Added shouldInterceptAjaxRequest, onAjaxReadyStateChange, onAjaxProgressEvent...

Added shouldInterceptAjaxRequest, onAjaxReadyStateChange, onAjaxProgressEvent and shouldInterceptFetchRequest events, added useShouldInterceptAjaxRequest and useShouldInterceptFetchRequest webview options, updated node.js server test, added injectJavascriptFileFromAsset and injectCSSFileFromAsset methods, renamed some methods

.idea/runConfigurations/example_lib_main_dart.xml

 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="example/lib/main.dart" type="FlutterRunConfigurationType" factoryName="Flutter" singleton="false">
-    <option name="additionalArgs" value="--debug" />
     <option name="filePath" value="$PROJECT_DIR$/example/lib/main.dart" />
     <method v="2" />
   </configuration>

CHANGELOG.md

@@ -26,7 +26,8 @@
 - Added `HttpAuthCredentialDatabase` class
 - Added `onReceivedServerTrustAuthRequest` and `onReceivedClientCertRequest` events to manage SSL requests
 - Added `onFindResultReceived` event, `findAllAsync`, `findNext` and `clearMatches` methods 
-- Added `getHtml` method
+- Added `getHtml`, `injectJavascriptFileFromAsset` and `injectCSSFileFromAsset` methods
+- Added `shouldInterceptAjaxRequest`, `onAjaxReadyStateChange`, `onAjaxProgressEvent` and `shouldInterceptFetchRequest` events with `useShouldInterceptAjaxRequest` and `useShouldInterceptFetchRequest` webview options
 - Fun: added `getTRexRunnerHtml` and `getTRexRunnerCss` methods to get html (with javascript) and css to recreate the Chromium's t-rex runner game 
 
 ### BREAKING CHANGES
@@ -37,6 +38,10 @@
 - Updated `CookieManager` class
 - WebView options are now available with the new corresponding classes: `InAppWebViewOptions`, `AndroidInAppWebViewOptions`, `iOSInAppWebViewOptions`, `InAppBrowserOptions`, `AndroidInAppBrowserOptions`, `iOSInAppBrowserOptions`, `AndroidChromeCustomTabsOptions` and `iOSSafariOptions`
 - Renamed `getFavicon` to `getFavicons`, now it returns a list of all favicons (`List<Favicon>`) found
+- Renamed `injectScriptFile` to `injectJavascriptFileFromUrl`
+- Renamed `injectScriptCode` to `evaluateJavascript`
+- Renamed `injectStyleCode` to `injectCSSCode`
+- Renamed `injectStyleFile` to `injectCSSFileFromUrl`
 
 ## 1.2.1
 

android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/ContentBlocker/ContentBlockerHandler.java

@@ -21,6 +21,7 @@ import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.CountDownLatch;
 import java.util.regex.Matcher;
 
+import io.flutter.plugin.common.MethodChannel;
 import okhttp3.Request;
 import okhttp3.Response;
 
@@ -145,7 +146,7 @@ public class ContentBlockerHandler {
                             @Override
                             public void run() {
                                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-                                    webView.evaluateJavascript(jsScript, null);
+                                    webView.evaluateJavascript(jsScript, (MethodChannel.Result) null);
                                 } else {
                                     webView.loadUrl("javascript:" + jsScript);
                                 }

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

 package com.pichillilorenzo.flutter_inappbrowser;
 
-import android.Manifest;
 import android.app.Activity;
 import android.content.Context;
 import android.hardware.display.DisplayManager;
 import android.os.Build;
-import android.os.Handler;
 import android.util.Log;
 import android.view.View;
 import android.webkit.WebChromeClient;
@@ -15,21 +13,20 @@ import android.webkit.WebViewClient;
 import com.pichillilorenzo.flutter_inappbrowser.InAppWebView.DisplayListenerProxy;
 import com.pichillilorenzo.flutter_inappbrowser.InAppWebView.InAppWebView;
 import com.pichillilorenzo.flutter_inappbrowser.InAppWebView.InAppWebViewOptions;
-import com.pichillilorenzo.flutter_inappbrowser.InAppWebView.InputAwareWebView;
 
 import java.io.IOException;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import io.flutter.plugin.common.BinaryMessenger;
 import io.flutter.plugin.common.MethodCall;
 import io.flutter.plugin.common.MethodChannel;
-import static io.flutter.plugin.common.MethodChannel.MethodCallHandler;
-import static io.flutter.plugin.common.MethodChannel.Result;
 import io.flutter.plugin.common.PluginRegistry.Registrar;
 import io.flutter.plugin.platform.PlatformView;
 
+import static io.flutter.plugin.common.MethodChannel.MethodCallHandler;
+import static io.flutter.plugin.common.MethodChannel.Result;
+
 public class FlutterWebView implements PlatformView, MethodCallHandler  {
 
   static final String LOG_TAG = "FlutterWebView";
@@ -135,33 +132,33 @@ public class FlutterWebView implements PlatformView, MethodCallHandler  {
         else
           result.success(false);
         break;
-      case "injectScriptCode":
+      case "evaluateJavascript":
         if (webView != null) {
           String source = (String) call.argument("source");
-          webView.injectScriptCode(source, result);
+          webView.evaluateJavascript(source, result);
         }
         else {
           result.success("");
         }
         break;
-      case "injectScriptFile":
+      case "injectJavascriptFileFromUrl":
         if (webView != null) {
           String urlFile = (String) call.argument("urlFile");
-          webView.injectScriptFile(urlFile);
+          webView.injectJavascriptFileFromUrl(urlFile);
         }
         result.success(true);
         break;
-      case "injectStyleCode":
+      case "injectCSSCode":
         if (webView != null) {
           String source = (String) call.argument("source");
-          webView.injectStyleCode(source);
+          webView.injectCSSCode(source);
         }
         result.success(true);
         break;
-      case "injectStyleFile":
+      case "injectCSSFileFromUrl":
         if (webView != null) {
           String urlFile = (String) call.argument("urlFile");
-          webView.injectStyleFile(urlFile);
+          webView.injectCSSFileFromUrl(urlFile);
         }
         result.success(true);
         break;
@@ -312,13 +309,13 @@ public class FlutterWebView implements PlatformView, MethodCallHandler  {
 
