Override
-  public void onMethodCall(MethodCall call, MethodChannel.Result result) {
+  public void onMethodCall(@NonNull MethodCall call, @NonNull MethodChannel.Result result) {
     ServiceWorkerWebSettingsCompat serviceWorkerWebSettings = (serviceWorkerController != null) ? serviceWorkerController.getServiceWorkerWebSettings() : null;
 
     switch (call.method) {
@@ -124,17 +125,11 @@ public class ServiceWorkerManager implements MethodChannel.MethodCallHandler {
         @Nullable
         @Override
         public WebResourceResponse shouldInterceptRequest(@NonNull WebResourceRequest request) {
-          final Map<String, Object> obj = new HashMap<>();
-          obj.put("url", request.getUrl().toString());
-          obj.put("method", request.getMethod());
-          obj.put("headers", request.getRequestHeaders());
-          obj.put("isForMainFrame", request.isForMainFrame());
-          obj.put("hasGesture", request.hasGesture());
-          obj.put("isRedirect", request.isRedirect());
-
+          WebResourceRequestExt requestExt = WebResourceRequestExt.fromWebResourceRequest(request);
+          
           Util.WaitFlutterResult flutterResult;
           try {
-            flutterResult = Util.invokeMethodAndWait(channel, "shouldInterceptRequest", obj);
+            flutterResult = Util.invokeMethodAndWait(channel, "shouldInterceptRequest", requestExt.toMap());
           } catch (InterruptedException e) {
             e.printStackTrace();
             return null;
@@ -144,20 +139,22 @@ public class ServiceWorkerManager implements MethodChannel.MethodCallHandler {
             Log.e(LOG_TAG, flutterResult.error);
           }
           else if (flutterResult.result != null) {
-            Map<String, Object> res = (Map<String, Object>) flutterResult.result;
-            String contentType = (String) res.get("contentType");
-            String contentEncoding = (String) res.get("contentEncoding");
-            byte[] data = (byte[]) res.get("data");
-            Map<String, String> responseHeaders = (Map<String, String>) res.get("headers");
-            Integer statusCode = (Integer) res.get("statusCode");
-            String reasonPhrase = (String) res.get("reasonPhrase");
+            WebResourceResponseExt response = WebResourceResponseExt.fromMap((Map<String, Object>) flutterResult.result);
+            if (response != null) {
+              String contentType = response.getContentType();
+              String contentEncoding = response.getContentEncoding();
+              byte[] data = response.getData();
+              Map<String, String> responseHeaders = response.getHeaders();
+              Integer statusCode = response.getStatusCode();
+              String reasonPhrase = response.getReasonPhrase();
 
-            ByteArrayInputStream inputStream = (data != null) ? new ByteArrayInputStream(data) : null;
+              ByteArrayInputStream inputStream = (data != null) ? new ByteArrayInputStream(data) : null;
 
-            if ((responseHeaders == null && statusCode == null && reasonPhrase == null) || Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
-              return new WebResourceResponse(contentType, contentEncoding, inputStream);
-            } else {
-              return new WebResourceResponse(contentType, contentEncoding, statusCode, reasonPhrase, responseHeaders, inputStream);
+              if (statusCode != null && reasonPhrase != null) {
+                return new WebResourceResponse(contentType, contentEncoding, statusCode, reasonPhrase, responseHeaders, inputStream);
+              } else {
+                return new WebResourceResponse(contentType, contentEncoding, inputStream);
+              }
             }
           }
 

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/Util.java

@@ -10,9 +10,12 @@ import android.os.Looper;
 import android.text.TextUtils;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.RequiresApi;
 
+import com.pichillilorenzo.flutter_inappwebview.types.SyncBaseCallbackResultImpl;
+
 import org.json.JSONArray;
 import org.json.JSONObject;
 
@@ -127,6 +130,20 @@ public class Util {
     return new WaitFlutterResult(flutterResultMap.get("result"), (String) flutterResultMap.get("error"));
   }
 
+  public static <T> T invokeMethodAndWaitResult(final @NonNull MethodChannel channel,
+                                                final @NonNull String method, final @Nullable Object arguments,
+                                                final @NonNull SyncBaseCallbackResultImpl<T> callback) throws InterruptedException {
+    Handler handler = new Handler(Looper.getMainLooper());
+    handler.post(new Runnable() {
+      @Override
+      public void run() {
+        channel.invokeMethod(method, arguments, callback);
+      }
+    });
+    callback.latch.await();
+    return callback.result;
+  }
+
   public static class WaitFlutterResult {
     public Object result;
     public String error;
@@ -137,8 +154,11 @@ public class Util {
     }
   }
 
-  public static PrivateKeyAndCertificates loadPrivateKeyAndCertificate(InAppWebViewFlutterPlugin plugin, String certificatePath, String certificatePassword, String keyStoreType) {
-
+  @Nullable
+  public static PrivateKeyAndCertificates loadPrivateKeyAndCertificate(@NonNull InAppWebViewFlutterPlugin plugin,
+                                                                       @NonNull String certificatePath, 
+                                                                       @Nullable String certificatePassword,
+                                                                       @NonNull String keyStoreType) {
     PrivateKeyAndCertificates privateKeyAndCertificates = null;
 
     try {
@@ -150,7 +170,7 @@ public class Util {
       Enumeration<String> aliases = keyStore.aliases();
       String alias = aliases.nextElement();
 
-      Key key = keyStore.getKey(alias, certificatePassword.toCharArray());
+      Key key = keyStore.getKey(alias, certificatePassword != null ? certificatePassword.toCharArray() : null);
       if (key instanceof PrivateKey) {
         PrivateKey privateKey = (PrivateKey)key;
         Certificate cert = keyStore.getCertificate(alias);
@@ -319,8 +339,8 @@ public class Util {
     return InetAddress.getByName(address).getCanonicalHostName();
   }
 
-  public static Object getOrDefault(Map map, String key, Object defaultValue) {
-    return map.containsKey(key) ? map.get(key) : defaultValue;
+  public static <T> T getOrDefault(Map<String, Object> map, String key, T defaultValue) {
+    return map.containsKey(key) ? (T) map.get(key) : defaultValue;
   }
 
   @Nullable

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/chrome_custom_tabs/ChromeSafariBrowserManager.java

@@ -77,14 +77,14 @@ public class ChromeSafariBrowserManager implements MethodChannel.MethodCallHandl
     extras.putSerializable("actionButton", (Serializable) actionButton);
     extras.putSerializable("menuItemList", (Serializable) menuItemList);
 
-    Boolean isSingleInstance = (Boolean) Util.getOrDefault(settings, "isSingleInstance", false);
-    Boolean isTrustedWebActivity = (Boolean) Util.getOrDefault(settings, "isTrustedWebActivity", false);
+    Boolean isSingleInstance = Util.<Boolean>getOrDefault(settings, "isSingleInstance", false);
+    Boolean isTrustedWebActivity = Util.<Boolean>getOrDefault(settings, "isTrustedWebActivity", false);
     if (CustomTabActivityHelper.isAvailable(activity)) {
       intent = new Intent(activity, !isSingleInstance ? 
               (!isTrustedWebActivity ? ChromeCustomTabsActivity.class : TrustedWebActivity.class) :
               (!isTrustedWebActivity ? ChromeCustomTabsActivitySingleInstance.class : TrustedWebActivitySingleInstance.class));
       intent.putExtras(extras);
-      Boolean noHistory = (Boolean) Util.getOrDefault(settings, "noHistory", false);
+      Boolean noHistory = Util.<Boolean>getOrDefault(settings, "noHistory", false);
       if (noHistory) {
         intent.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
       }

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/content_blocker/ContentBlockerHandler.java

@@ -5,6 +5,8 @@ import android.os.Handler;
 import android.util.Log;
 import android.webkit.WebResourceResponse;
 
+import androidx.annotation.Nullable;
+
 import com.pichillilorenzo.flutter_inappwebview.in_app_webview.InAppWebView;
 import com.pichillilorenzo.flutter_inappwebview.Util;
 
@@ -42,6 +44,7 @@ public class ContentBlockerHandler {
         this.ruleList = newRuleList;
     }
 
+    @Nullable
     public WebResourceResponse checkUrl(final InAppWebView webView, String url, ContentBlockerTriggerResourceType responseResourceType) throws URISyntaxException, InterruptedException, MalformedURLException {
         if (webView.customSettings.contentBlockers == null)
             return null;
@@ -211,12 +214,14 @@ public class ContentBlockerHandler {
         }
         return null;
     }
-
+    
+    @Nullable
     public WebResourceResponse checkUrl(final InAppWebView webView, String url) throws URISyntaxException, InterruptedException, MalformedURLException {
         ContentBlockerTriggerResourceType responseResourceType = getResourceTypeFromUrl(url);
         return checkUrl(webView, url, responseResourceType);
     }
 
+    @Nullable
     public WebResourceResponse checkUrl(final InAppWebView webView, String url, String contentType) throws URISyntaxException, InterruptedException, MalformedURLException {
         ContentBlockerTriggerResourceType responseResourceType = getResourceTypeFromContentType(contentType);
         return checkUrl(webView, url, responseResourceType);

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_webview/EventChannelDelegate.java

@@ -0,0 +1,571 @@
+package com.pichillilorenzo.flutter_inappwebview.in_app_webview;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import com.pichillilorenzo.flutter_inappwebview.Util;
+import com.pichillilorenzo.flutter_inappwebview.types.BaseCallbackResultImpl;
+import com.pichillilorenzo.flutter_inappwebview.types.ClientCertChallenge;
+import com.pichillilorenzo.flutter_inappwebview.types.ClientCertResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.CreateWindowAction;
+import com.pichillilorenzo.flutter_inappwebview.types.CustomSchemeResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.DownloadStartRequest;
+import com.pichillilorenzo.flutter_inappwebview.types.GeolocationPermissionShowPromptResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.HitTestResult;
+import com.pichillilorenzo.flutter_inappwebview.types.HttpAuthResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.HttpAuthenticationChallenge;
+import com.pichillilorenzo.flutter_inappwebview.types.JsAlertResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.JsBeforeUnloadResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.JsConfirmResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.JsPromptResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.NavigationAction;
+import com.pichillilorenzo.flutter_inappwebview.types.NavigationActionPolicy;
+import com.pichillilorenzo.flutter_inappwebview.types.PermissionResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.SafeBrowsingResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.ServerTrustAuthResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.ServerTrustChallenge;
+import com.pichillilorenzo.flutter_inappwebview.types.SyncBaseCallbackResultImpl;
+import com.pichillilorenzo.flutter_inappwebview.types.WebResourceErrorExt;
+import com.pichillilorenzo.flutter_inappwebview.types.WebResourceRequestExt;
+import com.pichillilorenzo.flutter_inappwebview.types.WebResourceResponseExt;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import io.flutter.plugin.common.MethodChannel;
+
+public class EventChannelDelegate {
+  @Nullable
+  private MethodChannel channel;
+
+  public EventChannelDelegate(@Nullable MethodChannel channel) {
+    this.channel = channel;
+  }
+
+  public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("activeMatchOrdinal", activeMatchOrdinal);
+    obj.put("numberOfMatches", numberOfMatches);
+    obj.put("isDoneCounting", isDoneCounting);
+    channel.invokeMethod("onFindResultReceived", obj);
+  }
+  
+  public void onLongPressHitTestResult(HitTestResult hitTestResult) {
+    if (channel == null) return;
+    channel.invokeMethod("onLongPressHitTestResult", hitTestResult.toMap());
+  }
+
+  public void onScrollChanged(int x, int y) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("x", x);
+    obj.put("y", y);
+    channel.invokeMethod("onScrollChanged", obj);
+  }
+
+  public void onDownloadStartRequest(DownloadStartRequest downloadStartRequest) {
+    if (channel == null) return;
+    channel.invokeMethod("onDownloadStartRequest", downloadStartRequest.toMap());
+  }
+
+  public void onCreateContextMenu(HitTestResult hitTestResult) {
+    if (channel == null) return;
+    channel.invokeMethod("onCreateContextMenu", hitTestResult.toMap());
+  }
+
+  public void onOverScrolled(int scrollX, int scrollY, boolean clampedX, boolean clampedY) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("x", scrollX);
+    obj.put("y", scrollY);
+    obj.put("clampedX", clampedX);
+    obj.put("clampedY", clampedY);
+    channel.invokeMethod("onOverScrolled", obj);
+  }
+
+  public void onContextMenuActionItemClicked(int itemId, String itemTitle) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("id", itemId);
+    obj.put("androidId", itemId);
+    obj.put("iosId", null);
+    obj.put("title", itemTitle);
+    channel.invokeMethod("onContextMenuActionItemClicked", obj);
+  }
+
+  public void onHideContextMenu() {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    channel.invokeMethod("onHideContextMenu", obj);
+  }
+
+  public void onEnterFullscreen() {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    channel.invokeMethod("onEnterFullscreen", obj);
+  }
+
+  public void onExitFullscreen() {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    channel.invokeMethod("onExitFullscreen", obj);
+  }
+
+  public static class JsAlertCallback extends BaseCallbackResultImpl<JsAlertResponse> {
+    @Nullable
+    @Override
+    public JsAlertResponse decodeResult(@Nullable Object obj) {
+      return JsAlertResponse.fromMap((Map<String, Object>) obj);
+    }
+  }
+  
+  public void onJsAlert(String url, String message, Boolean isMainFrame, @NonNull JsAlertCallback callback) {
+    if (channel == null) {
+      callback.defaultBehaviour(null);
+      return;
+    }
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("url", url);
+    obj.put("message", message);
+    obj.put("isMainFrame", isMainFrame);
+    channel.invokeMethod("onJsAlert", obj, callback);
+  }
+
+  public static class JsConfirmCallback extends BaseCallbackResultImpl<JsConfirmResponse> {
+    @Nullable
+    @Override
+    public JsConfirmResponse decodeResult(@Nullable Object obj) {
+      return JsConfirmResponse.fromMap((Map<String, Object>) obj);
+    }
+  }
+
+  public void onJsConfirm(String url, String message, Boolean isMainFrame, @NonNull JsConfirmCallback callback) {
+    if (channel == null) {
+      callback.defaultBehaviour(null);
+      return;
+    }
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("url", url);
+    obj.put("message", message);
+    obj.put("isMainFrame", isMainFrame);
+    channel.invokeMethod("onJsConfirm", obj, callback);
+  }
+
+  public static class JsPromptCallback extends BaseCallbackResultImpl<JsPromptResponse> {
+    @Nullable
+    @Override
+    public JsPromptResponse decodeResult(@Nullable Object obj) {
+      return JsPromptResponse.fromMap((Map<String, Object>) obj);
+    }
+  }
+
+  public void onJsPrompt(String url, String message, String defaultValue, Boolean isMainFrame, @NonNull JsPromptCallback callback) {
+    if (channel == null) {
+      callback.defaultBehaviour(null);
+      return;
+    }
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("url", url);
+    obj.put("message", message);
+    obj.put("defaultValue", defaultValue);
+    obj.put("isMainFrame", isMainFrame);
+    channel.invokeMethod("onJsPrompt", obj, callback);
+  }
+
+  public static class JsBeforeUnloadCallback extends BaseCallbackResultImpl<JsBeforeUnloadResponse> {
+    @Nullable
+    @Override
+    public JsBeforeUnloadResponse decodeResult(@Nullable Object obj) {
+      return JsBeforeUnloadResponse.fromMap((Map<String, Object>) obj);
+    }
+  }
+
+  public void onJsBeforeUnload(String url, String message, @NonNull JsBeforeUnloadCallback callback) {
+    if (channel == null) {
+      callback.defaultBehaviour(null);
+      return;
+    }
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("url", url);
+    obj.put("message", message);
+    channel.invokeMethod("onJsBeforeUnload", obj, callback);
+  }
+
+  public static class CreateWindowCallback extends BaseCallbackResultImpl<Boolean> {
+    @Nullable
+    @Override
+    public Boolean decodeResult(@Nullable Object obj) {
+      return (obj instanceof Boolean) && (boolean) obj;
+    }
+  }
+
+  public void onCreateWindow(CreateWindowAction createWindowAction, @NonNull CreateWindowCallback callback) {
+    if (channel == null) {
+      callback.defaultBehaviour(null);
+      return;
+    }
+    channel.invokeMethod("onCreateWindow", createWindowAction.toMap(), callback);
+  }
+
+  public void onCloseWindow() {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    channel.invokeMethod("onCloseWindow", obj);
+  }
+
+  public static class GeolocationPermissionsShowPromptCallback extends BaseCallbackResultImpl<GeolocationPermissionShowPromptResponse> {
+    @Nullable
+    @Override
+    public GeolocationPermissionShowPromptResponse decodeResult(@Nullable Object obj) {
+      return GeolocationPermissionShowPromptResponse.fromMap((Map<String, Object>) obj);
+    }
+  }
+
+  public void onGeolocationPermissionsShowPrompt(String origin, @NonNull GeolocationPermissionsShowPromptCallback callback) {
+    if (channel == null) {
+      callback.defaultBehaviour(null);
+      return;
+    }
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("origin", origin);
+    channel.invokeMethod("onGeolocationPermissionsShowPrompt", obj, callback);
+  }
+
+  public void onGeolocationPermissionsHidePrompt() {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    channel.invokeMethod("onGeolocationPermissionsHidePrompt", obj);
+  }
+
+  public void onConsoleMessage(String message, int messageLevel) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("message", message);
+    obj.put("messageLevel", messageLevel);
+    channel.invokeMethod("onConsoleMessage", obj);
+  }
+
+  public void onProgressChanged(int progress) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("progress", progress);
+    channel.invokeMethod("onProgressChanged", obj);
+  }
+
+  public void onTitleChanged(String title) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("title", title);
+    channel.invokeMethod("onTitleChanged", obj);
+  }
+
+  public void onReceivedIcon(byte[] icon) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("icon", icon);
+    channel.invokeMethod("onReceivedIcon", obj);
+  }
+
+  public void onReceivedTouchIconUrl(String url, boolean precomposed) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("url", url);
+    obj.put("precomposed", precomposed);
+    channel.invokeMethod("onReceivedTouchIconUrl", obj);
+  }
+
+  public static class PermissionRequestCallback extends BaseCallbackResultImpl<PermissionResponse> {
+    @Nullable
+    @Override
+    public PermissionResponse decodeResult(@Nullable Object obj) {
+      return PermissionResponse.fromMap((Map<String, Object>) obj);
+    }
+  }
+
+  public void onPermissionRequest(String origin, List<String> resources, Object frame, @NonNull PermissionRequestCallback callback) {
+    if (channel == null) {
+      callback.defaultBehaviour(null);
+      return;
+    }
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("origin", origin);
+    obj.put("resources", resources);
+    obj.put("frame", frame);
+    channel.invokeMethod("onPermissionRequest", obj, callback);
+  }
+
+  public static class ShouldOverrideUrlLoadingCallback extends BaseCallbackResultImpl<NavigationActionPolicy> {
+    @Nullable
+    @Override
+    public NavigationActionPolicy decodeResult(@Nullable Object obj) {
+      Integer action = Util.<Integer>getOrDefault((Map<String, Object>) obj, 
+              "action", NavigationActionPolicy.CANCEL.rawValue());
+      return NavigationActionPolicy.fromValue(action);
+    }
+  }
+
+  public void shouldOverrideUrlLoading(NavigationAction navigationAction, @NonNull ShouldOverrideUrlLoadingCallback callback) {
+    if (channel == null) {
+      callback.defaultBehaviour(null);
+      return;
+    }
+    channel.invokeMethod("shouldOverrideUrlLoading", navigationAction.toMap(), callback);
+  }
+
+  public void onLoadStart(String url) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("url", url);
+    channel.invokeMethod("onLoadStart", obj);
+  }
+
+  public void onLoadStop(String url) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("url", url);
+    channel.invokeMethod("onLoadStop", obj);
+  }
+
+  public void onUpdateVisitedHistory(String url, boolean isReload) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("url", url);
+    obj.put("isReload", isReload);
+    channel.invokeMethod("onUpdateVisitedHistory", obj);
+  }
+
+  public void onReceivedError(WebResourceRequestExt request, WebResourceErrorExt error) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("request", request.toMap());
+    obj.put("error", error.toMap());
+    channel.invokeMethod("onReceivedError", obj);
+  }
+
+  public void onReceivedHttpError(WebResourceRequestExt request, WebResourceResponseExt errorResponse) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("request", request.toMap());
+    obj.put("errorResponse", errorResponse.toMap());
+    channel.invokeMethod("onReceivedHttpError", obj);
+  }
+
+  public static class ReceivedHttpAuthRequestCallback extends BaseCallbackResultImpl<HttpAuthResponse> {
+    @Nullable
+    @Override
+    public HttpAuthResponse decodeResult(@Nullable Object obj) {
+      return HttpAuthResponse.fromMap((Map<String, Object>) obj);
+    }
+  }
+
+  public void onReceivedHttpAuthRequest(HttpAuthenticationChallenge challenge, @NonNull ReceivedHttpAuthRequestCallback callback) {
+    if (channel == null) {
+      callback.defaultBehaviour(null);
+      return;
+    }
+    channel.invokeMethod("onReceivedHttpAuthRequest", challenge.toMap(), callback);
+  }
+
+  public static class ReceivedServerTrustAuthRequestCallback extends BaseCallbackResultImpl<ServerTrustAuthResponse> {
+    @Nullable
+    @Override
+    public ServerTrustAuthResponse decodeResult(@Nullable Object obj) {
+      return ServerTrustAuthResponse.fromMap((Map<String, Object>) obj);
+    }
+  }
+
+  public void onReceivedServerTrustAuthRequest(ServerTrustChallenge challenge, @NonNull ReceivedServerTrustAuthRequestCallback callback) {
+    if (channel == null) {
+      callback.defaultBehaviour(null);
+      return;
+    }
+    channel.invokeMethod("onReceivedServerTrustAuthRequest", challenge.toMap(), callback);
+  }
+
+  public static class ReceivedClientCertRequestCallback extends BaseCallbackResultImpl<ClientCertResponse> {
+    @Nullable
+    @Override
+    public ClientCertResponse decodeResult(@Nullable Object obj) {
+      return ClientCertResponse.fromMap((Map<String, Object>) obj);
+    }
+  }
+
+  public void onReceivedClientCertRequest(ClientCertChallenge challenge, @NonNull ReceivedClientCertRequestCallback callback) {
+    if (channel == null) {
+      callback.defaultBehaviour(null);
+      return;
+    }
+    channel.invokeMethod("onReceivedClientCertRequest", challenge.toMap(), callback);
+  }
+
+  public void onZoomScaleChanged(float oldScale, float newScale) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("oldScale", oldScale);
+    obj.put("newScale", newScale);
+    channel.invokeMethod("onZoomScaleChanged", obj);
+  }
+
+  public static class SafeBrowsingHitCallback extends BaseCallbackResultImpl<SafeBrowsingResponse> {
+    @Nullable
+    @Override
+    public SafeBrowsingResponse decodeResult(@Nullable Object obj) {
+      return SafeBrowsingResponse.fromMap((Map<String, Object>) obj);
+    }
+  }
+
+  public void onSafeBrowsingHit(String url, int threatType, @NonNull SafeBrowsingHitCallback callback) {
+    if (channel == null) {
+      callback.defaultBehaviour(null);
+      return;
+    }
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("url", url);
+    obj.put("threatType", threatType);
+    channel.invokeMethod("onSafeBrowsingHit", obj, callback);
+  }
+
+  public static class FormResubmissionCallback extends BaseCallbackResultImpl<Integer> {
+    @Nullable
+    @Override
+    public Integer decodeResult(@Nullable Object obj) {
+      return obj != null ? (Integer) ((Map<String, Object>) obj).get("action") : null;
+    }
+  }
+
+  public void onFormResubmission(String url, @NonNull FormResubmissionCallback callback) {
+    if (channel == null) {
+      callback.defaultBehaviour(null);
+      return;
+    }
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("url", url);
+    channel.invokeMethod("onFormResubmission", obj, callback);
+  }
+
+  public void onPageCommitVisible(String url) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("url", url);
+    channel.invokeMethod("onPageCommitVisible", obj);
+  }
+
+  public void onRenderProcessGone(boolean didCrash, int rendererPriorityAtExit) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("didCrash", didCrash);
+    obj.put("rendererPriorityAtExit", rendererPriorityAtExit);
+    channel.invokeMethod("onRenderProcessGone", obj);
+  }
+
+  public void onReceivedLoginRequest(String realm, String account, String args) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("realm", realm);
+    obj.put("account", account);
+    obj.put("args", args);
+    channel.invokeMethod("onReceivedLoginRequest", obj);
+  }
+
+  public static class LoadResourceCustomSchemeCallback extends BaseCallbackResultImpl<CustomSchemeResponse> {
+    @Nullable
+    @Override
+    public CustomSchemeResponse decodeResult(@Nullable Object obj) {
+      return CustomSchemeResponse.fromMap((Map<String, Object>) obj);
+    }
+  }
+
+  public void onLoadResourceCustomScheme(String url, @NonNull LoadResourceCustomSchemeCallback callback) {
+    if (channel == null) return;
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("url", url);
+    channel.invokeMethod("onLoadResourceCustomScheme", obj, callback);
+  }
+
+  public static class SyncLoadResourceCustomSchemeCallback extends SyncBaseCallbackResultImpl<CustomSchemeResponse> {
+    @Nullable
+    @Override
+    public CustomSchemeResponse decodeResult(@Nullable Object obj) {
+      return (new LoadResourceCustomSchemeCallback()).decodeResult(obj);
+    }
+  }
+  
+  @Nullable
+  public CustomSchemeResponse onLoadResourceCustomScheme(String url) throws InterruptedException {
+    if (channel == null) return null;
+    final Map<String, Object> obj = new HashMap<>();
+    obj.put("url", url);
+    final SyncLoadResourceCustomSchemeCallback callback = new SyncLoadResourceCustomSchemeCallback();
+    return Util.invokeMethodAndWaitResult(channel, "onLoadResourceCustomScheme", obj, callback);
+  }
+
+  public static class ShouldInterceptRequestCallback extends BaseCallbackResultImpl<WebResourceResponseExt> {
+    @Nullable
+    @Override
+    public WebResourceResponseExt decodeResult(@Nullable Object obj) {
+      return WebResourceResponseExt.fromMap((Map<String, Object>) obj);
+    }
+  }
+
+  public void shouldInterceptRequest(WebResourceRequestExt request, @NonNull ShouldInterceptRequestCallback callback) {
+    if (channel == null) return;
+    channel.invokeMethod("shouldInterceptRequest", request.toMap(), callback);
+  }
+
+  public static class SyncShouldInterceptRequestCallback extends SyncBaseCallbackResultImpl<WebResourceResponseExt> {
+    @Nullable
+    @Override
+    public WebResourceResponseExt decodeResult(@Nullable Object obj) {
+      return (new ShouldInterceptRequestCallback()).decodeResult(obj);
+    }
+  }
+
+  @Nullable
+  public WebResourceResponseExt shouldInterceptRequest(WebResourceRequestExt request) throws InterruptedException {
+    if (channel == null) return null;
+    final SyncShouldInterceptRequestCallback callback = new SyncShouldInterceptRequestCallback();
+    return Util.invokeMethodAndWaitResult(channel, "shouldInterceptRequest", request.toMap(), callback);
+  }
+
+  public static class RenderProcessUnresponsiveCallback extends BaseCallbackResultImpl<Integer> {
+    @Nullable
+    @Override
+    public Integer decodeResult(@Nullable Object obj) {
+      return obj != null ? (Integer) ((Map<String, Object>) obj).get("action") : null;
+    }
+  }
+
+  public void onRenderProcessUnresponsive(String url, @NonNull RenderProcessUnresponsiveCallback callback) {
+    if (channel == null) {
+      callback.defaultBehaviour(null);
+      return;
+    }
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("url", url);
+    channel.invokeMethod("onRenderProcessUnresponsive", obj, callback);
+  }
+
+  public static class RenderProcessResponsiveCallback extends BaseCallbackResultImpl<Integer> {
+    @Nullable
+    @Override
+    public Integer decodeResult(@Nullable Object obj) {
+      return obj != null ? (Integer) ((Map<String, Object>) obj).get("action") : null;
+    }
+  }
+
+  public void onRenderProcessResponsive(String url, @NonNull RenderProcessResponsiveCallback callback) {
+    if (channel == null) {
+      callback.defaultBehaviour(null);
+      return;
+    }
+    Map<String, Object> obj = new HashMap<>();
+    obj.put("url", url);
+    channel.invokeMethod("onRenderProcessResponsive", obj, callback);
+  }
+  
+  public void dispose() {
+    channel = null;
+  }
+}

