fixed ajax interceptor javascript code, re-added...

fixed ajax interceptor javascript code, re-added flutterInAppBrowserPlatformReady javascript for the window object, tests moved inside example folder using flutter driver

CHANGELOG.md

@@ -45,7 +45,6 @@
 - Renamed `injectScriptCode` to `evaluateJavascript`
 - Renamed `injectStyleCode` to `injectCSSCode`
 - Renamed `injectStyleFile` to `injectCSSFileFromUrl`
-- No need to listen to `window.addEventListener("flutterInAppBrowserPlatformReady", fuction(){ })` javascript event anymore to call `window.flutter_inappbrowser.callHandler(handlerName <String>, ...args)` to use the JavaScript message handlers
 
 ## 1.2.1
 

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

@@ -85,6 +85,8 @@ final public class InAppWebView extends InputAwareWebView {
           "   }" +
           "})(window.console);";
 
+  static final String platformReadyJS = "window.dispatchEvent(new Event('flutterInAppBrowserPlatformReady'));";
+
   static final String variableForOnLoadResourceJS = "window._flutter_inappbrowser_useOnLoadResource";
   static final String enableVariableForOnLoadResourceJS = variableForOnLoadResourceJS + " = $PLACEHOLDER_VALUE;";
 
@@ -148,7 +150,6 @@ final public class InAppWebView extends InputAwareWebView {
           "  };" +
           "  ajax.prototype.setRequestHeader = function(header, value) {" +
           "    this._flutter_inappbrowser_request_headers[header] = value;" +
-          "    setRequestHeader.call(this, header, value);" +
           "  };" +
           "  function handleEvent(e) {" +
           "    var self = this;" +
@@ -289,7 +290,11 @@ final public class InAppWebView extends InputAwareWebView {
           "          };" +
           "          for (var header in result.headers) {" +
           "            var value = result.headers[header];" +
-          "            self.setRequestHeader(header, value);" +
+          "            self._flutter_inappbrowser_request_headers[header] = value;" +
+          "          };" +
+          "          for (var header in self._flutter_inappbrowser_request_headers) {" +
+          "            var value = self._flutter_inappbrowser_request_headers[header];" +
+          "            setRequestHeader.call(self, header, value);" +
           "          };" +
           "          if ((self._flutter_inappbrowser_method != result.method && result.method != null) || (self._flutter_inappbrowser_url != result.url && result.url != null)) {" +
           "            self.abort();" +

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

@@ -136,16 +136,23 @@ public class InAppWebViewClient extends WebViewClient {
 
     InAppWebView webView = (InAppWebView) view;
 
-    webView.loadUrl("javascript:" + InAppWebView.consoleLogJS.replaceAll("[\r\n]+", ""));
-    webView.loadUrl("javascript:" + JavaScriptBridgeInterface.flutterInAppBroserJSClass.replaceAll("[\r\n]+", ""));
+    String js = InAppWebView.consoleLogJS.replaceAll("[\r\n]+", "");
+    js += JavaScriptBridgeInterface.flutterInAppBroserJSClass.replaceAll("[\r\n]+", "");
+
     if (webView.options.useShouldInterceptAjaxRequest) {
-      webView.loadUrl("javascript:" + InAppWebView.interceptAjaxRequestsJS.replaceAll("[\r\n]+", ""));
+      js += InAppWebView.interceptAjaxRequestsJS.replaceAll("[\r\n]+", "");
     }
     if (webView.options.useShouldInterceptFetchRequest) {
-      webView.loadUrl("javascript:" + InAppWebView.interceptFetchRequestsJS.replaceAll("[\r\n]+", ""));
+      js += InAppWebView.interceptFetchRequestsJS.replaceAll("[\r\n]+", "");
     }
     if (webView.options.useOnLoadResource) {
-      webView.loadUrl("javascript:" + InAppWebView.resourceObserverJS.replaceAll("[\r\n]+", ""));
+      js += InAppWebView.resourceObserverJS.replaceAll("[\r\n]+", "");
+    }
+
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+      webView.evaluateJavascript(js, (ValueCallback<String>) null);
+    } else {
+      webView.loadUrl("javascript:" + js);
     }
 
     onPageStartedURL = url;
@@ -184,6 +191,14 @@ public class InAppWebViewClient extends WebViewClient {
     view.clearFocus();
     view.requestFocus();
 
+    String js = InAppWebView.platformReadyJS.replaceAll("[\r\n]+", "");
+
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+      webView.evaluateJavascript(js, (ValueCallback<String>) null);
+    } else {
+      webView.loadUrl("javascript:" + js);
+    }
+
     Map<String, Object> obj = new HashMap<>();
     if (inAppBrowserActivity != null)
       obj.put("uuid", inAppBrowserActivity.uuid);

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

@@ -28,7 +28,7 @@ public class JavaScriptBridgeInterface {
     "return new Promise(function(resolve, reject) {" +
     "  window." + name + "[_callHandlerID] = resolve;" +
     "});" +
-  "}";
+  "};";
 
   public JavaScriptBridgeInterface(Object obj) {
     if (obj instanceof InAppBrowserActivity)

example/assets/index.html

@@ -77,14 +77,16 @@
             window.location = "#foo-" + randomNumber;
         }
 
-        window.flutter_inappbrowser.callHandler('handlerFoo').then(function(result) {
-            console.log(result, typeof result);
-            console.log(JSON.stringify(result), result.bar);
-        });
+        window.addEventListener("flutterInAppBrowserPlatformReady", function(event) {
+            window.flutter_inappbrowser.callHandler('handlerFoo').then(function(result) {
+                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));
+            window.flutter_inappbrowser.callHandler('handlerFooWithArgs', 1, true, ['bar', 5], {foo: 'baz'}).then(function(result) {
+                console.log(result, typeof result);
+                console.log(JSON.stringify(result));
+            });
         });
 
         $(document).ready(function() {

example/lib/inline_example.screen.dart

@@ -289,9 +289,10 @@ class _InlineExampleScreenState extends State<InlineExampleScreen> {
               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}");
+              print("AJAX REQUEST: ${ajaxRequest.method} - ${ajaxRequest.url}, DATA: ${ajaxRequest.data}, headers: ${ajaxRequest.headers}");
               if (ajaxRequest.url == "http://192.168.1.20:8082/test-ajax-post") {
                 ajaxRequest.responseType = 'json';
+                ajaxRequest.data = "firstname=Lorenzo&lastname=Pichilli";
               }
 //              ajaxRequest.method = "GET";
 //              ajaxRequest.url = "http://192.168.1.20:8082/test-download-file";

example/pubspec.yaml

@@ -22,14 +22,13 @@ dependencies:
   flutter_downloader: ^1.3.2
   path_provider: ^1.4.0
   permission_handler: ^3.3.0
+  flutter_inappbrowser:
+    path: ../
 
 dev_dependencies:
-  flutter_test:
+  flutter_driver:
     sdk: flutter
-  ansicolor: 1.0.2
-
-  flutter_inappbrowser:
-      path: ../
+  test: any
 
 # For information on the generic Dart part of this file, see the
 # following page: https://www.dartlang.org/tools/pub/pubspec
@@ -50,6 +49,14 @@ flutter:
     - assets/css/
     - assets/images/
     - assets/favicon.ico
+    - test_assets/certificate.pfx
+    - test_assets/in_app_webview_initial_file_test.html
+    - test_assets/in_app_webview_on_load_resource_test.html
+    - test_assets/in_app_webview_javascript_handler_test.html
+    - test_assets/in_app_webview_ajax_test.html
+    - test_assets/css/
+    - test_assets/images/
+    - test_assets/favicon.ico
 
