From c34cdf55d52c35a759bf11ffba8fa090980d9744 Mon Sep 17 00:00:00 2001
From: pichillilorenzo <pichillilorenzo@gmail.com>
Date: Thu, 20 Dec 2018 09:25:31 +0100
Subject: [PATCH] added test.dart

---
 .idea/workspace.xml   |  57 +++--
 example/lib/main.dart |  46 ++--
 example/lib/test.dart | 475 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 524 insertions(+), 54 deletions(-)
 create mode 100644 example/lib/test.dart

diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 6ece1707..5564f63f 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -16,12 +16,7 @@
   <component name="ChangeListManager">
     <list default="true" id="9b41f7a2-a71e-4923-91fb-249d7815b3e7" name="Default" comment="">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Info.plist" beforeDir="false" afterPath="$PROJECT_DIR$/example/ios/Runner/Info.plist" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/flutter_inappbrowser.iml" beforeDir="false" afterPath="$PROJECT_DIR$/flutter_inappbrowser.iml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/ios/Classes/FlutterWebViewController.swift" beforeDir="false" afterPath="$PROJECT_DIR$/ios/Classes/FlutterWebViewController.swift" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/ios/Classes/InAppBrowserWebViewController.swift" beforeDir="false" afterPath="$PROJECT_DIR$/ios/Classes/InAppBrowserWebViewController.swift" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/ios/Classes/InAppWebView.swift" beforeDir="false" afterPath="$PROJECT_DIR$/ios/Classes/InAppWebView.swift" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/ios/Classes/SwiftFlutterPlugin.swift" beforeDir="false" afterPath="$PROJECT_DIR$/ios/Classes/SwiftFlutterPlugin.swift" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/lib/main.dart" beforeDir="false" afterPath="$PROJECT_DIR$/example/lib/main.dart" afterDir="false" />
     </list>
     <ignored path="$PROJECT_DIR$/.dart_tool/" />
     <ignored path="$PROJECT_DIR$/.idea/" />
@@ -41,7 +36,7 @@
       <file leaf-file-name="flutter_inappbrowser.dart" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/lib/flutter_inappbrowser.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="250">
+            <state relative-caret-position="4380">
               <caret line="323" column="41" selection-start-line="323" selection-start-column="41" selection-end-line="323" selection-end-column="41" />
               <folding>
                 <element signature="e#814#831#0" expanded="true" />
@@ -53,11 +48,10 @@
       <file leaf-file-name="main.dart" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/example/lib/main.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="288">
-              <caret line="410" column="35" lean-forward="true" selection-start-line="410" selection-start-column="35" selection-end-line="410" selection-end-column="35" />
+            <state relative-caret-position="405">
+              <caret line="27" column="18" lean-forward="true" selection-start-line="27" selection-start-column="18" selection-end-line="27" selection-end-column="18" />
               <folding>
-                <element signature="e#0#16428#0" expanded="true" />
-                <element signature="e#12489#12509#0" expanded="true" />
+                <element signature="e#0#20#0" expanded="true" />
               </folding>
             </state>
           </provider>
@@ -154,7 +148,7 @@
       </list>
     </option>
   </component>
-  <component name="ProjectFrameBounds">
+  <component name="ProjectFrameBounds" extendedState="6">
     <option name="y" value="23" />
     <option name="width" value="1641" />
     <option name="height" value="1027" />
@@ -166,6 +160,17 @@
     </navigator>
     <panes>
       <pane id="AndroidView" />
+      <pane id="Scope">
+        <subPane subId="Project Files">
+          <expand>
+            <path>
+              <item name="Root" type="cbb8eebc:String" user="Root" />
+              <item name="flutter_inappbrowser" type="cbb8eebc:String" user="flutter_inappbrowser" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
       <pane id="ProjectPane">
         <subPane>
           <expand>
@@ -207,17 +212,6 @@
         <option name="show-excluded-files" value="false" />
       </pane>
       <pane id="PackagesPane" />
-      <pane id="Scope">
-        <subPane subId="Project Files">
-          <expand>
-            <path>