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_webview/FlutterWebView.java

@@ -154,6 +154,7 @@ public class FlutterWebView implements PlatformWebView {
           if (webView.inAppWebViewRenderProcessClient != null) {
             webView.inAppWebViewRenderProcessClient.dispose();
           }
+          webView.eventChannelDelegate.dispose();
           webView.inAppWebViewChromeClient.dispose();
           webView.inAppWebViewClient.dispose();
           webView.javaScriptBridgeInterface.dispose();

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_webview/InAppWebView.java

@@ -43,7 +43,6 @@ import android.webkit.WebBackForwardList;
 import android.webkit.WebHistoryItem;
 import android.webkit.WebSettings;
 import android.webkit.WebStorage;
-import android.webkit.WebView;
 import android.widget.HorizontalScrollView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
@@ -116,10 +115,15 @@ final public class InAppWebView extends InputAwareWebView implements InAppWebVie
   public Object id;
   @Nullable
   public Integer windowId;
+  @Nullable
   public InAppWebViewClient inAppWebViewClient;
+  @Nullable
   public InAppWebViewChromeClient inAppWebViewChromeClient;
   @Nullable
   public InAppWebViewRenderProcessClient inAppWebViewRenderProcessClient;
+  @Nullable
+  public EventChannelDelegate eventChannelDelegate;
+  @Nullable
   public JavaScriptBridgeInterface javaScriptBridgeInterface;
   public InAppWebViewSettings customSettings;
   public boolean isLoading = false;
@@ -184,20 +188,21 @@ final public class InAppWebView extends InputAwareWebView implements InAppWebVie
   }
 
   public void prepare() {
-
     httpClient = new OkHttpClient().newBuilder().build();
 
+    eventChannelDelegate =  new EventChannelDelegate(channel);
+
     javaScriptBridgeInterface = new JavaScriptBridgeInterface(this);
     addJavascriptInterface(javaScriptBridgeInterface, JavaScriptBridgeJS.JAVASCRIPT_BRIDGE_NAME);
 
-    inAppWebViewChromeClient = new InAppWebViewChromeClient(plugin, channel, this, inAppBrowserDelegate);
+    inAppWebViewChromeClient = new InAppWebViewChromeClient(plugin, this, inAppBrowserDelegate);
     setWebChromeClient(inAppWebViewChromeClient);
 
-    inAppWebViewClient = new InAppWebViewClient(channel, inAppBrowserDelegate);
+    inAppWebViewClient = new InAppWebViewClient(inAppBrowserDelegate);
     setWebViewClient(inAppWebViewClient);
 
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q && WebViewFeature.isFeatureSupported(WebViewFeature.WEB_VIEW_RENDERER_CLIENT_BASIC_USAGE)) {
-      inAppWebViewRenderProcessClient = new InAppWebViewRenderProcessClient(channel);
+      inAppWebViewRenderProcessClient = new InAppWebViewRenderProcessClient();
       WebViewCompat.setWebViewRenderProcessClient(this, inAppWebViewRenderProcessClient);
     }
 
@@ -392,11 +397,7 @@ final public class InAppWebView extends InputAwareWebView implements InAppWebVie
     setFindListener(new FindListener() {
       @Override
       public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) {
-        Map<String, Object> obj = new HashMap<>();
-        obj.put("activeMatchOrdinal", activeMatchOrdinal);
-        obj.put("numberOfMatches", numberOfMatches);
-        obj.put("isDoneCounting", isDoneCounting);
-        channel.invokeMethod("onFindResultReceived", obj);
+        if (eventChannelDelegate != null) eventChannelDelegate.onFindResultReceived(activeMatchOrdinal, numberOfMatches, isDoneCounting);
       }
     });
 
@@ -492,7 +493,7 @@ final public class InAppWebView extends InputAwareWebView implements InAppWebVie
       public boolean onLongClick(View v) {
         com.pichillilorenzo.flutter_inappwebview.types.HitTestResult hitTestResult =
                 com.pichillilorenzo.flutter_inappwebview.types.HitTestResult.fromWebViewHitTestResult(getHitTestResult());
-        channel.invokeMethod("onLongPressHitTestResult", hitTestResult.toMap());
+        if (eventChannelDelegate != null) eventChannelDelegate.onLongPressHitTestResult(hitTestResult);
         return false;
       }
     });
@@ -1193,10 +1194,7 @@ final public class InAppWebView extends InputAwareWebView implements InAppWebVie
       floatingContextMenu.setVisibility(View.GONE);
     }
 
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("x", x);
-    obj.put("y", y);
-    channel.invokeMethod("onScrollChanged", obj);
+    if (eventChannelDelegate != null) eventChannelDelegate.onScrollChanged(x, y);
   }
 
   public void scrollTo(Integer x, Integer y, Boolean animated) {
@@ -1233,7 +1231,7 @@ final public class InAppWebView extends InputAwareWebView implements InAppWebVie
         URLUtil.guessFileName(url, contentDisposition, mimeType),
         null
       );
-      channel.invokeMethod("onDownloadStartRequest", downloadStartRequest.toMap());
+      if (eventChannelDelegate != null) eventChannelDelegate.onDownloadStartRequest(downloadStartRequest);
     }
   }
 
@@ -1284,7 +1282,7 @@ final public class InAppWebView extends InputAwareWebView implements InAppWebVie
   private void sendOnCreateContextMenuEvent() {
     com.pichillilorenzo.flutter_inappwebview.types.HitTestResult hitTestResult =
             com.pichillilorenzo.flutter_inappwebview.types.HitTestResult.fromWebViewHitTestResult(getHitTestResult());
-    channel.invokeMethod("onCreateContextMenu", hitTestResult.toMap());
+    if (eventChannelDelegate != null) eventChannelDelegate.onCreateContextMenu(hitTestResult);
   }
 
   private Point contextMenuPoint = new Point(0, 0);
@@ -1323,12 +1321,7 @@ final public class InAppWebView extends InputAwareWebView implements InAppWebVie
     }
 
     if (overScrolledHorizontally || overScrolledVertically) {
-      Map<String, Object> obj = new HashMap<>();
-      obj.put("x", scrollX);
-      obj.put("y", scrollY);
-      obj.put("clampedX", overScrolledHorizontally);
-      obj.put("clampedY", overScrolledVertically);
-      channel.invokeMethod("onOverScrolled", obj);
+      if (eventChannelDelegate != null) eventChannelDelegate.onOverScrolled(scrollX, scrollY, overScrolledHorizontally, overScrolledVertically);
     }
   }
 
@@ -1441,12 +1434,7 @@ final public class InAppWebView extends InputAwareWebView implements InAppWebVie
             hideContextMenu();
             callback.onActionItemClicked(actionMode, menuItem);
 
-            Map<String, Object> obj = new HashMap<>();
-            obj.put("id", itemId);
-            obj.put("androidId", itemId);
-            obj.put("iosId", null);
-            obj.put("title", itemTitle);
-            channel.invokeMethod("onContextMenuActionItemClicked", obj);
+            if (eventChannelDelegate != null) eventChannelDelegate.onContextMenuActionItemClicked(itemId, itemTitle);
           }
         });
         if (floatingContextMenu != null) {
@@ -1466,12 +1454,7 @@ final public class InAppWebView extends InputAwareWebView implements InAppWebVie
         public void onClick(View v) {
           hideContextMenu();
 
-          Map<String, Object> obj = new HashMap<>();
-          obj.put("id", itemId);
-          obj.put("androidId", itemId);
-          obj.put("iosId", null);
-          obj.put("title", itemTitle);
-          channel.invokeMethod("onContextMenuActionItemClicked", obj);
+          if (eventChannelDelegate != null) eventChannelDelegate.onContextMenuActionItemClicked(itemId, itemTitle);
         }
       });
       if (floatingContextMenu != null) {
@@ -1547,12 +1530,8 @@ final public class InAppWebView extends InputAwareWebView implements InAppWebVie
   public void hideContextMenu() {
     removeView(floatingContextMenu);
     floatingContextMenu = null;
-    onHideContextMenu();
-  }
-
-  public void onHideContextMenu() {
-    Map<String, Object> obj = new HashMap<>();
-    channel.invokeMethod("onHideContextMenu", obj);
+    
+    if (eventChannelDelegate != null) eventChannelDelegate.onHideContextMenu();
   }
 
   public void onScrollStopped() {
@@ -1813,6 +1792,17 @@ final public class InAppWebView extends InputAwareWebView implements InAppWebVie
     callback.onReceiveValue(com.pichillilorenzo.flutter_inappwebview.types.HitTestResult.fromWebViewHitTestResult(getHitTestResult()));
   }
 
+  @Nullable
+  @Override
+  public EventChannelDelegate getEventChannelDelegate() {
+    return eventChannelDelegate;
+  }
+  
+  @Override
+  public void setEventChannelDelegate(@Nullable EventChannelDelegate eventChannelDelegate) {
+    this.eventChannelDelegate = eventChannelDelegate;
+  }
+
   @Override
   public void dispose() {
     if (windowId != null) {
@@ -1834,6 +1824,7 @@ final public class InAppWebView extends InputAwareWebView implements InAppWebVie
     inAppWebViewClient = null;
     javaScriptBridgeInterface = null;
     inAppWebViewRenderProcessClient = null;
+    eventChannelDelegate = null;
     plugin = null;
     super.dispose();
   }

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_webview/InAppWebViewChromeClient.java

@@ -46,6 +46,12 @@ import com.pichillilorenzo.flutter_inappwebview.in_app_browser.ActivityResultLis
 import com.pichillilorenzo.flutter_inappwebview.in_app_browser.InAppBrowserDelegate;
 import com.pichillilorenzo.flutter_inappwebview.InAppWebViewFlutterPlugin;
 import com.pichillilorenzo.flutter_inappwebview.R;
+import com.pichillilorenzo.flutter_inappwebview.types.GeolocationPermissionShowPromptResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.JsAlertResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.JsBeforeUnloadResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.JsConfirmResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.JsPromptResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.PermissionResponse;
 import com.pichillilorenzo.flutter_inappwebview.types.URLRequest;
 
 import java.io.ByteArrayOutputStream;
@@ -54,7 +60,6 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
-import java.util.List;
 import java.util.Map;
 
 import io.flutter.plugin.common.MethodChannel;
@@ -66,7 +71,6 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
 
   protected static final String LOG_TAG = "IABWebChromeClient";
   private InAppBrowserDelegate inAppBrowserDelegate;
-  private final MethodChannel channel;
   public static Map<Integer, Message> windowWebViewMessages = new HashMap<>();
   private static int windowAutoincrementId = 0;
 
@@ -105,11 +109,10 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
   @Nullable
   public InAppWebView inAppWebView;
 
-  public InAppWebViewChromeClient(@NonNull final InAppWebViewFlutterPlugin plugin, MethodChannel channel,
+  public InAppWebViewChromeClient(@NonNull final InAppWebViewFlutterPlugin plugin,
                                   @NonNull InAppWebView inAppWebView, InAppBrowserDelegate inAppBrowserDelegate) {
     super();
     this.plugin = plugin;
-    this.channel = channel;
     this.inAppWebView = inAppWebView;
     this.inAppBrowserDelegate = inAppBrowserDelegate;
     if (this.inAppBrowserDelegate != null) {
@@ -145,10 +148,11 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
     this.mCustomViewCallback.onCustomViewHidden();
     this.mCustomViewCallback = null;
     activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
-    Map<String, Object> obj = new HashMap<>();
-    channel.invokeMethod("onExitFullscreen", obj);
 
     if (inAppWebView != null) {
+      EventChannelDelegate eventChannelDelegate = inAppWebView.eventChannelDelegate;
+      if (eventChannelDelegate != null)
+        eventChannelDelegate.onExitFullscreen();
       inAppWebView.setInFullscreen(false);
     }
   }
@@ -183,10 +187,10 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
     activity.getWindow().setFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
     ((FrameLayout) decorView).addView(this.mCustomView, FULLSCREEN_LAYOUT_PARAMS);
     
-    Map<String, Object> obj = new HashMap<>();
-    channel.invokeMethod("onEnterFullscreen", obj);
-    
     if (inAppWebView != null) {
+      EventChannelDelegate eventChannelDelegate = inAppWebView.eventChannelDelegate;
+      if (eventChannelDelegate != null)
+        eventChannelDelegate.onEnterFullscreen();
       inAppWebView.setInFullscreen(true);
     }
   }
@@ -194,24 +198,12 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
   @Override
   public boolean onJsAlert(final WebView view, String url, final String message,
                            final JsResult result) {
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("url", url);
-    obj.put("message", message);
-    obj.put("isMainFrame", null);
-
-    channel.invokeMethod("onJsAlert", obj, new MethodChannel.Result() {
-      @Override
-      public void success(@Nullable Object response) {
-        String responseMessage = null;
-        String confirmButtonTitle = null;
-
-        if (response != null) {
-          Map<String, Object> responseMap = (Map<String, Object>) response;
-          responseMessage = (String) responseMap.get("message");
-          confirmButtonTitle = (String) responseMap.get("confirmButtonTitle");
-          Boolean handledByClient = (Boolean) responseMap.get("handledByClient");
-          if (handledByClient != null && handledByClient) {
-            Integer action = (Integer) responseMap.get("action");
+    if (inAppWebView != null && inAppWebView.eventChannelDelegate != null) {
+      inAppWebView.eventChannelDelegate.onJsAlert(url, message, null, new EventChannelDelegate.JsAlertCallback() {
+        @Override
+        public boolean nonNullSuccess(@NonNull JsAlertResponse response) {
+          if (response.isHandledByClient()) {
+            Integer action = response.getAction();
             action = action != null ? action : 1;
             switch (action) {
               case 0:
@@ -221,26 +213,33 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
               default:
                 result.cancel();
             }
-            return;
+            return false;
           }
+          return true;
         }
 
-        createAlertDialog(view, message, result, responseMessage, confirmButtonTitle);
-      }
+        @Override
+        public void defaultBehaviour(@Nullable JsAlertResponse response) {
+          String responseMessage = null;
+          String confirmButtonTitle = null;
+          if (response != null) {
+            responseMessage = response.getMessage();
+            confirmButtonTitle = response.getConfirmButtonTitle();
+          }
+          createAlertDialog(view, message, result, responseMessage, confirmButtonTitle);
+        }
 
-      @Override
-      public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
-        result.cancel();
-      }
+        @Override
+        public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
+          Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
+          result.cancel();
+        }
+      });
 
-      @Override
-      public void notImplemented() {
-        createAlertDialog(view, message, result, null, null);
-      }
-    });
+      return true;
+    }
 
-    return true;
+    return false;
   }
 
   public void createAlertDialog(WebView view, String message, final JsResult result, String responseMessage, String confirmButtonTitle) {
@@ -282,26 +281,12 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
   @Override
   public boolean onJsConfirm(final WebView view, String url, final String message,
                              final JsResult result) {
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("url", url);
-    obj.put("message", message);
-    obj.put("isMainFrame", null);
-
-    channel.invokeMethod("onJsConfirm", obj, new MethodChannel.Result() {
-      @Override
-      public void success(Object response) {
-        String responseMessage = null;
-        String confirmButtonTitle = null;
-        String cancelButtonTitle = null;
-
-        if (response != null) {
-          Map<String, Object> responseMap = (Map<String, Object>) response;
-          responseMessage = (String) responseMap.get("message");
-          confirmButtonTitle = (String) responseMap.get("confirmButtonTitle");
-          cancelButtonTitle = (String) responseMap.get("cancelButtonTitle");
-          Boolean handledByClient = (Boolean) responseMap.get("handledByClient");
-          if (handledByClient != null && handledByClient) {
-            Integer action = (Integer) responseMap.get("action");
+    if (inAppWebView != null && inAppWebView.eventChannelDelegate != null) {
+      inAppWebView.eventChannelDelegate.onJsConfirm(url, message, null, new EventChannelDelegate.JsConfirmCallback() {
+        @Override
+        public boolean nonNullSuccess(@NonNull JsConfirmResponse response) {
+          if (response.isHandledByClient()) {
+            Integer action = response.getAction();
             action = action != null ? action : 1;
             switch (action) {
               case 0:
@@ -311,26 +296,35 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
               default:
                 result.cancel();
             }
-            return;
+            return false;
           }
+          return true;
         }
 
-        createConfirmDialog(view, message, result, responseMessage, confirmButtonTitle, cancelButtonTitle);
-      }
+        @Override
+        public void defaultBehaviour(@Nullable JsConfirmResponse response) {
+          String responseMessage = null;
+          String confirmButtonTitle = null;
+          String cancelButtonTitle = null;
+          if (response != null) {
+            responseMessage = response.getMessage();
+            confirmButtonTitle = response.getConfirmButtonTitle();
+            cancelButtonTitle = response.getCancelButtonTitle();
+          }
+          createConfirmDialog(view, message, result, responseMessage, confirmButtonTitle, cancelButtonTitle);
+        }
 