   @Override
   public void onInputConnectionLocked() {
-    if (webView.inAppBrowserActivity == null)
+    if (webView != null && webView.inAppBrowserActivity == null)
       webView.lockInputConnection();
   }
 
   @Override
   public void onInputConnectionUnlocked() {
-    if (webView.inAppBrowserActivity == null)
+    if (webView != null && webView.inAppBrowserActivity == null)
       webView.unlockInputConnection();
   }
 

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

@@ -192,23 +192,23 @@ public class InAppBrowser implements MethodChannel.MethodCallHandler {
       case "close":
         close(activity, uuid, result);
         break;
-      case "injectScriptCode":
+      case "evaluateJavascript":
         source = (String) call.argument("source");
-        injectScriptCode(uuid, source, result);
+        evaluateJavascript(uuid, source, result);
         break;
-      case "injectScriptFile":
+      case "injectJavascriptFileFromUrl":
         urlFile = (String) call.argument("urlFile");
-        injectScriptFile(uuid, urlFile);
+        injectJavascriptFileFromUrl(uuid, urlFile);
         result.success(true);
         break;
-      case "injectStyleCode":
+      case "injectCSSCode":
         source = (String) call.argument("source");
-        injectStyleCode(uuid, source);
+        injectCSSCode(uuid, source);
         result.success(true);
         break;
-      case "injectStyleFile":
+      case "injectCSSFileFromUrl":
         urlFile = (String) call.argument("urlFile");
-        injectStyleFile(uuid, urlFile);
+        injectCSSFileFromUrl(uuid, urlFile);
         result.success(true);
         break;
       case "show":
@@ -314,33 +314,33 @@ public class InAppBrowser implements MethodChannel.MethodCallHandler {
 
   }
 
-  private void injectScriptCode(String uuid, String source, final Result result) {
+  private void evaluateJavascript(String uuid, String source, final Result result) {
     final InAppBrowserActivity inAppBrowserActivity = webViewActivities.get(uuid);
     if (inAppBrowserActivity != null) {
-      inAppBrowserActivity.injectScriptCode(source, result);
+      inAppBrowserActivity.evaluateJavascript(source, result);
     } else {
       Log.d(LOG_TAG, "webView is null");
     }
   }
 
-  private void injectScriptFile(String uuid, String urlFile) {
+  private void injectJavascriptFileFromUrl(String uuid, String urlFile) {
     final InAppBrowserActivity inAppBrowserActivity = webViewActivities.get(uuid);
     if (inAppBrowserActivity != null) {
-      inAppBrowserActivity.injectScriptFile(urlFile);
+      inAppBrowserActivity.injectJavascriptFileFromUrl(urlFile);
     }
   }
 
-  private void injectStyleCode(String uuid, String source) {
+  private void injectCSSCode(String uuid, String source) {
     final InAppBrowserActivity inAppBrowserActivity = webViewActivities.get(uuid);
     if (inAppBrowserActivity != null) {
-      inAppBrowserActivity.injectStyleCode(source);
+      inAppBrowserActivity.injectCSSCode(source);
     }
   }
 
-  private void injectStyleFile(String uuid, String urlFile) {
+  private void injectCSSFileFromUrl(String uuid, String urlFile) {
     final InAppBrowserActivity inAppBrowserActivity = webViewActivities.get(uuid);
     if (inAppBrowserActivity != null) {
-      inAppBrowserActivity.injectStyleFile(urlFile);
+      inAppBrowserActivity.injectCSSFileFromUrl(urlFile);
     }
   }
 

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

@@ -434,26 +434,26 @@ public class InAppBrowserActivity extends AppCompatActivity {
     return optionsMap;
   }
 
-  public void injectScriptCode(String source, MethodChannel.Result result) {
+  public void evaluateJavascript(String source, MethodChannel.Result result) {
     if (webView != null)
-      webView.injectScriptCode(source, result);
+      webView.evaluateJavascript(source, result);
     else
       result.success("");
   }
 
-  public void injectScriptFile(String urlFile) {
+  public void injectJavascriptFileFromUrl(String urlFile) {
     if (webView != null)
-      webView.injectScriptFile(urlFile);
+      webView.injectJavascriptFileFromUrl(urlFile);
   }
 
-  public void injectStyleCode(String source) {
+  public void injectCSSCode(String source) {
     if (webView != null)
-      webView.injectStyleCode(source);
+      webView.injectCSSCode(source);
   }
 
-  public void injectStyleFile(String urlFile) {
+  public void injectCSSFileFromUrl(String urlFile) {
     if (webView != null)
-      webView.injectStyleFile(urlFile);
+      webView.injectCSSFileFromUrl(urlFile);
   }
 
   public HashMap<String, Object> getCopyBackForwardList() {

android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/InAppWebView/InAppWebViewClient.java