-              <item name="Root" type="cbb8eebc:String" user="Root" />
-              <item name="flutter_inappbrowser" type="cbb8eebc:String" user="flutter_inappbrowser" />
-            </path>
-          </expand>
-          <select />
-        </subPane>
-      </pane>
     </panes>
   </component>
   <component name="PropertiesComponent">
@@ -374,7 +368,7 @@
     <servers />
   </component>
   <component name="ToolWindowManager">
-    <frame x="0" y="23" width="1641" height="1027" extended-state="0" />
+    <frame x="0" y="23" width="1680" height="1027" extended-state="6" />
     <editor active="true" />
     <layout>
       <window_info anchor="bottom" id="Android Profiler" order="7" show_stripe_button="false" />
@@ -387,14 +381,14 @@
       <window_info anchor="bottom" id="Dart Analysis" order="14" weight="0.32745314" />
       <window_info anchor="bottom" id="Run" order="2" sideWeight="0.49478307" weight="0.29437706" />
       <window_info anchor="bottom" id="Version Control" order="9" />
-      <window_info anchor="bottom" id="Terminal" order="10" sideWeight="0.49533224" weight="0.24696803" />
+      <window_info active="true" anchor="bottom" id="Terminal" order="10" sideWeight="0.49533224" visible="true" weight="0.24696803" />
       <window_info anchor="right" id="Flutter Outline" order="6" weight="0.32922077" />
       <window_info anchor="bottom" id="Logcat" order="11" />
       <window_info id="Captures" order="4" weight="0.32936507" />
       <window_info id="Capture Tool" order="6" />
       <window_info id="Designer" order="2" />
-      <window_info active="true" content_ui="combo" id="Project" order="0" sideWeight="0.4950386" visible="true" weight="0.13445903" />
-      <window_info id="Structure" order="1" sideWeight="0.50496143" side_tool="true" visible="true" weight="0.13445903" />
+      <window_info content_ui="combo" id="Project" order="0" sideWeight="0.49341142" visible="true" weight="0.13125764" />
+      <window_info id="Structure" order="1" sideWeight="0.5065886" side_tool="true" visible="true" weight="0.13125764" />
       <window_info anchor="right" id="Device File Explorer" order="5" side_tool="true" />
       <window_info anchor="right" id="Theme Preview" order="7" />
       <window_info anchor="bottom" id="Debug" order="3" weight="0.34288865" />
@@ -679,7 +673,7 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/lib/flutter_inappbrowser.dart">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="250">
+        <state relative-caret-position="4380">
           <caret line="323" column="41" selection-start-line="323" selection-start-column="41" selection-end-line="323" selection-end-column="41" />
           <folding>
             <element signature="e#814#831#0" expanded="true" />
@@ -689,11 +683,10 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/example/lib/main.dart">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="288">
-          <caret line="410" column="35" lean-forward="true" selection-start-line="410" selection-start-column="35" selection-end-line="410" selection-end-column="35" />
+        <state relative-caret-position="405">
+          <caret line="27" column="18" lean-forward="true" selection-start-line="27" selection-start-column="18" selection-end-line="27" selection-end-column="18" />
           <folding>
-            <element signature="e#0#16428#0" expanded="true" />
-            <element signature="e#12489#12509#0" expanded="true" />
+            <element signature="e#0#20#0" expanded="true" />
           </folding>
         </state>
       </provider>
diff --git a/example/lib/main.dart b/example/lib/main.dart
index 29031249..8d58463e 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -33,29 +33,31 @@ class _MyAppState extends State<MyApp> {
   Widget build(BuildContext context) {
     return MaterialApp(
       home: DefaultTabController(
-          length: 3,
-          child: Scaffold(
-              appBar: AppBar(
-                title: Text('Tabs Demo'),
-              ),
-              body: TabBarView(
-                children: [
-                  WebviewExampleScreen(),
-                  ChromeSafariExampleScreen(),
-                  InlineExampleScreen(),
-                ],
-              ),
-              bottomNavigationBar: Container(
-                color: Theme.of(context).primaryColor,
-                child: TabBar(