-      @Override
-      public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
-        result.cancel();
-      }
+        @Override
+        public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
+          Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
+          result.cancel();
+        }
+      });
 
-      @Override
-      public void notImplemented() {
-        createConfirmDialog(view, message, result, null, null, null);
-      }
-    });
+      return true;
+    }
 
-    return true;
+    return false;
   }
 
   public void createConfirmDialog(WebView view, String message, final JsResult result, String responseMessage, String confirmButtonTitle, String cancelButtonTitle) {
@@ -383,60 +377,54 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
   @Override
   public boolean onJsPrompt(final WebView view, String url, final String message,
                             final String defaultValue, final JsPromptResult result) {
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("url", url);
-    obj.put("message", message);
-    obj.put("defaultValue", defaultValue);
-    obj.put("isMainFrame", null);
-
-    channel.invokeMethod("onJsPrompt", obj, new MethodChannel.Result() {
-      @Override
-      public void success(Object response) {
-        String responseMessage = null;
-        String responseDefaultValue = null;
-        String confirmButtonTitle = null;
-        String cancelButtonTitle = null;
-        String value = null;
-
-        if (response != null) {
-          Map<String, Object> responseMap = (Map<String, Object>) response;
-          responseMessage = (String) responseMap.get("message");
-          responseDefaultValue = (String) responseMap.get("defaultValue");
-          confirmButtonTitle = (String) responseMap.get("confirmButtonTitle");
-          cancelButtonTitle = (String) responseMap.get("cancelButtonTitle");
-          value = (String) responseMap.get("value");
-          Boolean handledByClient = (Boolean) responseMap.get("handledByClient");
-          if (handledByClient != null && handledByClient) {
-            Integer action = (Integer) responseMap.get("action");
+    if (inAppWebView != null && inAppWebView.eventChannelDelegate != null) {
+      inAppWebView.eventChannelDelegate.onJsPrompt(url, message, defaultValue, null, new EventChannelDelegate.JsPromptCallback() {
+        @Override
+        public boolean nonNullSuccess(@NonNull JsPromptResponse response) {
+          if (response.isHandledByClient()) {
+            Integer action = response.getAction();
             action = action != null ? action : 1;
             switch (action) {
               case 0:
-                result.confirm(value);
+                result.confirm(response.getValue());
                 break;
               case 1:
               default:
                 result.cancel();
             }
-            return;
+            return false;
           }
+          return true;
         }
 
-        createPromptDialog(view, message, defaultValue, result, responseMessage, responseDefaultValue, value, cancelButtonTitle, confirmButtonTitle);
-      }
+        @Override
+        public void defaultBehaviour(@Nullable JsPromptResponse response) {
+          String responseMessage = null;
+          String responseDefaultValue = null;
+          String value = null;
+          String confirmButtonTitle = null;
+          String cancelButtonTitle = null;
+          if (response != null) {
+            responseMessage = response.getMessage();
+            responseDefaultValue = response.getDefaultValue();
+            value = response.getValue();
+            confirmButtonTitle = response.getConfirmButtonTitle();
+            cancelButtonTitle = response.getCancelButtonTitle();
+          }
+          createPromptDialog(view, message, defaultValue, result, responseMessage, responseDefaultValue, value, cancelButtonTitle, confirmButtonTitle);
+        }
 
-      @Override
-      public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
-        result.cancel();
-      }
+        @Override
+        public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
+          Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
+          result.cancel();
+        }
+      });
 
-      @Override
-      public void notImplemented() {
-        createPromptDialog(view, message, defaultValue, result, null, null, null, null, null);
-      }
-    });
+      return true;
+    }
 
-    return true;
+    return false;
   }
 
   public void createPromptDialog(WebView view, String message, String defaultValue, final JsPromptResult result, String responseMessage, String responseDefaultValue, String value, String cancelButtonTitle, String confirmButtonTitle) {
@@ -506,25 +494,12 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
   @Override
   public boolean onJsBeforeUnload(final WebView view, String url, final String message,
                            final JsResult result) {
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("url", url);
-    obj.put("message", message);
-
-    channel.invokeMethod("onJsBeforeUnload", obj, new MethodChannel.Result() {
-      @Override
-      public void success(Object response) {
-        String responseMessage = null;
-        String confirmButtonTitle = null;
-        String cancelButtonTitle = null;
-
-        if (response != null) {
-          Map<String, Object> responseMap = (Map<String, Object>) response;
-          responseMessage = (String) responseMap.get("message");
-          confirmButtonTitle = (String) responseMap.get("confirmButtonTitle");
-          cancelButtonTitle = (String) responseMap.get("cancelButtonTitle");
-          Boolean handledByClient = (Boolean) responseMap.get("handledByClient");
-          if (handledByClient != null && handledByClient) {
-            Integer action = (Integer) responseMap.get("action");
+    if (inAppWebView != null && inAppWebView.eventChannelDelegate != null) {
+      inAppWebView.eventChannelDelegate.onJsBeforeUnload(url, message, new EventChannelDelegate.JsBeforeUnloadCallback() {
+        @Override
+        public boolean nonNullSuccess(@NonNull JsBeforeUnloadResponse response) {
+          if (response.isHandledByClient()) {
+            Integer action = response.getAction();
             action = action != null ? action : 1;
             switch (action) {
               case 0:
@@ -534,26 +509,35 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
               default:
                 result.cancel();
             }
-            return;
+            return false;
           }
+          return true;
         }
 
-        createBeforeUnloadDialog(view, message, result, responseMessage, confirmButtonTitle, cancelButtonTitle);
-      }
+        @Override
+        public void defaultBehaviour(@Nullable JsBeforeUnloadResponse response) {
+          String responseMessage = null;
+          String confirmButtonTitle = null;
+          String cancelButtonTitle = null;
+          if (response != null) {
+            responseMessage = response.getMessage();
+            confirmButtonTitle = response.getConfirmButtonTitle();
+            cancelButtonTitle = response.getCancelButtonTitle();
+          }
+          createBeforeUnloadDialog(view, message, result, responseMessage, confirmButtonTitle, cancelButtonTitle);
+        }
 
-      @Override
-      public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
-        result.cancel();
-      }
+        @Override
+        public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
+          Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
+          result.cancel();
+        }
+      });
 
-      @Override
-      public void notImplemented() {
-        createConfirmDialog(view, message, result, null, null, null);
-      }
-    });
+      return true;
+    }
 
-    return true;
+    return false;
   }
 
   public void createBeforeUnloadDialog(WebView view, String message, final JsResult result, String responseMessage, String confirmButtonTitle, String cancelButtonTitle) {
@@ -636,84 +620,82 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
 
     windowWebViewMessages.put(windowId, resultMsg);
 
-    channel.invokeMethod("onCreateWindow", createWindowAction.toMap(), new MethodChannel.Result() {
-      @Override
-      public void success(@Nullable Object result) {
-        boolean handledByClient = false;
-        if (result instanceof Boolean) {
-          handledByClient = (boolean) result;
+    if (inAppWebView != null && inAppWebView.eventChannelDelegate != null) {
+      inAppWebView.eventChannelDelegate.onCreateWindow(createWindowAction, new EventChannelDelegate.CreateWindowCallback() {
+        @Override
+        public boolean nonNullSuccess(@NonNull Boolean handledByClient) {
+          return !handledByClient;
         }
-        if (!handledByClient && InAppWebViewChromeClient.windowWebViewMessages.containsKey(windowId)) {
+
+        @Override
+        public void defaultBehaviour(@Nullable Boolean handledByClient) {
           InAppWebViewChromeClient.windowWebViewMessages.remove(windowId);
         }
-      }
 
-      @Override
-      public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
-        if (InAppWebViewChromeClient.windowWebViewMessages.containsKey(windowId)) {
-          InAppWebViewChromeClient.windowWebViewMessages.remove(windowId);
+        @Override
+        public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
+          Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
+          defaultBehaviour(null);
         }
-      }
+      });
 
-      @Override
-      public void notImplemented() {
-        if (InAppWebViewChromeClient.windowWebViewMessages.containsKey(windowId)) {
-          InAppWebViewChromeClient.windowWebViewMessages.remove(windowId);
-        }
-      }
-    });
+      return true;
+    }
 
-    return true;
+    return false;
   }
 
   @Override
   public void onCloseWindow(WebView window) {
-    final Map<String, Object> obj = new HashMap<>();
-    channel.invokeMethod("onCloseWindow", obj);
+    if (inAppWebView != null && inAppWebView.eventChannelDelegate != null) {
+      inAppWebView.eventChannelDelegate.onCloseWindow();
+    }
 
     super.onCloseWindow(window);
   }
 
   @Override
   public void onGeolocationPermissionsShowPrompt(final String origin, final GeolocationPermissions.Callback callback) {
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("origin", origin);
-    channel.invokeMethod("onGeolocationPermissionsShowPrompt", obj, new MethodChannel.Result() {
+    final EventChannelDelegate.GeolocationPermissionsShowPromptCallback resultCallback = new EventChannelDelegate.GeolocationPermissionsShowPromptCallback() {
       @Override
-      public void success(Object o) {
-        Map<String, Object> response = (Map<String, Object>) o;
-        if (response != null)
-          callback.invoke((String) response.get("origin"), (Boolean) response.get("allow"), (Boolean) response.get("retain"));
-        else
-          callback.invoke(origin, false, false);
+      public boolean nonNullSuccess(@NonNull GeolocationPermissionShowPromptResponse response) {
+        callback.invoke(response.getOrigin(), response.isAllow(), response.isRetain());
+        return false;
+      }
+
+      @Override
+      public void defaultBehaviour(@Nullable GeolocationPermissionShowPromptResponse response) {
+        callback.invoke(origin, false, false);
       }
 
       @Override
       public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
         Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
-        callback.invoke(origin, false, false);
+        defaultBehaviour(null);
       }
-
-      @Override
-      public void notImplemented() {
-        callback.invoke(origin, false, false);
-      }
-    });
+    };
+    
+    if (inAppWebView != null && inAppWebView.eventChannelDelegate != null) {
+      inAppWebView.eventChannelDelegate.onGeolocationPermissionsShowPrompt(origin, resultCallback);
+    } else {
+      resultCallback.defaultBehaviour(null);
+    }
   }
 
   @Override
   public void onGeolocationPermissionsHidePrompt() {
-    Map<String, Object> obj = new HashMap<>();
-    channel.invokeMethod("onGeolocationPermissionsHidePrompt", obj);
+    if (inAppWebView != null && inAppWebView.eventChannelDelegate != null) {
+      inAppWebView.eventChannelDelegate.onGeolocationPermissionsHidePrompt();
+    }
   }
 
   @Override
   public boolean onConsoleMessage(ConsoleMessage consoleMessage) {
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("message", consoleMessage.message());
-    obj.put("messageLevel", consoleMessage.messageLevel().ordinal());
-    channel.invokeMethod("onConsoleMessage", obj);
+    if (inAppWebView != null && inAppWebView.eventChannelDelegate != null) {
+      inAppWebView.eventChannelDelegate.onConsoleMessage(
+              consoleMessage.message(), 
+              consoleMessage.messageLevel().ordinal());
+    }
     return true;
   }
 
@@ -721,19 +703,20 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
   public void onProgressChanged(WebView view, int progress) {
     super.onProgressChanged(view, progress);
 
-    InAppWebView webView = (InAppWebView) view;
-
     if (inAppBrowserDelegate != null) {
       inAppBrowserDelegate.didChangeProgress(progress);
     }
 
+
+    InAppWebView webView = (InAppWebView) view;
+
     if (webView.inAppWebViewClient != null) {
       webView.inAppWebViewClient.loadCustomJavaScriptOnPageStarted(view);
     }
 
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("progress", progress);
-    channel.invokeMethod("onProgressChanged", obj);
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onProgressChanged(progress);
+    }
   }
 
   @Override
@@ -743,10 +726,12 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
     if (inAppBrowserDelegate != null) {
       inAppBrowserDelegate.didChangeTitle(title);
     }
+    
+    InAppWebView webView = (InAppWebView) view;
 
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("title", title);
-    channel.invokeMethod("onTitleChanged", obj);
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onTitleChanged(title);
+    }
   }
 
   @Override
@@ -766,9 +751,10 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
     }
     icon.recycle();
 
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("icon", byteArrayOutputStream.toByteArray());
-    channel.invokeMethod("onReceivedIcon", obj);
+    InAppWebView webView = (InAppWebView) view;
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onReceivedIcon(byteArrayOutputStream.toByteArray());
+    }
   }
 
   @Override
@@ -777,10 +763,10 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
                                       boolean precomposed) {
     super.onReceivedTouchIconUrl(view, url, precomposed);
 
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("url", url);
-    obj.put("precomposed", precomposed);
-    channel.invokeMethod("onReceivedTouchIconUrl", obj);
+    InAppWebView webView = (InAppWebView) view;
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onReceivedTouchIconUrl(url, precomposed);
+    }
   }
 
   @Nullable
@@ -1171,47 +1157,44 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
   @Override
   public void onPermissionRequest(final PermissionRequest request) {
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-      Map<String, Object> obj = new HashMap<>();
-      obj.put("origin", request.getOrigin().toString());
-      obj.put("resources", Arrays.asList(request.getResources()));
-      obj.put("frame", null);
-      channel.invokeMethod("onPermissionRequest", obj, new MethodChannel.Result() {
+      final EventChannelDelegate.PermissionRequestCallback callback = new EventChannelDelegate.PermissionRequestCallback() {
         @Override
-        public void success(Object response) {
-          if (response != null) {
-            Map<String, Object> responseMap = (Map<String, Object>) response;
-            Integer action = (Integer) responseMap.get("action");
-            List<String> resourceList = (List<String>) responseMap.get("resources");
-            if (resourceList == null)
-              resourceList = new ArrayList<String>();
-            String[] resources = new String[resourceList.size()];
-            resources = resourceList.toArray(resources);
-            if (action != null) {
-              switch (action) {
-                case 1:
-                  request.grant(resources);
-                  return;
-                case 0:
-                default:
-                  request.deny();
-                  return;
-              }
+        public boolean nonNullSuccess(@NonNull PermissionResponse response) {
+          Integer action = response.getAction();
+          if (action != null) {
+            switch (action) {
+              case 1:
+                String[] resources = new String[response.getResources().size()];
+                resources = response.getResources().toArray(resources);
+                request.grant(resources);
+                break;
+              case 0:
+              default:
+                request.deny();
             }
+            return false;
           }
+          return true;
+        }
+
+        @Override
+        public void defaultBehaviour(@Nullable PermissionResponse response) {
           request.deny();
         }
 
         @Override
         public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
           Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
-          request.deny();
+          defaultBehaviour(null);
         }
-
-        @Override
-        public void notImplemented() {
-          request.deny();
-        }
-      });
+      };
+      
+      if(inAppWebView != null && inAppWebView.eventChannelDelegate != null) {
+        inAppWebView.eventChannelDelegate.onPermissionRequest(request.getOrigin().toString(),
+                Arrays.asList(request.getResources()), null, callback);
+      } else {
+        callback.defaultBehaviour(null);
+      }
     }
   }
 

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_webview/InAppWebViewClient.java

@@ -26,7 +26,6 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.RequiresApi;
 import androidx.webkit.WebResourceRequestCompat;
-import androidx.webkit.WebViewCompat;
 import androidx.webkit.WebViewFeature;
 
 import com.pichillilorenzo.flutter_inappwebview.Util;
@@ -34,9 +33,13 @@ import com.pichillilorenzo.flutter_inappwebview.credential_database.CredentialDa
 import com.pichillilorenzo.flutter_inappwebview.in_app_browser.InAppBrowserDelegate;
 import com.pichillilorenzo.flutter_inappwebview.plugin_scripts_js.JavaScriptBridgeJS;
 import com.pichillilorenzo.flutter_inappwebview.types.ClientCertChallenge;
+import com.pichillilorenzo.flutter_inappwebview.types.ClientCertResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.CustomSchemeResponse;
+import com.pichillilorenzo.flutter_inappwebview.types.HttpAuthResponse;
 import com.pichillilorenzo.flutter_inappwebview.types.HttpAuthenticationChallenge;
 import com.pichillilorenzo.flutter_inappwebview.types.NavigationAction;
 import com.pichillilorenzo.flutter_inappwebview.types.NavigationActionPolicy;
+import com.pichillilorenzo.flutter_inappwebview.types.ServerTrustAuthResponse;
 import com.pichillilorenzo.flutter_inappwebview.types.ServerTrustChallenge;
 import com.pichillilorenzo.flutter_inappwebview.types.URLCredential;
 import com.pichillilorenzo.flutter_inappwebview.types.URLProtectionSpace;
@@ -49,25 +52,19 @@ import java.io.ByteArrayInputStream;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.net.URL;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.regex.Matcher;
 
-import io.flutter.plugin.common.MethodChannel;
-
 public class InAppWebViewClient extends WebViewClient {
 
   protected static final String LOG_TAG = "IAWebViewClient";
   private InAppBrowserDelegate inAppBrowserDelegate;
-  private final MethodChannel channel;
   private static int previousAuthRequestFailureCount = 0;
   private static List<URLCredential> credentialsProposed = null;
 
-  public InAppWebViewClient(MethodChannel channel, InAppBrowserDelegate inAppBrowserDelegate) {
+  public InAppWebViewClient(InAppBrowserDelegate inAppBrowserDelegate) {
     super();
-
-    this.channel = channel;
     this.inAppBrowserDelegate = inAppBrowserDelegate;
   }
 
@@ -136,41 +133,37 @@ public class InAppWebViewClient extends WebViewClient {
             isRedirect
     );
 
-    channel.invokeMethod("shouldOverrideUrlLoading", navigationAction.toMap(), new MethodChannel.Result() {
+    final EventChannelDelegate.ShouldOverrideUrlLoadingCallback callback = new EventChannelDelegate.ShouldOverrideUrlLoadingCallback() {
       @Override
-      public void success(Object response) {
-        if (response != null) {                                                                                                                                           
-          Map<String, Object> responseMap = (Map<String, Object>) response;
-          Integer action = (Integer) responseMap.get("action");
-          action = action != null ? action : NavigationActionPolicy.CANCEL.rawValue();
-
-          NavigationActionPolicy navigationActionPolicy = NavigationActionPolicy.fromValue(action);
-          if (navigationActionPolicy != null) {
-            switch (navigationActionPolicy) {
-              case ALLOW:
-                allowShouldOverrideUrlLoading(webView, url, headers, isForMainFrame);
-                return;
-              case CANCEL:
-              default:
-                return;
-            }
-          }
-          return;
+      public boolean nonNullSuccess(@NonNull NavigationActionPolicy result) {
+        switch (result) {
+          case ALLOW:
+            allowShouldOverrideUrlLoading(webView, url, headers, isForMainFrame);
+            break;
+          case CANCEL:
+          default:
+            break;
         }
+        return false;
+      }
+
+      @Override
+      public void defaultBehaviour(@Nullable NavigationActionPolicy result) {
         allowShouldOverrideUrlLoading(webView, url, headers, isForMainFrame);
       }
 
       @Override
       public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
         Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
-        allowShouldOverrideUrlLoading(webView, url, headers, isForMainFrame);
+        defaultBehaviour(null);
       }
-
-      @Override
-      public void notImplemented() {
-        allowShouldOverrideUrlLoading(webView, url, headers, isForMainFrame);
-      }
-    });
+    };
+    
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.shouldOverrideUrlLoading(navigationAction, callback);
+    } else {
+      callback.defaultBehaviour(null);
+    }
   }
 
   public void loadCustomJavaScriptOnPageStarted(WebView view) {
@@ -211,9 +204,9 @@ public class InAppWebViewClient extends WebViewClient {
       inAppBrowserDelegate.didStartNavigation(url);
     }
 
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("url", url);
-    channel.invokeMethod("onLoadStart", obj);
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onLoadStart(url);
+    }
   }
 
 
@@ -245,26 +238,26 @@ public class InAppWebViewClient extends WebViewClient {
       webView.loadUrl("javascript:" + js.replaceAll("[\r\n]+", ""));
     }
 
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("url", url);
-    channel.invokeMethod("onLoadStop", obj);
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onLoadStop(url);
+    }
   }
 
   @Override
   public void doUpdateVisitedHistory(WebView view, String url, boolean isReload) {
     super.doUpdateVisitedHistory(view, url, isReload);
 
+    // url argument sometimes doesn't contain the new changed URL, so we get it again from the webview.
     url = view.getUrl();
 
     if (inAppBrowserDelegate != null) {
       inAppBrowserDelegate.didUpdateVisitedHistory(url);
     }
-
-    Map<String, Object> obj = new HashMap<>();
-    // url argument sometimes doesn't contain the new changed URL, so we get it again from the webview.
-    obj.put("url", url);
-    obj.put("isReload", isReload);
-    channel.invokeMethod("onUpdateVisitedHistory", obj);
+    
+    final InAppWebView webView = (InAppWebView) view;
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onUpdateVisitedHistory(url, isReload);
+    }
   }
   
   @RequiresApi(api = Build.VERSION_CODES.M)
@@ -287,10 +280,11 @@ public class InAppWebViewClient extends WebViewClient {
       }
     }
 
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("request", WebResourceRequestExt.fromWebResourceRequest(request).toMap());
-    obj.put("error", WebResourceErrorExt.fromWebResourceError(error).toMap());
-    channel.invokeMethod("onReceivedError", obj);
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onReceivedError(
+              WebResourceRequestExt.fromWebResourceRequest(request),
+              WebResourceErrorExt.fromWebResourceError(error));
+    }
   }
 
   @Override
@@ -323,10 +317,11 @@ public class InAppWebViewClient extends WebViewClient {
             description
     );
 
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("request", request.toMap());
-    obj.put("error",error.toMap());
-    channel.invokeMethod("onReceivedError", obj);
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onReceivedError(
+              request,
+              error);
+    }
 
     super.onReceivedError(view, errorCode, description, failingUrl);
   }
@@ -336,15 +331,16 @@ public class InAppWebViewClient extends WebViewClient {
   public void onReceivedHttpError(WebView view, WebResourceRequest request, WebResourceResponse errorResponse) {
     super.onReceivedHttpError(view, request, errorResponse);
 
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("request", WebResourceRequestExt.fromWebResourceRequest(request).toMap());
-    obj.put("errorResponse", WebResourceResponseExt.fromWebResourceResponse(errorResponse).toMap());
-    channel.invokeMethod("onReceivedHttpError", obj);
+    final InAppWebView webView = (InAppWebView) view;
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onReceivedHttpError(
+              WebResourceRequestExt.fromWebResourceRequest(request),
+              WebResourceResponseExt.fromWebResourceResponse(errorResponse));
+    }
   }
 
