Added support for pull-to-refresh feature (fix #395), Fixed issue not rendering WebView content when scrolling on iOS (fix #704), Fixed InAppBrowser.openData method, InAppBrowser.initialUserScripts InAppBrowser.id HeadlessInAppWebView.id properties are final now

.idea/libraries/Dart_Packages.xml

@@ -133,7 +133,7 @@
         <entry key="file">
           <value>
             <list>
-              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/file-6.0.0/lib" />
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/file-6.1.0/lib" />
               <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/file-6.0.0-nullsafety.4/lib" />
             </list>
           </value>
@@ -377,7 +377,7 @@
         <entry key="process">
           <value>
             <list>
-              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/process-4.0.0/lib" />
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/process-4.1.0/lib" />
               <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/process-4.0.0-nullsafety.4/lib" />
             </list>
           </value>
@@ -441,7 +441,7 @@
         <entry key="source_span">
           <value>
             <list>
-              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/source_span-1.8.0/lib" />
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/source_span-1.8.1/lib" />
               <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/source_span-1.8.0-nullsafety.4/lib" />
             </list>
           </value>
@@ -647,7 +647,7 @@
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/fake_async-1.2.0/lib" />
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/ffi-1.0.0/lib" />
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/file-6.0.0-nullsafety.4/lib" />
-      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/file-6.0.0/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/file-6.1.0/lib" />
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.5.2/lib" />
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/glob-1.2.0/lib" />
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/http_multi_server-2.2.0/lib" />
@@ -682,7 +682,7 @@
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/plugin_platform_interface-1.1.0-nullsafety.1/lib" />
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/pool-1.5.0-nullsafety.3/lib" />
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/process-4.0.0-nullsafety.4/lib" />
-      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/process-4.0.0/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/process-4.1.0/lib" />
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/pub_semver-1.4.4/lib" />
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/shelf-0.7.5/lib" />
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/shelf_packages_handler-2.0.0/lib" />
@@ -691,7 +691,7 @@
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/source_map_stack_trace-2.1.0-nullsafety.4/lib" />
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/source_maps-0.10.10-nullsafety.3/lib" />
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/source_span-1.8.0-nullsafety.4/lib" />
-      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/source_span-1.8.0/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/source_span-1.8.1/lib" />
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/stack_trace-1.10.0-nullsafety.6/lib" />
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/stack_trace-1.10.0/lib" />
       <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/stream_channel-2.1.0-nullsafety.3/lib" />

CHANGELOG.md

@@ -1,3 +1,10 @@
+## 5.1.0
+
+- Added support for pull-to-refresh feature [#395](https://github.com/pichillilorenzo/flutter_inappwebview/issues/395)
+- Fixed issue not rendering WebView content when scrolling on iOS [#703](https://github.com/pichillilorenzo/flutter_inappwebview/issues/703)
+- Fixed `InAppBrowser.openData` method
+- `InAppBrowser.initialUserScripts`, `InAppBrowser.id`, `HeadlessInAppWebView.id` properties are `final` now
+
 ## 5.0.5+3
 
 - Fixed Android `evaluateJavascript` method when using `contentWorld: ContentWorld.PAGE`

README.md

@@ -302,15 +302,21 @@ Use `InAppWebViewController` to control the WebView instance.
 Example:
 ```dart
 import 'dart:async';
+import 'dart:collection';
+import 'dart:convert';
 import 'dart:io';
+import 'dart:typed_data';
 import 'package:flutter/material.dart';
 import 'package:flutter_inappwebview/flutter_inappwebview.dart';
+import 'package:url_launcher/url_launcher.dart';
 
 Future main() async {
   WidgetsFlutterBinding.ensureInitialized();
+
   if (Platform.isAndroid) {
     await AndroidInAppWebViewController.setWebContentsDebuggingEnabled(true);
   }
+
   runApp(new MyApp());
 }
 
@@ -321,13 +327,42 @@ class MyApp extends StatefulWidget {
 
 class _MyAppState extends State<MyApp> {
 
-  InAppWebViewController? webView;
+  final GlobalKey webViewKey = GlobalKey();
+
+  InAppWebViewController? webViewController;
+  InAppWebViewGroupOptions options = InAppWebViewGroupOptions(
+      crossPlatform: InAppWebViewOptions(
+        mediaPlaybackRequiresUserGesture: false,
+      ),
+      android: AndroidInAppWebViewOptions(
+        useHybridComposition: true,
+      ),
+      ios: IOSInAppWebViewOptions(
+        allowsInlineMediaPlayback: true,
+      ));
+
+  late PullToRefreshController pullToRefreshController;
   String url = "";
   double progress = 0;
+  final urlController = TextEditingController();
 
   @override
   void initState() {
     super.initState();
+
+    pullToRefreshController = PullToRefreshController(
+      options: PullToRefreshOptions(
+        color: Colors.blue,
+      ),
+      onRefresh: () async {
+        if (Platform.isAndroid) {
+          webViewController?.reload();
+        } else if (Platform.isIOS) {
+          webViewController?.loadUrl(
+              urlRequest: URLRequest(url: await webViewController?.getUrl()));
+        }
+      },
+    );
   }
 
   @override
@@ -339,87 +374,131 @@ class _MyAppState extends State<MyApp> {
   Widget build(BuildContext context) {
     return MaterialApp(
       home: Scaffold(
-        appBar: AppBar(
+          appBar: AppBar(title: Text("Official InAppWebView website")),
-          title: const Text('InAppWebView Example'),
+          body: SafeArea(
-        ),
+              child: Column(children: <Widget>[
-        body: Container(
+                TextField(
-            child: Column(children: <Widget>[
+                  decoration: InputDecoration(
-              Container(
+                      prefixIcon: Icon(Icons.search)
-                padding: EdgeInsets.all(20.0),
+                  ),
-                child: Text(
+                  controller: urlController,
-                    "CURRENT URL\n${(url.length > 50) ? url.substring(0, 50) + "..." : url}"),
+                  keyboardType: TextInputType.url,
-              ),
+                  onSubmitted: (value) {
-              Container(
+                    var url = Uri.parse(value);
-                  padding: EdgeInsets.all(10.0),
+                    if (url.scheme.isEmpty) {
-                  child: progress < 1.0
+                      url = Uri.parse("https://www.google.com/search?q=" + value);
-                      ? LinearProgressIndicator(value: progress)
+                    }
-                      : Container()),
+                    webViewController?.loadUrl(
-              Expanded(
+                        urlRequest: URLRequest(url: url));
-                child: Container(
+                  },
-                  margin: const EdgeInsets.all(10.0),