@@ -7,7 +7,6 @@ import android.net.http.SslCertificate;
 import android.net.http.SslError;
 import android.os.Build;
 import android.os.Bundle;
-import android.util.Base64;
 import android.util.Log;
 import android.webkit.ClientCertRequest;
 import android.webkit.CookieManager;
@@ -15,7 +14,6 @@ import android.webkit.CookieSyncManager;
 import android.webkit.HttpAuthHandler;
 import android.webkit.SafeBrowsingResponse;
 import android.webkit.SslErrorHandler;
-import android.webkit.ValueCallback;
 import android.webkit.WebResourceRequest;
 import android.webkit.WebResourceResponse;
 import android.webkit.WebView;
@@ -61,60 +59,7 @@ public class InAppWebViewClient extends WebViewClient {
       this.inAppBrowserActivity = (InAppBrowserActivity) obj;
     else if (obj instanceof FlutterWebView)
       this.flutterWebView = (FlutterWebView) obj;
-    prepareStatusCodeMapping();
   }
-
-  private void prepareStatusCodeMapping() {
-    statusCodeMapping.put(100, "Continue");
-    statusCodeMapping.put(101, "Switching Protocols");
-    statusCodeMapping.put(200, "OK");
-    statusCodeMapping.put(201, "Created");
-    statusCodeMapping.put(202, "Accepted");
-    statusCodeMapping.put(203, "Non-Authoritative Information");
-    statusCodeMapping.put(204, "No Content");
-    statusCodeMapping.put(205, "Reset Content");
-    statusCodeMapping.put(206, "Partial Content");
-    statusCodeMapping.put(300, "Multiple Choices");
-    statusCodeMapping.put(301, "Moved Permanently");
-    statusCodeMapping.put(302, "Found");
-    statusCodeMapping.put(303, "See Other");
-    statusCodeMapping.put(304, "Not Modified");
-    statusCodeMapping.put(307, "Temporary Redirect");
-    statusCodeMapping.put(308, "Permanent Redirect");
-    statusCodeMapping.put(400, "Bad Request");
-    statusCodeMapping.put(401, "Unauthorized");
-    statusCodeMapping.put(403, "Forbidden");
-    statusCodeMapping.put(404, "Not Found");
-    statusCodeMapping.put(405, "Method Not Allowed");
-    statusCodeMapping.put(406, "Not Acceptable");
-    statusCodeMapping.put(407, "Proxy Authentication Required");
-    statusCodeMapping.put(408, "Request Timeout");
-    statusCodeMapping.put(409, "Conflict");
-    statusCodeMapping.put(410, "Gone");
-    statusCodeMapping.put(411, "Length Required");
-    statusCodeMapping.put(412, "Precondition Failed");
-    statusCodeMapping.put(413, "Payload Too Large");
-    statusCodeMapping.put(414, "URI Too Long");
-    statusCodeMapping.put(415, "Unsupported Media Type");
-    statusCodeMapping.put(416, "Range Not Satisfiable");
-    statusCodeMapping.put(417, "Expectation Failed");
-    statusCodeMapping.put(418, "I'm a teapot");
-    statusCodeMapping.put(422, "Unprocessable Entity");
-    statusCodeMapping.put(425, "Too Early");
-    statusCodeMapping.put(426, "Upgrade Required");
-    statusCodeMapping.put(428, "Precondition Required");
-    statusCodeMapping.put(429, "Too Many Requests");
-    statusCodeMapping.put(431, "Request Header Fields Too Large");
-    statusCodeMapping.put(451, "Unavailable For Legal Reasons");
-    statusCodeMapping.put(500, "Internal Server Error");
-    statusCodeMapping.put(501, "Not Implemented");
-    statusCodeMapping.put(502, "Bad Gateway");
-    statusCodeMapping.put(503, "Service Unavailable");
-    statusCodeMapping.put(504, "Gateway Timeout");
-    statusCodeMapping.put(505, "HTTP Version Not Supported");
-    statusCodeMapping.put(511, "Network Authentication Required");
-  }
-
   @Override
   public boolean shouldOverrideUrlLoading(WebView webView, String url) {
 
@@ -183,21 +128,22 @@ public class InAppWebViewClient extends WebViewClient {
     return super.shouldOverrideUrlLoading(webView, url);
   }
 
-
-  /*
-   * onPageStarted fires the LOAD_START_EVENT
-   *
-   * @param view
-   * @param url
-   * @param favicon
-   */
   @Override
   public void onPageStarted(WebView view, String url, Bitmap favicon) {
 
     InAppWebView webView = (InAppWebView) view;
 
-    if (webView.options.useOnLoadResource)
-      webView.loadUrl("javascript:" + webView.resourceObserverJS.replaceAll("[\r\n]+", ""));
+    webView.loadUrl("javascript:" + InAppWebView.consoleLogJS.replaceAll("[\r\n]+", ""));
+    webView.loadUrl("javascript:" + JavaScriptBridgeInterface.flutterInAppBroserJSClass.replaceAll("[\r\n]+", ""));
+    if (webView.options.useShouldInterceptAjaxRequest) {
+      webView.loadUrl("javascript:" + InAppWebView.interceptAjaxRequestsJS.replaceAll("[\r\n]+", ""));
+    }
+    if (webView.options.useShouldInterceptFetchRequest) {
+      webView.loadUrl("javascript:" + InAppWebView.interceptFetchRequestsJS.replaceAll("[\r\n]+", ""));
+    }
+    if (webView.options.useOnLoadResource) {
+      webView.loadUrl("javascript:" + InAppWebView.resourceObserverJS.replaceAll("[\r\n]+", ""));
+    }
 
     super.onPageStarted(view, url, favicon);
 
@@ -215,8 +161,8 @@ public class InAppWebViewClient extends WebViewClient {
   }
 
 
-  public void onPageFinished(final WebView view, String url) {
-    InAppWebView webView = (InAppWebView) view;
+  public void onPageFinished(WebView view, String url) {
+    final InAppWebView webView = (InAppWebView) view;
 
     super.onPageFinished(view, url);
 