   # To add assets to your application, add an assets section, like this:
   # assets:

example/test/custom_widget_test.dart

-import 'package:ansicolor/ansicolor.dart';
-import 'package:flutter/widgets.dart';
-
-class WidgetTest extends StatefulWidget {
-  final String name;
-
-  WidgetTest({this.name, Key key}): super(key: key) {
-    AnsiPen pen = new AnsiPen()..white()..rgb(r: 1.0, g: 0.8, b: 0.2);
-    print("\n");
-    print(pen("'" + this.name + "' test loading..."));
-    print("\n");
-  }
-
-  @override
-  State<StatefulWidget> createState() {
-    return null;
-  }
-}
\ No newline at end of file

example/test/util_test.dart

-import 'package:ansicolor/ansicolor.dart';
-import 'package:flutter/foundation.dart';
-import 'package:flutter/material.dart';
-
-import 'custom_widget_test.dart';
-
-int countTestPassed = 0;
-int countTestFailed = 0;
-int currentTest = 0;
-List<String> testRoutes = [
-  '/',
-  '/InAppWebViewInitialFileTest',
-  '/InAppWebViewOnLoadResourceTest'
-];
-
-void nextTest({@required BuildContext context}) {
-  if (currentTest + 1 < testRoutes.length) {
-    currentTest++;
-    String nextRoute = testRoutes[currentTest];
-    Navigator.pushReplacementNamed(context, nextRoute);
-  } else {
-    AnsiPen penError = new AnsiPen()..white()..rgb(r: 1.0, g: 0.0, b: 0.0);
-    AnsiPen penSuccess = new AnsiPen()..white()..rgb(r: 0.0, g: 1.0, b: 0.0);
-
-    if (countTestFailed > 0)
-      print("\n" + penError("Total tests failed $countTestFailed.") + "\n");
-    if (countTestPassed > 0)
-      print("\n" + penSuccess("Total tests passed $countTestPassed.") + "\n");
-  }
-}
-
-bool customAssert({WidgetTest widget, String name, @required bool value}) {
-  try {
-    assert(value);
-  } catch (e, stackTrace) {
-    String message = "${widget != null ? "'" + widget.name + "' - " : ""} ERROR - Failed assertion: ";
-    List<String> stakTraceSplitted = stackTrace.toString().split("\n");
-    String lineCallingAssert = stakTraceSplitted[3].trim().substring(2).trim();
-
-    AnsiPen penError = new AnsiPen()..white()..rgb(r: 1.0, g: 0.0, b: 0.0);
-    print("\n" + penError(message + lineCallingAssert) + "\n");
-    countTestFailed++;
-    return false;
-  }
-  countTestPassed++;
-  try {
-    throw Exception();
-  } on Exception catch(e, stackTrace) {
-    String message = "${widget != null ? "'" + widget.name + "' - " : ""} Test ";
-    message += (name != null) ? "'$name' " : "";
-    message += "passed!";
-    List<String> stakTraceSplitted = stackTrace.toString().split("\n");
-    String lineCallingAssert = stakTraceSplitted[1].trim().substring(2).trim();
-    message += " $lineCallingAssert";
-
-    AnsiPen pen = new AnsiPen()..white()..rgb(r: 1.0, g: 0.8, b: 0.2);
-    print("\n" + pen(message) + "\n");
-  }
-  return true;
-}
\ No newline at end of file

example/test_assets/css/style.css

+/*
+ * Globals
+ */
+
+/* Links */
+a,
+a:focus,
+a:hover {
+  color: #fff;
+}
+
+/* Custom default button */
+.btn-secondary,
+.btn-secondary:hover,
+.btn-secondary:focus {
+  color: #333;
+  text-shadow: none; /* Prevent inheritance from `body` */
+  background-color: #fff;
+  border: .05rem solid #fff;
+}
+
+
+/*
+ * Base structure
+ */
+
+html,
+body {
+  height: 100%;
+  background-color: #333;
+}
+
+body {
+  display: -ms-flexbox;
+  display: flex;
+  color: #fff;
+  text-shadow: 0 .05rem .1rem rgba(0, 0, 0, .5);
+  box-shadow: inset 0 0 5rem rgba(0, 0, 0, .5);
+}
+
+.cover-container {
+  max-width: 42em;
+}
+
+
+/*
+ * Header
+ */
+.masthead {
+  margin-bottom: 2rem;
+}
+
+.masthead-brand {
+  margin-bottom: 0;
+}
+
+.nav-masthead .nav-link {
+  padding: .25rem 0;
+  font-weight: 700;
+  color: rgba(255, 255, 255, .5);
+  background-color: transparent;
+  border-bottom: .25rem solid transparent;
+}
+
+.nav-masthead .nav-link:hover,
+.nav-masthead .nav-link:focus {
+  border-bottom-color: rgba(255, 255, 255, .25);
+}
+
+.nav-masthead .nav-link + .nav-link {
+  margin-left: 1rem;
+}
+
+.nav-masthead .active {
+  color: #fff;
+  border-bottom-color: #fff;
+}
+
+@media (min-width: 48em) {
+  .masthead-brand {
+    float: left;
+  }
+  .nav-masthead {
+    float: right;
+  }
+}
+
+
+/*
+ * Cover
+ */
+.cover {
+  padding: 0 1.5rem;
+}
+.cover .btn-lg {
+  padding: .75rem 1.25rem;
+  font-weight: 700;
+}
+
+
+/*
+ * Footer
+ */
+.mastfoot {
+  color: rgba(255, 255, 255, .5);
+}
\ No newline at end of file

example/test_assets/in_app_webview_ajax_test.html

+<!doctype html>
+<html lang="en">
+    <head>
+        <meta charset="UTF-8">
+        <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+        <meta http-equiv="X-UA-Compatible" content="ie=edge">
+        <title>InAppWebViewAjaxTest</title>
+    </head>
+    <body>
+        <h1>InAppWebViewAjaxTest</h1>
+        <script>
+          window.addEventListener('flutterInAppBrowserPlatformReady', function(event) {
+            var xhttp = new XMLHttpRequest();
+            xhttp.open("POST", "http://192.168.1.20:8082/test-ajax-post");
+            xhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+            xhttp.send("firstname=Foo&lastname=Bar");
+
+            var xhttp2 = new XMLHttpRequest();
+            xhttp2.open("GET", "http://192.168.1.20:8082/test-download-file");
+            xhttp2.send();
+          });
+        </script>
+    </body>
+</html>
\ No newline at end of file

example/test_assets/in_app_webview_initial_file_test.html

+<!doctype html>
+<html lang="en">
+    <head>
+        <meta charset="UTF-8">
+        <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+        <meta http-equiv="X-UA-Compatible" content="ie=edge">
+        <title>InAppWebViewInitialFileTest</title>
+        <link rel="stylesheet" href="https://getbootstrap.com/docs/4.3/dist/css/bootstrap.min.css">
+        <link rel="stylesheet" href="css/style.css">
+        <script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
+        <link rel="shortcut icon" href="favicon.ico">
+    </head>
+    <body class="text-center">
+        <div class="cover-container d-flex w-100 h-100 p-3 mx-auto flex-column">
+            <header class="masthead mb-auto">
+                <div class="inner">
+                    <h3 class="masthead-brand">InAppWebViewInitialFileTest</h3>
+                    <nav class="nav nav-masthead justify-content-center">
+                        <a class="nav-link active" href="index.html">Home</a>
+                        <a class="nav-link" href="page-1.html">Page 1</a>
+                        <a class="nav-link" href="page-2.html">Page 2</a>
+                    </nav>
+                </div>
+            </header>
+
+            <main role="main" class="inner cover">
+                <h1 class="cover-heading">InAppWebViewInitialFileTest</h1>
+                <img src="images/flutter-logo.svg" alt="flutter logo">
+                <p>
+                    <img src="https://via.placeholder.com/100x50" alt="placeholder 100x50">
+                </p>
+            </main>
+        </div>
+    </body>
+</html>
\ No newline at end of file