-                  indicatorColor: Colors.white,
-                  tabs: [
-                    Tab(text: "Webview"),
-                    Tab(text: "Chrome/Safari"),
-                    Tab(text: "Inline",),
-                  ],
+        length: 3,
+        child: Scaffold(
+          appBar: AppBar(
+            title: Text('Tabs Demo'),
+          ),
+          body: TabBarView(
+            children: [
+              WebviewExampleScreen(),
+              ChromeSafariExampleScreen(),
+              InlineExampleScreen(),
+            ],
+          ),
+          bottomNavigationBar: Container(
+            color: Theme.of(context).primaryColor,
+            child: TabBar(
+              indicatorColor: Colors.white,
+              tabs: [
+                Tab(text: "Webview"),
+                Tab(text: "Chrome/Safari"),
+                Tab(
+                  text: "Inline",
                 ),
-              ))),
+              ],
+            ),
+          ))),
     );
   }
 }
diff --git a/example/lib/test.dart b/example/lib/test.dart
new file mode 100644
index 00000000..201221d6
--- /dev/null
+++ b/example/lib/test.dart
@@ -0,0 +1,475 @@
+//import 'dart:async';
+//import 'dart:convert';
+//import 'package:flutter/material.dart';
+//import 'package:flutter_inappbrowser/flutter_inappbrowser.dart';
+//
+//class MyInAppBrowser extends InAppBrowser {
+//  @override
+//  Future onBrowserCreated() async {
+//    print("\n\nBrowser Ready!\n\n");
+//  }
+//
+//  @override
+//  Future onLoadStart(String url) async {
+//    print("\n\nStarted $url\n\n");
+////    print("\n\n ${await this.isHidden()} \n\n");
+////    print(await this.webViewController.canGoBack());
+////    print(await this.webViewController.canGoForward());
+//  }
+//
+//  @override
+//  Future onLoadStop(String url) async {
+//    print("\n\nStopped $url\n\n");
+//
+////    print(base64.encode(await this.webViewController.getFavicon()));
+////    WebHistory history = await this.webViewController.getCopyBackForwardList();
+////    print(history.list.length);
+////    print(history.currentIndex);
+////    print(history.list[history.currentIndex].url);
+////    for(WebHistoryItem item in history.list) {
+////      print(item.title);
+////    }
+//
+////
+////    print(await this.webViewController.canGoBackOrForward(1));
+////    if (await this.webViewController.canGoBackOrForward(-2)) {
+////      this.webViewController.goTo(history.list[0]);
+////    }
+//
+////    await this.webViewController.goBackOrForward(-1);
+//
+////    print(await this.webViewController.canGoBack());
+////    print(await this.webViewController.canGoForward());
+//
+////    var screenshot = await this.webViewController.takeScreenshot();
+////    await this.webViewController.injectScriptCode("""
+////    document.body.innerHTML = '<img style="max-width: 100%; width: 100%" src="data:image/png;base64,${base64.encode(screenshot)}" />';
+////    """);
+//
+////    var options = await this.getOptions();
+////    if (options["javaScriptEnabled"]) {
+////      await this.setOptions({
+////        //"progressBar": true,
+////        //"useOnLoadResource": true,
+////        //"hidden": true,
+////        //"toolbarTopFixedTitle": "Fixed title A",
+////        //"useShouldOverrideUrlLoading": true
+////        //"hideUrlBar": true,
+////        "javaScriptEnabled": false,
+////        "toolbarTop": true,
+////        "toolbarBottom": false
+////      });
+////    }
+////    else {
+////      await this.setOptions({
+////        //"progressBar": false,
+////        //"useOnLoadResource": false,
+////        //"hidden": true,
+////        //"toolbarTopFixedTitle": "Fixed title B",
+////        //"useShouldOverrideUrlLoading": true
+////        //"hideUrlBar": false,
+////        "javaScriptEnabled": true,
+////        "toolbarTop": false,
+////        "toolbarBottom": true
+////      });
+////    }
+//
+////    print("\n\n ${await this.isHidden()} \n\n");
+////
+////    await this.webViewController.injectScriptCode("window.flutter_inappbrowser.callHandler('handlerTest', 1, 5,'string', {'key': 5}, [4,6,8]);");
+////    await this.webViewController.injectScriptCode("window.flutter_inappbrowser.callHandler('handlerTest2', false, null, undefined);");
+////    await this.webViewController.injectScriptCode("setTimeout(function(){window.flutter_inappbrowser.callHandler('handlerTest', 'anotherString');}, 1000);");