+                ),
-                  decoration:
+                Expanded(
-                  BoxDecoration(border: Border.all(color: Colors.blueAccent)),
+                  child: Stack(
-                  child: InAppWebView(
+                    children: [
-                    initialUrlRequest: URLRequest(
+                      InAppWebView(
-                      url: Uri.parse("https://flutter.dev/")
+                        key: webViewKey,
-                    ),
+                        initialUrlRequest:
-                    initialOptions: InAppWebViewGroupOptions(
+                        URLRequest(url: Uri.parse("https://inappwebview.dev/")),
-                      crossPlatform: InAppWebViewOptions(
+                        initialOptions: options,
+                        pullToRefreshController: pullToRefreshController,
+                        onWebViewCreated: (controller) {
+                          webViewController = controller;
+                        },
+                        onLoadStart: (controller, url) {
+                          setState(() {
+                            this.url = url.toString();
+                            urlController.text = this.url;
+                          });
+                        },
+                        androidOnPermissionRequest: (InAppWebViewController controller,
+                            String origin, List<String> resources) async {
+                          return PermissionRequestResponse(
+                              resources: resources,
+                              action: PermissionRequestResponseAction.GRANT);
+                        },
+                        shouldOverrideUrlLoading: (controller, navigationAction) async {
+                          var uri = navigationAction.request.url!;
 
-                      ),
+                          if (![
-                      ios: IOSInAppWebViewOptions(
+                            "http",
+                            "https",
+                            "file",
+                            "chrome",
+                            "data",
+                            "javascript",
+                            "about"
+                          ].contains(uri.scheme)) {
+                            if (await canLaunch(url)) {
+                              // Launch the App
+                              await launch(
+                                url,
+                              );
+                              // and cancel the request
+                              return NavigationActionPolicy.CANCEL;
+                            }
+                          }
 
+                          return NavigationActionPolicy.ALLOW;
+                        },
+                        onLoadStop: (controller, url) async {
+                          pullToRefreshController.endRefreshing();
+                          setState(() {
+                            this.url = url.toString();
+                            urlController.text = this.url;
+                          });
+                        },
+                        onLoadError: (controller, url, code, message) {
+                          pullToRefreshController.endRefreshing();
+                        },
+                        onProgressChanged: (controller, progress) {
+                          if (progress == 100) {
+                            pullToRefreshController.endRefreshing();
+                          }
+                          setState(() {
+                            this.progress = progress / 100;
+                            urlController.text = this.url;
+                          });
+                        },
+                        onUpdateVisitedHistory: (controller, url, androidIsReload) {
+                          setState(() {
+                            this.url = url.toString();
+                            urlController.text = this.url;
+                          });
+                        },
+                        onConsoleMessage: (controller, consoleMessage) {
+                          print(consoleMessage);
+                        },
                       ),
-                      android: AndroidInAppWebViewOptions(
+                      progress < 1.0
-                        useHybridComposition: true
+                          ? LinearProgressIndicator(value: progress)
-                      )
+                          : Container(),
-                    ),
+                    ],
-                    onWebViewCreated: (InAppWebViewController controller) {
-                      webView = controller;
-                    },
-                    onLoadStart: (controller, url) {
-                      setState(() {
-                        this.url = url?.toString() ?? '';
-                      });
-                    },
-                    onLoadStop: (controller, url) async {
-                      setState(() {
-                        this.url = url?.toString() ?? '';
-                      });
-                    },
-                    onProgressChanged: (controller, progress) {
-                      setState(() {
-                        this.progress = progress / 100;
-                      });
-                    },
                   ),
                 ),
-              ),
+                ButtonBar(
-              ButtonBar(
+                  alignment: MainAxisAlignment.center,
-                alignment: MainAxisAlignment.center,
+                  children: <Widget>[
-                children: <Widget>[
+                    ElevatedButton(
-                  ElevatedButton(
+                      child: Icon(Icons.arrow_back),
-                    child: Icon(Icons.arrow_back),
+                      onPressed: () {
-                    onPressed: () {
+                        webViewController?.goBack();
-                      webView?.goBack();
+                      },
-                    },
+                    ),
-                  ),
+                    ElevatedButton(
-                  ElevatedButton(
+                      child: Icon(Icons.arrow_forward),
-                    child: Icon(Icons.arrow_forward),
+                      onPressed: () {
-                    onPressed: () {
+                        webViewController?.goForward();
-                      webView?.goForward();
+                      },
-                    },
+                    ),
-                  ),
+                    ElevatedButton(
-                  ElevatedButton(
+                      child: Icon(Icons.refresh),
-                    child: Icon(Icons.refresh),
+                      onPressed: () {
-                    onPressed: () {
+                        webViewController?.reload();
-                      webView?.reload();
+                      },
-                    },
+                    ),
-                  ),
+                  ],
-                ],
+                ),
-              ),
+              ]))),
-            ])),
-      ),
     );
   }
 }
@@ -428,11 +507,11 @@ class _MyAppState extends State<MyApp> {
 Screenshots:
 - Android:
 
-![android](https://user-images.githubusercontent.com/5956938/47271038-7aebda80-d574-11e8-98fd-41e6bbc9fe2d.gif)
+![android](https://user-images.githubusercontent.com/5956938/110179602-a18ad300-7e08-11eb-849b-2c7f1af28155.gif)
 
 - iOS:
 
-![ios](https://user-images.githubusercontent.com/5956938/54096363-e1e72000-43ab-11e9-85c2-983a830ab7a0.gif)
+![ios](https://user-images.githubusercontent.com/5956938/110179614-a8194a80-7e08-11eb-85f9-3da10acbbcb2.gif)
 