   @Override
   public void onReceivedHttpAuthRequest(final WebView view, final HttpAuthHandler handler, final String host, final String realm) {
-
     URI uri;
     try {
       uri = new URI(view.getUrl());
@@ -363,13 +359,6 @@ public class InAppWebViewClient extends WebViewClient {
 
     previousAuthRequestFailureCount++;
 
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("host", host);
-    obj.put("protocol", protocol);
-    obj.put("realm", realm);
-    obj.put("port", port);
-    obj.put("previousFailureCount", previousAuthRequestFailureCount);
-
     if (credentialsProposed == null)
       credentialsProposed = CredentialDatabase.getInstance(view.getContext()).getHttpAuthCredentials(host, protocol, realm, port);
 
@@ -381,56 +370,63 @@ public class InAppWebViewClient extends WebViewClient {
     URLProtectionSpace protectionSpace = new URLProtectionSpace(host, protocol, realm, port, view.getCertificate(), null);
     HttpAuthenticationChallenge challenge = new HttpAuthenticationChallenge(protectionSpace, previousAuthRequestFailureCount, credentialProposed);
 
-    channel.invokeMethod("onReceivedHttpAuthRequest", challenge.toMap(), new MethodChannel.Result() {
+    final InAppWebView webView = (InAppWebView) view;
+    final EventChannelDelegate.ReceivedHttpAuthRequestCallback callback = new EventChannelDelegate.ReceivedHttpAuthRequestCallback() {
       @Override
-      public void success(Object response) {
-        if (response != null) {
-          Map<String, Object> responseMap = (Map<String, Object>) response;
-          Integer action = (Integer) responseMap.get("action");
-          if (action != null) {
-            switch (action) {
-              case 1:
-                String username = (String) responseMap.get("username");
-                String password = (String) responseMap.get("password");
-                Boolean permanentPersistence = (Boolean) responseMap.get("permanentPersistence");
-                if (permanentPersistence != null && permanentPersistence) {
-                  CredentialDatabase.getInstance(view.getContext()).setHttpAuthCredential(host, protocol, realm, port, username, password);
-                }
-                handler.proceed(username, password);
-                return;
-              case 2:
-                if (credentialsProposed.size() > 0) {
-                  URLCredential credential = credentialsProposed.remove(0);
-                  handler.proceed(credential.getUsername(), credential.getPassword());
-                } else {
-                  handler.cancel();
-                }
-                // used custom CredentialDatabase!
-                // handler.useHttpAuthUsernamePassword();
-                return;
-              case 0:
-              default:
-                credentialsProposed = null;
-                previousAuthRequestFailureCount = 0;
+      public boolean nonNullSuccess(@NonNull HttpAuthResponse response) {
+        Integer action = response.getAction();
+        if (action != null) {
+          switch (action) {
+            case 1:
+              String username = response.getUsername();
+              String password = response.getPassword();
+              boolean permanentPersistence = response.isPermanentPersistence();
+              if (permanentPersistence) {
+                CredentialDatabase.getInstance(view.getContext())
+                        .setHttpAuthCredential(host, protocol, realm, port, username, password);
+              }
+              handler.proceed(username, password);
+              break;
+            case 2:
+              if (credentialsProposed.size() > 0) {
+                URLCredential credential = credentialsProposed.remove(0);
+                handler.proceed(credential.getUsername(), credential.getPassword());
+              } else {
                 handler.cancel();
-                return;
-            }
+              }
+              // used custom CredentialDatabase!
+              // handler.useHttpAuthUsernamePassword();
+              break;
+            case 0:
+            default:
+              credentialsProposed = null;
+              previousAuthRequestFailureCount = 0;
+              handler.cancel();
           }
+
+          return false;
         }
 
+        return true;
+      }
+
+      @Override
+      public void defaultBehaviour(@Nullable HttpAuthResponse result) {
         InAppWebViewClient.super.onReceivedHttpAuthRequest(view, handler, host, realm);
       }
 
       @Override
       public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
         Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
+        defaultBehaviour(null);
       }
-
-      @Override
-      public void notImplemented() {
-        InAppWebViewClient.super.onReceivedHttpAuthRequest(view, handler, host, realm);
-      }
-    });
+    };
+    
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onReceivedHttpAuthRequest(challenge, callback);
+    } else {
+      callback.defaultBehaviour(null);
+    }
   }
 
   @Override
@@ -452,46 +448,49 @@ public class InAppWebViewClient extends WebViewClient {
     URLProtectionSpace protectionSpace = new URLProtectionSpace(host, protocol, realm, port, sslError.getCertificate(), sslError);
     ServerTrustChallenge challenge = new ServerTrustChallenge(protectionSpace);
 
-    channel.invokeMethod("onReceivedServerTrustAuthRequest", challenge.toMap(), new MethodChannel.Result() {
+    final InAppWebView webView = (InAppWebView) view;
+    final EventChannelDelegate.ReceivedServerTrustAuthRequestCallback callback = new EventChannelDelegate.ReceivedServerTrustAuthRequestCallback() {
       @Override
-      public void success(Object response) {
-        if (response != null) {
-          Map<String, Object> responseMap = (Map<String, Object>) response;
-          Integer action = (Integer) responseMap.get("action");
-          if (action != null) {
-            switch (action) {
-              case 1:
-                handler.proceed();
-                return;
-              case 0:
-              default:
-                handler.cancel();
-                return;
-            }
+      public boolean nonNullSuccess(@NonNull ServerTrustAuthResponse response) {
+        Integer action = response.getAction();
+        if (action != null) {
+          switch (action) {
+            case 1:
+              handler.proceed();
+              break;
+            case 0:
+            default:
+              handler.cancel();
           }
+
+          return false;
         }
 
+        return true;
+      }
+
+      @Override
+      public void defaultBehaviour(@Nullable ServerTrustAuthResponse result) {
         InAppWebViewClient.super.onReceivedSslError(view, handler, sslError);
       }
 
       @Override
       public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
         Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
+        defaultBehaviour(null);
       }
-
-      @Override
-      public void notImplemented() {
-        InAppWebViewClient.super.onReceivedSslError(view, handler, sslError);
-      }
-    });
+    };
+    
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onReceivedServerTrustAuthRequest(challenge, callback);
+    } else {
+      callback.defaultBehaviour(null);
+    }
   }
 
   @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
   @Override
   public void onReceivedClientCertRequest(final WebView view, final ClientCertRequest request) {
-
-    InAppWebView webView = (InAppWebView) view;
-
     URI uri;
     try {
       uri = new URI(view.getUrl());
@@ -509,48 +508,58 @@ public class InAppWebViewClient extends WebViewClient {
     URLProtectionSpace protectionSpace = new URLProtectionSpace(host, protocol, realm, port, view.getCertificate(), null);
     ClientCertChallenge challenge = new ClientCertChallenge(protectionSpace, request.getPrincipals(), request.getKeyTypes());
 
-    channel.invokeMethod("onReceivedClientCertRequest", challenge.toMap(), new MethodChannel.Result() {
+    final InAppWebView webView = (InAppWebView) view;
+    final EventChannelDelegate.ReceivedClientCertRequestCallback callback = new EventChannelDelegate.ReceivedClientCertRequestCallback() {
       @Override
-      public void success(Object response) {
-        if (response != null) {
-          Map<String, Object> responseMap = (Map<String, Object>) response;
-          Integer action = (Integer) responseMap.get("action");
-          if (action != null) {
-            switch (action) {
-              case 1:
-                {
-                  InAppWebView webView = (InAppWebView) view;
-                  String certificatePath = (String) responseMap.get("certificatePath");
-                  String certificatePassword = (String) responseMap.get("certificatePassword");
-                  String androidKeyStoreType = (String) responseMap.get("androidKeyStoreType");
-                  Util.PrivateKeyAndCertificates privateKeyAndCertificates = Util.loadPrivateKeyAndCertificate(webView.plugin, certificatePath, certificatePassword, androidKeyStoreType);
+      public boolean nonNullSuccess(@NonNull ClientCertResponse response) {
+        Integer action = response.getAction();
+        if (action != null && webView.plugin != null) {
+          switch (action) {
+            case 1:
+              {
+                String certificatePath = (String) response.getCertificatePath();
+                String certificatePassword = (String) response.getCertificatePassword();
+                String keyStoreType = (String) response.getKeyStoreType();
+                Util.PrivateKeyAndCertificates privateKeyAndCertificates = 
+                        Util.loadPrivateKeyAndCertificate(webView.plugin, certificatePath, certificatePassword, keyStoreType);
+                if (privateKeyAndCertificates != null) {
                   request.proceed(privateKeyAndCertificates.privateKey, privateKeyAndCertificates.certificates);
+                } else {
+                  request.cancel();
                 }
-                return;
-              case 2:
-                request.ignore();
-                return;
-              case 0:
-              default:
-                request.cancel();
-                return;
-            }
+              }
+              break;
+            case 2:
+              request.ignore();
+              break;
+            case 0:
+            default:
+              request.cancel();
           }
+
+          return false;
         }
 
+        return true;
+      }
+
+      @Override
+      public void defaultBehaviour(@Nullable ClientCertResponse result) {
         InAppWebViewClient.super.onReceivedClientCertRequest(view, request);
       }
 
       @Override
       public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
         Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
+        defaultBehaviour(null);
       }
+    };
 
-      @Override
-      public void notImplemented() {
-        InAppWebViewClient.super.onReceivedClientCertRequest(view, request);
-      }
-    });
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onReceivedClientCertRequest(challenge, callback);
+    } else {
+      callback.defaultBehaviour(null);
+    }
   }
 
   @Override
@@ -559,68 +568,64 @@ public class InAppWebViewClient extends WebViewClient {
     final InAppWebView webView = (InAppWebView) view;
     webView.zoomScale = newScale / Util.getPixelDensity(webView.getContext());
 
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("oldScale", oldScale);
-    obj.put("newScale", newScale);
-    channel.invokeMethod("onZoomScaleChanged", obj);
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onZoomScaleChanged(oldScale, newScale);
+    }
   }
 
   @RequiresApi(api = Build.VERSION_CODES.O_MR1)
   @Override
   public void onSafeBrowsingHit(final WebView view, final WebResourceRequest request, final int threatType, final SafeBrowsingResponse callback) {
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("url", request.getUrl().toString());
-    obj.put("threatType", threatType);
-
-    channel.invokeMethod("onSafeBrowsingHit", obj, new MethodChannel.Result() {
+    final InAppWebView webView = (InAppWebView) view;
+    final EventChannelDelegate.SafeBrowsingHitCallback resultCallback = new EventChannelDelegate.SafeBrowsingHitCallback() {
       @Override
-      public void success(Object response) {
-        if (response != null) {
-          Map<String, Object> responseMap = (Map<String, Object>) response;
-          Boolean report = (Boolean) responseMap.get("report");
-          Integer action = (Integer) responseMap.get("action");
-
-          report = report != null ? report : true;
-
-          if (action != null) {
-            switch (action) {
-              case 0:
-                callback.backToSafety(report);
-                return;
-              case 1:
-                callback.proceed(report);
-                return;
-              case 2:
-              default:
-                callback.showInterstitial(report);
-                return;
-            }
+      public boolean nonNullSuccess(@NonNull com.pichillilorenzo.flutter_inappwebview.types.SafeBrowsingResponse response) {
+        Integer action = response.getAction();
+        if (action != null) {
+          boolean report = response.isReport();
+          switch (action) {
+            case 0:
+              callback.backToSafety(report);
+              break;
+            case 1:
+              callback.proceed(report);
+              break;
+            case 2:
+            default:
+              callback.showInterstitial(report);
           }
+
+          return false;
         }
 
+        return true;
+      }
+
+      @Override
+      public void defaultBehaviour(@Nullable com.pichillilorenzo.flutter_inappwebview.types.SafeBrowsingResponse result) {
         InAppWebViewClient.super.onSafeBrowsingHit(view, request, threatType, callback);
       }
 
       @Override
       public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
         Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
+        defaultBehaviour(null);
       }
+    };
 
-      @Override
-      public void notImplemented() {
-        InAppWebViewClient.super.onSafeBrowsingHit(view, request, threatType, callback);
-      }
-    });
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onSafeBrowsingHit(request.getUrl().toString(), threatType, resultCallback);
+    } else {
+      resultCallback.defaultBehaviour(null);
+    }
   }
 
   @Override
   public WebResourceResponse shouldInterceptRequest(WebView view, final String url) {
-
     final InAppWebView webView = (InAppWebView) view;
 
     if (webView.customSettings.useShouldInterceptRequest) {
-      WebResourceResponse onShouldInterceptResponse = onShouldInterceptRequest(url);
-      return onShouldInterceptResponse;
+      return onShouldInterceptRequest(view, url);
     }
 
     URI uri;
@@ -641,32 +646,28 @@ public class InAppWebViewClient extends WebViewClient {
     String scheme = uri.getScheme();
 
     if (webView.customSettings.resourceCustomSchemes != null && webView.customSettings.resourceCustomSchemes.contains(scheme)) {
-      final Map<String, Object> obj = new HashMap<>();
-      obj.put("url", url);
-
-      Util.WaitFlutterResult flutterResult;
-      try {
-        flutterResult = Util.invokeMethodAndWait(channel, "onLoadResourceCustomScheme", obj);
-      } catch (InterruptedException e) {
-        e.printStackTrace();
-        return null;
+      CustomSchemeResponse customSchemeResponse = null;
+      if (webView.eventChannelDelegate != null) {
+        try {
+          customSchemeResponse = webView.eventChannelDelegate.onLoadResourceCustomScheme(url);
+        } catch (InterruptedException e) {
+          e.printStackTrace();
+          return null;
+        }
       }
 
-      if (flutterResult.error != null) {
-        Log.e(LOG_TAG, flutterResult.error);
-      }
-      else if (flutterResult.result != null) {
-        Map<String, Object> res = (Map<String, Object>) flutterResult.result;
+      if (customSchemeResponse != null) {
         WebResourceResponse response = null;
         try {
-          response = webView.contentBlockerHandler.checkUrl(webView, url, res.get("contentType").toString());
+          response = webView.contentBlockerHandler.checkUrl(webView, url, customSchemeResponse.getContentType());
         } catch (Exception e) {
           e.printStackTrace();
         }
         if (response != null)
           return response;
-        byte[] data = (byte[]) res.get("data");
-        return new WebResourceResponse(res.get("contentType").toString(), res.get("contentEncoding").toString(), new ByteArrayInputStream(data));
+        return new WebResourceResponse(customSchemeResponse.getContentType(), 
+                customSchemeResponse.getContentType(), 
+                new ByteArrayInputStream(customSchemeResponse.getData()));
       }
     }
 
@@ -689,68 +690,50 @@ public class InAppWebViewClient extends WebViewClient {
     String url = request.getUrl().toString();
 
     if (webView.customSettings.useShouldInterceptRequest) {
-      WebResourceResponse onShouldInterceptResponse = onShouldInterceptRequest(request);
-      return onShouldInterceptResponse;
+      return onShouldInterceptRequest(view, request);
     }
 
     return shouldInterceptRequest(view, url);
   }
 
-  public WebResourceResponse onShouldInterceptRequest(Object request) {
-    String url = request instanceof String ? (String) request : null;
-    String method = "GET";
-    Map<String, String> headers = null;
-    boolean hasGesture = false;
-    boolean isForMainFrame = true;
-    boolean isRedirect = false;
-
+  public WebResourceResponse onShouldInterceptRequest(WebView view, Object request) {
+    final InAppWebView webView = (InAppWebView) view;
+    
+    WebResourceRequestExt requestExt;
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && request instanceof WebResourceRequest) {
       WebResourceRequest webResourceRequest = (WebResourceRequest) request;
-      url = webResourceRequest.getUrl().toString();
-      headers = webResourceRequest.getRequestHeaders();
-      hasGesture = webResourceRequest.hasGesture();
-      isForMainFrame = webResourceRequest.isForMainFrame();
-      if (WebViewFeature.isFeatureSupported(WebViewFeature.WEB_RESOURCE_REQUEST_IS_REDIRECT)) {
-        isRedirect = WebResourceRequestCompat.isRedirect(webResourceRequest);
-      } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-        isRedirect = webResourceRequest.isRedirect();
+      requestExt = WebResourceRequestExt.fromWebResourceRequest(webResourceRequest);
+    } else {
+      requestExt = new WebResourceRequestExt(
+              Uri.parse((String) request), null, false,
+              false, true, "GET"
+      );
+    }
+
+    WebResourceResponseExt response = null;
+    if (webView.eventChannelDelegate != null) {
+      try {
+        response = webView.eventChannelDelegate.shouldInterceptRequest(requestExt);
+      } catch (InterruptedException e) {
+        e.printStackTrace();
+        return null;
       }
     }
 
-    final Map<String, Object> obj = new HashMap<>();
-    obj.put("url", url);
-    obj.put("method", method);
-    obj.put("headers", headers);
-    obj.put("isForMainFrame", isForMainFrame);
-    obj.put("hasGesture", hasGesture);
-    obj.put("isRedirect", isRedirect);
-
-    Util.WaitFlutterResult flutterResult;
-    try {
-      flutterResult = Util.invokeMethodAndWait(channel, "shouldInterceptRequest", obj);
-    } catch (InterruptedException e) {
-      e.printStackTrace();
-      return null;
-    }
-
-    if (flutterResult.error != null) {
-      Log.e(LOG_TAG, flutterResult.error);
-    }
-    else if (flutterResult.result != null) {
-      Map<String, Object> res = (Map<String, Object>) flutterResult.result;
-      String contentType = (String) res.get("contentType");
-      String contentEncoding = (String) res.get("contentEncoding");
-      byte[] data = (byte[]) res.get("data");
-      Map<String, String> responseHeaders = (Map<String, String>) res.get("headers");
-      Integer statusCode = (Integer) res.get("statusCode");
-      String reasonPhrase = (String) res.get("reasonPhrase");
+    if (response != null) {
+      String contentType = response.getContentType();
+      String contentEncoding = response.getContentEncoding();
+      byte[] data = response.getData();
+      Map<String, String> responseHeaders = response.getHeaders();
+      Integer statusCode = response.getStatusCode();
+      String reasonPhrase = response.getReasonPhrase();
 
       ByteArrayInputStream inputStream = (data != null) ? new ByteArrayInputStream(data) : null;
-
-      if ((responseHeaders == null && statusCode == null && reasonPhrase == null) || Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
-        return new WebResourceResponse(contentType, contentEncoding, inputStream);
-      } else {
+      
+      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && statusCode != null && reasonPhrase != null) {
         return new WebResourceResponse(contentType, contentEncoding, statusCode, reasonPhrase, responseHeaders, inputStream);
+      } else {
+        return new WebResourceResponse(contentType, contentEncoding, inputStream);
       }
     }
 
@@ -758,51 +741,49 @@ public class InAppWebViewClient extends WebViewClient {
   }
 
   @Override
-  public void onFormResubmission (final WebView view, final Message dontResend, final Message resend) {
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("url", view.getUrl());
-
-    channel.invokeMethod("onFormResubmission", obj, new MethodChannel.Result() {
+  public void onFormResubmission(final WebView view, final Message dontResend, final Message resend) {
+    final InAppWebView webView = (InAppWebView) view;
+    final EventChannelDelegate.FormResubmissionCallback callback = new EventChannelDelegate.FormResubmissionCallback() {
+      @Override
+      public boolean nonNullSuccess(@NonNull Integer action) {
+        switch (action) {
+          case 0:
+            resend.sendToTarget();
+            break;
+          case 1:
+          default:
+            dontResend.sendToTarget();
+        }
+        return false;
+      }
 
       @Override
-      public void success(@Nullable Object response) {
-        if (response != null) {
-          Map<String, Object> responseMap = (Map<String, Object>) response;
-          Integer action = (Integer) responseMap.get("action");
-          if (action != null) {
-            switch (action) {
-              case 0:
-                resend.sendToTarget();
-                return;
-              case 1:
-              default:
-                dontResend.sendToTarget();
-                return;
-            }
-          }
-        }
-
+      public void defaultBehaviour(@Nullable Integer result) {
         InAppWebViewClient.super.onFormResubmission(view, dontResend, resend);
       }
 
       @Override
       public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.e(LOG_TAG, "ERROR: " + errorCode + " " + errorMessage);
+        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
+        defaultBehaviour(null);
       }
+    };
 
-      @Override
-      public void notImplemented() {
-        InAppWebViewClient.super.onFormResubmission(view, dontResend, resend);
-      }
-    });
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onFormResubmission(webView.getUrl(), callback);
+    } else {
+      callback.defaultBehaviour(null);
+    }
   }
 
   @Override
   public void onPageCommitVisible(WebView view, String url) {
     super.onPageCommitVisible(view, url);
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("url", url);
-    channel.invokeMethod("onPageCommitVisible", obj);
+
+    final InAppWebView webView = (InAppWebView) view;
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onPageCommitVisible(url);
+    }
   }
 
   @RequiresApi(api = Build.VERSION_CODES.O)
@@ -810,16 +791,10 @@ public class InAppWebViewClient extends WebViewClient {
   public boolean onRenderProcessGone(WebView view, RenderProcessGoneDetail detail) {
     final InAppWebView webView = (InAppWebView) view;
 
-    if (webView.customSettings.useOnRenderProcessGone) {
-      Boolean didCrash = detail.didCrash();
-      Integer rendererPriorityAtExit = detail.rendererPriorityAtExit();
-
-      Map<String, Object> obj = new HashMap<>();
-      obj.put("didCrash", didCrash);
-      obj.put("rendererPriorityAtExit", rendererPriorityAtExit);
-
-      channel.invokeMethod("onRenderProcessGone", obj);
-
+    if (webView.customSettings.useOnRenderProcessGone && webView.eventChannelDelegate != null) {
+      boolean didCrash = detail.didCrash();
+      int rendererPriorityAtExit = detail.rendererPriorityAtExit();
+      webView.eventChannelDelegate.onRenderProcessGone(didCrash, rendererPriorityAtExit);
       return true;
     }
 
@@ -828,18 +803,14 @@ public class InAppWebViewClient extends WebViewClient {
 
   @Override
   public void onReceivedLoginRequest(WebView view, String realm, String account, String args) {
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("realm", realm);
-    obj.put("account", account);
-    obj.put("args", args);
-
-    channel.invokeMethod("onReceivedLoginRequest", obj);
+    final InAppWebView webView = (InAppWebView) view;
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onReceivedLoginRequest(realm, account, args);
+    }
   }
 
   @Override
-  public void onUnhandledKeyEvent(WebView view, KeyEvent event) {
-
-  }
+  public void onUnhandledKeyEvent(WebView view, KeyEvent event) {}
 
   public void dispose() {
     if (inAppBrowserDelegate != null) {

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_webview/InAppWebViewRenderProcessClient.java

@@ -9,88 +9,86 @@ import androidx.webkit.WebViewFeature;
 import androidx.webkit.WebViewRenderProcess;
 import androidx.webkit.WebViewRenderProcessClient;
 