+//
+////    await this.webViewController.injectScriptCode("console.log({'testObject': 5});");
+////    await this.webViewController.injectScriptCode("console.warn('testWarn',null);");
+////    await this.webViewController.injectScriptCode("console.log('testObjectStringify', JSON.stringify({'asd': 5}));");
+////    await this.webViewController.injectScriptCode("console.info('testInfo', 6);");
+////    await this.webViewController.injectScriptCode("console.error('testError', false);");
+////    await this.webViewController.injectScriptCode("console.debug('testDebug', true);");
+////
+////    print(await this.webViewController.injectScriptCode("document.cookie"));
+////
+////    print("");
+////    print(await CookieManager.getCookies(url));
+////    print("");
+////    print(await CookieManager.getCookie(url, "my_cookie2"));
+////    print("");
+////    await CookieManager.deleteCookie(url, "my_cookie2");
+////    await CookieManager.deleteCookie(url, "_gid", domain: ".googleblog.com");
+////    print("");
+////    print(await CookieManager.getCookies(url));
+////    print("");
+////    await CookieManager.deleteCookies(url);
+////    print("");
+////    print(await CookieManager.getCookies(url));
+////    print("");
+////    await CookieManager.deleteAllCookies();
+////    print("");
+////    print(await CookieManager.getCookies(url));
+////    print("");
+////
+////    print(await this.webViewController.injectScriptCode("null"));
+////    print(await this.webViewController.injectScriptCode("undefined"));
+////    print(await this.webViewController.injectScriptCode("3"));
+////    print(await this.webViewController.injectScriptCode("""
+////      function asd (a,b) {
+////        return a+b;
+////       };
+////       asd(3,5);
+////    """));
+////    print(await this.webViewController.injectScriptCode("""
+////      ["3",56,"sdf"];
+////    """));
+////    print(await this.webViewController.injectScriptCode("""
+////      var x = {"as":4, "dfdfg": 6};
+////      x;
+////    """));
+////
+////    await this.webViewController.injectScriptFile("https://code.jquery.com/jquery-3.3.1.min.js");
+////    this.webViewController.injectScriptCode("""
+////      \$( "body" ).html( "Next Step..." )
+////    """);
+////
+////    // add custom css
+////    this.webViewController.injectStyleCode("""
+////    body {
+////      background-color: #3c3c3c !important;
+////    }
+////    """);
+////    this.webViewController.injectStyleFile("https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css");
+//  }
+//
+//  @override
+//  Future onScrollChanged(int x, int y) async {
+////    print(x.toString() + " " + y.toString());
+//  }
+//
+//  @override
+//  void onLoadError(String url, int code, String message) {
+//    print("\n\nCan't load $url.. Error: $message\n\n");
+//  }
+//
+//  @override
+//  void onProgressChanged(int progress) {
+////    print("Progress: $progress");
+//  }
+//
+//  @override
+//  void onExit() {
+//    print("\n\nBrowser closed!\n\n");
+//  }
+//
+//  @override
+//  void shouldOverrideUrlLoading(String url) {
+//    print("\n\n override $url\n\n");
+//    this.webViewController.loadUrl(url);
+//
+////    var postData = "username=my_username&password=my_password";
+////    inAppBrowserFallback.webViewController.postUrl("http://localhost:8080", utf8.encode(postData));
+//
+////    var htmlData = """
+////<!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>Document</title>
+////    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css">
+////    <link rel="stylesheet" href="http://localhost:8080/assets/css/style.css">
+////    <script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
+////</head>
+////<body>
+////<div class="container">
+////    <div class="container">
+////        <img src="http://localhost:8080/assets/images/dart.svg" alt="dart logo">
+////        <div class="row">
+////            <div class="col-sm">
+////                One of three columns
+////            </div>
+////            <div class="col-sm">
+////                One of three columns
+////            </div>
+////            <div class="col-sm">
+////                One of three columns
+////            </div>
+////        </div>
+////    </div>
+////    <script>
+////        console.log("hello");
+////    </script>
+////</div>
+////</body>
+////</html>
+////    """;
+////    inAppBrowserFallback.webViewController.loadData(htmlData);