 #### `InAppWebViewController` Methods
 

android/build.gradle

@@ -49,5 +49,6 @@ android {
         implementation 'androidx.browser:browser:1.2.0'
         implementation 'androidx.appcompat:appcompat:1.2.0-rc02'
         implementation 'com.squareup.okhttp3:mockwebserver:3.14.7'
+        implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
     }
 }

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_browser/InAppBrowserActivity.java

@@ -29,6 +29,8 @@ import com.pichillilorenzo.flutter_inappwebview.in_app_webview.InAppWebViewOptio
 import com.pichillilorenzo.flutter_inappwebview.InAppWebViewMethodHandler;
 import com.pichillilorenzo.flutter_inappwebview.R;
 import com.pichillilorenzo.flutter_inappwebview.Shared;
+import com.pichillilorenzo.flutter_inappwebview.pull_to_refresh.PullToRefreshLayout;
+import com.pichillilorenzo.flutter_inappwebview.pull_to_refresh.PullToRefreshOptions;
 import com.pichillilorenzo.flutter_inappwebview.types.URLRequest;
 import com.pichillilorenzo.flutter_inappwebview.types.UserScript;
 import com.pichillilorenzo.flutter_inappwebview.Util;
@@ -48,6 +50,7 @@ public class InAppBrowserActivity extends AppCompatActivity implements InAppBrow
   public Integer windowId;
   public String id;
   public InAppWebView webView;
+  public PullToRefreshLayout pullToRefreshLayout;
   public ActionBar actionBar;
   public Menu menu;
   public SearchView searchView;
@@ -74,6 +77,15 @@ public class InAppBrowserActivity extends AppCompatActivity implements InAppBrow
 
     setContentView(R.layout.activity_web_view);
 
+    Map<String, Object> pullToRefreshInitialOptions = (Map<String, Object>)  b.getSerializable("pullToRefreshInitialOptions");
+    MethodChannel pullToRefreshLayoutChannel = new MethodChannel(Shared.messenger, "com.pichillilorenzo/flutter_inappwebview_pull_to_refresh_" + id);
+    PullToRefreshOptions pullToRefreshOptions = new PullToRefreshOptions();
+    pullToRefreshOptions.parse(pullToRefreshInitialOptions);
+    pullToRefreshLayout = findViewById(R.id.pullToRefresh);
+    pullToRefreshLayout.channel = pullToRefreshLayoutChannel;
+    pullToRefreshLayout.options = pullToRefreshOptions;
+    pullToRefreshLayout.prepare();
+
     webView = findViewById(R.id.webView);
     webView.windowId = windowId;
     webView.inAppBrowserDelegate = this;
@@ -128,10 +140,10 @@ public class InAppBrowserActivity extends AppCompatActivity implements InAppBrow
         }
       }
       else if (initialData != null) {
-        String mimeType = b.getString("mimeType");
+        String mimeType = b.getString("initialMimeType");
-        String encoding = b.getString("encoding");
+        String encoding = b.getString("initialEncoding");
-        String baseUrl = b.getString("baseUrl");
+        String baseUrl = b.getString("initialBaseUrl");
-        String historyUrl = b.getString("historyUrl");
+        String historyUrl = b.getString("initialHistoryUrl");
         webView.loadDataWithBaseURL(baseUrl, initialData, mimeType, encoding, historyUrl);
       }
       else if (initialUrlRequest != null) {

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_browser/InAppBrowserManager.java

@@ -62,44 +62,8 @@ public class InAppBrowserManager implements MethodChannel.MethodCallHandler {
     final Activity activity = Shared.activity;
 
     switch (call.method) {
-      case "openUrlRequest":
+      case "open":
-        {
+        open(activity, (Map<String, Object>) call.arguments());
-          String id = (String) call.argument("id");
-          Map<String, Object> urlRequest = (Map<String, Object>) call.argument("urlRequest");
-          Map<String, Object> options = (Map<String, Object>) call.argument("options");
-          Map<String, Object> contextMenu = (Map<String, Object>) call.argument("contextMenu");
-          Integer windowId = (Integer) call.argument("windowId");
-          List<Map<String, Object>> initialUserScripts = (List<Map<String, Object>>) call.argument("initialUserScripts");
-          openUrlRequest(activity, id, urlRequest, options, contextMenu, windowId, initialUserScripts);
-        }
-        result.success(true);
-        break;
-      case "openFile":
-        {
-          String id = (String) call.argument("id");
-          String assetFilePath = (String) call.argument("assetFilePath");
-          Map<String, Object> options = (Map<String, Object>) call.argument("options");
-          Map<String, Object> contextMenu = (Map<String, Object>) call.argument("contextMenu");
-          Integer windowId = (Integer) call.argument("windowId");
-          List<Map<String, Object>> initialUserScripts = (List<Map<String, Object>>) call.argument("initialUserScripts");
-          openFile(activity, id, assetFilePath, options, contextMenu, windowId, initialUserScripts);
-        }
-        result.success(true);
-        break;
-      case "openData":
-        {
-          String id = (String) call.argument("id");
-          Map<String, Object> options = (Map<String, Object>) call.argument("options");
-          String data = (String) call.argument("data");
-          String mimeType = (String) call.argument("mimeType");
-          String encoding = (String) call.argument("encoding");
-          String baseUrl = (String) call.argument("baseUrl");
-          String historyUrl = (String) call.argument("historyUrl");
-          Map<String, Object> contextMenu = (Map<String, Object>) call.argument("contextMenu");
-          Integer windowId = (Integer) call.argument("windowId");
-          List<Map<String, Object>> initialUserScripts = (List<Map<String, Object>>) call.argument("initialUserScripts");
-          openData(activity, id, options, data, mimeType, encoding, baseUrl, historyUrl, contextMenu, windowId, initialUserScripts);
-        }
         result.success(true);
         break;
       case "openWithSystemBrowser":
@@ -189,45 +153,36 @@ public class InAppBrowserManager implements MethodChannel.MethodCallHandler {
     }
   }
 
-  public void openUrlRequest(Activity activity, String id, Map<String, Object> urlRequest, Map<String, Object> options,
+  public void open(Activity activity, Map<String, Object> arguments) {
-                             Map<String, Object> contextMenu, Integer windowId, List<Map<String, Object>> initialUserScripts) {
+    String id = (String) arguments.get("id");
+    Map<String, Object> urlRequest = (Map<String, Object>) arguments.get("urlRequest");
+    String assetFilePath = (String) arguments.get("assetFilePath");
+    String data = (String) arguments.get("data");
+    String mimeType = (String) arguments.get("mimeType");
+    String encoding = (String) arguments.get("encoding");
+    String baseUrl = (String) arguments.get("baseUrl");
+    String historyUrl = (String) arguments.get("historyUrl");
+    Map<String, Object> options = (Map<String, Object>) arguments.get("options");
+    Map<String, Object> contextMenu = (Map<String, Object>) arguments.get("contextMenu");
+    Integer windowId = (Integer) arguments.get("windowId");
+    List<Map<String, Object>> initialUserScripts = (List<Map<String, Object>>) arguments.get("initialUserScripts");
+    Map<String, Object> pullToRefreshInitialOptions = (Map<String, Object>) arguments.get("pullToRefreshOptions");
+
     Bundle extras = new Bundle();
     extras.putString("fromActivity", activity.getClass().getName());
     extras.putSerializable("initialUrlRequest", (Serializable) urlRequest);
-    extras.putString("id", id);
-    extras.putSerializable("options", (Serializable) options);
-    extras.putSerializable("contextMenu", (Serializable) contextMenu);