-import java.util.HashMap;
-import java.util.Map;
-
-import io.flutter.plugin.common.MethodChannel;
-
 public class InAppWebViewRenderProcessClient extends WebViewRenderProcessClient {
 
   protected static final String LOG_TAG = "IAWRenderProcessClient";
-  private final MethodChannel channel;
 
-  public InAppWebViewRenderProcessClient(MethodChannel channel) {
+  public InAppWebViewRenderProcessClient() {
     super();
-
-    this.channel = channel;
   }
 
   @Override
   public void onRenderProcessUnresponsive(@NonNull WebView view, @Nullable final WebViewRenderProcess renderer) {
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("url", view.getUrl());
-    channel.invokeMethod("onRenderProcessUnresponsive", obj, new MethodChannel.Result() {
+    final InAppWebView webView = (InAppWebView) view;
+    final EventChannelDelegate.RenderProcessUnresponsiveCallback callback = new EventChannelDelegate.RenderProcessUnresponsiveCallback() {
+      @Override
+      public boolean nonNullSuccess(@NonNull Integer action) {
+        if (renderer != null) {
+          switch (action) {
+            case 0:
+              if (WebViewFeature.isFeatureSupported(WebViewFeature.WEB_VIEW_RENDERER_TERMINATE))
+                renderer.terminate();
+              break;
+          }
+          return false;
+        }
+        return true;
+      }
 
       @Override
-      public void success(@Nullable Object response) {
-        if (response != null) {
-          Map<String, Object> responseMap = (Map<String, Object>) response;
-          Integer action = (Integer) responseMap.get("action");
-          if (action != null && renderer != null) {
-            switch (action) {
-              case 0:
-                if (WebViewFeature.isFeatureSupported(WebViewFeature.WEB_VIEW_RENDERER_TERMINATE))
-                  renderer.terminate();
-                break;
-            }
-          }
-        }
+      public void defaultBehaviour(@Nullable Integer result) {
+        
       }
 
       @Override
       public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
         Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
+        defaultBehaviour(null);
       }
+    };
 
-      @Override
-      public void notImplemented() {
-
-      }
-    });
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onRenderProcessUnresponsive(webView.getUrl(), callback);
+    } else {
+      callback.defaultBehaviour(null);
+    }
   }
 
   @Override
   public void onRenderProcessResponsive(@NonNull WebView view, @Nullable final WebViewRenderProcess renderer) {
-    Map<String, Object> obj = new HashMap<>();
-    obj.put("url", view.getUrl());
-    channel.invokeMethod("onRenderProcessResponsive", obj, new MethodChannel.Result() {
+    final InAppWebView webView = (InAppWebView) view;
+    final EventChannelDelegate.RenderProcessResponsiveCallback callback = new EventChannelDelegate.RenderProcessResponsiveCallback() {
+      @Override
+      public boolean nonNullSuccess(@NonNull Integer action) {
+        if (renderer != null) {
+          switch (action) {
+            case 0:
+              if (WebViewFeature.isFeatureSupported(WebViewFeature.WEB_VIEW_RENDERER_TERMINATE))
+                renderer.terminate();
+              break;
+          }
+          return false;
+        }
+        return true;
+      }
 
       @Override
-      public void success(@Nullable Object response) {
-        if (response != null) {
-          Map<String, Object> responseMap = (Map<String, Object>) response;
-          Integer action = (Integer) responseMap.get("action");
-          if (action != null && renderer != null) {
-            switch (action) {
-              case 0:
-                if (WebViewFeature.isFeatureSupported(WebViewFeature.WEB_VIEW_RENDERER_TERMINATE))
-                  renderer.terminate();
-                break;
-            }
-          }
-        }
+      public void defaultBehaviour(@Nullable Integer result) {
+
       }
 
       @Override
       public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
         Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
+        defaultBehaviour(null);
       }
+    };
 
-      @Override
-      public void notImplemented() {
-
-      }
-    });
+    if (webView.eventChannelDelegate != null) {
+      webView.eventChannelDelegate.onRenderProcessResponsive(webView.getUrl(), callback);
+    } else {
+      callback.defaultBehaviour(null);
+    }
   }
 
   void dispose() {

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/BaseCallbackResultImpl.java

@@ -0,0 +1,47 @@
+package com.pichillilorenzo.flutter_inappwebview.types;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+public class BaseCallbackResultImpl<T> implements ICallbackResult<T> {
+  @Override
+  public boolean nonNullSuccess(@NonNull T result) {
+    return true;
+  }
+
+  @Override
+  public boolean nullSuccess() {
+    return true;
+  }
+
+  @Override
+  public void defaultBehaviour(@Nullable T result) {}
+
+  @Override
+  public void success(@Nullable Object obj) {
+    T result = decodeResult(obj);
+    boolean shouldRunDefaultBehaviour;
+    if (result == null) {
+      shouldRunDefaultBehaviour = nullSuccess();
+    } else {
+      shouldRunDefaultBehaviour = nonNullSuccess(result);
+    }
+    if (shouldRunDefaultBehaviour) {
+      defaultBehaviour(result);
+    }
+  }
+
+  @Nullable
+  @Override
+  public T decodeResult(@Nullable Object obj) {
+    return null;
+  }
+
+  @Override
+  public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {}
+
+  @Override
+  public void notImplemented() {
+    defaultBehaviour(null);
+  }
+}

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/ClientCertResponse.java

@@ -0,0 +1,105 @@
+package com.pichillilorenzo.flutter_inappwebview.types;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import java.util.Map;
+
+public class ClientCertResponse {
+  @NonNull
+  private String certificatePath;
+  @Nullable
+  private String certificatePassword;
+  @NonNull
+  private String keyStoreType;
+  @Nullable
+  private Integer action;
+
+  public ClientCertResponse(@NonNull String certificatePath, @Nullable String certificatePassword, @NonNull String keyStoreType, @Nullable Integer action) {
+    this.certificatePath = certificatePath;
+    this.certificatePassword = certificatePassword;
+    this.keyStoreType = keyStoreType;
+    this.action = action;
+  }
+
+  @Nullable
+  public static ClientCertResponse fromMap(@Nullable Map<String, Object> map) {
+    if (map == null) {
+      return null;
+    }
+    String certificatePath = (String) map.get("certificatePath");
+    String certificatePassword = (String) map.get("certificatePassword");
+    String keyStoreType = (String) map.get("keyStoreType");
+    Integer action = (Integer) map.get("action");
+    return new ClientCertResponse(certificatePath, certificatePassword, keyStoreType, action);
+  }
+
+  @NonNull
+  public String getCertificatePath() {
+    return certificatePath;
+  }
+
+  public void setCertificatePath(@NonNull String certificatePath) {
+    this.certificatePath = certificatePath;
+  }
+
+  @Nullable
+  public String getCertificatePassword() {
+    return certificatePassword;
+  }
+
+  public void setCertificatePassword(@Nullable String certificatePassword) {
+    this.certificatePassword = certificatePassword;
+  }
+
+  @NonNull
+  public String getKeyStoreType() {
+    return keyStoreType;
+  }
+
+  public void setKeyStoreType(@NonNull String keyStoreType) {
+    this.keyStoreType = keyStoreType;
+  }
+
+  @Nullable
+  public Integer getAction() {
+    return action;
+  }
+
+  public void setAction(@Nullable Integer action) {
+    this.action = action;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (o == null || getClass() != o.getClass()) return false;
+
+    ClientCertResponse that = (ClientCertResponse) o;
+
+    if (!certificatePath.equals(that.certificatePath)) return false;
+    if (certificatePassword != null ? !certificatePassword.equals(that.certificatePassword) : that.certificatePassword != null)
+      return false;
+    if (!keyStoreType.equals(that.keyStoreType)) return false;
+    return action != null ? action.equals(that.action) : that.action == null;
+  }
+
+  @Override
+  public int hashCode() {
+    int result = certificatePath.hashCode();
+    result = 31 * result + (certificatePassword != null ? certificatePassword.hashCode() : 0);
+    result = 31 * result + keyStoreType.hashCode();
+    result = 31 * result + (action != null ? action.hashCode() : 0);
+    return result;
+  }
+
+  @Override
+  public String toString() {
+    return "ClientCertResponse{" +
+            "certificatePath='" + certificatePath + '\'' +
+            ", certificatePassword='" + certificatePassword + '\'' +
+            ", keyStoreType='" + keyStoreType + '\'' +
+            ", action=" + action +
+            '}';
+  }
+}

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/CustomSchemeResponse.java

@@ -0,0 +1,89 @@
+package com.pichillilorenzo.flutter_inappwebview.types;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import java.util.Arrays;
+import java.util.Map;
+
+public class CustomSchemeResponse {
+  @NonNull
+  private byte[] data;
+  @NonNull
+  private String contentType;
+  @NonNull
+  private String contentEncoding;
+
+  public CustomSchemeResponse(@NonNull byte[] data, @NonNull String contentType, @NonNull String contentEncoding) {
+    this.data = data;
+    this.contentType = contentType;
+    this.contentEncoding = contentEncoding;
+  }
+
+  @Nullable
+  public static CustomSchemeResponse fromMap(@Nullable Map<String, Object> map) {
+    if (map == null) {
+      return null;
+    }
+    byte[] data = (byte[]) map.get("data");
+    String contentType = (String) map.get("contentType");
+    String contentEncoding = (String) map.get("contentEncoding");
+    return new CustomSchemeResponse(data, contentType, contentEncoding);
+  }
+
+  @NonNull
+  public byte[] getData() {
+    return data;
+  }
+
+  public void setData(@NonNull byte[] data) {
+    this.data = data;
+  }
+
+  @NonNull
+  public String getContentType() {
+    return contentType;
+  }
+
+  public void setContentType(@NonNull String contentType) {
+    this.contentType = contentType;
+  }
+
+  @NonNull
+  public String getContentEncoding() {
+    return contentEncoding;
+  }
+
+  public void setContentEncoding(@NonNull String contentEncoding) {
+    this.contentEncoding = contentEncoding;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (o == null || getClass() != o.getClass()) return false;
+
+    CustomSchemeResponse that = (CustomSchemeResponse) o;
+
+    if (!Arrays.equals(data, that.data)) return false;
+    if (!contentType.equals(that.contentType)) return false;
+    return contentEncoding.equals(that.contentEncoding);
+  }
+
+  @Override
+  public int hashCode() {
+    int result = Arrays.hashCode(data);
+    result = 31 * result + contentType.hashCode();
+    result = 31 * result + contentEncoding.hashCode();
+    return result;
+  }
+
+  @Override
+  public String toString() {
+    return "CustomSchemeResponse{" +
+            "data=" + Arrays.toString(data) +
+            ", contentType='" + contentType + '\'' +
+            ", contentEncoding='" + contentEncoding + '\'' +
+            '}';
+  }
+}

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/GeolocationPermissionShowPromptResponse.java

@@ -0,0 +1,84 @@
+package com.pichillilorenzo.flutter_inappwebview.types;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import java.util.Map;
+
+public class GeolocationPermissionShowPromptResponse {
+  @NonNull
+  private String origin;
+  boolean allow;
+  boolean retain;
+
+  public GeolocationPermissionShowPromptResponse(@NonNull String origin, boolean allow, boolean retain) {
+    this.origin = origin;
+    this.allow = allow;
+    this.retain = retain;
+  }
+
+  @Nullable
+  public static GeolocationPermissionShowPromptResponse fromMap(@Nullable Map<String, Object> map) {
+    if (map == null) {
+      return null;
+    }
+    String origin = (String) map.get("origin");
+    boolean allow = (boolean) map.get("allow");
+    boolean retain = (boolean) map.get("retain");
+    return new GeolocationPermissionShowPromptResponse(origin, allow, retain);
+  }
+
+  @NonNull
+  public String getOrigin() {
+    return origin;
+  }
+
+  public void setOrigin(@NonNull String origin) {
+    this.origin = origin;
+  }
+
+  public boolean isAllow() {
+    return allow;
+  }
+
+  public void setAllow(boolean allow) {
+    this.allow = allow;
+  }
+
+  public boolean isRetain() {
+    return retain;
+  }
+
+  public void setRetain(boolean retain) {
+    this.retain = retain;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (o == null || getClass() != o.getClass()) return false;
+
+    GeolocationPermissionShowPromptResponse that = (GeolocationPermissionShowPromptResponse) o;
+
+    if (allow != that.allow) return false;
+    if (retain != that.retain) return false;
+    return origin.equals(that.origin);
+  }
+
+  @Override
+  public int hashCode() {
+    int result = origin.hashCode();
+    result = 31 * result + (allow ? 1 : 0);
+    result = 31 * result + (retain ? 1 : 0);
+    return result;
+  }
+
+  @Override
+  public String toString() {
+    return "GeolocationPermissionShowPromptResponse{" +
+            "origin='" + origin + '\'' +
+            ", allow=" + allow +
+            ", retain=" + retain +
+            '}';
+  }
+}

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/HttpAuthResponse.java

@@ -0,0 +1,102 @@
+package com.pichillilorenzo.flutter_inappwebview.types;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import java.util.Map;
+
+public class HttpAuthResponse {
+  @NonNull
+  private String username;
+  @NonNull
+  private String password;
+  boolean permanentPersistence;
+  @Nullable
+  private Integer action;
+
+  public HttpAuthResponse(@NonNull String username, @NonNull String password, boolean permanentPersistence, @Nullable Integer action) {
+    this.username = username;
+    this.password = password;
+    this.permanentPersistence = permanentPersistence;
+    this.action = action;
+  }
+
+  @Nullable
+  public static HttpAuthResponse fromMap(@Nullable Map<String, Object> map) {
+    if (map == null) {
+      return null;
+    }
+    String username = (String) map.get("username");
+    String password = (String) map.get("password");
+    boolean permanentPersistence = (boolean) map.get("permanentPersistence");
+    Integer action = (Integer) map.get("action");
+    return new HttpAuthResponse(username, password, permanentPersistence, action);
+  }
+
+  @NonNull
+  public String getUsername() {
+    return username;
+  }
+
+  public void setUsername(@NonNull String username) {
+    this.username = username;
+  }
+
+  @NonNull
+  public String getPassword() {
+    return password;
+  }
+
+  public void setPassword(@NonNull String password) {
+    this.password = password;
+  }
+
+  public boolean isPermanentPersistence() {
+    return permanentPersistence;
+  }
+
+  public void setPermanentPersistence(boolean permanentPersistence) {
+    this.permanentPersistence = permanentPersistence;
+  }
+
+  @Nullable
+  public Integer getAction() {
+    return action;
+  }
+
+  public void setAction(@Nullable Integer action) {
+    this.action = action;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (o == null || getClass() != o.getClass()) return false;
+
+    HttpAuthResponse that = (HttpAuthResponse) o;
+
+    if (permanentPersistence != that.permanentPersistence) return false;
+    if (!username.equals(that.username)) return false;
+    if (!password.equals(that.password)) return false;
+    return action != null ? action.equals(that.action) : that.action == null;
+  }
+
+  @Override
+  public int hashCode() {
+    int result = username.hashCode();
+    result = 31 * result + password.hashCode();
+    result = 31 * result + (permanentPersistence ? 1 : 0);
+    result = 31 * result + (action != null ? action.hashCode() : 0);
+    return result;
+  }
+
+  @Override
+  public String toString() {
+    return "HttpAuthResponse{" +
+            "username='" + username + '\'' +
+            ", password='" + password + '\'' +
+            ", permanentPersistence=" + permanentPersistence +
+            ", action=" + action +
+            '}';
+  }
+}

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/ICallbackResult.java

@@ -0,0 +1,13 @@
+package com.pichillilorenzo.flutter_inappwebview.types;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import io.flutter.plugin.common.MethodChannel;
+
+public interface ICallbackResult<T> extends MethodChannel.Result {
+  boolean nonNullSuccess(@NonNull T result);
+  boolean nullSuccess();
+  void defaultBehaviour(@Nullable T result);
+  @Nullable T decodeResult(@Nullable Object obj);
+}

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/InAppWebViewInterface.java

@@ -8,9 +8,12 @@ import android.webkit.ValueCallback;
 import android.webkit.WebMessage;
 import android.webkit.WebView;
 
+import androidx.annotation.Nullable;
+
 import com.pichillilorenzo.flutter_inappwebview.InAppWebViewFlutterPlugin;
 import com.pichillilorenzo.flutter_inappwebview.in_app_browser.InAppBrowserDelegate;
 import com.pichillilorenzo.flutter_inappwebview.in_app_webview.InAppWebViewSettings;
+import com.pichillilorenzo.flutter_inappwebview.in_app_webview.EventChannelDelegate;
 
 import java.io.IOException;
 import java.util.HashMap;
@@ -102,4 +105,7 @@ public interface InAppWebViewInterface {
   Looper getWebViewLooper();
   boolean isInFullscreen();
   void setInFullscreen(boolean inFullscreen);
+  @Nullable
+  EventChannelDelegate getEventChannelDelegate();
+  void setEventChannelDelegate(@Nullable EventChannelDelegate eventChannelDelegate);
 }

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/JsAlertResponse.java

@@ -0,0 +1,98 @@
+package com.pichillilorenzo.flutter_inappwebview.types;
+
+import androidx.annotation.Nullable;
+
+import java.util.Map;
+
+public class JsAlertResponse {
+  private String message;
+  private String confirmButtonTitle;
+  private boolean handledByClient;
+  @Nullable
+  private Integer action;
+
+  public JsAlertResponse(String message, String confirmButtonTitle, boolean handledByClient, @Nullable Integer action) {
+    this.message = message;
+    this.confirmButtonTitle = confirmButtonTitle;
+    this.handledByClient = handledByClient;
+    this.action = action;
+  }
+
+  @Nullable
+  public static JsAlertResponse fromMap(@Nullable Map<String, Object> map) {
+    if (map == null) {
+      return null;
+    }
+    String message = (String) map.get("message");
+    String confirmButtonTitle = (String) map.get("confirmButtonTitle");
+    boolean handledByClient = (boolean) map.get("handledByClient");
+    Integer action = (Integer) map.get("action");
+    return new JsAlertResponse(message, confirmButtonTitle, handledByClient, action);
+  }
+
+  public String getMessage() {
+    return message;
+  }
+
+  public void setMessage(String message) {
+    this.message = message;
+  }
+
+  public String getConfirmButtonTitle() {
+    return confirmButtonTitle;
+  }
+
+  public void setConfirmButtonTitle(String confirmButtonTitle) {
+    this.confirmButtonTitle = confirmButtonTitle;
+  }
+
+  public boolean isHandledByClient() {
+    return handledByClient;
+  }
+
+  public void setHandledByClient(boolean handledByClient) {
+    this.handledByClient = handledByClient;
+  }
+
+  @Nullable
+  public Integer getAction() {
+    return action;
+  }
+
+  public void setAction(@Nullable Integer action) {
+    this.action = action;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (o == null || getClass() != o.getClass()) return false;
+
+    JsAlertResponse that = (JsAlertResponse) o;
+
+    if (handledByClient != that.handledByClient) return false;
+    if (message != null ? !message.equals(that.message) : that.message != null) return false;
+    if (confirmButtonTitle != null ? !confirmButtonTitle.equals(that.confirmButtonTitle) : that.confirmButtonTitle != null)
+      return false;
+    return action != null ? action.equals(that.action) : that.action == null;
+  }
+
+  @Override
+  public int hashCode() {
+    int result = message != null ? message.hashCode() : 0;
+    result = 31 * result + (confirmButtonTitle != null ? confirmButtonTitle.hashCode() : 0);
+    result = 31 * result + (handledByClient ? 1 : 0);
+    result = 31 * result + (action != null ? action.hashCode() : 0);
+    return result;
+  }
+
+  @Override
+  public String toString() {
+    return "JsAlertResponse{" +
+            "message='" + message + '\'' +
+            ", confirmButtonTitle='" + confirmButtonTitle + '\'' +
+            ", handledByClient=" + handledByClient +
+            ", action=" + action +
+            '}';
+  }
+}

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/JsBeforeUnloadResponse.java

@@ -0,0 +1,113 @@
+package com.pichillilorenzo.flutter_inappwebview.types;
+
+import androidx.annotation.Nullable;
+
+import java.util.Map;
+
+public class JsBeforeUnloadResponse {
+  private String message;
+  private String confirmButtonTitle;
+  private String cancelButtonTitle;
+  private boolean handledByClient;
+  @Nullable
+  private Integer action;
+
+  public JsBeforeUnloadResponse(String message, String confirmButtonTitle, String cancelButtonTitle, boolean handledByClient, @Nullable Integer action) {
+    this.message = message;
+    this.confirmButtonTitle = confirmButtonTitle;
+    this.cancelButtonTitle = cancelButtonTitle;
+    this.handledByClient = handledByClient;
+    this.action = action;
+  }
+
+  @Nullable
+  public static JsBeforeUnloadResponse fromMap(@Nullable Map<String, Object> map) {
+    if (map == null) {
+      return null;
+    }
+    String message = (String) map.get("message");
+    String confirmButtonTitle = (String) map.get("confirmButtonTitle");
+    String cancelButtonTitle = (String) map.get("cancelButtonTitle");
+    boolean handledByClient = (boolean) map.get("handledByClient");
+    Integer action = (Integer) map.get("action");
+    return new JsBeforeUnloadResponse(message, confirmButtonTitle, cancelButtonTitle, handledByClient, action);
+  }
+
+  public String getMessage() {
+    return message;
+  }
+
+  public void setMessage(String message) {
+    this.message = message;
+  }
+
+  public String getConfirmButtonTitle() {
+    return confirmButtonTitle;
+  }
+
+  public void setConfirmButtonTitle(String confirmButtonTitle) {
+    this.confirmButtonTitle = confirmButtonTitle;
+  }
+
+  public String getCancelButtonTitle() {
+    return cancelButtonTitle;
+  }
+
+  public void setCancelButtonTitle(String cancelButtonTitle) {
+    this.cancelButtonTitle = cancelButtonTitle;
+  }
+
+  public boolean isHandledByClient() {
+    return handledByClient;
+  }
+
+  public void setHandledByClient(boolean handledByClient) {
+    this.handledByClient = handledByClient;
+  }
+
+  @Nullable
+  public Integer getAction() {
+    return action;
+  }
+
+  public void setAction(@Nullable Integer action) {
+    this.action = action;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (o == null || getClass() != o.getClass()) return false;
+
+    JsBeforeUnloadResponse that = (JsBeforeUnloadResponse) o;
+
+    if (handledByClient != that.handledByClient) return false;
+    if (message != null ? !message.equals(that.message) : that.message != null) return false;
+    if (confirmButtonTitle != null ? !confirmButtonTitle.equals(that.confirmButtonTitle) : that.confirmButtonTitle != null)
+      return false;
+    if (cancelButtonTitle != null ? !cancelButtonTitle.equals(that.cancelButtonTitle) : that.cancelButtonTitle != null)
+      return false;
+    return action != null ? action.equals(that.action) : that.action == null;
+  }
+
+  @Override
+  public int hashCode() {
+    int result = message != null ? message.hashCode() : 0;
+    result = 31 * result + (confirmButtonTitle != null ? confirmButtonTitle.hashCode() : 0);
+    result = 31 * result + (cancelButtonTitle != null ? cancelButtonTitle.hashCode() : 0);
+    result = 31 * result + (handledByClient ? 1 : 0);
+    result = 31 * result + (action != null ? action.hashCode() : 0);
+    return result;
+  }
+
+  @Override
+  public String toString() {
+    return "JsConfirmResponse{" +
+            "message='" + message + '\'' +
+            ", confirmButtonTitle='" + confirmButtonTitle + '\'' +
+            ", cancelButtonTitle='" + cancelButtonTitle + '\'' +
+            ", handledByClient=" + handledByClient +
+            ", action=" + action +
+            '}';
+  }
+}