+//  }
+//
+//  @override
+//  void onLoadResource(
+//      WebResourceResponse response, WebResourceRequest request) {
+//    print("Started at: " +
+//        response.startTime.toString() +
+//        "ms ---> duration: " +
+//        response.duration.toString() +
+//        "ms " +
+//        response.url);
+////    if (response.headers["content-length"] != null)
+////      print(response.headers["content-length"] + " length");
+//  }
+//
+//  @override
+//  void onConsoleMessage(ConsoleMessage consoleMessage) {
+//    print(consoleMessage.message);
+////    print("""
+////    console output:
+////      sourceURL: ${consoleMessage.sourceURL}
+////      lineNumber: ${consoleMessage.lineNumber}
+////      message: ${consoleMessage.message}
+////      messageLevel: ${consoleMessage.messageLevel}
+////    """);
+//  }
+//}
+//
+//MyInAppBrowser inAppBrowserFallback = new MyInAppBrowser();
+//
+//class MyChromeSafariBrowser extends ChromeSafariBrowser {
+//  MyChromeSafariBrowser(browserFallback) : super(browserFallback);
+//
+//  @override
+//  void onOpened() {
+//    print("ChromeSafari browser opened");
+//  }
+//
+//  @override
+//  void onLoaded() {
+//    print("ChromeSafari browser loaded");
+//  }
+//
+//  @override
+//  void onClosed() {
+//    print("ChromeSafari browser closed");
+//  }
+//}
+//
+//// adding a webview fallback
+//MyChromeSafariBrowser chromeSafariBrowser =
+//    new MyChromeSafariBrowser(inAppBrowserFallback);
+//InAppLocalhostServer localhostServer = new InAppLocalhostServer();
+//
+//Future main() async {
+////  await localhostServer.start();
+//  runApp(new MyApp());
+//}
+//
+//class MyApp extends StatefulWidget {
+//  @override
+//  _MyAppState createState() => new _MyAppState();
+//}
+//
+//class _MyAppState extends State<MyApp> {
+//  @override
+//  void initState() {
+//    super.initState();
+////    int indexTest = inAppBrowserFallback.webViewController.addJavaScriptHandler("handlerTest",
+////        (arguments) async {
+////      print("handlerTest arguments");
+////      print(arguments);
+////    });
+////    int indexTest2 = inAppBrowserFallback.webViewController.addJavaScriptHandler("test2", (arguments) async {
+////      print("handlerTest2 arguments");
+////      print(arguments);
+////      inAppBrowserFallback.webViewController.removeJavaScriptHandler("test", indexTest);
+////    });
+//  }
+//
+//  @override
+//  Widget build(BuildContext context) {
+//    return new MaterialApp(
+//      home: new Scaffold(
+//        appBar: new AppBar(
+//          title: const Text('Flutter InAppBrowser Plugin example app'),
+//        ),
+//        body: new Center(
+//          child: new RaisedButton(
+//            onPressed: () async {
+////              await chromeSafariBrowser.open("https://flutter.io/");
+////
+////              await InAppBrowser.openWithSystemBrowser("https://flutter.io/");
+////
+////              await inAppBrowserFallback.open(url: "http://localhost:8080/assets/index.html", options: {
+////                "useOnLoadResource": true,
+////                //"hidden": true,
+////                //"toolbarTopFixedTitle": "Fixed title",
+////                //"useShouldOverrideUrlLoading": true
+////                //"hideUrlBar": true,
+////                //"toolbarTop": false,
+////                "toolbarBottom": false
+////              });
+////
+////              await inAppBrowserFallback.openFile("assets/index.html", options: {
+////                "useOnLoadResource": true,
+////                //"hidden": true,
+////                //"useShouldOverrideUrlLoading": true
+////                //"hideUrlBar": true,
+////                //"toolbarTop": false,
+////                //"toolbarBottom": false
+////              });
+////
+////              await CookieManager.setCookie("https://flutter.io/", "my_cookie2", "cookieValue2", domain: "flutter.io", expiresDate: 1540838864611);
+////              await CookieManager.setCookie("https://flutter.io/", "my_cookie", "cookieValue", domain: "flutter.io", expiresDate: 1540838864611);
+//
+////              await inAppBrowserFallback.openData("<html><head><title>Data example</title></head><body><p>This is a \"p\" tag</p></body></html>", options: {});
+//
+//              await inAppBrowserFallback.open(url: "https://flutter.io/", options: {
+//                //"useOnLoadResource": true,