-    extras.putInt("windowId", windowId != null ? windowId : -1);
-    extras.putSerializable("initialUserScripts", (Serializable) initialUserScripts);
-    startInAppBrowserActivity(activity, extras);
-  }
-
-  public void openFile(Activity activity, String id, String assetFilePath, Map<String, Object> options,
-                             Map<String, Object> contextMenu, Integer windowId, List<Map<String, Object>> initialUserScripts) {
-    Bundle extras = new Bundle();
-    extras.putString("fromActivity", activity.getClass().getName());
     extras.putString("initialFile", assetFilePath);
-    extras.putString("id", id);
-    extras.putSerializable("options", (Serializable) options);
-    extras.putSerializable("contextMenu", (Serializable) contextMenu);
-    extras.putInt("windowId", windowId != null ? windowId : -1);
-    extras.putSerializable("initialUserScripts", (Serializable) initialUserScripts);
-    startInAppBrowserActivity(activity, extras);
-  }
-
-  public void openData(Activity activity, String id, Map<String, Object> options, String data, String mimeType, String encoding,
-                       String baseUrl, String historyUrl, Map<String, Object> contextMenu, Integer windowId, List<Map<String, Object>> initialUserScripts) {
-    Bundle extras = new Bundle();
-    extras.putString("id", id);
-    extras.putSerializable("options", (Serializable) options);
     extras.putString("initialData", data);
     extras.putString("initialMimeType", mimeType);
     extras.putString("initialEncoding", encoding);
     extras.putString("initialBaseUrl", baseUrl);
     extras.putString("initialHistoryUrl", historyUrl);
+    extras.putString("id", id);
+    extras.putSerializable("options", (Serializable) options);
     extras.putSerializable("contextMenu", (Serializable) contextMenu);
     extras.putInt("windowId", windowId != null ? windowId : -1);
     extras.putSerializable("initialUserScripts", (Serializable) initialUserScripts);
+    extras.putSerializable("pullToRefreshInitialOptions", (Serializable) pullToRefreshInitialOptions);
     startInAppBrowserActivity(activity, extras);
   }
 

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_browser/InAppBrowserOptions.java

@@ -15,7 +15,7 @@ public class InAppBrowserOptions implements Options<InAppBrowserActivity> {
   public Boolean hidden = false;
   public Boolean hideToolbarTop = false;
   @Nullable
-  public String toolbarTopBackgroundColor = null;
+  public String toolbarTopBackgroundColor;
   @Nullable
   public String toolbarTopFixedTitle;
   public Boolean hideUrlBar = false;

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

@@ -35,7 +35,7 @@ public class ContextMenuOptions implements Options<Object> {
   }
 
   @Override
-  public Map<String, Object> getRealOptions(Object webView) {
+  public Map<String, Object> getRealOptions(Object obj) {
     Map<String, Object> realOptions = toMap();
     return realOptions;
   }

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

@@ -16,9 +16,10 @@ import androidx.webkit.WebViewFeature;
 
 import com.pichillilorenzo.flutter_inappwebview.InAppWebViewMethodHandler;
 import com.pichillilorenzo.flutter_inappwebview.Shared;
+import com.pichillilorenzo.flutter_inappwebview.pull_to_refresh.PullToRefreshLayout;
+import com.pichillilorenzo.flutter_inappwebview.pull_to_refresh.PullToRefreshOptions;
 import com.pichillilorenzo.flutter_inappwebview.types.URLRequest;
 import com.pichillilorenzo.flutter_inappwebview.types.UserScript;
-import com.pichillilorenzo.flutter_inappwebview.Util;
 import com.pichillilorenzo.flutter_inappwebview.plugin_scripts_js.JavaScriptBridgeJS;
 
 import java.io.IOException;
@@ -38,6 +39,7 @@ public class FlutterWebView implements PlatformView {
   public InAppWebView webView;
   public final MethodChannel channel;
   public InAppWebViewMethodHandler methodCallDelegate;
+  public PullToRefreshLayout pullToRefreshLayout;
 
   public FlutterWebView(BinaryMessenger messenger, final Context context, Object id, HashMap<String, Object> params, View containerView) {
     channel = new MethodChannel(messenger, "com.pichillilorenzo/flutter_inappwebview_" + id);
@@ -53,6 +55,7 @@ public class FlutterWebView implements PlatformView {
     Map<String, Object> contextMenu = (Map<String, Object>) params.get("contextMenu");
     Integer windowId = (Integer) params.get("windowId");
     List<Map<String, Object>> initialUserScripts = (List<Map<String, Object>>) params.get("initialUserScripts");
+    Map<String, Object> pullToRefreshInitialOptions = (Map<String, Object>) params.get("pullToRefreshOptions");
 
     InAppWebViewOptions options = new InAppWebViewOptions();
     options.parse(initialOptions);
@@ -74,6 +77,13 @@ public class FlutterWebView implements PlatformView {
     webView = new InAppWebView(context, channel, id, windowId, options, contextMenu, containerView, userScripts);
     displayListenerProxy.onPostWebViewInitialization(displayManager);
 
+    MethodChannel pullToRefreshLayoutChannel = new MethodChannel(messenger, "com.pichillilorenzo/flutter_inappwebview_pull_to_refresh_" + id);
+    PullToRefreshOptions pullToRefreshOptions = new PullToRefreshOptions();
+    pullToRefreshOptions.parse(pullToRefreshInitialOptions);
+    pullToRefreshLayout = new PullToRefreshLayout(context, pullToRefreshLayoutChannel, pullToRefreshOptions);
+    pullToRefreshLayout.addView(webView);
+    pullToRefreshLayout.prepare();
+
     methodCallDelegate = new InAppWebViewMethodHandler(webView);
     channel.setMethodCallHandler(methodCallDelegate);
 
@@ -117,7 +127,7 @@ public class FlutterWebView implements PlatformView {
 
   @Override
   public View getView() {
-    return webView;
+    return pullToRefreshLayout;
   }
 
   @Override
@@ -145,6 +155,11 @@ public class FlutterWebView implements PlatformView {
           webView.dispose();
           webView.destroy();
           webView = null;
+          
+          if (pullToRefreshLayout != null) {
+            pullToRefreshLayout.dispose();
+            pullToRefreshLayout = null;
+          }
         }
       });
       WebSettings settings = webView.getSettings();

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

@@ -175,7 +175,7 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
 
     channel.invokeMethod("onJsAlert", obj, new MethodChannel.Result() {
       @Override
-      public void success(Object response) {
+      public void success(@Nullable Object response) {
         String responseMessage = null;
         String confirmButtonTitle = null;
 
@@ -203,8 +203,8 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
       }
 
       @Override
-      public void error(String s, String s1, Object o) {
+      public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.e(LOG_TAG, s + ", " + s1);
+        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
         result.cancel();
       }
 
@@ -290,8 +290,8 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
       }
 
       @Override
-      public void error(String s, String s1, Object o) {
+      public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.e(LOG_TAG, s + ", " + s1);
+        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
         result.cancel();
       }
 
@@ -393,8 +393,8 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
       }
 
       @Override
-      public void error(String s, String s1, Object o) {
+      public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.e(LOG_TAG, s + ", " + s1);
+        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
         result.cancel();
       }
 