example/test_assets/in_app_webview_javascript_handler_test.html

+<!doctype html>
+<html lang="en">
+    <head>
+        <meta charset="UTF-8">
+        <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+        <meta http-equiv="X-UA-Compatible" content="ie=edge">
+        <title>InAppWebViewJavaScriptHandlerTest</title>
+    </head>
+    <body>
+        <h1>InAppWebViewJavaScriptHandlerTest</h1>
+        <script>
+            window.addEventListener("flutterInAppBrowserPlatformReady", function(event) {
+                window.flutter_inappbrowser.callHandler('handlerFoo').then(function(result) {
+                    window.flutter_inappbrowser.callHandler('handlerFooWithArgs', 1, true, ['bar', 5], {foo: 'baz'}, result).then(function(result) {
+
+                    });
+                });
+            });
+        </script>
+    </body>
+</html>
\ No newline at end of file

example/test_assets/in_app_webview_on_load_resource_test.html

+<!doctype html>
+<html lang="en">
+    <head>
+        <meta charset="UTF-8">
+        <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+        <meta http-equiv="X-UA-Compatible" content="ie=edge">
+        <title>InAppWebViewOnLoadResourceTest</title>
+        <link rel="stylesheet" href="https://getbootstrap.com/docs/4.3/dist/css/bootstrap.min.css">
+        <link rel="stylesheet" href="css/style.css">
+        <script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
+        <link rel="shortcut icon" href="favicon.ico">
+    </head>
+    <body class="text-center">
+        <div class="cover-container d-flex w-100 h-100 p-3 mx-auto flex-column">
+            <main role="main" class="inner cover">
+                <h1 class="cover-heading">InAppWebViewOnLoadResourceTest</h1>
+                <img src="images/flutter-logo.svg" alt="flutter logo">
+                <p>
+                    <img src="https://via.placeholder.com/100x50" alt="placeholder 100x50">
+                </p>
+            </main>
+        </div>
+    </body>
+</html>
\ No newline at end of file

example/test_assets/index.html

+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <title>Flutter InAppBrowser</title>
+    <link rel="stylesheet" href="http://getbootstrap.com/docs/4.3/dist/css/bootstrap.min.css">
+    <link rel="stylesheet" href="css/style.css">
+    <script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
+    <link rel="shortcut icon" href="favicon.ico">
+</head>
+<body class="text-center">
+    <div class="cover-container d-flex w-100 h-100 p-3 mx-auto flex-column">
+        <header class="masthead mb-auto">
+            <div class="inner">
+                <h3 class="masthead-brand">Flutter InAppBrowser</h3>
+                <nav class="nav nav-masthead justify-content-center">
+                    <a class="nav-link active" href="index.html">Home</a>
+                    <a class="nav-link" href="page-1.html">Page 1</a>
+                    <a class="nav-link" href="page-2.html">Page 2</a>
+                </nav>
+            </div>
+        </header>
+
+        <main role="main" class="inner cover">
+            <h1 class="cover-heading">Inline WebView</h1>
+            <img src="my-special-custom-scheme://images/flutter-logo.svg" alt="flutter logo">
+            <p class="lead">Cover is a one-page template for building simple and beautiful home pages. Download, edit the text, and add your own fullscreen background photo to make it your own.</p>
+            <select name="" id="">
+                <option value="1">option 1</option>
+                <option value="2">option 2</option>
+            </select>
+            <input type="file">
+            <input type="file" accept="image/*" capture>
+            <button onclick="testHistoryPush1()">History Push 1</button>
+            <button onclick="testHistoryPush2()">History Push 2</button>
+            <button onclick="testLocationHref()">Location Href</button>
+            <p>
+                <img src="https://via.placeholder.com/100x50" alt="placeholder 100x50">
+            </p>
+        </main>
+
+        <!--<form method="POST" action="http://192.168.1.20:8082/test-post">
+            <input type="text" name="name" placeholder="name" value="Lorenzo">
+            <input type="submit" value="SEND">
+        </form>-->
+
+        <footer class="mastfoot mt-auto">
+            <div class="inner">
+                <p>Cover template for <a target="_blank" href="https://getbootstrap.com/">Bootstrap</a>, by <a href="https://twitter.com/mdo">@mdo</a>.</p>
+                <p>Phone link example <a href="tel:1-408-555-5555">1-408-555-5555</a></p>
+                <p>Email link example <a href="mailto:example@gmail.com">example@gmail.com</a></p>
+            </div>
+        </footer>
+    </div>
+
+    <script>
+
+        var state = { 'page_id': 1, 'user_id': 5 };
+        function testHistoryPush1() {
+            var randomNumber = 100 * Math.random();
+            var title = 'Hello World ' + randomNumber;
+            var url = 'hello-foo-' + randomNumber + '.html';
+            history.pushState(state, title, url);
+        }
+
+        function testHistoryPush2() {
+            var randomNumber = 100 * Math.random();
+            var title = 'Hello World ' + randomNumber;
+            var url = 'hello-bar-' + randomNumber + '.html';
+            history.replaceState(state, title, url);
+        }
+
+        function testLocationHref() {
+            var randomNumber = 100 * Math.random();
+            window.location = "#foo-" + randomNumber;
+        }
+
+        window.addEventListener("flutterInAppBrowserPlatformReady", function(event) {
+            window.flutter_inappbrowser.callHandler('handlerFoo').then(function(result) {
+                window.flutter_inappbrowser.callHandler('handlerFooWithArgs', 1, true, ['bar', 5], {foo: 'baz'}, result).then(function(result) {
+
+                });
+            });
+        });
+
+        $(document).ready(function() {
+
+            console.log("jQuery ready");
+
+            var xhttp = new XMLHttpRequest();
+            xhttp.addEventListener("load", function() {
+              console.log(this.response);
+            });
+            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);
+            });
+
+            fetch("http://192.168.1.20:8082/test-ajax-post", {
+                method: 'POST',
+                body: JSON.stringify({
+                    name: 'Lorenzo Fetch API'
+                }),
+                headers: {
+                  'Content-Type': 'application/json'
+                }
+            }).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"));
+            */
+
+            /*
+            if ("geolocation" in navigator) {
+                console.log("Geolocation API enabled");
+                navigator.geolocation.getCurrentPosition(function(position) {
+                    console.log(position.coords.latitude, position.coords.longitude);
+                });
+            } else {
+                console.log("No geolocation API");
+            }
+            */
+        });
+    </script>
+</body>
+</html>
\ No newline at end of file

example/test_assets/page-1.html

+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <title>Flutter InAppBrowser</title>
+    <link rel="stylesheet" href="https://getbootstrap.com/docs/4.3/dist/css/bootstrap.min.css">
+    <link rel="stylesheet" href="css/style.css">
+    <script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
+</head>
+<body class="text-center">
+    <div class="cover-container d-flex w-100 h-100 p-3 mx-auto flex-column">
+        <header class="masthead mb-auto">
+            <div class="inner">
+                <h3 class="masthead-brand">Flutter InAppBrowser</h3>
+                <nav class="nav nav-masthead justify-content-center">
+                    <a class="nav-link" href="index.html">Home</a>
+                    <a class="nav-link active" href="page-1.html">Page 1</a>
+                    <a class="nav-link" href="page-2.html">Page 2</a>
+                </nav>
+            </div>
+        </header>
+
+        <main role="main" class="inner cover">
+            <h1 class="cover-heading">Page 1</h1>
+            <p class="lead">Cover is a one-page template for building simple and beautiful home pages. Download, edit the text, and add your own fullscreen background photo to make it your own.</p>
+            <p class="lead">
+                <a href="#" class="btn btn-lg btn-secondary">Learn more</a>
+            </p>
+        </main>
+
+        <footer class="mastfoot mt-auto">
+            <div class="inner">
+                <p>Cover template for <a href="https://getbootstrap.com/">Bootstrap</a>, by <a href="https://twitter.com/mdo">@mdo</a>.</p>
+            </div>
+        </footer>
+    </div>
+</body>
+</html>
\ No newline at end of file