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/JsConfirmResponse.java

@@ -0,0 +1,113 @@
+package com.pichillilorenzo.flutter_inappwebview.types;
+
+import androidx.annotation.Nullable;
+
+import java.util.Map;
+
+public class JsConfirmResponse {
+  private String message;
+  private String confirmButtonTitle;
+  private String cancelButtonTitle;
+  private boolean handledByClient;
+  @Nullable
+  private Integer action;
+
+  public JsConfirmResponse(String message, String confirmButtonTitle, String cancelButtonTitle, boolean handledByClient, @Nullable Integer action) {
+    this.message = message;
+    this.confirmButtonTitle = confirmButtonTitle;
+    this.cancelButtonTitle = cancelButtonTitle;
+    this.handledByClient = handledByClient;
+    this.action = action;
+  }
+
+  @Nullable
+  public static JsConfirmResponse fromMap(@Nullable Map<String, Object> map) {
+    if (map == null) {
+      return null;
+    }
+    String message = (String) map.get("message");
+    String confirmButtonTitle = (String) map.get("confirmButtonTitle");
+    String cancelButtonTitle = (String) map.get("cancelButtonTitle");
+    boolean handledByClient = (boolean) map.get("handledByClient");
+    Integer action = (Integer) map.get("action");
+    return new JsConfirmResponse(message, confirmButtonTitle, cancelButtonTitle, handledByClient, action);
+  }
+
+  public String getMessage() {
+    return message;
+  }
+
+  public void setMessage(String message) {
+    this.message = message;
+  }
+
+  public String getConfirmButtonTitle() {
+    return confirmButtonTitle;
+  }
+
+  public void setConfirmButtonTitle(String confirmButtonTitle) {
+    this.confirmButtonTitle = confirmButtonTitle;
+  }
+
+  public String getCancelButtonTitle() {
+    return cancelButtonTitle;
+  }
+
+  public void setCancelButtonTitle(String cancelButtonTitle) {
+    this.cancelButtonTitle = cancelButtonTitle;
+  }
+
+  public boolean isHandledByClient() {
+    return handledByClient;
+  }
+
+  public void setHandledByClient(boolean handledByClient) {
+    this.handledByClient = handledByClient;
+  }
+
+  @Nullable
+  public Integer getAction() {
+    return action;
+  }
+
+  public void setAction(@Nullable Integer action) {
+    this.action = action;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (o == null || getClass() != o.getClass()) return false;
+
+    JsConfirmResponse that = (JsConfirmResponse) o;
+
+    if (handledByClient != that.handledByClient) return false;
+    if (message != null ? !message.equals(that.message) : that.message != null) return false;
+    if (confirmButtonTitle != null ? !confirmButtonTitle.equals(that.confirmButtonTitle) : that.confirmButtonTitle != null)
+      return false;
+    if (cancelButtonTitle != null ? !cancelButtonTitle.equals(that.cancelButtonTitle) : that.cancelButtonTitle != null)
+      return false;
+    return action != null ? action.equals(that.action) : that.action == null;
+  }
+
+  @Override
+  public int hashCode() {
+    int result = message != null ? message.hashCode() : 0;
+    result = 31 * result + (confirmButtonTitle != null ? confirmButtonTitle.hashCode() : 0);
+    result = 31 * result + (cancelButtonTitle != null ? cancelButtonTitle.hashCode() : 0);
+    result = 31 * result + (handledByClient ? 1 : 0);
+    result = 31 * result + (action != null ? action.hashCode() : 0);
+    return result;
+  }
+
+  @Override
+  public String toString() {
+    return "JsConfirmResponse{" +
+            "message='" + message + '\'' +
+            ", confirmButtonTitle='" + confirmButtonTitle + '\'' +
+            ", cancelButtonTitle='" + cancelButtonTitle + '\'' +
+            ", handledByClient=" + handledByClient +
+            ", action=" + action +
+            '}';
+  }
+}

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/JsPromptResponse.java

@@ -0,0 +1,145 @@
+package com.pichillilorenzo.flutter_inappwebview.types;
+
+import androidx.annotation.Nullable;
+
+import java.util.Map;
+
+public class JsPromptResponse {
+  private String message;
+  private String defaultValue;
+  private String confirmButtonTitle;
+  private String cancelButtonTitle;
+  private boolean handledByClient;
+  @Nullable
+  private String value;
+  @Nullable
+  private Integer action;
+
+  public JsPromptResponse(String message, String defaultValue, String confirmButtonTitle, 
+                          String cancelButtonTitle, boolean handledByClient, @Nullable String value, @Nullable Integer action) {
+    this.message = message;
+    this.defaultValue = defaultValue;
+    this.confirmButtonTitle = confirmButtonTitle;
+    this.cancelButtonTitle = cancelButtonTitle;
+    this.handledByClient = handledByClient;
+    this.value = value;
+    this.action = action;
+  }
+
+  @Nullable
+  public static JsPromptResponse fromMap(@Nullable Map<String, Object> map) {
+    if (map == null) {
+      return null;
+    }
+    String message = (String) map.get("message");
+    String defaultValue = (String) map.get("defaultValue");
+    String confirmButtonTitle = (String) map.get("confirmButtonTitle");
+    String cancelButtonTitle = (String) map.get("cancelButtonTitle");
+    boolean handledByClient = (boolean) map.get("handledByClient");
+    String value = (String) map.get("value");
+    Integer action = (Integer) map.get("action");
+    return new JsPromptResponse(message, defaultValue, confirmButtonTitle, cancelButtonTitle, handledByClient, value, action);
+  }
+
+  public String getMessage() {
+    return message;
+  }
+
+  public void setMessage(String message) {
+    this.message = message;
+  }
+
+  public String getDefaultValue() {
+    return defaultValue;
+  }
+
+  public void setDefaultValue(String defaultValue) {
+    this.defaultValue = defaultValue;
+  }
+
+  public String getConfirmButtonTitle() {
+    return confirmButtonTitle;
+  }
+
+  public void setConfirmButtonTitle(String confirmButtonTitle) {
+    this.confirmButtonTitle = confirmButtonTitle;
+  }
+
+  public String getCancelButtonTitle() {
+    return cancelButtonTitle;
+  }
+
+  public void setCancelButtonTitle(String cancelButtonTitle) {
+    this.cancelButtonTitle = cancelButtonTitle;
+  }
+
+  public boolean isHandledByClient() {
+    return handledByClient;
+  }
+
+  public void setHandledByClient(boolean handledByClient) {
+    this.handledByClient = handledByClient;
+  }
+
+  @Nullable
+  public String getValue() {
+    return value;
+  }
+
+  public void setValue(@Nullable String value) {
+    this.value = value;
+  }
+
+  @Nullable
+  public Integer getAction() {
+    return action;
+  }
+
+  public void setAction(@Nullable Integer action) {
+    this.action = action;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (o == null || getClass() != o.getClass()) return false;
+
+    JsPromptResponse that = (JsPromptResponse) o;
+
+    if (handledByClient != that.handledByClient) return false;
+    if (message != null ? !message.equals(that.message) : that.message != null) return false;
+    if (defaultValue != null ? !defaultValue.equals(that.defaultValue) : that.defaultValue != null)
+      return false;
+    if (confirmButtonTitle != null ? !confirmButtonTitle.equals(that.confirmButtonTitle) : that.confirmButtonTitle != null)
+      return false;
+    if (cancelButtonTitle != null ? !cancelButtonTitle.equals(that.cancelButtonTitle) : that.cancelButtonTitle != null)
+      return false;
+    if (value != null ? !value.equals(that.value) : that.value != null) return false;
+    return action != null ? action.equals(that.action) : that.action == null;
+  }
+
+  @Override
+  public int hashCode() {
+    int result = message != null ? message.hashCode() : 0;
+    result = 31 * result + (defaultValue != null ? defaultValue.hashCode() : 0);
+    result = 31 * result + (confirmButtonTitle != null ? confirmButtonTitle.hashCode() : 0);
+    result = 31 * result + (cancelButtonTitle != null ? cancelButtonTitle.hashCode() : 0);
+    result = 31 * result + (handledByClient ? 1 : 0);
+    result = 31 * result + (value != null ? value.hashCode() : 0);
+    result = 31 * result + (action != null ? action.hashCode() : 0);
+    return result;
+  }
+
+  @Override
+  public String toString() {
+    return "JsPromptResponse{" +
+            "message='" + message + '\'' +
+            ", defaultValue='" + defaultValue + '\'' +
+            ", confirmButtonTitle='" + confirmButtonTitle + '\'' +
+            ", cancelButtonTitle='" + cancelButtonTitle + '\'' +
+            ", handledByClient=" + handledByClient +
+            ", value='" + value + '\'' +
+            ", action=" + action +
+            '}';
+  }
+}

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/NavigationActionPolicy.java

@@ -15,7 +15,7 @@ public enum NavigationActionPolicy {
   }
 
   public static NavigationActionPolicy fromValue(int value) {
-    for( NavigationActionPolicy type : NavigationActionPolicy.values()) {
+    for(NavigationActionPolicy type : NavigationActionPolicy.values()) {
       if(value == type.value)
         return type;
     }

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/PermissionResponse.java

@@ -0,0 +1,73 @@
+package com.pichillilorenzo.flutter_inappwebview.types;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import java.util.List;
+import java.util.Map;
+
+public class PermissionResponse {
+  @NonNull
+  private List<String> resources;
+  @Nullable
+  private Integer action;
+
+  public PermissionResponse(@NonNull List<String> resources, @Nullable Integer action) {
+    this.resources = resources;
+    this.action = action;
+  }
+
+  @Nullable
+  public static PermissionResponse fromMap(@Nullable Map<String, Object> map) {
+    if (map == null) {
+      return null;
+    }
+    List<String> resources = (List<String>) map.get("resources");
+    Integer action = (Integer) map.get("action");
+    return new PermissionResponse(resources, action);
+  }
+
+  @NonNull
+  public List<String> getResources() {
+    return resources;
+  }
+
+  public void setResources(@NonNull List<String> resources) {
+    this.resources = resources;
+  }
+
+  @Nullable
+  public Integer getAction() {
+    return action;
+  }
+
+  public void setAction(@Nullable Integer action) {
+    this.action = action;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (o == null || getClass() != o.getClass()) return false;
+
+    PermissionResponse that = (PermissionResponse) o;
+
+    if (!resources.equals(that.resources)) return false;
+    return action != null ? action.equals(that.action) : that.action == null;
+  }
+
+  @Override
+  public int hashCode() {
+    int result = resources.hashCode();
+    result = 31 * result + (action != null ? action.hashCode() : 0);
+    return result;
+  }
+
+  @Override
+  public String toString() {
+    return "PermissionResponse{" +
+            "resources=" + resources +
+            ", action=" + action +
+            '}';
+  }
+}

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/SafeBrowsingResponse.java

@@ -0,0 +1,69 @@
+package com.pichillilorenzo.flutter_inappwebview.types;
+
+import androidx.annotation.Nullable;
+
+import java.util.Map;
+
+public class SafeBrowsingResponse {
+  private boolean report;
+  @Nullable
+  private Integer action;
+
+  public SafeBrowsingResponse(boolean report, @Nullable Integer action) {
+    this.report = report;
+    this.action = action;
+  }
+
+  @Nullable
+  public static SafeBrowsingResponse fromMap(@Nullable Map<String, Object> map) {
+    if (map == null) {
+      return null;
+    }
+    boolean report = (boolean) map.get("report");
+    Integer action = (Integer) map.get("action");
+    return new SafeBrowsingResponse(report, action);
+  }
+
+  public boolean isReport() {
+    return report;
+  }
+
+  public void setReport(boolean report) {
+    this.report = report;
+  }
+
+  @Nullable
+  public Integer getAction() {
+    return action;
+  }
+
+  public void setAction(@Nullable Integer action) {
+    this.action = action;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (o == null || getClass() != o.getClass()) return false;
+
+    SafeBrowsingResponse that = (SafeBrowsingResponse) o;
+
+    if (report != that.report) return false;
+    return action != null ? action.equals(that.action) : that.action == null;
+  }
+
+  @Override
+  public int hashCode() {
+    int result = (report ? 1 : 0);
+    result = 31 * result + (action != null ? action.hashCode() : 0);
+    return result;
+  }
+
+  @Override
+  public String toString() {
+    return "SafeBrowsingResponse{" +
+            "report=" + report +
+            ", action=" + action +
+            '}';
+  }
+}

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/ServerTrustAuthResponse.java

@@ -0,0 +1,54 @@
+package com.pichillilorenzo.flutter_inappwebview.types;
+
+import androidx.annotation.Nullable;
+
+import java.util.Map;
+
+public class ServerTrustAuthResponse {
+  @Nullable
+  private Integer action;
+
+  public ServerTrustAuthResponse(@Nullable Integer action) {
+    this.action = action;
+  }
+
+  @Nullable
+  public static ServerTrustAuthResponse fromMap(@Nullable Map<String, Object> map) {
+    if (map == null) {
+      return null;
+    }
+    Integer action = (Integer) map.get("action");
+    return new ServerTrustAuthResponse(action);
+  }
+
+  @Nullable
+  public Integer getAction() {
+    return action;
+  }
+
+  public void setAction(@Nullable Integer action) {
+    this.action = action;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (o == null || getClass() != o.getClass()) return false;
+
+    ServerTrustAuthResponse that = (ServerTrustAuthResponse) o;
+
+    return action != null ? action.equals(that.action) : that.action == null;
+  }
+
+  @Override
+  public int hashCode() {
+    return action != null ? action.hashCode() : 0;
+  }
+
+  @Override
+  public String toString() {
+    return "ServerTrustAuthResponse{" +
+            "action=" + action +
+            '}';
+  }
+}

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/SyncBaseCallbackResultImpl.java

@@ -0,0 +1,48 @@
+package com.pichillilorenzo.flutter_inappwebview.types;
+
+import androidx.annotation.CallSuper;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import java.util.concurrent.CountDownLatch;
+
+public class SyncBaseCallbackResultImpl<T> extends BaseCallbackResultImpl<T> {
+  final public CountDownLatch latch = new CountDownLatch(1);
+  @Nullable
+  public T result = null;
+
+  @CallSuper
+  @Override
+  public void defaultBehaviour(@Nullable T result) {
+    latch.countDown();
+  }
+
+  @Override
+  public void success(@Nullable Object obj) {
+    T result = decodeResult(obj);
+    this.result = result;
+    boolean shouldRunDefaultBehaviour;
+    if (result == null) {
+      shouldRunDefaultBehaviour = nullSuccess();
+    } else {
+      shouldRunDefaultBehaviour = nonNullSuccess(result);
+    }
+    if (shouldRunDefaultBehaviour) {
+      defaultBehaviour(result);
+    } else {
+      latch.countDown();
+    }
+  }
+  
+  @CallSuper
+  @Override
+  public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
+    latch.countDown();
+  }
+
+  @CallSuper
+  @Override
+  public void notImplemented() {
+    defaultBehaviour(null);
+  }
+}

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/types/WebResourceResponseExt.java

@@ -24,7 +24,8 @@ public class WebResourceResponseExt {
   @Nullable
   private byte[] data;
 
-  public WebResourceResponseExt(String contentType, String contentEncoding, @Nullable Integer statusCode, @Nullable String reasonPhrase, @Nullable Map<String, String> headers, @Nullable byte[] data) {
+  public WebResourceResponseExt(String contentType, String contentEncoding, @Nullable Integer statusCode, 
+                                @Nullable String reasonPhrase, @Nullable Map<String, String> headers, @Nullable byte[] data) {
     this.contentType = contentType;
     this.contentEncoding = contentEncoding;
     this.statusCode = statusCode;
@@ -51,6 +52,20 @@ public class WebResourceResponseExt {
     );
   }
 
+  @Nullable
+  public static WebResourceResponseExt fromMap(@Nullable Map<String, Object> map) {
+    if (map == null) {
+      return null;
+    }
+    String contentType = (String) map.get("contentType");
+    String contentEncoding = (String) map.get("contentEncoding");
+    Integer statusCode = (Integer) map.get("statusCode");
+    String reasonPhrase = (String) map.get("reasonPhrase");
+    Map<String, String> headers = (Map<String, String>) map.get("headers");
+    byte[] data = (byte[]) map.get("data");
+    return new WebResourceResponseExt(contentType, contentEncoding, statusCode, reasonPhrase, headers, data);
+  }
+
   public Map<String, Object> toMap() {
     Map<String, Object> webResourceResponseMap = new HashMap<>();
     webResourceResponseMap.put("contentType", contentType);

example/integration_test/in_app_webview/on_find_result_received.dart

@@ -47,6 +47,7 @@ void onFindResultReceived() {
     await pageLoaded.future;
 
     await tester.pump();
+    await Future.delayed(Duration(seconds: 1));
 
     await controller.findAllAsync(find: "InAppWebViewInitialFileTest");
     final int numberOfMatches = await numberOfMatchesCompleter.future;

example/integration_test/in_app_webview/on_received_error.dart

@@ -42,27 +42,6 @@ void onReceivedError() {
       expect(url, TEST_NOT_A_WEBSITE_URL.toString());
     });
 
-    testWidgets('file not found', (WidgetTester tester) async {
-      final Completer<WebResourceErrorType> errorCodeCompleter = Completer<WebResourceErrorType>();
-
-      await tester.pumpWidget(
-        Directionality(
-          textDirection: TextDirection.ltr,
-          child: InAppWebView(
-            key: GlobalKey(),
-            initialUrlRequest: URLRequest(url: Uri.parse('file:flutter.dev')),
-            onReceivedError: (controller, request, error) {
-              errorCodeCompleter.complete(error.type);
-            },
-          ),
-        ),
-      );
-
-      final WebResourceErrorType errorType = await errorCodeCompleter.future;
-
-      expect(errorType, WebResourceErrorType.FILE_NOT_FOUND);
-    });
-
     testWidgets('event is not called with valid url',
         (WidgetTester tester) async {
       final Completer<void> onReceivedErrorCompleter = Completer<void>();

example/integration_test/proxy_controller/clear_and_set_proxy_override.dart

@@ -53,8 +53,8 @@ void clearAndSetProxyOverride() {
     final String url = await pageLoaded.future;
     expect(url, TEST_URL_HTTP_EXAMPLE.toString());
 
-    expect(await controller.evaluateJavascript(source: "document.getElementById('url')"), TEST_URL_HTTP_EXAMPLE.toString());
-    expect(await controller.evaluateJavascript(source: "document.getElementById('method')"), "GET");
-    expect(await controller.evaluateJavascript(source: "document.getElementById('headers')"), isNotNull);
+    expect(await controller.evaluateJavascript(source: "document.getElementById('url').innerHTML;"), TEST_URL_HTTP_EXAMPLE.toString());
+    expect(await controller.evaluateJavascript(source: "document.getElementById('method').innerHTML;"), "GET");
+    expect(await controller.evaluateJavascript(source: "document.getElementById('headers').innerHTML;"), isNotNull);
   }, skip: shouldSkip);
 }

example/integration_test/service_worker_controller/should_intercept_request.dart

@@ -48,6 +48,6 @@ void shouldInterceptRequest() {
       ),
     );
 