@@ -507,8 +507,8 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
       }
 
       @Override
-      public void error(String s, String s1, Object o) {
+      public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.e(LOG_TAG, s + ", " + s1);
+        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
         result.cancel();
       }
 
@@ -599,6 +599,7 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
 
       @Override
       public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
+        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
         if (InAppWebViewChromeClient.windowWebViewMessages.containsKey(windowId)) {
           InAppWebViewChromeClient.windowWebViewMessages.remove(windowId);
         }
@@ -638,7 +639,8 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
       }
 
       @Override
-      public void error(String s, String s1, Object o) {
+      public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
+        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
         callback.invoke(origin, false, false);
       }
 
@@ -1124,8 +1126,9 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
         }
 
         @Override
-        public void error(String s, String s1, Object o) {
+        public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-          Log.e(LOG_TAG, s + ", " + s1);
+          Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
+          request.deny();
         }
 
         @Override

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

@@ -150,8 +150,8 @@ public class InAppWebViewClient extends WebViewClient {
       }
 
       @Override
-      public void error(String s, String s1, Object o) {
+      public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.e(LOG_TAG, "ERROR: " + s + " " + s1);
+        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
         allowShouldOverrideUrlLoading(webView, url, headers, isForMainFrame);
       }
 
@@ -375,8 +375,8 @@ public class InAppWebViewClient extends WebViewClient {
       }
 
       @Override
-      public void error(String s, String s1, Object o) {
+      public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.e(LOG_TAG, s + ", " + s1);
+        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
       }
 
       @Override
@@ -428,8 +428,8 @@ public class InAppWebViewClient extends WebViewClient {
       }
 
       @Override
-      public void error(String s, String s1, Object o) {
+      public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.e(LOG_TAG, s + ", " + s1);
+        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
       }
 
       @Override
@@ -493,8 +493,8 @@ public class InAppWebViewClient extends WebViewClient {
       }
 
       @Override
-      public void error(String s, String s1, Object o) {
+      public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.e(LOG_TAG, s + ", " + s1);
+        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
       }
 
       @Override
@@ -553,8 +553,8 @@ public class InAppWebViewClient extends WebViewClient {
       }
 
       @Override
-      public void error(String s, String s1, Object o) {
+      public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.e(LOG_TAG, s + ", " + s1);
+        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
       }
 
       @Override
@@ -736,7 +736,7 @@ public class InAppWebViewClient extends WebViewClient {
 
       @Override
       public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.d(LOG_TAG, "ERROR: " + errorCode + " " + errorMessage);
+        Log.e(LOG_TAG, "ERROR: " + errorCode + " " + errorMessage);
       }
 
       @Override

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

@@ -47,7 +47,7 @@ public class InAppWebViewRenderProcessClient extends WebViewRenderProcessClient
 
       @Override
       public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.d(LOG_TAG, "ERROR: " + errorCode + " " + errorMessage);
+        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
       }
 
       @Override
@@ -79,7 +79,7 @@ public class InAppWebViewRenderProcessClient extends WebViewRenderProcessClient
 
       @Override
       public void error(String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
-        Log.d(LOG_TAG, "ERROR: " + errorCode + " " + errorMessage);
+        Log.e(LOG_TAG, errorCode + ", " + ((errorMessage != null) ? errorMessage : ""));
       }
 
       @Override

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/pull_to_refresh/PullToRefreshLayout.java

@@ -0,0 +1,132 @@
+package com.pichillilorenzo.flutter_inappwebview.pull_to_refresh;
+
+import android.content.Context;
+import android.graphics.Color;
+import android.util.AttributeSet;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import io.flutter.plugin.common.MethodCall;
+import io.flutter.plugin.common.MethodChannel;
+
+public class PullToRefreshLayout extends SwipeRefreshLayout implements MethodChannel.MethodCallHandler {
+  static final String LOG_TAG = "PullToRefreshLayout";
+  
+  public MethodChannel channel;
+  public PullToRefreshOptions options;
+
+  public PullToRefreshLayout(@NonNull Context context, @NonNull MethodChannel channel, @NonNull PullToRefreshOptions options) {
+    super(context);
+    this.channel = channel;
+    this.options = options;
+  }
+
+  public PullToRefreshLayout(@NonNull Context context) {
+    super(context);
+    this.channel = null;
+    this.options = null;
+  }
+
+  public PullToRefreshLayout(@NonNull Context context, @Nullable AttributeSet attrs) {
+    super(context, attrs);
+    this.channel = null;
+    this.options = null;
+  }
+
+  public void prepare() {
+    final PullToRefreshLayout self = this;
+
+    if (channel != null) {
+      this.channel.setMethodCallHandler(this);
+    }
+    
+    setEnabled(options.enabled);
+    setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
+      @Override
+      public void onRefresh() {
+        if (channel == null) {
+          self.setRefreshing(false);
+          return;
+        }
+        Map<String, Object> obj = new HashMap<>();
+        channel.invokeMethod("onRefresh", obj);
+      }
+    });
+    if (options.color != null)
+      setColorSchemeColors(Color.parseColor(options.color));
+    if (options.backgroundColor != null)
+      setProgressBackgroundColorSchemeColor(Color.parseColor(options.backgroundColor));
+    if (options.distanceToTriggerSync != null)
+      setDistanceToTriggerSync(options.distanceToTriggerSync);
+    if (options.slingshotDistance != null)
+      setSlingshotDistance(options.slingshotDistance);
+  }
+
+  @Override
+  public void onMethodCall(@NonNull MethodCall call, @NonNull final MethodChannel.Result result) {
+    switch (call.method) {
+      case "setEnabled":
+        {
+          Boolean enabled = (Boolean) call.argument("enabled");
+          setEnabled(enabled);
+        }
+        result.success(true);
+        break;
+      case "setRefreshing":
+        {
+          Boolean refreshing = (Boolean) call.argument("refreshing");
+          setRefreshing(refreshing);
+        }
+        result.success(true);
+        break;
+      case "isRefreshing":
+        result.success(isRefreshing());
+        break;
+      case "setColor":
+        {
+          String color = (String) call.argument("color");
+          setColorSchemeColors(Color.parseColor(color));
+        }
+        result.success(true);
+        break;
+      case "setBackgroundColor":
+        {
+          String color = (String) call.argument("color");
+          setProgressBackgroundColorSchemeColor(Color.parseColor(color));
+        }