@@ -236,18 +182,9 @@ public class InAppWebViewClient extends WebViewClient {
     view.requestFocus();
 
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-      view.evaluateJavascript(InAppWebView.consoleLogJS, null);
-      view.evaluateJavascript(JavaScriptBridgeInterface.flutterInAppBroserJSClass, new ValueCallback<String>() {
-        @Override
-        public void onReceiveValue(String value) {
-          view.evaluateJavascript(InAppWebView.platformReadyJS, null);
-        }
-      });
-
+      webView.evaluateJavascript(InAppWebView.platformReadyJS, (MethodChannel.Result) null);
     } else {
-      view.loadUrl("javascript:" + InAppWebView.consoleLogJS);
-      view.loadUrl("javascript:" + JavaScriptBridgeInterface.flutterInAppBroserJSClass);
-      view.loadUrl("javascript:" + InAppWebView.platformReadyJS);
+      webView.loadUrl("javascript:" + InAppWebView.platformReadyJS.replaceAll("[\r\n]+", ""));
     }
 
     Map<String, Object> obj = new HashMap<>();

android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/InAppWebView/InAppWebViewOptions.java

@@ -29,6 +29,8 @@ public class InAppWebViewOptions extends Options {
   public List<String> resourceCustomSchemes = new ArrayList<>();
   public List<Map<String, Map<String, Object>>> contentBlockers = new ArrayList<>();
   public Integer preferredContentMode = PreferredContentModeOptionType.RECOMMENDED.toValue();
+  public Boolean useShouldInterceptAjaxRequest = false;
+  public Boolean useShouldInterceptFetchRequest = false;
 
   public boolean clearSessionCache = false;
   public boolean builtInZoomControls = false;

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

@@ -61,7 +61,7 @@ public class JavaScriptBridgeInterface {
               return;
             }
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-              webView.evaluateJavascript("window." + name + "[" + _callHandlerID + "](" + json + "); delete window." + name + "[" + _callHandlerID + "];", null);
+              webView.evaluateJavascript("window." + name + "[" + _callHandlerID + "](" + json + "); delete window." + name + "[" + _callHandlerID + "];", (MethodChannel.Result) null);
             }
             else {
               webView.loadUrl("javascript:window." + name + "[" + _callHandlerID + "](" + json + "); delete window." + name + "[" + _callHandlerID + "];");
@@ -82,42 +82,6 @@ public class JavaScriptBridgeInterface {
     });
   }
 
-  @JavascriptInterface
-  public void _resourceLoaded(String json) {
-    try {
-
-      JSONObject jsonObject = new JSONObject(json);
-
-      final Map<String, Object> obj = new HashMap<>();
-
-      if (inAppBrowserActivity != null)
-        obj.put("uuid", inAppBrowserActivity.uuid);
-
-      String initiatorType = jsonObject.getString("initiatorType");
-      String url = jsonObject.getString("name");
-      Double startTime = jsonObject.getDouble("startTime");
-      Double duration = jsonObject.getDouble("duration");
-
-      obj.put("initiatorType", initiatorType);
-      obj.put("url", url);
-      obj.put("startTime", startTime);
-      obj.put("duration", duration);
-
-      // java.lang.RuntimeException: Methods marked with @UiThread must be executed on the main thread.
-      // https://github.com/pichillilorenzo/flutter_inappbrowser/issues/98
-      final Handler handler = new Handler(Looper.getMainLooper());
-      handler.post(new Runnable() {
-        @Override
-        public void run() {
-          getChannel().invokeMethod("onLoadResource", obj);
-        }
-      });
-
-    } catch (final JSONException e) {
-      Log.e(LOG_TAG, "Json parsing error: " + e.getMessage());
-    }
-  }
-
   private MethodChannel getChannel() {
     return (inAppBrowserActivity != null) ? InAppBrowserFlutterPlugin.inAppBrowser.channel : flutterWebView.channel;
   }

example/assets/index.html

@@ -55,23 +55,43 @@
             console.log("ready");
 
             window.flutter_inappbrowser.callHandler('handlerFoo').then(function(result) {
-                console.log(result, typeof result);
-                console.log(JSON.stringify(result), result.bar);
+                //console.log(result, typeof result);
+                //console.log(JSON.stringify(result), result.bar);
             });
 
             window.flutter_inappbrowser.callHandler('handlerFooWithArgs', 1, true, ['bar', 5], {foo: 'baz'}).then(function(result) {
-                console.log(result, typeof result);
-                console.log(JSON.stringify(result));
+                //console.log(result, typeof result);
+                //console.log(JSON.stringify(result));
             });
         });
         $(document).ready(function() {
+
+            console.log("jQuery ready");
+
+            var xhttp = new XMLHttpRequest();
+            xhttp.addEventListener("load", function() {
+              console.log(this.responseText);
+            });
+            xhttp.open("POST", "http://192.168.1.20:8082/test-ajax-post");
+            xhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+            xhttp.send("name=Lorenzo");
+
+            var xhttp2 = new XMLHttpRequest();
+            xhttp2.open("GET", "http://192.168.1.20:8082/test-download-file");
+            xhttp2.send();
+
+            fetch(new Request("http://192.168.1.20:8082/test-download-file")).then(function(response) {
+                console.log(response);
+            }).catch(function(error) {
+                console.error("ERROR: " + error);
+            });
+
             /*
             alert("Alert Popup");
             console.log(confirm("Press a button!"));
             console.log(prompt("Please enter your name", "Lorenzo"));
             */
 