example/test_assets/page-2.html

+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <title>Flutter InAppBrowser</title>
+    <link rel="stylesheet" href="https://getbootstrap.com/docs/4.3/dist/css/bootstrap.min.css">
+    <link rel="stylesheet" href="css/style.css">
+    <script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
+</head>
+<body class="text-center">
+    <div class="cover-container d-flex w-100 h-100 p-3 mx-auto flex-column">
+        <header class="masthead mb-auto">
+            <div class="inner">
+                <h3 class="masthead-brand">Flutter InAppBrowser</h3>
+                <nav class="nav nav-masthead justify-content-center">
+                    <a class="nav-link" href="index.html">Home</a>
+                    <a class="nav-link" href="page-1.html">Page 1</a>
+                    <a class="nav-link active" href="page-2.html">Page 2</a>
+                </nav>
+            </div>
+        </header>
+
+        <main role="main" class="inner cover">
+            <h1 class="cover-heading">Page 2</h1>
+            <p class="lead">Cover is a one-page template for building simple and beautiful home pages. Download, edit the text, and add your own fullscreen background photo to make it your own.</p>
+            <p class="lead">
+                <a href="#" class="btn btn-lg btn-secondary">Learn more</a>
+            </p>
+        </main>
+
+        <footer class="mastfoot mt-auto">
+            <div class="inner">
+                <p>Cover template for <a href="https://getbootstrap.com/">Bootstrap</a>, by <a href="https://twitter.com/mdo">@mdo</a>.</p>
+            </div>
+        </footer>
+    </div>
+</body>
+</html>
\ No newline at end of file

example/test_driver/app.dart

+import 'package:flutter_driver/driver_extension.dart';
+import 'app_test.dart';
+import 'main_test.dart' as app;
+
+void main() {
+  // This line enables the extension.
+  enableFlutterDriverExtension();
+
+  // Call the `main()` function of the app, or call `runApp` with
+  // any widget you are interested in testing.
+  app.main();
+}
\ No newline at end of file

example/test_driver/app_test.dart

+// Imports the Flutter Driver API.
+import 'dart:async';
+
+import 'package:flutter/cupertino.dart';
+import 'package:flutter_driver/flutter_driver.dart';
+import 'package:test/test.dart';
+
+void main() {
+
+  group('Flutter InAppBrowser', () {
+    FlutterDriver driver;
+
+    // Connect to the Flutter driver before running any tests.
+    setUpAll(() async {
+      driver = await FlutterDriver.connect();
+    });
+
+    // Close the connection to the driver after the tests have completed.
+    tearDownAll(() async {
+      if (driver != null) {
+        driver.close();
+      }
+    });
+
+    myTest({@required String name, @required Function callback, Timeout timeout}) {
+      timeout = (timeout == null) ? new Timeout(new Duration(minutes: 5)) : timeout;
+      test(name, () async {
+        await Future.delayed(const Duration(milliseconds: 2000));
+        callback();
+      }, timeout: timeout);
+    }
+
+    //
+    // IMPORTANT NOTE!!!
+    // These tests need to follow the same order of "var routes" in "buildRoutes()" function
+    // defined in main_test.dart
+    //
+
+    myTest(name: 'InAppWebViewInitialUrlTest', callback: () async {
+      final appBarTitle = find.byValueKey('AppBarTitle');
+
+      while((await driver.getText(appBarTitle)) == "InAppWebViewInitialUrlTest") {
+        await Future.delayed(const Duration(milliseconds: 1000));
+      }
+
+      String url = await driver.getText(appBarTitle);
+      expect(url, "https://flutter.dev/");
+    });
+
+    myTest(name: 'InAppWebViewInitialFileTest', callback: () async {
+      final appBarTitle = find.byValueKey('AppBarTitle');
+
+      while((await driver.getText(appBarTitle)) == "InAppWebViewInitialFileTest") {
+        await Future.delayed(const Duration(milliseconds: 1000));
+      }
+
+      String title = await driver.getText(appBarTitle);
+      expect(title, "true");
+    });
+
+    myTest(name: 'InAppWebViewOnLoadResourceTest', callback: () async {
+      List<String> resourceList = [
+        "https://getbootstrap.com/docs/4.3/dist/css/bootstrap.min.css",
+        "https://code.jquery.com/jquery-3.3.1.min.js",
+        "https://via.placeholder.com/100x50"
+      ];
+      final appBarTitle = find.byValueKey('AppBarTitle');
+
+      while((await driver.getText(appBarTitle)) == "InAppWebViewOnLoadResourceTest") {
+        await Future.delayed(const Duration(milliseconds: 1000));
+      }
+
+      String title = await driver.getText(appBarTitle);
+      print(title);
+      for (String resource in resourceList) {
+        expect(true, title.contains(resource));
+      }
+    });
+
+    myTest(name: 'InAppWebViewJavaScriptHandlerTest', callback: () async {
+      final appBarTitle = find.byValueKey('AppBarTitle');
+
+      while((await driver.getText(appBarTitle)) == "InAppWebViewJavaScriptHandlerTest") {
+        await Future.delayed(const Duration(milliseconds: 1000));
+      }
+
+      String title = await driver.getText(appBarTitle);
+      expect(true, !title.contains("false"));
+    });
+
+    myTest(name: 'InAppWebViewAjaxTest', callback: () async {
+      final appBarTitle = find.byValueKey('AppBarTitle');
+
+      while((await driver.getText(appBarTitle)) == "InAppWebViewAjaxTest") {
+        await Future.delayed(const Duration(milliseconds: 1000));
+      }
+
+      String title = await driver.getText(appBarTitle);
+      expect(title, "Lorenzo Pichilli Lorenzo Pichilli");
+    });
+  });
+}
\ No newline at end of file

example/test_driver/custom_widget_test.dart

+import 'package:flutter/widgets.dart';
+
+import 'package:flutter_inappbrowser/flutter_inappbrowser.dart';
+
+class WidgetTest extends StatefulWidget {
+  final WidgetTestState state = WidgetTestState();
+
+  WidgetTest({Key key}): super(key: key);
+
+  @override
+  WidgetTestState createState() {
+    return state;
+  }
+}
+
+class WidgetTestState extends State<WidgetTest> {
+  InAppWebViewController webView;
+  String appBarTitle;
+
+  @override
+  Widget build(BuildContext context) {
+    return null;
+  }
+}
\ No newline at end of file