-    expect(completer.future, completes);
+    await expectLater(completer.future, completes);
   }, skip: shouldSkip);
 }

example/ios/Flutter/flutter_export_environment.sh

@@ -3,12 +3,11 @@
 export "FLUTTER_ROOT=/Users/lorenzopichilli/fvm/versions/2.10.4"
 export "FLUTTER_APPLICATION_PATH=/Users/lorenzopichilli/Desktop/flutter_inappwebview/example"
 export "COCOAPODS_PARALLEL_CODE_SIGN=true"
-export "FLUTTER_TARGET=/Users/lorenzopichilli/Desktop/flutter_inappwebview/example/lib/main.dart"
+export "FLUTTER_TARGET=lib/main.dart"
 export "FLUTTER_BUILD_DIR=build"
 export "FLUTTER_BUILD_NAME=1.0.0"
 export "FLUTTER_BUILD_NUMBER=1"
-export "DART_DEFINES=Zmx1dHRlci5pbnNwZWN0b3Iuc3RydWN0dXJlZEVycm9ycz10cnVl,RkxVVFRFUl9XRUJfQVVUT19ERVRFQ1Q9dHJ1ZQ=="
 export "DART_OBFUSCATION=false"
-export "TRACK_WIDGET_CREATION=true"
+export "TRACK_WIDGET_CREATION=false"
 export "TREE_SHAKE_ICONS=false"
-export "PACKAGE_CONFIG=/Users/lorenzopichilli/Desktop/flutter_inappwebview/example/.dart_tool/package_config.json"
+export "PACKAGE_CONFIG=.packages"

lib/src/android/service_worker_controller.dart

@@ -45,7 +45,7 @@ class ServiceWorkerController {
 
   static Future<dynamic> _handleMethod(MethodCall call) async {
     ServiceWorkerController controller = ServiceWorkerController.instance();
-    ServiceWorkerClient? serviceWorkerClient = controller.serviceWorkerClient;
+    ServiceWorkerClient? serviceWorkerClient = controller._serviceWorkerClient;
 
     switch (call.method) {
       case "shouldInterceptRequest":

lib/src/in_app_webview/in_app_webview_settings.dart

@@ -1407,131 +1407,132 @@ class InAppWebViewSettings
           ReferrerPolicy.fromValue(map["iframeReferrerPolicy"]);
       settings.iframeName = map["iframeName"];
       settings.iframeCsp = map["iframeCsp"];
-    }
-    if (defaultTargetPlatform == TargetPlatform.android) {
-      settings.textZoom = map["textZoom"];
-      settings.clearSessionCache = map["clearSessionCache"];
-      settings.builtInZoomControls = map["builtInZoomControls"];
-      settings.displayZoomControls = map["displayZoomControls"];
-      settings.databaseEnabled = map["databaseEnabled"];
-      settings.domStorageEnabled = map["domStorageEnabled"];
-      settings.useWideViewPort = map["useWideViewPort"];
-      settings.safeBrowsingEnabled = map["safeBrowsingEnabled"];
-      settings.mixedContentMode =
-          MixedContentMode.fromValue(map["mixedContentMode"]);
-      settings.allowContentAccess = map["allowContentAccess"];
-      settings.allowFileAccess = map["allowFileAccess"];
-      settings.appCachePath = map["appCachePath"];
-      settings.blockNetworkImage = map["blockNetworkImage"];
-      settings.blockNetworkLoads = map["blockNetworkLoads"];
-      settings.cacheMode = CacheMode.fromValue(map["cacheMode"]);
-      settings.cursiveFontFamily = map["cursiveFontFamily"];
-      settings.defaultFixedFontSize = map["defaultFixedFontSize"];
-      settings.defaultFontSize = map["defaultFontSize"];
-      settings.defaultTextEncodingName = map["defaultTextEncodingName"];
-      settings.disabledActionModeMenuItems =
-          ActionModeMenuItem.fromValue(map["disabledActionModeMenuItems"]);
-      settings.fantasyFontFamily = map["fantasyFontFamily"];
-      settings.fixedFontFamily = map["fixedFontFamily"];
-      settings.forceDark = ForceDark.fromValue(map["forceDark"]);
-      settings.forceDarkStrategy = ForceDarkStrategy.fromValue(map["forceDarkStrategy"]);
-      settings.geolocationEnabled = map["geolocationEnabled"];
-      settings.layoutAlgorithm =
-          LayoutAlgorithm.fromValue(map["layoutAlgorithm"]);
-      settings.loadWithOverviewMode = map["loadWithOverviewMode"];
-      settings.loadsImagesAutomatically = map["loadsImagesAutomatically"];
-      settings.minimumLogicalFontSize = map["minimumLogicalFontSize"];
-      settings.initialScale = map["initialScale"];
-      settings.needInitialFocus = map["needInitialFocus"];
-      settings.offscreenPreRaster = map["offscreenPreRaster"];
-      settings.sansSerifFontFamily = map["sansSerifFontFamily"];
-      settings.serifFontFamily = map["serifFontFamily"];
-      settings.standardFontFamily = map["standardFontFamily"];
-      settings.saveFormData = map["saveFormData"];
-      settings.thirdPartyCookiesEnabled = map["thirdPartyCookiesEnabled"];
-      settings.hardwareAcceleration = map["hardwareAcceleration"];
-      settings.supportMultipleWindows = map["supportMultipleWindows"];
-      settings.regexToCancelSubFramesLoading =
-          map["regexToCancelSubFramesLoading"];
-      settings.useHybridComposition = map["useHybridComposition"];
-      settings.useShouldInterceptRequest = map["useShouldInterceptRequest"];
-      settings.useOnRenderProcessGone = map["useOnRenderProcessGone"];
-      settings.overScrollMode = OverScrollMode.fromValue(map["overScrollMode"]);
-      settings.networkAvailable = map["networkAvailable"];
-      settings.scrollBarStyle = ScrollBarStyle.fromValue(map["scrollBarStyle"]);
-      settings.verticalScrollbarPosition =
-          VerticalScrollbarPosition.fromValue(map["verticalScrollbarPosition"]);
-      settings.scrollBarDefaultDelayBeforeFade =
-          map["scrollBarDefaultDelayBeforeFade"];
-      settings.scrollbarFadingEnabled = map["scrollbarFadingEnabled"];
-      settings.scrollBarFadeDuration = map["scrollBarFadeDuration"];
-      settings.rendererPriorityPolicy = RendererPriorityPolicy.fromMap(
-          map["rendererPriorityPolicy"]?.cast<String, dynamic>());
-      settings.disableDefaultErrorPage = map["disableDefaultErrorPage"];
-      settings.verticalScrollbarThumbColor =
-          UtilColor.fromHex(map["verticalScrollbarThumbColor"]);
-      settings.verticalScrollbarTrackColor =
-          UtilColor.fromHex(map["verticalScrollbarTrackColor"]);
-      settings.horizontalScrollbarThumbColor =
-          UtilColor.fromHex(map["horizontalScrollbarThumbColor"]);
-      settings.horizontalScrollbarTrackColor =
-          UtilColor.fromHex(map["horizontalScrollbarTrackColor"]);
-    }
-    if (defaultTargetPlatform == TargetPlatform.iOS ||
-        defaultTargetPlatform == TargetPlatform.macOS) {
-      settings.disallowOverScroll = map["disallowOverScroll"];
-      settings.enableViewportScale = map["enableViewportScale"];
-      settings.suppressesIncrementalRendering =
-          map["suppressesIncrementalRendering"];
-      settings.allowsAirPlayForMediaPlayback =
-          map["allowsAirPlayForMediaPlayback"];
-      settings.allowsBackForwardNavigationGestures =
-          map["allowsBackForwardNavigationGestures"];
-      settings.allowsLinkPreview = map["allowsLinkPreview"];
-      settings.ignoresViewportScaleLimits = map["ignoresViewportScaleLimits"];
-      settings.allowsInlineMediaPlayback = map["allowsInlineMediaPlayback"];
-      settings.allowsPictureInPictureMediaPlayback =
-          map["allowsPictureInPictureMediaPlayback"];
-      settings.isFraudulentWebsiteWarningEnabled =
-          map["isFraudulentWebsiteWarningEnabled"];
-      settings.selectionGranularity =
-          SelectionGranularity.fromValue(map["selectionGranularity"])!;
-      settings.dataDetectorTypes = dataDetectorTypes;
-      settings.sharedCookiesEnabled = map["sharedCookiesEnabled"];
-      settings.automaticallyAdjustsScrollIndicatorInsets =
-          map["automaticallyAdjustsScrollIndicatorInsets"];
-      settings.accessibilityIgnoresInvertColors =
-          map["accessibilityIgnoresInvertColors"];
-      settings.decelerationRate =
-          ScrollViewDecelerationRate.fromValue(map["decelerationRate"])!;
-      settings.alwaysBounceVertical = map["alwaysBounceVertical"];
-      settings.alwaysBounceHorizontal = map["alwaysBounceHorizontal"];
-      settings.scrollsToTop = map["scrollsToTop"];
-      settings.isPagingEnabled = map["isPagingEnabled"];
-      settings.maximumZoomScale = map["maximumZoomScale"];
-      settings.minimumZoomScale = map["minimumZoomScale"];
-      settings.contentInsetAdjustmentBehavior =
-          ScrollViewContentInsetAdjustmentBehavior.fromValue(
-              map["contentInsetAdjustmentBehavior"])!;
-      settings.isDirectionalLockEnabled = map["isDirectionalLockEnabled"];
-      settings.mediaType = map["mediaType"];
-      settings.pageZoom = map["pageZoom"];
-      settings.limitsNavigationsToAppBoundDomains =
-          map["limitsNavigationsToAppBoundDomains"];
-      settings.useOnNavigationResponse = map["useOnNavigationResponse"];
-      settings.applePayAPIEnabled = map["applePayAPIEnabled"];
-      settings.allowingReadAccessTo = map["allowingReadAccessTo"] != null
-          ? Uri.parse(map["allowingReadAccessTo"])
-          : null;
-      settings.disableLongPressContextMenuOnLinks =
-          map["disableLongPressContextMenuOnLinks"];
-      settings.disableInputAccessoryView = map["disableInputAccessoryView"];
-      settings.underPageBackgroundColor =
-          UtilColor.fromHex(map["underPageBackgroundColor"]);
-      settings.isTextInteractionEnabled = map["isTextInteractionEnabled"];
-      settings.isSiteSpecificQuirksModeEnabled =
-          map["isSiteSpecificQuirksModeEnabled"];
-      settings.upgradeKnownHostsToHTTPS = map["upgradeKnownHostsToHTTPS"];
+    } else {
+      if (defaultTargetPlatform == TargetPlatform.android) {
+        settings.textZoom = map["textZoom"];
+        settings.clearSessionCache = map["clearSessionCache"];
+        settings.builtInZoomControls = map["builtInZoomControls"];
+        settings.displayZoomControls = map["displayZoomControls"];
+        settings.databaseEnabled = map["databaseEnabled"];
+        settings.domStorageEnabled = map["domStorageEnabled"];
+        settings.useWideViewPort = map["useWideViewPort"];
+        settings.safeBrowsingEnabled = map["safeBrowsingEnabled"];
+        settings.mixedContentMode =
+            MixedContentMode.fromValue(map["mixedContentMode"]);
+        settings.allowContentAccess = map["allowContentAccess"];
+        settings.allowFileAccess = map["allowFileAccess"];
+        settings.appCachePath = map["appCachePath"];
+        settings.blockNetworkImage = map["blockNetworkImage"];
+        settings.blockNetworkLoads = map["blockNetworkLoads"];
+        settings.cacheMode = CacheMode.fromValue(map["cacheMode"]);
+        settings.cursiveFontFamily = map["cursiveFontFamily"];
+        settings.defaultFixedFontSize = map["defaultFixedFontSize"];
+        settings.defaultFontSize = map["defaultFontSize"];
+        settings.defaultTextEncodingName = map["defaultTextEncodingName"];
+        settings.disabledActionModeMenuItems =
+            ActionModeMenuItem.fromValue(map["disabledActionModeMenuItems"]);
+        settings.fantasyFontFamily = map["fantasyFontFamily"];
+        settings.fixedFontFamily = map["fixedFontFamily"];
+        settings.forceDark = ForceDark.fromValue(map["forceDark"]);
+        settings.forceDarkStrategy = ForceDarkStrategy.fromValue(map["forceDarkStrategy"]);
+        settings.geolocationEnabled = map["geolocationEnabled"];
+        settings.layoutAlgorithm =
+            LayoutAlgorithm.fromValue(map["layoutAlgorithm"]);
+        settings.loadWithOverviewMode = map["loadWithOverviewMode"];
+        settings.loadsImagesAutomatically = map["loadsImagesAutomatically"];
+        settings.minimumLogicalFontSize = map["minimumLogicalFontSize"];
+        settings.initialScale = map["initialScale"];
+        settings.needInitialFocus = map["needInitialFocus"];
+        settings.offscreenPreRaster = map["offscreenPreRaster"];
+        settings.sansSerifFontFamily = map["sansSerifFontFamily"];
+        settings.serifFontFamily = map["serifFontFamily"];
+        settings.standardFontFamily = map["standardFontFamily"];
+        settings.saveFormData = map["saveFormData"];
+        settings.thirdPartyCookiesEnabled = map["thirdPartyCookiesEnabled"];
+        settings.hardwareAcceleration = map["hardwareAcceleration"];
+        settings.supportMultipleWindows = map["supportMultipleWindows"];
+        settings.regexToCancelSubFramesLoading =
+        map["regexToCancelSubFramesLoading"];
+        settings.useHybridComposition = map["useHybridComposition"];
+        settings.useShouldInterceptRequest = map["useShouldInterceptRequest"];
+        settings.useOnRenderProcessGone = map["useOnRenderProcessGone"];
+        settings.overScrollMode = OverScrollMode.fromValue(map["overScrollMode"]);
+        settings.networkAvailable = map["networkAvailable"];
+        settings.scrollBarStyle = ScrollBarStyle.fromValue(map["scrollBarStyle"]);
+        settings.verticalScrollbarPosition =
+            VerticalScrollbarPosition.fromValue(map["verticalScrollbarPosition"]);
+        settings.scrollBarDefaultDelayBeforeFade =
+        map["scrollBarDefaultDelayBeforeFade"];
+        settings.scrollbarFadingEnabled = map["scrollbarFadingEnabled"];
+        settings.scrollBarFadeDuration = map["scrollBarFadeDuration"];
+        settings.rendererPriorityPolicy = RendererPriorityPolicy.fromMap(
+            map["rendererPriorityPolicy"]?.cast<String, dynamic>());
+        settings.disableDefaultErrorPage = map["disableDefaultErrorPage"];
+        settings.verticalScrollbarThumbColor =
+            UtilColor.fromHex(map["verticalScrollbarThumbColor"]);
+        settings.verticalScrollbarTrackColor =
+            UtilColor.fromHex(map["verticalScrollbarTrackColor"]);
+        settings.horizontalScrollbarThumbColor =
+            UtilColor.fromHex(map["horizontalScrollbarThumbColor"]);
+        settings.horizontalScrollbarTrackColor =
+            UtilColor.fromHex(map["horizontalScrollbarTrackColor"]);
+      }
+      else if (defaultTargetPlatform == TargetPlatform.iOS ||
+          defaultTargetPlatform == TargetPlatform.macOS) {
+        settings.disallowOverScroll = map["disallowOverScroll"];
+        settings.enableViewportScale = map["enableViewportScale"];
+        settings.suppressesIncrementalRendering =
+        map["suppressesIncrementalRendering"];
+        settings.allowsAirPlayForMediaPlayback =
+        map["allowsAirPlayForMediaPlayback"];
+        settings.allowsBackForwardNavigationGestures =
+        map["allowsBackForwardNavigationGestures"];
+        settings.allowsLinkPreview = map["allowsLinkPreview"];
+        settings.ignoresViewportScaleLimits = map["ignoresViewportScaleLimits"];
+        settings.allowsInlineMediaPlayback = map["allowsInlineMediaPlayback"];
+        settings.allowsPictureInPictureMediaPlayback =
+        map["allowsPictureInPictureMediaPlayback"];
+        settings.isFraudulentWebsiteWarningEnabled =
+        map["isFraudulentWebsiteWarningEnabled"];
+        settings.selectionGranularity =
+        SelectionGranularity.fromValue(map["selectionGranularity"])!;
+        settings.dataDetectorTypes = dataDetectorTypes;
+        settings.sharedCookiesEnabled = map["sharedCookiesEnabled"];
+        settings.automaticallyAdjustsScrollIndicatorInsets =
+        map["automaticallyAdjustsScrollIndicatorInsets"];
+        settings.accessibilityIgnoresInvertColors =
+        map["accessibilityIgnoresInvertColors"];
+        settings.decelerationRate =
+        ScrollViewDecelerationRate.fromValue(map["decelerationRate"])!;
+        settings.alwaysBounceVertical = map["alwaysBounceVertical"];
+        settings.alwaysBounceHorizontal = map["alwaysBounceHorizontal"];
+        settings.scrollsToTop = map["scrollsToTop"];
+        settings.isPagingEnabled = map["isPagingEnabled"];
+        settings.maximumZoomScale = map["maximumZoomScale"];
+        settings.minimumZoomScale = map["minimumZoomScale"];
+        settings.contentInsetAdjustmentBehavior =
+        ScrollViewContentInsetAdjustmentBehavior.fromValue(
+            map["contentInsetAdjustmentBehavior"])!;
+        settings.isDirectionalLockEnabled = map["isDirectionalLockEnabled"];
+        settings.mediaType = map["mediaType"];
+        settings.pageZoom = map["pageZoom"];
+        settings.limitsNavigationsToAppBoundDomains =
+        map["limitsNavigationsToAppBoundDomains"];
+        settings.useOnNavigationResponse = map["useOnNavigationResponse"];
+        settings.applePayAPIEnabled = map["applePayAPIEnabled"];
+        settings.allowingReadAccessTo = map["allowingReadAccessTo"] != null
+            ? Uri.parse(map["allowingReadAccessTo"])
+            : null;
+        settings.disableLongPressContextMenuOnLinks =
+        map["disableLongPressContextMenuOnLinks"];
+        settings.disableInputAccessoryView = map["disableInputAccessoryView"];
+        settings.underPageBackgroundColor =
+            UtilColor.fromHex(map["underPageBackgroundColor"]);
+        settings.isTextInteractionEnabled = map["isTextInteractionEnabled"];
+        settings.isSiteSpecificQuirksModeEnabled =
+        map["isSiteSpecificQuirksModeEnabled"];
+        settings.upgradeKnownHostsToHTTPS = map["upgradeKnownHostsToHTTPS"];
+      }
     }
     return settings;
   }

lib/src/types/client_cert_response.dart

@@ -1,3 +1,5 @@
+import 'package:flutter/foundation.dart';
+
 import '../in_app_webview/webview.dart';
 
 import 'client_cert_response_action.dart';
@@ -29,8 +31,12 @@ class ClientCertResponse {
         this.action = ClientCertResponseAction.CANCEL}) {
     if (this.action == ClientCertResponseAction.PROCEED)
       assert(certificatePath.isNotEmpty);
+
     // ignore: deprecated_member_use_from_same_package
     this.keyStoreType = this.keyStoreType ?? this.androidKeyStoreType;
+
+    if (!kIsWeb && defaultTargetPlatform == TargetPlatform.android)
+      assert(this.keyStoreType != null);
   }
 
   ///Converts instance to a map.

lib/src/types/geolocation_permission_show_prompt_response.dart

@@ -3,16 +3,17 @@ import '../in_app_webview/webview.dart';
 ///Class used by the host application to set the Geolocation permission state for an origin during the [WebView.onGeolocationPermissionsShowPrompt] event.
 class GeolocationPermissionShowPromptResponse {
   ///The origin for which permissions are set.
-  String? origin;
+  String origin;
 
   ///Whether or not the origin should be allowed to use the Geolocation API.
-  bool? allow;
+  bool allow;
 
   ///Whether the permission should be retained beyond the lifetime of a page currently being displayed by a WebView
-  bool? retain;
+  ///The default value is `false`.
+  bool retain;
 
   GeolocationPermissionShowPromptResponse(
-      {this.origin, this.allow, this.retain});
+      {required this.origin, required this.allow, this.retain = false});
 
   ///Converts instance to a map.
   Map<String, dynamic> toMap() {

lib/src/types/permission_resource_type.dart

@@ -59,10 +59,10 @@ class PermissionResourceType {
   ///- iOS ([Official API - WKMediaCaptureType.microphone](https://developer.apple.com/documentation/webkit/wkmediacapturetype/microphone))
   static final MICROPHONE = PermissionResourceType._internal(
       'MICROPHONE',
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? 'android.webkit.resource.AUDIO_CAPTURE'
-          : ((defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          : ((defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? 1
               : null));
 
@@ -74,7 +74,7 @@ class PermissionResourceType {
   ///- Android native WebView ([Official API - PermissionRequest.RESOURCE_MIDI_SYSEX](https://developer.android.com/reference/android/webkit/PermissionRequest#RESOURCE_MIDI_SYSEX))
   static final MIDI_SYSEX = PermissionResourceType._internal(
       'MIDI_SYSEX',
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? 'android.webkit.resource.MIDI_SYSEX'
           : null);
 
@@ -84,7 +84,7 @@ class PermissionResourceType {
   ///- Android native WebView ([Official API - PermissionRequest.RESOURCE_PROTECTED_MEDIA_ID](https://developer.android.com/reference/android/webkit/PermissionRequest#RESOURCE_PROTECTED_MEDIA_ID))
   static final PROTECTED_MEDIA_ID = PermissionResourceType._internal(
       'PROTECTED_MEDIA_ID',
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? 'android.webkit.resource.PROTECTED_MEDIA_ID'
           : null);
 
@@ -95,10 +95,10 @@ class PermissionResourceType {
   ///- iOS ([Official API - WKMediaCaptureType.camera](https://developer.apple.com/documentation/webkit/wkmediacapturetype/camera))
   static final CAMERA = PermissionResourceType._internal(
       'CAMERA',
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? 'android.webkit.resource.VIDEO_CAPTURE'
-          : ((defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          : ((defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? 0
               : null));
 
@@ -108,8 +108,8 @@ class PermissionResourceType {
   ///- iOS ([Official API - WKMediaCaptureType.cameraAndMicrophone](https://developer.apple.com/documentation/webkit/wkmediacapturetype/cameraandmicrophone))
   static final CAMERA_AND_MICROPHONE = PermissionResourceType._internal(
       'CAMERA_AND_MICROPHONE',
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? 2
           : null);
 
@@ -119,8 +119,8 @@ class PermissionResourceType {
   ///- iOS
   static final DEVICE_ORIENTATION_AND_MOTION = PermissionResourceType._internal(
       'DEVICE_ORIENTATION_AND_MOTION',
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? 'deviceOrientationAndMotion'
           : null);
 

lib/src/types/ssl_error_type.dart

@@ -65,35 +65,35 @@ class SslErrorType {
   ///**Supported Platforms/Implementations**:
   ///- Android native WebView ([Official API - SslError.SSL_NOTYETVALID](https://developer.android.com/reference/android/net/http/SslError#SSL_NOTYETVALID))
   static final NOT_YET_VALID = SslErrorType._internal('NOT_YET_VALID',
-      (defaultTargetPlatform != TargetPlatform.android) ? 0 : -1);
+      (defaultTargetPlatform == TargetPlatform.android) ? 0 : -1);
 
   ///The certificate has expired.
   ///
   ///**Supported Platforms/Implementations**:
   ///- Android native WebView ([Official API - SslError.SSL_EXPIRED](https://developer.android.com/reference/android/net/http/SslError#SSL_EXPIRED))
   static final EXPIRED = SslErrorType._internal(
-      'EXPIRED', (defaultTargetPlatform != TargetPlatform.android) ? 1 : -1);
+      'EXPIRED', (defaultTargetPlatform == TargetPlatform.android) ? 1 : -1);
 
   ///Hostname mismatch.
   ///
   ///**Supported Platforms/Implementations**:
   ///- Android native WebView ([Official API - SslError.SSL_IDMISMATCH](https://developer.android.com/reference/android/net/http/SslError#SSL_IDMISMATCH))
   static final IDMISMATCH = SslErrorType._internal(
-      'IDMISMATCH', (defaultTargetPlatform != TargetPlatform.android) ? 2 : -1);
+      'IDMISMATCH', (defaultTargetPlatform == TargetPlatform.android) ? 2 : -1);
 
   ///The certificate authority is not trusted.
   ///
   ///**Supported Platforms/Implementations**:
   ///- Android native WebView ([Official API - SslError.SSL_UNTRUSTED](https://developer.android.com/reference/android/net/http/SslError#SSL_UNTRUSTED))
   static final UNTRUSTED = SslErrorType._internal(
-      'UNTRUSTED', (defaultTargetPlatform != TargetPlatform.android) ? 3 : -1);
+      'UNTRUSTED', (defaultTargetPlatform == TargetPlatform.android) ? 3 : -1);
 
   ///The date of the certificate is invalid.
   ///
   ///**Supported Platforms/Implementations**:
   ///- Android native WebView ([Official API - SslError.SSL_DATE_INVALID](https://developer.android.com/reference/android/net/http/SslError#SSL_DATE_INVALID))
   static final DATE_INVALID = SslErrorType._internal('DATE_INVALID',
-      (defaultTargetPlatform != TargetPlatform.android) ? 4 : -1);
+      (defaultTargetPlatform == TargetPlatform.android) ? 4 : -1);
 