-            console.log("jQuery ready");
             /*
             if ("geolocation" in navigator) {
                 console.log("Geolocation API enabled");

example/ios/Flutter/flutter_export_environment.sh

@@ -2,9 +2,10 @@
 # This is a generated file; do not edit or check into version control.
 export "FLUTTER_ROOT=/Users/lorenzopichilli/flutter"
 export "FLUTTER_APPLICATION_PATH=/Users/lorenzopichilli/Desktop/flutter_inappbrowser/example"
-export "FLUTTER_TARGET=lib/main.dart"
+export "FLUTTER_TARGET=/Users/lorenzopichilli/Desktop/flutter_inappbrowser/example/lib/main.dart"
 export "FLUTTER_BUILD_DIR=build"
 export "SYMROOT=${SOURCE_ROOT}/../build/ios"
 export "FLUTTER_FRAMEWORK_DIR=/Users/lorenzopichilli/flutter/bin/cache/artifacts/engine/ios"
 export "FLUTTER_BUILD_NAME=1.0.0"
 export "FLUTTER_BUILD_NUMBER=1"
+export "TRACK_WIDGET_CREATION=true"

example/ios/Runner.xcodeproj/project.pbxproj

@@ -268,7 +268,6 @@
 			inputPaths = (
 				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh",
 				"${PODS_ROOT}/../.symlinks/flutter/ios/Flutter.framework",
-				"${BUILT_PRODUCTS_DIR}/WKWebViewWithURLProtocol/WKWebViewWithURLProtocol.framework",
 				"${BUILT_PRODUCTS_DIR}/flutter_downloader/flutter_downloader.framework",
 				"${BUILT_PRODUCTS_DIR}/flutter_inappbrowser/flutter_inappbrowser.framework",
 				"${BUILT_PRODUCTS_DIR}/path_provider/path_provider.framework",
@@ -276,7 +275,6 @@
 			name = "[CP] Embed Pods Frameworks";
 			outputPaths = (
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Flutter.framework",
-				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/WKWebViewWithURLProtocol.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/flutter_downloader.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/flutter_inappbrowser.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/path_provider.framework",

example/lib/inline_example.screen.dart

@@ -93,11 +93,13 @@ class _InlineExampleScreenState extends State<InlineExampleScreen> {
             initialOptions: InAppWebViewWidgetOptions(
               inAppWebViewOptions: InAppWebViewOptions(
                 debuggingEnabled: true,
-                //clearCache: true,
+                clearCache: true,
                 useShouldOverrideUrlLoading: true,
                 useOnTargetBlank: true,
-                //useOnLoadResource: true,
+                useOnLoadResource: true,
                 useOnDownloadStart: true,
+                useShouldInterceptAjaxRequest: true,
+                useShouldInterceptFetchRequest: true,
                 //preferredContentMode: InAppWebViewUserPreferredContentMode.DESKTOP,
                 resourceCustomSchemes: ["my-special-custom-scheme"],
                 contentBlockers: [
@@ -286,6 +288,29 @@ class _InlineExampleScreenState extends State<InlineExampleScreen> {
             onFindResultReceived: (InAppWebViewController controller, int activeMatchOrdinal, int numberOfMatches, bool isDoneCounting) async {
               print("Current highlighted: $activeMatchOrdinal, Number of matches found: $numberOfMatches, find operation completed: $isDoneCounting");
             },
+            shouldInterceptAjaxRequest: (InAppWebViewController controller, AjaxRequest ajaxRequest) async {
+              print("AJAX REQUEST: ${ajaxRequest.method} - ${ajaxRequest.url}, DATA: ${ajaxRequest.data}");
+//              ajaxRequest.method = "GET";
+//              ajaxRequest.url = "http://192.168.1.20:8082/test-download-file";
+//              ajaxRequest.headers = {
+//                "Custom-Header": "Custom-Value"
+//              };
+//              return ajaxRequest;
+              return null;
+            },
+            onAjaxReadyStateChange: (InAppWebViewController controller, AjaxRequest ajaxRequest) async {
+              print("AJAX READY STATE CHANGE: ${ajaxRequest.method} - ${ajaxRequest.url}, ${ajaxRequest.status}, ${ajaxRequest.readyState}, ${ajaxRequest.responseType}, ${ajaxRequest.responseText}, ${ajaxRequest.responseHeaders}");
+              return null;
+            },
+            onAjaxProgressEvent: (InAppWebViewController controller, AjaxRequest ajaxRequest) async {
+              print("AJAX EVENT: ${ajaxRequest.method} - ${ajaxRequest.url}, ${ajaxRequest.event.type}, LOADED: ${ajaxRequest.event.loaded}, ${ajaxRequest.responseHeaders}");
+              return null;
+            },
+            shouldInterceptFetchRequest: (InAppWebViewController controller, FetchRequest fetchRequest) async {
+              print("FETCH REQUEST: ${fetchRequest.method} - ${fetchRequest.url}");
+              fetchRequest.action = FetchRequestAction.ABORT;
+              return fetchRequest;
+            },
           ),
         ),
       ),

ios/Classes/FlutterWebViewController.swift

@@ -161,33 +161,33 @@ public class FlutterWebViewController: NSObject, FlutterPlatformView {
                     result(false)
                 }
                 break
-            case "injectScriptCode":
+            case "evaluateJavascript":
                 if webView != nil {
                     let source = (arguments!["source"] as? String)!
-                    webView!.injectScriptCode(source: source, result: result)
+                    webView!.evaluateJavascript(source: source, result: result)
                 }
                 else {
                     result("")
                 }
                 break
-            case "injectScriptFile":
+            case "injectJavascriptFileFromUrl":
                 if webView != nil {
                     let urlFile = (arguments!["urlFile"] as? String)!
-                    webView!.injectScriptFile(urlFile: urlFile)
+                    webView!.injectJavascriptFileFromUrl(urlFile: urlFile)
                 }
                 result(true)
                 break
-            case "injectStyleCode":
+            case "injectCSSCode":
                 if webView != nil {
                     let source = (arguments!["source"] as? String)!
-                    webView!.injectStyleCode(source: source)
+                    webView!.injectCSSCode(source: source)
                 }
                 result(true)
                 break
-            case "injectStyleFile":
+            case "injectCSSFileFromUrl":
                 if webView != nil {
                     let urlFile = (arguments!["urlFile"] as? String)!
-                    webView!.injectStyleFile(urlFile: urlFile)
+                    webView!.injectCSSFileFromUrl(urlFile: urlFile)
                 }
                 result(true)
                 break