example/test_driver/in_app_webview_ajax_test.dart

+import 'package:flutter/material.dart';
+
+import 'package:flutter_inappbrowser/flutter_inappbrowser.dart';
+
+import 'main_test.dart';
+import 'util_test.dart';
+import 'custom_widget_test.dart';
+
+class InAppWebViewAjaxTest extends WidgetTest {
+  final InAppWebViewAjaxTestState state = InAppWebViewAjaxTestState();
+
+  @override
+  InAppWebViewAjaxTestState createState() => state;
+}
+
+class InAppWebViewAjaxTestState extends WidgetTestState {
+  String appBarTitle = "InAppWebViewAjaxTest";
+  int totTests = 2;
+  int testsDone = 0;
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+        appBar: myAppBar(state: this, title: appBarTitle),
+        body: Container(
+            child: Column(children: <Widget>[
+              Expanded(
+                child: Container(
+                  child: InAppWebView(
+                    initialFile: "test_assets/in_app_webview_ajax_test.html",
+                    initialHeaders: {},
+                    initialOptions: InAppWebViewWidgetOptions(
+                        inAppWebViewOptions: InAppWebViewOptions(
+                            clearCache: true,
+                            debuggingEnabled: true,
+                            useShouldInterceptAjaxRequest: true,
+                        )
+                    ),
+                    onWebViewCreated: (InAppWebViewController controller) {
+                      webView = controller;
+                    },
+                    onLoadStart: (InAppWebViewController controller, String url) {
+
+                    },
+                    onLoadStop: (InAppWebViewController controller, String url) {
+
+                    },
+                    shouldInterceptAjaxRequest: (InAppWebViewController controller, AjaxRequest ajaxRequest) async {
+                      if (ajaxRequest.url.endsWith("/test-ajax-post")) {
+                        ajaxRequest.responseType = 'json';
+                        ajaxRequest.data = "firstname=Lorenzo&lastname=Pichilli";
+                      }
+                      return ajaxRequest;
+                    },
+                    onAjaxReadyStateChange: (InAppWebViewController controller, AjaxRequest ajaxRequest) async {
+                      if (ajaxRequest.readyState == AjaxRequestReadyState.DONE && ajaxRequest.status == 200 && ajaxRequest.url.endsWith("/test-ajax-post")) {
+                        Map<String, Object> res = ajaxRequest.response;
+                        appBarTitle = (appBarTitle == "InAppWebViewAjaxTest") ? res['fullname'] : appBarTitle + " " + res['fullname'];
+                        updateCountTest(context: context);
+                      }
+                      return AjaxRequestAction.PROCEED;
+                    },
+                    onAjaxProgress: (InAppWebViewController controller, AjaxRequest ajaxRequest) async {
+                      if (ajaxRequest.event.type == AjaxRequestEventType.LOAD && ajaxRequest.url.endsWith("/test-ajax-post")) {
+                        Map<String, Object> res = ajaxRequest.response;
+                        appBarTitle = (appBarTitle == "InAppWebViewAjaxTest") ? res['fullname'] : appBarTitle + " " + res['fullname'];
+                        updateCountTest(context: context);
+                      }
+                      return AjaxRequestAction.PROCEED;
+                    },
+                  ),
+                ),
+              ),
+            ])
+        )
+    );
+  }
+
+  void updateCountTest({@required BuildContext context}) {
+    testsDone++;
+    if (testsDone == totTests) {
+      setState(() {  });
+      nextTest(context: context, state: this);
+    }
+  }
+}

example/test/in_app_webview_initial_file_test.dart → example/test_driver/in_app_webview_initial_file_test.dart

@@ -2,34 +2,37 @@ import 'package:flutter/material.dart';
 
 import 'package:flutter_inappbrowser/flutter_inappbrowser.dart';
 
+import 'main_test.dart';
 import 'util_test.dart';
 import 'custom_widget_test.dart';
 
 class InAppWebViewInitialFileTest extends WidgetTest {
-  InAppWebViewInitialFileTest(): super(name: "InAppWebViewInitialFileTest");
+  final InAppWebViewInitialFileTestState state = InAppWebViewInitialFileTestState();
 
   @override
-  _InAppWebViewInitialFileTestState createState() => new _InAppWebViewInitialFileTestState();
+  InAppWebViewInitialFileTestState createState() => state;
 }
 
-class _InAppWebViewInitialFileTestState extends State<InAppWebViewInitialFileTest> {
-  InAppWebViewController webView;
-  String initialUrl = "https://flutter.dev/";
+class InAppWebViewInitialFileTestState extends WidgetTestState {
+  String appBarTitle = "InAppWebViewInitialFileTest";
 
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-        appBar: AppBar(
-          title: Text('InAppWebViewInitialFileTest'),
-        ),
+        appBar: myAppBar(state: this, title: appBarTitle),
         body: Container(
             child: Column(children: <Widget>[
               Expanded(
                 child: Container(
                   child: InAppWebView(
-                    initialFile: "assets/index.html",
+                    initialFile: "test_assets/in_app_webview_initial_file_test.html",
                     initialHeaders: {},
-                    initialOptions: InAppWebViewWidgetOptions(),
+                    initialOptions: InAppWebViewWidgetOptions(
+                        inAppWebViewOptions: InAppWebViewOptions(
+                            clearCache: true,
+                            debuggingEnabled: true
+                        )
+                    ),
                     onWebViewCreated: (InAppWebViewController controller) {
                       webView = controller;
                     },
@@ -37,8 +40,10 @@ class _InAppWebViewInitialFileTestState extends State<InAppWebViewInitialFileTes
 
                     },
                     onLoadStop: (InAppWebViewController controller, String url) {
-                      customAssert(widget: widget, name: "initialFile", value: true);
-                      nextTest(context: context);
+                      setState(() {
+                        appBarTitle = "true";
+                      });
+                      nextTest(context: context, state: this);
                     },
                   ),
                 ),

example/test/in_app_webview_initial_url_test.dart → example/test_driver/in_app_webview_initial_url_test.dart

@@ -2,26 +2,25 @@ import 'package:flutter/material.dart';
 
 import 'package:flutter_inappbrowser/flutter_inappbrowser.dart';
 
-import 'util_test.dart';
 import 'custom_widget_test.dart';
+import 'main_test.dart';
+import 'util_test.dart';
 
 class InAppWebViewInitialUrlTest extends WidgetTest {
-  InAppWebViewInitialUrlTest(): super(name: "InAppWebViewInitialUrlTest");
+  final InAppWebViewInitialUrlTestState state = InAppWebViewInitialUrlTestState();
 
   @override
-  _InAppWebViewInitialUrlTestState createState() => new _InAppWebViewInitialUrlTestState();
+  InAppWebViewInitialUrlTestState createState() => state;
 }
 
-class _InAppWebViewInitialUrlTestState extends State<InAppWebViewInitialUrlTest> {
-  InAppWebViewController webView;
+class InAppWebViewInitialUrlTestState extends WidgetTestState {
   String initialUrl = "https://flutter.dev/";
+  String appBarTitle = "InAppWebViewInitialUrlTest";
 
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-        appBar: AppBar(
-          title: Text('InAppWebViewInitialUrlTest'),
-        ),
+        appBar: myAppBar(state: this, title: appBarTitle),
         body: Container(
             child: Column(children: <Widget>[
               Expanded(
@@ -29,7 +28,12 @@ class _InAppWebViewInitialUrlTestState extends State<InAppWebViewInitialUrlTest>
                   child: InAppWebView(
                     initialUrl: initialUrl,
                     initialHeaders: {},
-                    initialOptions: InAppWebViewWidgetOptions(),
+                    initialOptions: InAppWebViewWidgetOptions(
+                        inAppWebViewOptions: InAppWebViewOptions(
+                            clearCache: true,
+                            debuggingEnabled: true
+                        )
+                    ),
                     onWebViewCreated: (InAppWebViewController controller) {
                       webView = controller;
                     },
@@ -37,8 +41,10 @@ class _InAppWebViewInitialUrlTestState extends State<InAppWebViewInitialUrlTest>
 