+//                //"hidden": true,
+//                //"toolbarTopFixedTitle": "Fixed title",
+//                "useShouldOverrideUrlLoading": true,
+//                //"hideUrlBar": true,
+//                //"toolbarTop": false,
+//                //"toolbarBottom": false
+//              });
+//
+//            },
+//            child: Text("Open InAppBrowser")
+//          ),
+//        ),
+//      ),
+//    );
+//  }
+//}
+
+
+// Inline WebView Example
+
+import 'dart:async';
+import 'package:flutter/material.dart';
+import 'package:flutter_inappbrowser/flutter_inappbrowser.dart';
+
+Future main() async {
+  runApp(new MyApp());
+}
+
+class MyApp extends StatefulWidget {
+  @override
+  _MyAppState createState() => new _MyAppState();
+}
+
+class _MyAppState extends State<MyApp> {
+
+  InAppWebViewController webView;
+  String url = "";
+  double progress = 0;
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      home: Scaffold(
+        appBar: AppBar(
+          title: const Text('Inline WebView example app'),
+        ),
+        body: Container(
+          child: Column(
+            children: <Widget>[
+              Container(
+                padding: EdgeInsets.all(20.0),
+                child: Text("CURRENT URL\n${ (url.length > 50) ? url.substring(0, 50) + "..." : url }"),
+              ),
+              (progress != 1.0) ? LinearProgressIndicator(value: progress) : null,
+              Expanded(
+                child: Container(
+                  margin: const EdgeInsets.all(10.0),
+                  decoration: BoxDecoration(
+                    border: Border.all(color: Colors.blueAccent)
+                  ),
+                  child: InAppWebView(
+                    initialUrl: "https://flutter.io/",
+                    //initialData: InAppWebViewInitialData("<html><head><title>Data example</title></head><body><p>This is a \"p\" tag</p></body></html>"),
+                    initialHeaders: {
+
+                    },
+                    initialOptions: {
+
+                    },
+                    onWebViewCreated: (InAppWebViewController controller) {
+                      webView = controller;
+                    },
+                    onLoadStart: (InAppWebViewController controller, String url) {
+                      print("started $url");
+                      setState(() {
+                        this.url = url;
+                      });
+                    },
+                    onProgressChanged: (InAppWebViewController controller, int progress) {
+                      setState(() {
+                        this.progress = progress/100;
+                      });
+                    },
+                  ),
+                ),
+              ),
+              ButtonBar(
+                alignment: MainAxisAlignment.center,
+                children: <Widget>[
+                  RaisedButton(
+                    child: Icon(Icons.arrow_back),
+                    onPressed: () {
+                      if (webView != null) {
+                        webView.goBack();
+                      }
+                    },
+                  ),
+                  RaisedButton(
+                    child: Icon(Icons.arrow_forward),
+                    onPressed: () {
+                      if (webView != null) {
+                        webView.goForward();
+                      }
+                    },
+                  ),
+                  RaisedButton(
+                    child: Icon(Icons.refresh),
+                    onPressed: () {
+                      if (webView != null) {
+                        webView.reload();
+                      }
+                    },
+                  ),
+                ],
+              ),
+            ].where((Object o) => o != null).toList(),
+          ),
+        ),
+        bottomNavigationBar: BottomNavigationBar(
+          currentIndex: 0,
+          items: [
+            BottomNavigationBarItem(
+              icon: Icon(Icons.home),
+              title: Text('Home'),
+            ),
+            BottomNavigationBarItem(
+              icon: Icon(Icons.mail),
+              title: Text('Item 2'),
+            ),
+            BottomNavigationBarItem(
+              icon: Icon(Icons.person),
+              title: Text('Item 3')
+            )
+          ],
+        ),
+      ),
+    );
+  }
+}