ios/Classes/InAppWebViewOptions.swift

@@ -26,6 +26,8 @@ public class InAppWebViewOptions: Options {
     var resourceCustomSchemes: [String] = []
     var contentBlockers: [[String: [String : Any]]] = []
     var minimumFontSize = 0;
+    var useShouldInterceptAjaxRequest = false
+    var useShouldInterceptFetchRequest = false
 
     var disallowOverScroll = false
     var enableViewportScale = false

ios/Classes/SwiftFlutterPlugin.swift

@@ -195,19 +195,19 @@ public class SwiftFlutterPlugin: NSObject, FlutterPlugin {
                     result(false)
                 }
                 break
-            case "injectScriptCode":
-                self.injectScriptCode(uuid: uuid, arguments: arguments!, result: result)
+            case "evaluateJavascript":
+                self.evaluateJavascript(uuid: uuid, arguments: arguments!, result: result)
                 break
-            case "injectScriptFile":
-                self.injectScriptFile(uuid: uuid, arguments: arguments!)
+            case "injectJavascriptFileFromUrl":
+                self.injectJavascriptFileFromUrl(uuid: uuid, arguments: arguments!)
                 result(true)
                 break
-            case "injectStyleCode":
-                self.injectStyleCode(uuid: uuid, arguments: arguments!)
+            case "injectCSSCode":
+                self.injectCSSCode(uuid: uuid, arguments: arguments!)
                 result(true)
                 break
-            case "injectStyleFile":
-                self.injectStyleFile(uuid: uuid, arguments: arguments!)
+            case "injectCSSFileFromUrl":
+                self.injectCSSFileFromUrl(uuid: uuid, arguments: arguments!)
                 result(true)
                 break
             case "takeScreenshot":
@@ -665,30 +665,30 @@ public class SwiftFlutterPlugin: NSObject, FlutterPlugin {
         }
     }
     
-    public func injectScriptCode(uuid: String, arguments: NSDictionary, result: @escaping FlutterResult) {
+    public func evaluateJavascript(uuid: String, arguments: NSDictionary, result: @escaping FlutterResult) {
         if let webViewController = self.webViewControllers[uuid] {
-            webViewController!.webView.injectScriptCode(source: arguments["source"] as! String, result: result)
+            webViewController!.webView.evaluateJavascript(source: arguments["source"] as! String, result: result)
         }
         else {
             result(FlutterError(code: "InAppBrowserFlutterPlugin", message: "webView is null", details: nil))
         }
     }
     
-    public func injectScriptFile(uuid: String, arguments: NSDictionary) {
+    public func injectJavascriptFileFromUrl(uuid: String, arguments: NSDictionary) {
         if let webViewController = self.webViewControllers[uuid] {
-            webViewController!.webView.injectScriptFile(urlFile: arguments["urlFile"] as! String)
+            webViewController!.webView.injectJavascriptFileFromUrl(urlFile: arguments["urlFile"] as! String)
         }
     }
     
-    public func injectStyleCode(uuid: String, arguments: NSDictionary) {
+    public func injectCSSCode(uuid: String, arguments: NSDictionary) {
         if let webViewController = self.webViewControllers[uuid] {
-            webViewController!.webView.injectStyleCode(source: arguments["source"] as! String)
+            webViewController!.webView.injectCSSCode(source: arguments["source"] as! String)
         }
     }
     
-    public func injectStyleFile(uuid: String, arguments: NSDictionary) {
+    public func injectCSSFileFromUrl(uuid: String, arguments: NSDictionary) {
         if let webViewController = self.webViewControllers[uuid] {
-            webViewController!.webView.injectStyleFile(urlFile: arguments["urlFile"] as! String)
+            webViewController!.webView.injectCSSFileFromUrl(urlFile: arguments["urlFile"] as! String)
         }
     }
     

ios/flutter_inappbrowser.podspec

@@ -19,5 +19,4 @@ A new Flutter plugin.
   
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'VALID_ARCHS[sdk=iphonesimulator*]' => 'x86_64' }
   s.swift_version = '5.0'
-  s.dependency "WKWebViewWithURLProtocol"
 end

lib/src/types.dart

@@ -58,6 +58,27 @@ class LoadedResource {
 
 }
 
+///Initial [data] as a content for an [InAppWebView] instance, using [baseUrl] as the base URL for it.
+///The [mimeType] property specifies the format of the data.
+///The [encoding] property specifies the encoding of the data.
+class InAppWebViewInitialData {
+  String data;
+  String mimeType;
+  String encoding;
+  String baseUrl;
+
+  InAppWebViewInitialData(this.data, {this.mimeType = "text/html", this.encoding = "utf8", this.baseUrl = "about:blank"});
+
+  Map<String, String> toMap() {
+    return {
+      "data": data,
+      "mimeType": mimeType,
+      "encoding": encoding,
+      "baseUrl": baseUrl
+    };
+  }
+}
+
 /*
 ///Public class representing a resource request of the WebView.
 ///It is used by the event [shouldInterceptRequest()].
@@ -671,4 +692,163 @@ class ChromeSafariBrowserClassOptions {
   IosSafariOptions iosSafariOptions;
 