                     },
                     onLoadStop: (InAppWebViewController controller, String url) {
-                      customAssert(widget: widget, name: "initialUrl", value: url == initialUrl);
-                      nextTest(context: context);
+                      setState(() {
+                        appBarTitle = url;
+                      });
+                      nextTest(context: context, state: this);
                     },
                   ),
                 ),

example/test_driver/in_app_webview_javascript_handler_test.dart

+import 'package:flutter/material.dart';
+
+import 'package:flutter_inappbrowser/flutter_inappbrowser.dart';
+
+import 'main_test.dart';
+import 'util_test.dart';
+import 'custom_widget_test.dart';
+
+class Foo {
+  String bar;
+  String baz;
+
+  Foo({this.bar, this.baz});
+
+  Map<String, dynamic> toJson() {
+    return {
+      'bar': this.bar,
+      'baz': this.baz
+    };
+  }
+}
+
+class InAppWebViewJavaScriptHandlerTest extends WidgetTest {
+  final InAppWebViewJavaScriptHandlerTestState state = InAppWebViewJavaScriptHandlerTestState();
+
+  @override
+  InAppWebViewJavaScriptHandlerTestState createState() => state;
+}
+
+class InAppWebViewJavaScriptHandlerTestState extends WidgetTestState {
+
+  String appBarTitle = "InAppWebViewJavaScriptHandlerTest";
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+        appBar: myAppBar(state: this, title: appBarTitle),
+        body: Container(
+            child: Column(children: <Widget>[
+              Expanded(
+                child: Container(
+                  child: InAppWebView(
+                    initialFile: "test_assets/in_app_webview_javascript_handler_test.html",
+                    initialHeaders: {},
+                    initialOptions: InAppWebViewWidgetOptions(
+                        inAppWebViewOptions: InAppWebViewOptions(
+                            clearCache: true,
+                            debuggingEnabled: true
+                        )
+                    ),
+                    onWebViewCreated: (InAppWebViewController controller) {
+                      webView = controller;
+
+                      controller.addJavaScriptHandler(handlerName:'handlerFoo', callback: (args) {
+                        appBarTitle = (args.length == 0).toString();
+                        return new Foo(bar: 'bar_value', baz: 'baz_value');
+                      });
+
+                      controller.addJavaScriptHandler(handlerName: 'handlerFooWithArgs', callback: (args) {
+                        appBarTitle += " " + (args[0] is int).toString();
+                        appBarTitle += " " + (args[1] is bool).toString();
+                        appBarTitle += " " + (args[2] is List).toString();
+                        appBarTitle += " " + (args[2] is List).toString();
+                        appBarTitle += " " + (args[3] is Map).toString();
+                        appBarTitle += " " + (args[4] is Map).toString();
+                        setState(() { });
+                        nextTest(context: context, state: this);
+                      });
+
+                    },
+                    onLoadStart: (InAppWebViewController controller, String url) {
+
+                    },
+                    onLoadStop: (InAppWebViewController controller, String url) {
+
+                    },
+                  ),
+                ),
+              ),
+            ])
+        )
+    );
+  }
+}

example/test/in_app_webview_on_load_resource_test.dart → example/test_driver/in_app_webview_on_load_resource_test.dart

@@ -2,41 +2,41 @@ import 'package:flutter/material.dart';
 
 import 'package:flutter_inappbrowser/flutter_inappbrowser.dart';
 
+import 'main_test.dart';
 import 'util_test.dart';
 import 'custom_widget_test.dart';
 
 class InAppWebViewOnLoadResourceTest extends WidgetTest {
-  InAppWebViewOnLoadResourceTest(): super(name: "InAppWebViewOnLoadResourceTest");
+  final InAppWebViewOnLoadResourceTestState state = InAppWebViewOnLoadResourceTestState();
 
   @override
-  _InAppWebViewOnLoadResourceTestState createState() => new _InAppWebViewOnLoadResourceTestState();
+  InAppWebViewOnLoadResourceTestState createState() => state;
 }
 
-class _InAppWebViewOnLoadResourceTestState extends State<InAppWebViewOnLoadResourceTest> {
-  InAppWebViewController webView;
+class InAppWebViewOnLoadResourceTestState extends WidgetTestState {
   List<String> resourceList = [
-    "http://getbootstrap.com/docs/4.3/dist/css/bootstrap.min.css",
+    "https://getbootstrap.com/docs/4.3/dist/css/bootstrap.min.css",
     "https://code.jquery.com/jquery-3.3.1.min.js",
     "https://via.placeholder.com/100x50"
   ];
   int countResources = 0;
+  String appBarTitle = "InAppWebViewOnLoadResourceTest";
 
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-        appBar: AppBar(
-          title: Text('InAppWebViewOnLoadResourceTest'),
-        ),
+        appBar: myAppBar(state: this, title: appBarTitle),
         body: Container(
             child: Column(children: <Widget>[
               Expanded(
                 child: Container(
                   child: InAppWebView(
-                    initialFile: "assets/index.html",
+                    initialFile: "test_assets/in_app_webview_on_load_resource_test.html",
                     initialHeaders: {},
                     initialOptions: InAppWebViewWidgetOptions(
                         inAppWebViewOptions: InAppWebViewOptions(
                           clearCache: true,
+                          debuggingEnabled: true,
                           useOnLoadResource: true
                         )
                     ),
@@ -50,10 +50,11 @@ class _InAppWebViewOnLoadResourceTestState extends State<InAppWebViewOnLoadResou
 
                     },
                     onLoadResource: (InAppWebViewController controller, LoadedResource response) {
-                      customAssert(widget: widget, name: "onLoadResource", value: resourceList.contains(response.url));
+                      appBarTitle = (appBarTitle == "InAppWebViewOnLoadResourceTest") ? response.url : appBarTitle + " " + response.url;
                       countResources++;
                       if (countResources == resourceList.length) {
-                        nextTest(context: context);
+                        setState(() {  });
+                        nextTest(context: context, state: this);
                       }
                     }
                   ),

example/test/main_test.dart → example/test_driver/main_test.dart

@@ -2,10 +2,43 @@ import 'dart:async';
 
 import 'package:flutter/material.dart';
 
+import 'custom_widget_test.dart';
+import 'in_app_webview_ajax_test.dart';
 import 'in_app_webview_initial_file_test.dart';
 import 'in_app_webview_initial_url_test.dart';
+import 'in_app_webview_javascript_handler_test.dart';
 import 'in_app_webview_on_load_resource_test.dart';
 
+List<String> testRoutes = [];
+Map<String, WidgetBuilder> buildRoutes({@required BuildContext context}) {
+  var routes = {
+    '/': (context) => InAppWebViewInitialUrlTest(),
+    '/InAppWebViewInitialFileTest': (context) => InAppWebViewInitialFileTest(),
+    '/InAppWebViewOnLoadResourceTest': (context) => InAppWebViewOnLoadResourceTest(),
+    '/InAppWebViewJavaScriptHandlerTest': (context) => InAppWebViewJavaScriptHandlerTest(),
+    '/InAppWebViewAjaxTest': (context) => InAppWebViewAjaxTest(),
+  };
+  routes.forEach((k, v) => testRoutes.add(k));
+  return routes;
+}
+
+AppBar myAppBar({@required WidgetTestState state, @required String title}) {
+  return AppBar(
+    title: Text(
+      title,
+      key: Key("AppBarTitle")
+    ),
+    actions: <Widget>[
+      IconButton(
+        icon: Icon(Icons.refresh),
+        onPressed: () {
+          if (state.webView != null)
+            state.webView.reload();
+        },
+      ),
+    ],
+  );
+}
 