   ///Indicates an invalid setting or result. A generic error occurred.
   ///
@@ -102,10 +102,10 @@ class SslErrorType {
   ///- iOS ([Official API - SecTrustResultType.invalid](https://developer.apple.com/documentation/security/sectrustresulttype/invalid))
   static final INVALID = SslErrorType._internal(
       'INVALID',
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? 5
-          : ((defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          : ((defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? 0
               : -1));
 
@@ -120,8 +120,8 @@ class SslErrorType {
   ///- iOS ([Official API - SecTrustResultType.deny](https://developer.apple.com/documentation/security/sectrustresulttype/deny))
   static final DENY = SslErrorType._internal(
       'DENY',
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? 3
           : -1);
 
@@ -138,8 +138,8 @@ class SslErrorType {
   ///- iOS ([Official API - SecTrustResultType.unspecified](https://developer.apple.com/documentation/security/sectrustresulttype/unspecified))
   static final UNSPECIFIED = SslErrorType._internal(
       'UNSPECIFIED',
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? 4
           : -1);
 
@@ -157,8 +157,8 @@ class SslErrorType {
   ///- iOS ([Official API - SecTrustResultType.recoverableTrustFailure](https://developer.apple.com/documentation/security/sectrustresulttype/recoverabletrustfailure))
   static final RECOVERABLE_TRUST_FAILURE = SslErrorType._internal(
       'RECOVERABLE_TRUST_FAILURE',
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? 5
           : -1);
 
@@ -173,8 +173,8 @@ class SslErrorType {
   ///- iOS ([Official API - SecTrustResultType.fatalTrustFailure](https://developer.apple.com/documentation/security/sectrustresulttype/fataltrustfailure))
   static final FATAL_TRUST_FAILURE = SslErrorType._internal(
       'FATAL_TRUST_FAILURE',
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? 6
           : -1);
 
@@ -187,8 +187,8 @@ class SslErrorType {
   ///- iOS ([Official API - SecTrustResultType.otherError](https://developer.apple.com/documentation/security/sectrustresulttype/othererror))
   static final OTHER_ERROR = SslErrorType._internal(
       'OTHER_ERROR',
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? 7
           : -1);
 

lib/src/types/web_resource_error_type.dart

@@ -107,7 +107,7 @@ class WebResourceErrorType {
   ///- Android native WebView ([Official API - WebViewClient.ERROR_AUTHENTICATION](https://developer.android.com/reference/android/webkit/WebViewClient#ERROR_AUTHENTICATION))
   static final USER_AUTHENTICATION_FAILED = WebResourceErrorType._internal(
       "USER_AUTHENTICATION_FAILED",
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? -4
           : UNKNOWN._nativeValue);
 
@@ -118,10 +118,10 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.badURL](https://developer.apple.com/documentation/foundation/urlerror/2293516-badurl))
   static final BAD_URL = WebResourceErrorType._internal(
       "BAD_URL",
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? -12
-          : ((defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          : ((defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? -1000
               : UNKNOWN._nativeValue));
 
@@ -132,10 +132,10 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.cannotConnectToHost](https://developer.apple.com/documentation/foundation/urlerror/code/2883001-cannotconnecttohost))
   static final CANNOT_CONNECT_TO_HOST = WebResourceErrorType._internal(
       "CANNOT_CONNECT_TO_HOST",
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? -6
-          : ((defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          : ((defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? -1004
               : UNKNOWN._nativeValue));
 
@@ -145,7 +145,7 @@ class WebResourceErrorType {
   ///- Android native WebView ([Official API - WebViewClient.ERROR_FAILED_SSL_HANDSHAKE](https://developer.android.com/reference/android/webkit/WebViewClient#ERROR_FAILED_SSL_HANDSHAKE))
   static final FAILED_SSL_HANDSHAKE = WebResourceErrorType._internal(
       "FAILED_SSL_HANDSHAKE",
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? -11
           : UNKNOWN._nativeValue);
 
@@ -155,7 +155,7 @@ class WebResourceErrorType {
   ///- Android native WebView ([Official API - WebViewClient.ERROR_FILE](https://developer.android.com/reference/android/webkit/WebViewClient#ERROR_FILE))
   static final GENERIC_FILE_ERROR = WebResourceErrorType._internal(
       "GENERIC_FILE_ERROR",
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? -13
           : UNKNOWN._nativeValue);
 
@@ -166,10 +166,10 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.fileDoesNotExist](https://developer.apple.com/documentation/foundation/urlerror/code/2883074-filedoesnotexist))
   static final FILE_NOT_FOUND = WebResourceErrorType._internal(
       "FILE_NOT_FOUND",
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? -14
-          : ((defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          : ((defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? -1100
               : UNKNOWN._nativeValue));
 
@@ -180,10 +180,10 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.cannotFindHost](https://developer.apple.com/documentation/foundation/urlerror/code/2883157-cannotfindhost))
   static final HOST_LOOKUP = WebResourceErrorType._internal(
       "HOST_LOOKUP",
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? -2
-          : ((defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          : ((defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? -1003
               : UNKNOWN._nativeValue));
 
@@ -193,7 +193,7 @@ class WebResourceErrorType {
   ///- Android native WebView ([Official API - WebViewClient.ERROR_IO](https://developer.android.com/reference/android/webkit/WebViewClient#ERROR_IO))
   static final IO = WebResourceErrorType._internal(
       "IO",
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? -7
           : UNKNOWN._nativeValue);
 
@@ -203,7 +203,7 @@ class WebResourceErrorType {
   ///- Android native WebView ([Official API - WebViewClient.ERROR_PROXY_AUTHENTICATION](https://developer.android.com/reference/android/webkit/WebViewClient#ERROR_PROXY_AUTHENTICATION))
   static final PROXY_AUTHENTICATION = WebResourceErrorType._internal(
       "PROXY_AUTHENTICATION",
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? -5
           : UNKNOWN._nativeValue);
 
@@ -214,10 +214,10 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.cannotFindHost](https://developer.apple.com/documentation/foundation/urlerror/code/2883157-cannotfindhost))
   static final TOO_MANY_REDIRECTS = WebResourceErrorType._internal(
       "TOO_MANY_REDIRECTS",
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? -9
-          : ((defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          : ((defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? -1007
               : UNKNOWN._nativeValue));
 
@@ -228,10 +228,10 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.timedOut](https://developer.apple.com/documentation/foundation/urlerror/code/2883027-timedout))
   static final TIMEOUT = WebResourceErrorType._internal(
       "TIMEOUT",
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? -8
-          : ((defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          : ((defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? -1001
               : UNKNOWN._nativeValue));
 
@@ -241,7 +241,7 @@ class WebResourceErrorType {
   ///- Android native WebView ([Official API - WebViewClient.ERROR_TOO_MANY_REQUESTS](https://developer.android.com/reference/android/webkit/WebViewClient#ERROR_TOO_MANY_REQUESTS))
   static final TOO_MANY_REQUESTS = WebResourceErrorType._internal(
       "TOO_MANY_REQUESTS",
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? -15
           : UNKNOWN._nativeValue);
 
@@ -258,7 +258,7 @@ class WebResourceErrorType {
   ///- Android native WebView ([Official API - WebViewClient.ERROR_UNSAFE_RESOURCE](https://developer.android.com/reference/android/webkit/WebViewClient#ERROR_UNSAFE_RESOURCE))
   static final UNSAFE_RESOURCE = WebResourceErrorType._internal(
       "UNSAFE_RESOURCE",
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? -16
           : UNKNOWN._nativeValue);
 
@@ -268,7 +268,7 @@ class WebResourceErrorType {
   ///- Android native WebView ([Official API - WebViewClient.ERROR_UNSUPPORTED_AUTH_SCHEME](https://developer.android.com/reference/android/webkit/WebViewClient#ERROR_UNSUPPORTED_AUTH_SCHEME))
   static final UNSUPPORTED_AUTH_SCHEME = WebResourceErrorType._internal(
       "UNSUPPORTED_AUTH_SCHEME",
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? -3
           : UNKNOWN._nativeValue);
 
@@ -280,10 +280,10 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.unsupportedURL](https://developer.apple.com/documentation/foundation/urlerror/code/2883043-unsupportedurl))
   static final UNSUPPORTED_SCHEME = WebResourceErrorType._internal(
       "UNSUPPORTED_SCHEME",
-      (defaultTargetPlatform != TargetPlatform.android)
+      (defaultTargetPlatform == TargetPlatform.android)
           ? -10
-          : ((defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          : ((defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? -1002
               : UNKNOWN._nativeValue));
 
@@ -293,8 +293,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.cancelled](https://developer.apple.com/documentation/foundation/urlerror/code/2883178-cancelled))
   static final CANCELLED = WebResourceErrorType._internal(
       "CANCELLED",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -999
           : UNKNOWN._nativeValue);
 
@@ -304,8 +304,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.networkConnectionLost](https://developer.apple.com/documentation/foundation/urlerror/2293759-networkconnectionlost))
   static final NETWORK_CONNECTION_LOST = WebResourceErrorType._internal(
       "NETWORK_CONNECTION_LOST",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1005
           : UNKNOWN._nativeValue);
 
@@ -316,8 +316,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.resourceUnavailable](https://developer.apple.com/documentation/foundation/urlerror/2293555-resourceunavailable))
   static final RESOURCE_UNAVAILABLE = WebResourceErrorType._internal(
       "RESOURCE_UNAVAILABLE",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1008
           : UNKNOWN._nativeValue);
 
@@ -327,8 +327,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.notConnectedToInternet](https://developer.apple.com/documentation/foundation/urlerror/2293104-notconnectedtointernet))
   static final NOT_CONNECTED_TO_INTERNET = WebResourceErrorType._internal(
       "NOT_CONNECTED_TO_INTERNET",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1009
           : UNKNOWN._nativeValue);
 
@@ -339,8 +339,8 @@ class WebResourceErrorType {
   static final REDIRECT_TO_NON_EXISTENT_LOCATION =
       WebResourceErrorType._internal(
           "REDIRECT_TO_NON_EXISTENT_LOCATION",
-          (defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          (defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? -1010
               : UNKNOWN._nativeValue);
 
@@ -350,8 +350,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.badServerResponse](https://developer.apple.com/documentation/foundation/urlerror/2293606-badserverresponse))
   static final BAD_SERVER_RESPONSE = WebResourceErrorType._internal(
       "BAD_SERVER_RESPONSE",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1011
           : UNKNOWN._nativeValue);
 
@@ -362,8 +362,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.userCancelledAuthentication](https://developer.apple.com/documentation/foundation/urlerror/2293330-usercancelledauthentication))
   static final USER_CANCELLED_AUTHENTICATION = WebResourceErrorType._internal(
       "USER_CANCELLED_AUTHENTICATION",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1012
           : UNKNOWN._nativeValue);
 
@@ -373,8 +373,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.userAuthenticationRequired](https://developer.apple.com/documentation/foundation/urlerror/2293560-userauthenticationrequired))
   static final USER_AUTHENTICATION_REQUIRED = WebResourceErrorType._internal(
       "USER_AUTHENTICATION_REQUIRED",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1013
           : UNKNOWN._nativeValue);
 
@@ -384,8 +384,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.zeroByteResource](https://developer.apple.com/documentation/foundation/urlerror/2293773-zerobyteresource))
   static final ZERO_BYTE_RESOURCE = WebResourceErrorType._internal(
       "ZERO_BYTE_RESOURCE",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1014
           : UNKNOWN._nativeValue);
 
@@ -395,8 +395,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.cannotDecodeRawData](https://developer.apple.com/documentation/foundation/urlerror/2293573-cannotdecoderawdata))
   static final CANNOT_DECODE_RAW_DATA = WebResourceErrorType._internal(
       "CANNOT_DECODE_RAW_DATA",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1015
           : UNKNOWN._nativeValue);
 
@@ -406,8 +406,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.cannotDecodeContentData](https://developer.apple.com/documentation/foundation/urlerror/2292983-cannotdecodecontentdata))
   static final CANNOT_DECODE_CONTENT_DATA = WebResourceErrorType._internal(
       "CANNOT_DECODE_CONTENT_DATA",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1016
           : UNKNOWN._nativeValue);
 
@@ -417,8 +417,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.cannotParseResponse](https://developer.apple.com/documentation/foundation/urlerror/code/2882919-cannotparseresponse))
   static final CANNOT_PARSE_RESPONSE = WebResourceErrorType._internal(
       "CANNOT_PARSE_RESPONSE",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1017
           : UNKNOWN._nativeValue);
 
@@ -429,8 +429,8 @@ class WebResourceErrorType {
   static final APP_TRANSPORT_SECURITY_REQUIRES_SECURE_CONNECTION =
       WebResourceErrorType._internal(
           "APP_TRANSPORT_SECURITY_REQUIRES_SECURE_CONNECTION",
-          (defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          (defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? -1022
               : UNKNOWN._nativeValue);
 
@@ -440,8 +440,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.fileIsDirectory](https://developer.apple.com/documentation/foundation/urlerror/code/2883220-fileisdirectory))
   static final FILE_IS_DIRECTORY = WebResourceErrorType._internal(
       "FILE_IS_DIRECTORY",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1101
           : UNKNOWN._nativeValue);
 
@@ -451,8 +451,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.noPermissionsToReadFile](https://developer.apple.com/documentation/foundation/urlerror/code/2882941-nopermissionstoreadfile))
   static final NO_PERMISSIONS_TO_READ_FILE = WebResourceErrorType._internal(
       "NO_PERMISSIONS_TO_READ_FILE",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1102
           : UNKNOWN._nativeValue);
 
@@ -462,8 +462,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.dataLengthExceedsMaximum](https://developer.apple.com/documentation/foundation/urlerror/code/2882930-datalengthexceedsmaximum))
   static final DATA_LENGTH_EXCEEDS_MAXIMUM = WebResourceErrorType._internal(
       "DATA_LENGTH_EXCEEDS_MAXIMUM",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1103
           : UNKNOWN._nativeValue);
 
@@ -473,8 +473,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.secureConnectionFailed](https://developer.apple.com/documentation/foundation/urlerror/code/2883122-secureconnectionfailed))
   static final SECURE_CONNECTION_FAILED = WebResourceErrorType._internal(
       "SECURE_CONNECTION_FAILED",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1200
           : UNKNOWN._nativeValue);
 
@@ -484,8 +484,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.serverCertificateHasBadDate](https://developer.apple.com/documentation/foundation/urlerror/code/2883088-servercertificatehasbaddate))
   static final SERVER_CERTIFICATE_HAS_BAD_DATE = WebResourceErrorType._internal(
       "SERVER_CERTIFICATE_HAS_BAD_DATE",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1201
           : UNKNOWN._nativeValue);
 
@@ -495,8 +495,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.serverCertificateUntrusted](https://developer.apple.com/documentation/foundation/urlerror/code/2882976-servercertificateuntrusted))
   static final SERVER_CERTIFICATE_UNTRUSTED = WebResourceErrorType._internal(
       "SERVER_CERTIFICATE_UNTRUSTED",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1202
           : UNKNOWN._nativeValue);
 
@@ -507,8 +507,8 @@ class WebResourceErrorType {
   static final SERVER_CERTIFICATE_HAS_UNKNOWN_ROOT =
       WebResourceErrorType._internal(
           "SERVER_CERTIFICATE_HAS_UNKNOWN_ROOT",
-          (defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          (defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? -1203
               : UNKNOWN._nativeValue);
 
@@ -519,8 +519,8 @@ class WebResourceErrorType {
   static final SERVER_CERTIFICATE_NOT_YET_VALID =
       WebResourceErrorType._internal(
           "SERVER_CERTIFICATE_NOT_YET_VALID",
-          (defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          (defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? -1204
               : UNKNOWN._nativeValue);
 
@@ -530,8 +530,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.clientCertificateRejected](https://developer.apple.com/documentation/foundation/urlerror/code/2883091-clientcertificaterejected))
   static final CLIENT_CERTIFICATE_REJECTED = WebResourceErrorType._internal(
       "CLIENT_CERTIFICATE_REJECTED",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1205
           : UNKNOWN._nativeValue);
 
@@ -541,8 +541,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.clientCertificateRequired](https://developer.apple.com/documentation/foundation/urlerror/code/2883199-clientcertificaterequired))
   static final CLIENT_CERTIFICATE_REQUIRED = WebResourceErrorType._internal(
       "CLIENT_CERTIFICATE_REQUIRED",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1206
           : UNKNOWN._nativeValue);
 
@@ -552,8 +552,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.cannotLoadFromNetwork](https://developer.apple.com/documentation/foundation/urlerror/code/2882968-cannotloadfromnetwork))
   static final CANNOT_LOAD_FROM_NETWORK = WebResourceErrorType._internal(
       "CANNOT_LOAD_FROM_NETWORK",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -2000
           : UNKNOWN._nativeValue);
 
@@ -563,8 +563,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.cannotCreateFile](https://developer.apple.com/documentation/foundation/urlerror/code/2883204-cannotcreatefile))
   static final CANNOT_CREATE_FILE = WebResourceErrorType._internal(
       "CANNOT_CREATE_FILE",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -3000
           : UNKNOWN._nativeValue);
 
@@ -574,8 +574,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.cannotOpenFile](https://developer.apple.com/documentation/foundation/urlerror/code/2883034-cannotopenfile))
   static final CANNOT_OPEN_FILE = WebResourceErrorType._internal(
       "CANNOT_OPEN_FILE",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -3001
           : UNKNOWN._nativeValue);
 
@@ -585,8 +585,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.cannotCloseFile](https://developer.apple.com/documentation/foundation/urlerror/code/2883215-cannotclosefile))
   static final CANNOT_CLOSE_FILE = WebResourceErrorType._internal(
       "CANNOT_CLOSE_FILE",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -3002
           : UNKNOWN._nativeValue);
 
@@ -596,8 +596,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.cannotWriteToFile](https://developer.apple.com/documentation/foundation/urlerror/code/2883098-cannotwritetofile))
   static final CANNOT_WRITE_TO_FILE = WebResourceErrorType._internal(
       "CANNOT_WRITE_TO_FILE",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -3003
           : UNKNOWN._nativeValue);
 
@@ -607,8 +607,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.cannotRemoveFile](https://developer.apple.com/documentation/foundation/urlerror/code/2883202-cannotremovefile))
   static final CANNOT_REMOVE_FILE = WebResourceErrorType._internal(
       "CANNOT_REMOVE_FILE",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -3004
           : UNKNOWN._nativeValue);
 
@@ -618,8 +618,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.cannotMoveFile](https://developer.apple.com/documentation/foundation/urlerror/code/2883180-cannotmovefile))
   static final CANNOT_MOVE_FILE = WebResourceErrorType._internal(
       "CANNOT_MOVE_FILE",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -3005
           : UNKNOWN._nativeValue);
 
@@ -630,8 +630,8 @@ class WebResourceErrorType {
   static final DOWNLOAD_DECODING_FAILED_MID_STREAM =
       WebResourceErrorType._internal(
           "DOWNLOAD_DECODING_FAILED_MID_STREAM",
-          (defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          (defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? -3006
               : UNKNOWN._nativeValue);
 
@@ -642,8 +642,8 @@ class WebResourceErrorType {
   static final DOWNLOAD_DECODING_FAILED_TO_COMPLETE =
       WebResourceErrorType._internal(
           "DOWNLOAD_DECODING_FAILED_TO_COMPLETE",
-          (defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          (defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? -3007
               : UNKNOWN._nativeValue);
 
@@ -653,8 +653,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.internationalRoamingOff](https://developer.apple.com/documentation/foundation/urlerror/code/2883134-internationalroamingoff))
   static final INTERNATIONAL_ROAMING_OFF = WebResourceErrorType._internal(
       "INTERNATIONAL_ROAMING_OFF",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1018
           : UNKNOWN._nativeValue);
 
@@ -664,8 +664,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.callIsActive](https://developer.apple.com/documentation/foundation/urlerror/code/2883170-callisactive))
   static final CALL_IS_ACTIVE = WebResourceErrorType._internal(
       "CALL_IS_ACTIVE",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1019
           : UNKNOWN._nativeValue);
 
@@ -675,8 +675,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.dataNotAllowed](https://developer.apple.com/documentation/foundation/urlerror/code/2883217-datanotallowed))
   static final DATA_NOT_ALLOWED = WebResourceErrorType._internal(
       "DATA_NOT_ALLOWED",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1020
           : UNKNOWN._nativeValue);
 
@@ -686,8 +686,8 @@ class WebResourceErrorType {
   ///- iOS ([Official API - URLError.requestBodyStreamExhausted](https://developer.apple.com/documentation/foundation/urlerror/code/2883176-requestbodystreamexhausted))
   static final REQUEST_BODY_STREAM_EXHAUSTED = WebResourceErrorType._internal(
       "REQUEST_BODY_STREAM_EXHAUSTED",
-      (defaultTargetPlatform != TargetPlatform.iOS ||
-              defaultTargetPlatform != TargetPlatform.macOS)
+      (defaultTargetPlatform == TargetPlatform.iOS ||
+              defaultTargetPlatform == TargetPlatform.macOS)
           ? -1021
           : UNKNOWN._nativeValue);
 
@@ -698,8 +698,8 @@ class WebResourceErrorType {
   static final BACKGROUND_SESSION_REQUIRES_SHARED_CONTAINER =
       WebResourceErrorType._internal(
           "BACKGROUND_SESSION_REQUIRES_SHARED_CONTAINER",
-          (defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          (defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? -995
               : UNKNOWN._nativeValue);
 
@@ -710,8 +710,8 @@ class WebResourceErrorType {
   static final BACKGROUND_SESSION_IN_USE_BY_ANOTHER_PROCESS =
       WebResourceErrorType._internal(
           "BACKGROUND_SESSION_IN_USE_BY_ANOTHER_PROCESS",
-          (defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          (defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? -996
               : UNKNOWN._nativeValue);
 
@@ -722,8 +722,8 @@ class WebResourceErrorType {
   static final BACKGROUND_SESSION_WAS_DISCONNECTED =
       WebResourceErrorType._internal(
           "BACKGROUND_SESSION_WAS_DISCONNECTED",
-          (defaultTargetPlatform != TargetPlatform.iOS ||
-                  defaultTargetPlatform != TargetPlatform.macOS)
+          (defaultTargetPlatform == TargetPlatform.iOS ||
+                  defaultTargetPlatform == TargetPlatform.macOS)
               ? -997
               : UNKNOWN._nativeValue);
 

scripts/test.sh

@@ -36,6 +36,7 @@ node index.js &
 
 flutter --version
 flutter clean
+flutter pub get
 cd $PROJECT_DIR/example
 flutter clean
 if [ ! -z "$2" ] && [ $PLATFORM = "web" ]; then