   ChromeSafariBrowserClassOptions({this.androidChromeCustomTabsOptions, this.iosSafariOptions});
+}
+
+///
+class AjaxRequestAction {
+  final int _value;
+  const AjaxRequestAction._internal(this._value);
+  toValue() => _value;
+
+  static const ABORT = const AjaxRequestAction._internal(0);
+  static const PROCEED = const AjaxRequestAction._internal(1);
+}
+
+///
+class AjaxRequestEventType {
+  final String _value;
+  const AjaxRequestEventType._internal(this._value);
+  static AjaxRequestEventType fromValue(String value) {
+    return (["loadstart", "load", "loadend", "progress", "error", "abort"].contains(value)) ? AjaxRequestEventType._internal(value) : null;
+  }
+  toValue() => _value;
+  String toString() => _value;
+
+  static const LOADSTART = const AjaxRequestEventType._internal("loadstart");
+  static const LOAD = const AjaxRequestEventType._internal("load");
+  static const LOADEND = const AjaxRequestEventType._internal("loadend");
+  static const PROGRESS = const AjaxRequestEventType._internal("progress");
+  static const ERROR = const AjaxRequestEventType._internal("error");
+  static const ABORT = const AjaxRequestEventType._internal("abort");
+}
+
+///
+class AjaxRequestEvent {
+  AjaxRequestEventType type;
+  int loaded;
+  bool lengthComputable;
+
+  AjaxRequestEvent({this.type, this.loaded, this.lengthComputable});
+}
+
+///
+class AjaxRequestReadyState {
+  final int _value;
+  const AjaxRequestReadyState._internal(this._value);
+  static AjaxRequestReadyState fromValue(int value) {
+    if (value != null && value >= 0 && value <= 4)
+      return AjaxRequestReadyState._internal(value);
+    return null;
+  }
+  toValue() => _value;
+  String toString() => _value.toString();
+
+  static const UNSENT = const AjaxRequestReadyState._internal(0);
+  static const OPENED = const AjaxRequestReadyState._internal(1);
+  static const HEADERS_RECEIVED = const AjaxRequestReadyState._internal(2);
+  static const LOADING = const AjaxRequestReadyState._internal(3);
+  static const DONE = const AjaxRequestReadyState._internal(4);
+}
+
+///
+class AjaxRequest {
+  dynamic data;
+  String method;
+  String url;
+  bool isAsync;
+  String user;
+  String password;
+  bool withCredentials;
+  Map<dynamic, dynamic> headers;
+  AjaxRequestReadyState readyState;
+  int status;
+  String responseURL;
+  String responseType;
+  String responseText;
+  String statusText;
+  Map<dynamic, dynamic> responseHeaders;
+  AjaxRequestEvent event;
+  AjaxRequestAction action;
+
+  AjaxRequest({this.data, this.method, this.url, this.isAsync, this.user, this.password,
+    this.withCredentials, this.headers, this.readyState, this.status, this.responseURL, this.responseType,
+    this.responseText, this.statusText, this.responseHeaders, this.event, this.action = AjaxRequestAction.PROCEED});
+
+  Map<String, dynamic> toMap() {
+    return {
+      "data": data,
+      "method": method,
+      "url": url,
+      "isAsync": isAsync,
+      "user": user,
+      "password": password,
+      "withCredentials": withCredentials,
+      "headers": headers,
+      "readyState": readyState?.toValue(),
+      "status": status,
+      "responseURL": responseURL,
+      "responseType": responseType,
+      "responseText": responseText,
+      "statusText": statusText,
+      "responseHeaders": responseHeaders,
+      "action": action?.toValue()
+    };
+  }
+
+  Map<String, dynamic> toJson() {
+    return this.toMap();
+  }
+}
+
+///
+class FetchRequestAction {
+  final int _value;
+  const FetchRequestAction._internal(this._value);
+  toValue() => _value;
+
+  static const ABORT = const FetchRequestAction._internal(0);
+  static const PROCEED = const FetchRequestAction._internal(1);
+}
+
+///
+class FetchRequest {
+  String url;
+  String method;
+  Map<dynamic, dynamic> headers;
+  dynamic body;
+  String mode;
+  String credentials;
+  String cache;
+  String redirect;
+  String referrer;
+  String referrerPolicy;
+  String integrity;
+  bool keepalive;
+  FetchRequestAction action;
+
+  FetchRequest({this.url, this.method, this.headers, this.body, this.mode, this.credentials,
+    this.cache, this.redirect, this.referrer, this.referrerPolicy, this.integrity, this.keepalive,
+    this.action = FetchRequestAction.PROCEED});
+
+  Map<String, dynamic> toMap() {
+    return {
+      "url": url,
+      "method": method,
+      "headers": headers,
+      "body": body,
+      "mode": mode,
+      "credentials": credentials,
+      "cache": cache,
+      "redirect": redirect,
+      "referrer": referrer,
+      "referrerPolicy": referrerPolicy,
+      "integrity": integrity,
+      "keepalive": keepalive,
+      "action": action?.toValue()
+    };
+  }
+
+  Map<String, dynamic> toJson() {
+    return this.toMap();
+  }
 }
\ No newline at end of file

lib/src/webview_options.dart

@@ -54,11 +54,14 @@ class InAppWebViewOptions implements WebViewOptions, BrowserOptions, AndroidOpti
   List<String> resourceCustomSchemes;
   List<ContentBlocker> contentBlockers;
   InAppWebViewUserPreferredContentMode preferredContentMode;
+  bool useShouldInterceptAjaxRequest;
+  bool useShouldInterceptFetchRequest;
 