 Future main() async {
   runApp(new MyApp());
@@ -33,11 +66,7 @@ class _MyAppState extends State<MyApp> {
     return MaterialApp(
       title: 'flutter_inappbrowser tests',
       initialRoute: '/',
-      routes: {
-        '/': (context) => InAppWebViewInitialUrlTest(),
-        '/InAppWebViewInitialFileTest': (context) => InAppWebViewInitialFileTest(),
-        '/InAppWebViewOnLoadResourceTest': (context) => InAppWebViewOnLoadResourceTest()
-      }
+      routes: buildRoutes(context: context)
     );
   }
 }
\ No newline at end of file

example/test_driver/util_test.dart

+import 'dart:async';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+
+import 'custom_widget_test.dart';
+import 'main_test.dart';
+
+int currentTest = 0;
+
+void nextTest({@required BuildContext context, @required WidgetTestState state}) {
+  if (currentTest + 1 < testRoutes.length) {
+    currentTest++;
+    String nextRoute = testRoutes[currentTest];
+    Future.delayed(const Duration(milliseconds: 2000)).then((value) {
+      Navigator.pushReplacementNamed(context, nextRoute);
+    });
+  }
+}
\ No newline at end of file

flutter_inappbrowser.iml

@@ -21,6 +21,15 @@
       <excludeFolder url="file://$MODULE_DIR$/example/ios/.symlinks/plugins/flutter_inappbrowser/example/.pub" />
       <excludeFolder url="file://$MODULE_DIR$/example/ios/.symlinks/plugins/flutter_inappbrowser/example/build" />
       <excludeFolder url="file://$MODULE_DIR$/example/ios/Flutter/App.framework/flutter_assets/packages" />
+      <excludeFolder url="file://$MODULE_DIR$/flutter_inappbrowser_tests/.dart_tool" />
+      <excludeFolder url="file://$MODULE_DIR$/flutter_inappbrowser_tests/.pub" />
+      <excludeFolder url="file://$MODULE_DIR$/flutter_inappbrowser_tests/build" />
+      <excludeFolder url="file://$MODULE_DIR$/test/.dart_tool" />
+      <excludeFolder url="file://$MODULE_DIR$/test/.pub" />
+      <excludeFolder url="file://$MODULE_DIR$/test1/build" />
+      <excludeFolder url="file://$MODULE_DIR$/tests/flutter_in_app_browser_test/.dart_tool" />
+      <excludeFolder url="file://$MODULE_DIR$/tests/flutter_in_app_browser_test/.pub" />
+      <excludeFolder url="file://$MODULE_DIR$/tests/flutter_in_app_browser_test/build" />
     </content>
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="Dart SDK" level="project" />

ios/Classes/CustomeSchemeHandler.swift

@@ -11,7 +11,10 @@ import WebKit
 
 @available(iOS 11.0, *)
 class CustomeSchemeHandler : NSObject, WKURLSchemeHandler {
+    var schemeHandlers: [Int:WKURLSchemeTask] = [:]
+    
     func webView(_ webView: WKWebView, start urlSchemeTask: WKURLSchemeTask) {
+        schemeHandlers[urlSchemeTask.hash] = urlSchemeTask
         let inAppWebView = webView as! InAppWebView
         if let url = urlSchemeTask.request.url, let scheme = url.scheme {
             inAppWebView.onLoadResourceCustomScheme(scheme: scheme, url: url.absoluteString, result: {(result) -> Void in
@@ -25,9 +28,12 @@ class CustomeSchemeHandler : NSObject, WKURLSchemeHandler {
                         json = r as! [String: Any]
                         let urlResponse = URLResponse(url: url, mimeType: json["content-type"] as! String, expectedContentLength: -1, textEncodingName: json["content-encoding"] as! String)
                         let data = json["data"] as! FlutterStandardTypedData
-                        urlSchemeTask.didReceive(urlResponse)
-                        urlSchemeTask.didReceive(data.data)
-                        urlSchemeTask.didFinish()
+                        if (self.schemeHandlers[urlSchemeTask.hash] != nil) {
+                            urlSchemeTask.didReceive(urlResponse)
+                            urlSchemeTask.didReceive(data.data)
+                            urlSchemeTask.didFinish()
+                            self.schemeHandlers.removeValue(forKey: urlSchemeTask.hash)
+                        }
                     }
                 }
             })
@@ -35,6 +41,6 @@ class CustomeSchemeHandler : NSObject, WKURLSchemeHandler {
     }
     
     func webView(_ webView: WKWebView, stop urlSchemeTask: WKURLSchemeTask) {
-        
+        schemeHandlers.removeValue(forKey: urlSchemeTask.hash)
     }
 }

ios/Classes/InAppWebView.swift

@@ -82,6 +82,8 @@ window.\(JAVASCRIPT_BRIDGE_NAME).callHandler = function() {
 }
 """
 
+let platformReadyJS = "window.dispatchEvent(new Event('flutterInAppBrowserPlatformReady'));";
+
 let findTextHighlightJS = """
 var wkwebview_SearchResultCount = 0;
 var wkwebview_CurrentHighlight = 0;
@@ -298,7 +300,6 @@ let interceptAjaxRequestsJS = """
   };
   ajax.prototype.setRequestHeader = function(header, value) {
     this._flutter_inappbrowser_request_headers[header] = value;
-    setRequestHeader.call(this, header, value);
   };
   function handleEvent(e) {
     var self = this;
@@ -439,7 +440,11 @@ let interceptAjaxRequestsJS = """
           };
           for (var header in result.headers) {
             var value = result.headers[header];
-            self.setRequestHeader(header, value);
+            self._flutter_inappbrowser_request_headers[header] = value;
+          };
+          for (var header in self._flutter_inappbrowser_request_headers) {
+            var value = self._flutter_inappbrowser_request_headers[header];
+            setRequestHeader.call(self, header, value);
           };
           if ((self._flutter_inappbrowser_method != result.method && result.method != null) || (self._flutter_inappbrowser_url != result.url && result.url != null)) {
             self.abort();
@@ -1342,6 +1347,7 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
     public func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
         currentURL = url
         InAppWebView.credentialsProposed = []
+        evaluateJavaScript(platformReadyJS, completionHandler: nil)
         onLoadStop(url: (currentURL?.absoluteString)!)
         
         if IABController != nil {

lib/src/content_blocker.dart

@@ -53,6 +53,11 @@ class ContentBlockerTriggerResourceType {
   static const SVG_DOCUMENT = const ContentBlockerTriggerResourceType._internal('svg-document');
   ///Any untyped load
   static const RAW = const ContentBlockerTriggerResourceType._internal('raw');
+
+  bool operator ==(value) => value == _value;
+
+  @override
+  int get hashCode => _value.hashCode;
 }
 
 ///ContentBlockerTriggerLoadType class represents the possible load type for a [ContentBlockerTrigger].
@@ -68,6 +73,11 @@ class ContentBlockerTriggerLoadType {
   static const FIRST_PARTY = const ContentBlockerTriggerLoadType._internal('first-party');
   ///THIRD_PARTY is triggered if the resource is not from the same domain as the main page resource.
   static const THIRD_PARTY = const ContentBlockerTriggerLoadType._internal('third-party');
+
+  bool operator ==(value) => value == _value;
+
+  @override
+  int get hashCode => _value.hashCode;
 }
 
 ///Trigger of the content blocker. The trigger tells to the WebView when to perform the corresponding action.
@@ -187,6 +197,11 @@ class ContentBlockerActionType {
   static const CSS_DISPLAY_NONE = const ContentBlockerActionType._internal('css-display-none');
   ///Changes a URL from http to https. URLs with a specified (nondefault) port and links using other protocols are unaffected.
   static const MAKE_HTTPS = const ContentBlockerActionType._internal('make-https');
+
+  bool operator ==(value) => value == _value;
+
+  @override
+  int get hashCode => _value.hashCode;
 }
 
 ///Action associated to the trigger. The action tells to the WebView what to do when the trigger is matched.

lib/src/in_app_browser.dart

@@ -97,7 +97,7 @@ class InAppBrowser {
   ///  uses-material-design: true
   ///
   ///  assets:
-  ///    - assets/t-rex.html
+  ///    - assets/index.html
   ///    - assets/css/
   ///    - assets/images/
   ///
@@ -106,7 +106,7 @@ class InAppBrowser {
   ///Example of a `main.dart` file:
   ///```dart
   ///...
-  ///inAppBrowser.openFile("assets/t-rex.html");
+  ///inAppBrowser.openFile("assets/index.html");
   ///...
   ///```
   ///

lib/src/in_app_webview.dart

@@ -153,6 +153,10 @@ class InAppWebView extends StatefulWidget {
   ///[ajaxRequest] represents the `XMLHttpRequest`.
   ///
   ///**NOTE**: In order to be able to listen this event, you need to set [InAppWebViewOptions.useShouldInterceptAjaxRequest] option to `true`.
+  ///Also, unlike iOS that has [WKUserScript](https://developer.apple.com/documentation/webkit/wkuserscript) that
+  ///can inject javascript code right after the document element is created but before any other content is loaded, in Android the javascript code
+  ///used to intercept ajax requests is loaded as soon as possible so it won't be instantaneous as iOS but just after some milliseconds (< ~100ms).
+  ///Inside the `window.addEventListener("flutterInAppBrowserPlatformReady")` event, the fetch requests will be intercept for sure.
   final Future<AjaxRequest> Function(InAppWebViewController controller, AjaxRequest ajaxRequest) shouldInterceptAjaxRequest;
 