+        result.success(true);
+        break;
+      case "setDistanceToTriggerSync":
+        {
+          Integer distanceToTriggerSync = (Integer) call.argument("distanceToTriggerSync");
+          setDistanceToTriggerSync(distanceToTriggerSync);
+        }
+        result.success(true);
+        break;
+      case "setSlingshotDistance":
+        {
+          Integer slingshotDistance = (Integer) call.argument("slingshotDistance");
+          setSlingshotDistance(slingshotDistance);
+        }
+        result.success(true);
+        break;
+      case "getDefaultSlingshotDistance":
+        result.success(SwipeRefreshLayout.DEFAULT_SLINGSHOT_DISTANCE);
+        break;
+      default:
+        result.notImplemented();
+    }
+  }
+
+  public void dispose() {
+    removeAllViews();
+    if (channel != null) {
+      channel.setMethodCallHandler(null);
+    }
+  }
+}

android/src/main/java/com/pichillilorenzo/flutter_inappwebview/pull_to_refresh/PullToRefreshOptions.java

@@ -0,0 +1,69 @@
+package com.pichillilorenzo.flutter_inappwebview.pull_to_refresh;
+
+import androidx.annotation.Nullable;
+
+import com.pichillilorenzo.flutter_inappwebview.Options;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class PullToRefreshOptions implements Options<PullToRefreshLayout> {
+  public static final String LOG_TAG = "PullToRefreshOptions";
+
+  public Boolean enabled = true;
+  @Nullable
+  public String color;
+  @Nullable
+  public String backgroundColor;
+  @Nullable
+  public Integer distanceToTriggerSync;
+  @Nullable
+  public Integer slingshotDistance;
+
+  public PullToRefreshOptions parse(Map<String, Object> options) {
+    for (Map.Entry<String, Object> pair : options.entrySet()) {
+      String key = pair.getKey();
+      Object value = pair.getValue();
+      if (value == null) {
+        continue;
+      }
+
+      switch (key) {
+        case "enabled":
+          enabled = (Boolean) value;
+          break;
+        case "color":
+          color = (String) value;
+          break;
+        case "backgroundColor":
+          backgroundColor = (String) value;
+          break;
+        case "distanceToTriggerSync":
+          distanceToTriggerSync = (Integer) value;
+          break;
+        case "slingshotDistance":
+          slingshotDistance = (Integer) value;
+          break;
+      }
+    }
+
+    return this;
+  }
+
+  public Map<String, Object> toMap() {
+    Map<String, Object> options = new HashMap<>();
+    options.put("enabled", enabled);
+    options.put("color", color);
+    options.put("backgroundColor", backgroundColor);
+    options.put("distanceToTriggerSync", distanceToTriggerSync);
+    options.put("slingshotDistance", slingshotDistance);
+    return options;
+  }
+
+  @Override
+  public Map<String, Object> getRealOptions(PullToRefreshLayout pullToRefreshLayout) {
+    Map<String, Object> realOptions = toMap();
+    return realOptions;
+  }
+
+}

android/src/main/res/layout/activity_web_view.xml

@@ -10,10 +10,15 @@
     tools:context=".in_app_browser.InAppBrowserActivity"
     android:focusable="true">
 
-    <com.pichillilorenzo.flutter_inappwebview.in_app_webview.InAppWebView
+    <com.pichillilorenzo.flutter_inappwebview.pull_to_refresh.PullToRefreshLayout
-        android:id="@+id/webView"
+        android:id="@+id/pullToRefresh"
         android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_height="match_parent">
+        <com.pichillilorenzo.flutter_inappwebview.in_app_webview.InAppWebView
+            android:id="@+id/webView"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+    </com.pichillilorenzo.flutter_inappwebview.pull_to_refresh.PullToRefreshLayout>
 
     <ProgressBar
         android:id="@+id/progressBar"

example/.flutter-plugins-dependencies

@@ -1 +1 @@
-{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.5.2/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"integration_test","path":"/Users/lorenzopichilli/flutter/packages/integration_test/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-2.0.0-nullsafety/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-5.1.0+2/","dependencies":[]},{"name":"url_launcher","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-6.0.0-nullsafety.6/","dependencies":[]}],"android":[{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.5.2/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"integration_test","path":"/Users/lorenzopichilli/flutter/packages/integration_test/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-2.0.0-nullsafety/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-5.1.0+2/","dependencies":[]},{"name":"url_launcher","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-6.0.0-nullsafety.6/","dependencies":[]}],"macos":[{"name":"path_provider_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_macos-0.0.5-nullsafety/","dependencies":[]},{"name":"url_launcher_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_macos-0.1.0-nullsafety.2/","dependencies":[]}],"linux":[{"name":"path_provider_linux","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_linux-0.2.0-nullsafety/","dependencies":[]},{"name":"url_launcher_linux","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_linux-0.1.0-nullsafety.3/","dependencies":[]}],"windows":[{"name":"path_provider_windows","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_windows-0.1.0-nullsafety.3/","dependencies":[]},{"name":"url_launcher_windows","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_windows-0.1.0-nullsafety.2/","dependencies":[]}],"web":[]},"dependencyGraph":[{"name":"flutter_downloader","dependencies":[]},{"name":"flutter_inappwebview","dependencies":[]},{"name":"integration_test","dependencies":[]},{"name":"path_provider","dependencies":["path_provider_macos","path_provider_linux","path_provider_windows"]},{"name":"path_provider_linux","dependencies":[]},{"name":"path_provider_macos","dependencies":[]},{"name":"path_provider_windows","dependencies":[]},{"name":"permission_handler","dependencies":[]},{"name":"url_launcher","dependencies":["url_launcher_linux","url_launcher_macos","url_launcher_windows"]},{"name":"url_launcher_linux","dependencies":[]},{"name":"url_launcher_macos","dependencies":[]},{"name":"url_launcher_windows","dependencies":[]}],"date_created":"2021-03-02 01:01:13.621928","version":"1.27.0-4.0.pre"}
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.5.2/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"integration_test","path":"/Users/lorenzopichilli/flutter/packages/integration_test/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-2.0.0-nullsafety/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-5.1.0+2/","dependencies":[]},{"name":"url_launcher","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-6.0.0-nullsafety.6/","dependencies":[]}],"android":[{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.5.2/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"integration_test","path":"/Users/lorenzopichilli/flutter/packages/integration_test/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-2.0.0-nullsafety/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-5.1.0+2/","dependencies":[]},{"name":"url_launcher","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-6.0.0-nullsafety.6/","dependencies":[]}],"macos":[{"name":"path_provider_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_macos-0.0.5-nullsafety/","dependencies":[]},{"name":"url_launcher_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_macos-0.1.0-nullsafety.2/","dependencies":[]}],"linux":[{"name":"path_provider_linux","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