   InAppWebViewOptions({this.useShouldOverrideUrlLoading = false, this.useOnLoadResource = false, this.useOnDownloadStart = false, this.useOnTargetBlank = false,
     this.clearCache = false, this.userAgent = "", this.javaScriptEnabled = true, this.debuggingEnabled = false, this.javaScriptCanOpenWindowsAutomatically = false,
     this.mediaPlaybackRequiresUserGesture = true, this.textZoom = 100, this.minimumFontSize, this.verticalScrollBarEnabled = true, this.horizontalScrollBarEnabled = true,
-    this.resourceCustomSchemes = const [], this.contentBlockers = const [], this.preferredContentMode = InAppWebViewUserPreferredContentMode.RECOMMENDED}) {
+    this.resourceCustomSchemes = const [], this.contentBlockers = const [], this.preferredContentMode = InAppWebViewUserPreferredContentMode.RECOMMENDED,
+    this.useShouldInterceptAjaxRequest = false, this.useShouldInterceptFetchRequest = false}) {
       if (this.minimumFontSize == null)
         this.minimumFontSize = Platform.isAndroid ? 8 : 0;
       assert(!this.resourceCustomSchemes.contains("http") && !this.resourceCustomSchemes.contains("https"));
@@ -87,7 +90,9 @@ class InAppWebViewOptions implements WebViewOptions, BrowserOptions, AndroidOpti
       "horizontalScrollBarEnabled": horizontalScrollBarEnabled,
       "resourceCustomSchemes": resourceCustomSchemes,
       "contentBlockers": contentBlockersMapList,
-      "preferredContentMode": preferredContentMode?.toValue()
+      "preferredContentMode": preferredContentMode?.toValue(),
+      "useShouldInterceptAjaxRequest": useShouldInterceptAjaxRequest,
+      "useShouldInterceptFetchRequest": useShouldInterceptFetchRequest
     };
   }
 

nodejs_server_test_auth_basic_and_ssl/index.js

 // Example of the server https is taken from here: https://engineering.circle.com/https-authorized-certs-with-node-js-315e548354a2
 // Conversion of client1-crt.pem to certificate.pfx: https://stackoverflow.com/a/38408666/4637638
 const express = require('express')
-var https = require('https')
+const https = require('https')
+const cors = require('cors')
 const auth = require('basic-auth')
 const app = express()
 const appHttps = express()
 const appAuthBasic = express()
 const fs = require('fs')
+const path = require('path')
 
 var options = { 
   key: fs.readFileSync('server-key.pem'), 
@@ -17,6 +19,7 @@ var options = {
 };
 
 appHttps.get('/', (req, res) => {
+  console.log(JSON.stringify(req.headers))
 	const cert = req.connection.getPeerCertificate()
 
 // The `req.client.authorized` flag will be true if the certificate is valid and was issued by a CA we white-listed
@@ -48,7 +51,8 @@ appHttps.get('/', (req, res) => {
 })
 
 appHttps.get('/fakeResource', (req, res) => {
-    res.set("Content-Type", "text/javascript")
+  console.log(JSON.stringify(req.headers))
+  res.set("Content-Type", "text/javascript")
 	res.send(`alert("HI");`)
 	res.end()
 })
@@ -70,6 +74,7 @@ appAuthBasic.use((req, res, next) => {
 })
 
 appAuthBasic.get("/", (req, res) => {
+  console.log(JSON.stringify(req.headers))
   res.send(`
     <html>
       <head>
@@ -87,10 +92,13 @@ appAuthBasic.listen(8081)
 // Parse URL-encoded bodies (as sent by HTML forms)
 app.use(express.urlencoded());
 
+app.use(cors());
+
 // Parse JSON bodies (as sent by API clients)
 app.use(express.json());
 
 app.get("/", (req, res) => {
+  console.log(JSON.stringify(req.headers))
   res.send(`
     <html>
       <head>
@@ -104,6 +112,7 @@ app.get("/", (req, res) => {
 })
 
 app.post("/test-post", (req, res) => {
+  console.log(JSON.stringify(req.headers))
   res.send(`
     <html>
       <head>
@@ -115,4 +124,27 @@ app.post("/test-post", (req, res) => {
   `);
   res.end()
 })
+
+app.post("/test-ajax-post", (req, res) => {
+  console.log(JSON.stringify(req.headers))
+  res.set("Content-Type", "application/json")
+  res.send(JSON.stringify({
+    "name": req.body.name,
+    "key2": "value2"
+  }))
+  res.end()
+})
+
+app.get("/test-download-file", (req, res) => {
+  console.log(JSON.stringify(req.headers))
+  const filePath = path.join(__dirname, 'assets', 'flutter_logo.png');
+  const stat = fs.statSync(filePath);
+  const file = fs.readFileSync(filePath, 'binary');
+  res.setHeader('Content-Length', stat.size);
+  res.setHeader('Content-Type', 'image/png');
+  res.setHeader('Content-Disposition', 'attachment; filename=flutter_logo.png');
+  res.write(file, 'binary');
+  res.end();
+})
+
 app.listen(8082)
\ No newline at end of file

nodejs_server_test_auth_basic_and_ssl/package-lock.json

@@ -71,6 +71,15 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
+    "cors": {
+      "version": "2.8.5",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
+      "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
+      "requires": {
+        "object-assign": "^4",
+        "vary": "^1"
+      }
+    },
     "debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -248,6 +257,11 @@
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz",
       "integrity": "sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw=="
     },
+    "object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
+    },
     "on-finished": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",

nodejs_server_test_auth_basic_and_ssl/package.json

@@ -10,6 +10,7 @@
   "license": "ISC",
   "dependencies": {
     "basic-auth": "latest",
+    "cors": "^2.8.5",
     "express": "latest",
     "https": "latest"
   }