   ///Event fired whenever the `readyState` attribute of an `XMLHttpRequest` changes.
@@ -161,6 +165,10 @@ class InAppWebView extends StatefulWidget {
   ///[ajaxRequest] represents the [XMLHttpRequest].
   ///
   ///**NOTE**: In order to be able to listen this event, you need to set [InAppWebViewOptions.useShouldInterceptAjaxRequest] option to `true`.
+  ///Also, unlike iOS that has [WKUserScript](https://developer.apple.com/documentation/webkit/wkuserscript) that
+  ///can inject javascript code right after the document element is created but before any other content is loaded, in Android the javascript code
+  ///used to intercept ajax requests is loaded as soon as possible so it won't be instantaneous as iOS but just after some milliseconds (< ~100ms).
+  ///Inside the `window.addEventListener("flutterInAppBrowserPlatformReady")` event, the fetch requests will be intercept for sure.
   final Future<AjaxRequestAction> Function(InAppWebViewController controller, AjaxRequest ajaxRequest) onAjaxReadyStateChange;
 
   ///Event fired as an `XMLHttpRequest` progress.
@@ -169,6 +177,10 @@ class InAppWebView extends StatefulWidget {
   ///[ajaxRequest] represents the [XMLHttpRequest].
   ///
   ///**NOTE**: In order to be able to listen this event, you need to set [InAppWebViewOptions.useShouldInterceptAjaxRequest] option to `true`.
+  ///Also, unlike iOS that has [WKUserScript](https://developer.apple.com/documentation/webkit/wkuserscript) that
+  ///can inject javascript code right after the document element is created but before any other content is loaded, in Android the javascript code
+  ///used to intercept ajax requests is loaded as soon as possible so it won't be instantaneous as iOS but just after some milliseconds (< ~100ms).
+  ///Inside the `window.addEventListener("flutterInAppBrowserPlatformReady")` event, the fetch requests will be intercept for sure.
   final Future<AjaxRequestAction> Function(InAppWebViewController controller, AjaxRequest ajaxRequest) onAjaxProgress;
 
   ///Event fired when an request is sent to a server through [Fetch API](https://developer.mozilla.org/it/docs/Web/API/Fetch_API).
@@ -177,6 +189,10 @@ class InAppWebView extends StatefulWidget {
   ///[fetchRequest] represents a resource request.
   ///
   ///**NOTE**: In order to be able to listen this event, you need to set [InAppWebViewOptions.useShouldInterceptFetchRequest] option to `true`.
+  ///Also, unlike iOS that has [WKUserScript](https://developer.apple.com/documentation/webkit/wkuserscript) that
+  ///can inject javascript code right after the document element is created but before any other content is loaded, in Android the javascript code
+  ///used to intercept fetch requests is loaded as soon as possible so it won't be instantaneous as iOS but just after some milliseconds (< ~100ms).
+  ///Inside the `window.addEventListener("flutterInAppBrowserPlatformReady")` event, the fetch requests will be intercept for sure.
   final Future<FetchRequest> Function(InAppWebViewController controller, FetchRequest fetchRequest) shouldInterceptFetchRequest;
 
   ///Event fired when the navigation state of the [InAppWebView] changes throught the usage of
@@ -922,7 +938,7 @@ class InAppWebViewController {
   ///  uses-material-design: true
   ///
   ///  assets:
-  ///    - assets/t-rex.html
+  ///    - assets/index.html
   ///    - assets/css/
   ///    - assets/images/
   ///
@@ -931,7 +947,7 @@ class InAppWebViewController {
   ///Example of a `main.dart` file:
   ///```dart
   ///...
-  ///inAppBrowser.loadFile("assets/t-rex.html");
+  ///inAppBrowser.loadFile("assets/index.html");
   ///...
   ///```
   Future<void> loadFile({@required String assetFilePath, Map<String, String> headers = const {}}) async {
@@ -1111,6 +1127,14 @@ class InAppWebViewController {
   ///The JavaScript function that can be used to call the handler is `window.flutter_inappbrowser.callHandler(handlerName <String>, ...args)`, where `args` are [rest parameters](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/rest_parameters).
   ///The `args` will be stringified automatically using `JSON.stringify(args)` method and then they will be decoded on the Dart side.
   ///
+  ///In order to call `window.flutter_inappbrowser.callHandler(handlerName <String>, ...args)` properly, you need to wait and listen the JavaScript event `flutterInAppBrowserPlatformReady`.
+  ///This event will be dispatch as soon as the platform (Android or iOS) is ready to handle the `callHandler` method.
+  ///```javascript
+  ///   window.addEventListener("flutterInAppBrowserPlatformReady", function(event) {
+  ///     console.log("ready");
+  ///   });
+  ///```
+  ///
   ///`window.flutter_inappbrowser.callHandler` returns a JavaScript [Promise](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise)
   ///that can be used to get the json result returned by [JavaScriptHandlerCallback].
   ///In this case, simply return data that you want to send and it will be automatically json encoded using [jsonEncode] from the `dart:convert` library.
@@ -1118,6 +1142,7 @@ class InAppWebViewController {
   ///So, on the JavaScript side, to get data coming from the Dart side, you will use:
   ///```html
   ///<script>
+  ///   window.addEventListener("flutterInAppBrowserPlatformReady", function(event) {
   ///     window.flutter_inappbrowser.callHandler('handlerFoo').then(function(result) {
   ///       console.log(result, typeof result);
   ///       console.log(JSON.stringify(result));
@@ -1127,8 +1152,19 @@ class InAppWebViewController {
   ///       console.log(result, typeof result);
   ///       console.log(JSON.stringify(result));
   ///     });
+  ///   });
   ///</script>
   ///```
+  ///
+  ///Instead, on the `onLoadStop` WebView event, you can use `callHandler` directly:
+  ///```dart
+  ///  // Inject JavaScript that will receive data back from Flutter
+  ///  inAppWebViewController.evaluateJavascript(source: """
+  ///    window.flutter_inappbrowser.callHandler('test', 'Text from Javascript').then(function(result) {
+  ///      console.log(result);
+  ///    });
+  ///  """);
+  ///```
   void addJavaScriptHandler({@required String handlerName, @required JavaScriptHandlerCallback callback}) {
     assert(!javaScriptHandlerForbiddenNames.contains(handlerName));
     this.javaScriptHandlersMap[handlerName] = (callback);

nodejs_server_test_auth_basic_and_ssl/index.js

@@ -113,6 +113,7 @@ app.get("/", (req, res) => {
 
 app.post("/test-post", (req, res) => {
   console.log(JSON.stringify(req.headers))
+  console.log(JSON.stringify(req.body))
   res.send(`
     <html>
       <head>
@@ -127,10 +128,12 @@ app.post("/test-post", (req, res) => {
 
 app.post("/test-ajax-post", (req, res) => {
   console.log(JSON.stringify(req.headers))
+  console.log(JSON.stringify(req.body))
   res.set("Content-Type", "application/json")
   res.send(JSON.stringify({
-    "name": req.body.name,
-    "key2": "value2"
+    "firstname": req.body.firstname,
+    "lastname": req.body.lastname,
+    "fullname": req.body.firstname + " " + req.body.lastname,
   }))
   res.end()
 })