_linux-0.2.0-nullsafety/","dependencies":[]},{"name":"url_launcher_linux","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_linux-0.1.0-nullsafety.3/","dependencies":[]}],"windows":[{"name":"path_provider_windows","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_windows-0.1.0-nullsafety.3/","dependencies":[]},{"name":"url_launcher_windows","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_windows-0.1.0-nullsafety.2/","dependencies":[]}],"web":[]},"dependencyGraph":[{"name":"flutter_downloader","dependencies":[]},{"name":"flutter_inappwebview","dependencies":[]},{"name":"integration_test","dependencies":[]},{"name":"path_provider","dependencies":["path_provider_macos","path_provider_linux","path_provider_windows"]},{"name":"path_provider_linux","dependencies":[]},{"name":"path_provider_macos","dependencies":[]},{"name":"path_provider_windows","dependencies":[]},{"name":"permission_handler","dependencies":[]},{"name":"url_launcher","dependencies":["url_launcher_linux","url_launcher_macos","url_launcher_windows"]},{"name":"url_launcher_linux","dependencies":[]},{"name":"url_launcher_macos","dependencies":[]},{"name":"url_launcher_windows","dependencies":[]}],"date_created":"2021-03-05 22:47:49.023558","version":"2.1.0-10.0.pre"}

example/integration_test/webview_flutter_test.dart

@@ -86,7 +86,7 @@ void main() {
           child: InAppWebView(
             key: GlobalKey(),
             initialUrlRequest:
-                URLRequest(url: Uri.parse('https://flutter.dev/')),
+                URLRequest(url: Uri.parse('https://github.com/flutter')),
             onWebViewCreated: (controller) {
               controllerCompleter.complete(controller);
             },
@@ -96,7 +96,7 @@ void main() {
       final InAppWebViewController controller =
           await controllerCompleter.future;
       final String? currentUrl = (await controller.getUrl())?.toString();
-      expect(currentUrl, 'https://flutter.dev/');
+      expect(currentUrl, 'https://github.com/flutter');
     });
 
     testWidgets('set/get options', (WidgetTester tester) async {
@@ -109,7 +109,7 @@ void main() {
           child: InAppWebView(
             key: GlobalKey(),
             initialUrlRequest:
-                URLRequest(url: Uri.parse('https://flutter.dev/')),
+                URLRequest(url: Uri.parse('https://github.com/flutter')),
             initialOptions: InAppWebViewGroupOptions(
                 crossPlatform: InAppWebViewOptions(javaScriptEnabled: false)),
             onWebViewCreated: (controller) {
@@ -318,7 +318,7 @@ void main() {
           child: InAppWebView(
             key: GlobalKey(),
             initialUrlRequest:
-                URLRequest(url: Uri.parse('https://flutter.dev/')),
+                URLRequest(url: Uri.parse('https://github.com/flutter')),
             onWebViewCreated: (controller) {
               controllerCompleter.complete(controller);
             },
@@ -331,7 +331,7 @@ void main() {
       final InAppWebViewController controller =
           await controllerCompleter.future;
       var url = await pageLoads.stream.first;
-      expect(url, 'https://flutter.dev/');
+      expect(url, 'https://github.com/flutter');
 
       await controller.loadUrl(
           urlRequest: URLRequest(url: Uri.parse('https://www.google.com/')));
@@ -353,7 +353,7 @@ void main() {
           child: InAppWebView(
             key: GlobalKey(),
             initialUrlRequest:
-                URLRequest(url: Uri.parse('https://flutter.dev/')),
+                URLRequest(url: Uri.parse('https://github.com/flutter')),
             onWebViewCreated: (controller) {
               controllerCompleter.complete(controller);
             },
@@ -1528,7 +1528,7 @@ void main() {
             child: InAppWebView(
               key: GlobalKey(),
               initialUrlRequest:
-                  URLRequest(url: Uri.parse('https://flutter.dev/')),
+                  URLRequest(url: Uri.parse('https://github.com/flutter')),
               initialOptions: InAppWebViewGroupOptions(
                   ios: IOSInAppWebViewOptions(
                       allowsBackForwardNavigationGestures: true)),
@@ -1542,8 +1542,8 @@ void main() {
       final InAppWebViewController controller =
           await controllerCompleter.future;
       final String? currentUrl = (await controller.getUrl())?.toString();
-      expect(currentUrl, contains('flutter.dev'));
+      expect(currentUrl, 'https://github.com/flutter');
-    });
+    }, skip: !Platform.isIOS);
 
     testWidgets('target _blank opens in same window',
         (WidgetTester tester) async {
@@ -2497,7 +2497,7 @@ setTimeout(function() {
           child: InAppWebView(
             key: GlobalKey(),
             initialUrlRequest:
-                URLRequest(url: Uri.parse('https://flutter.dev/')),
+                URLRequest(url: Uri.parse('https://github.com/flutter')),
             initialOptions: InAppWebViewGroupOptions(
                 crossPlatform: InAppWebViewOptions(
               clearCache: true,
@@ -2560,7 +2560,7 @@ setTimeout(function() {
           child: InAppWebView(
             key: GlobalKey(),
             initialUrlRequest:
-                URLRequest(url: Uri.parse('https://flutter.dev/')),
+                URLRequest(url: Uri.parse('https://github.com/flutter')),
             onWebViewCreated: (controller) {
               controllerCompleter.complete(controller);
             },
@@ -2634,7 +2634,7 @@ setTimeout(function() {
           child: InAppWebView(
             key: GlobalKey(),
             initialUrlRequest:
-                URLRequest(url: Uri.parse('https://flutter.dev/')),
+                URLRequest(url: Uri.parse('https://github.com/flutter')),
             onLoadStop: (controller, url) async {
               await controller.evaluateJavascript(source: "window.print();");
             },
@@ -2645,7 +2645,7 @@ setTimeout(function() {
         ),
       );
       final String url = await onPrintCompleter.future;
-      expect(url, 'https://flutter.dev/');
+      expect(url, 'https://github.com/flutter');
     }, skip: true);
 
     testWidgets('onWindowFocus', (WidgetTester tester) async {
@@ -2656,7 +2656,7 @@ setTimeout(function() {
           child: InAppWebView(
             key: GlobalKey(),
             initialUrlRequest:
-                URLRequest(url: Uri.parse('https://flutter.dev/')),
+                URLRequest(url: Uri.parse('https://github.com/flutter')),
             onLoadStop: (controller, url) async {
               await controller.evaluateJavascript(
                   source: 'window.dispatchEvent(new Event("focus"));');
@@ -2678,7 +2678,7 @@ setTimeout(function() {
           child: InAppWebView(
             key: GlobalKey(),
             initialUrlRequest:
-                URLRequest(url: Uri.parse('https://flutter.dev/')),
+                URLRequest(url: Uri.parse('https://github.com/flutter')),
             onLoadStop: (controller, url) async {
               await controller.evaluateJavascript(
                   source: 'window.dispatchEvent(new Event("blur"));');
@@ -2703,7 +2703,7 @@ setTimeout(function() {
           child: InAppWebView(
             key: GlobalKey(),
             initialUrlRequest:
-                URLRequest(url: Uri.parse('https://flutter.dev/')),
+                URLRequest(url: Uri.parse('https://github.com/flutter')),
             onWebViewCreated: (controller) {
               controllerCompleter.complete(controller);
             },
@@ -2715,7 +2715,7 @@ setTimeout(function() {
       );
 
       final String? url = await onPageCommitVisibleCompleter.future;
-      expect(url, 'https://flutter.dev/');
+      expect(url, 'https://github.com/flutter');
     });
 
     testWidgets('onTitleChanged', (WidgetTester tester) async {
@@ -2729,7 +2729,7 @@ setTimeout(function() {
           child: InAppWebView(
             key: GlobalKey(),
             initialUrlRequest:
-                URLRequest(url: Uri.parse('https://flutter.dev/')),
+                URLRequest(url: Uri.parse('https://github.com/flutter')),
             onWebViewCreated: (controller) {
               controllerCompleter.complete(controller);
             },
@@ -2903,7 +2903,7 @@ setTimeout(function() {
           child: InAppWebView(
             key: GlobalKey(),
             initialUrlRequest:
-                URLRequest(url: Uri.parse('https://flutter.dev/')),
+                URLRequest(url: Uri.parse('https://github.com/flutter')),
             onWebViewCreated: (controller) {
               controllerCompleter.complete(controller);
             },
@@ -2973,7 +2973,7 @@ setTimeout(function() {
           child: InAppWebView(
             key: GlobalKey(),
             initialUrlRequest:
-                URLRequest(url: Uri.parse('https://flutter.dev/')),
+                URLRequest(url: Uri.parse('https://github.com/flutter')),
             onWebViewCreated: (controller) {
               controllerCompleter.complete(controller);
             },
@@ -3019,7 +3019,7 @@ setTimeout(function() {
             child: InAppWebView(
               key: GlobalKey(),
               initialUrlRequest:
-                  URLRequest(url: Uri.parse('https://flutter.dev/')),
+                  URLRequest(url: Uri.parse('https://github.com/flutter')),
               initialOptions: InAppWebViewGroupOptions(
                   ios: IOSInAppWebViewOptions(useOnNavigationResponse: true)),
               onWebViewCreated: (controller) {
@@ -3039,7 +3039,7 @@ setTimeout(function() {
 
         await pageLoaded.future;
         final String url = await onNavigationResponseCompleter.future;
-        expect(url, 'https://flutter.dev/');
+        expect(url, 'https://github.com/flutter');
       }, skip: !Platform.isIOS);
 
       testWidgets('cancel navigation', (WidgetTester tester) async {
@@ -3055,7 +3055,7 @@ setTimeout(function() {
             child: InAppWebView(
               key: GlobalKey(),
               initialUrlRequest:
-                  URLRequest(url: Uri.parse('https://flutter.dev/')),
+                  URLRequest(url: Uri.parse('https://github.com/flutter')),
               initialOptions: InAppWebViewGroupOptions(
                   ios: IOSInAppWebViewOptions(useOnNavigationResponse: true)),
               onWebViewCreated: (controller) {
@@ -3074,7 +3074,7 @@ setTimeout(function() {
         );
 
         final String url = await onNavigationResponseCompleter.future;
-        expect(url, 'https://flutter.dev/');
+        expect(url, 'https://github.com/flutter');
         expect(pageLoaded.future, doesNotComplete);
       }, skip: !Platform.isIOS);
     }, skip: !Platform.isIOS);
@@ -3374,7 +3374,7 @@ setTimeout(function() {
           child: InAppWebView(
             key: GlobalKey(),
             initialUrlRequest:
-                URLRequest(url: Uri.parse('https://flutter.dev/')),
+                URLRequest(url: Uri.parse('https://github.com/flutter')),
             onWebViewCreated: (controller) {
               controllerCompleter.complete(controller);
             },
@@ -3387,11 +3387,11 @@ setTimeout(function() {
       final InAppWebViewController controller =
           await controllerCompleter.future;
       String? url = await pageLoads.stream.first;
-      expect(url, 'https://flutter.dev/');
+      expect(url, 'https://github.com/flutter');
 
       await controller.reload();
       url = await pageLoads.stream.first;
-      expect(url, 'https://flutter.dev/');
+      expect(url, 'https://github.com/flutter');
 
       pageLoads.close();
     });
@@ -3443,6 +3443,7 @@ setTimeout(function() {
       expect(webHistory.list![0].url.toString(), 'https://flutter.dev/');
       expect(webHistory.list![1].url.toString(), 'https://github.com/flutter');
 
+      await Future.delayed(Duration(seconds: 1));
       await controller.goBack();
       url = await pageLoads.stream.first;
       webHistory = await controller.getCopyBackForwardList();
@@ -3456,6 +3457,7 @@ setTimeout(function() {
       expect(webHistory.list![0].url.toString(), 'https://flutter.dev/');
       expect(webHistory.list![1].url.toString(), 'https://github.com/flutter');
 
+      await Future.delayed(Duration(seconds: 1));
       await controller.goForward();
       url = await pageLoads.stream.first;
       webHistory = await controller.getCopyBackForwardList();
@@ -3469,6 +3471,7 @@ setTimeout(function() {
       expect(webHistory.list![0].url.toString(), 'https://flutter.dev/');
       expect(webHistory.list![1].url.toString(), 'https://github.com/flutter');
 
+      await Future.delayed(Duration(seconds: 1));
       await controller.goTo(historyItem: webHistory.list![0]);
       url = await pageLoads.stream.first;
       webHistory = await controller.getCopyBackForwardList();
@@ -4392,6 +4395,36 @@ setTimeout(function() {
       expect(await InAppWebViewController.getDefaultUserAgent(), isNotNull);
     });
 
+    testWidgets('launches with pull-to-refresh feature', (WidgetTester tester) async {
+      final Completer controllerCompleter = Completer<InAppWebViewController>();
+      final pullToRefreshController = PullToRefreshController(
+        options: PullToRefreshOptions(
+          color: Colors.blue,
+        ),
+        onRefresh: () {
+
+        },
+      );
+
+      await tester.pumpWidget(
+        Directionality(
+          textDirection: TextDirection.ltr,
+          child: InAppWebView(
+            key: GlobalKey(),
+            initialUrlRequest: URLRequest(url: Uri.parse('https://github.com/flutter')),
+            pullToRefreshController: pullToRefreshController,
+            onWebViewCreated: (controller) {
+              controllerCompleter.complete(controller);
+            },
+          ),
+        ),
+      );
+      final InAppWebViewController controller =
+      await controllerCompleter.future;
+      final String? currentUrl = (await controller.getUrl())?.toString();
+      expect(currentUrl, 'https://github.com/flutter');
+    });
+
     group('android methods', () {
       testWidgets('clearSslPreferences', (WidgetTester tester) async {
         final Completer controllerCompleter =
@@ -4462,7 +4495,7 @@ setTimeout(function() {
             child: InAppWebView(
               key: GlobalKey(),
               initialUrlRequest:
-                  URLRequest(url: Uri.parse('https://flutter.dev')),
+                  URLRequest(url: Uri.parse('https://github.com/flutter')),
               onWebViewCreated: (controller) {
                 controllerCompleter.complete(controller);
               },
@@ -4477,7 +4510,7 @@ setTimeout(function() {
             await controllerCompleter.future;
         await pageLoaded.future;
         var originUrl = (await controller.android.getOriginalUrl())?.toString();
-        expect(originUrl, 'https://flutter.dev/');
+        expect(originUrl, 'https://github.com/flutter');
       }, skip: !Platform.isAndroid);
 
       testWidgets('pageDown/pageUp', (WidgetTester tester) async {
@@ -4759,7 +4792,7 @@ setTimeout(function() {
       final Completer<void> pageLoaded = Completer<void>();
 
       var headlessWebView = new HeadlessInAppWebView(
-        initialUrlRequest: URLRequest(url: Uri.parse("https://flutter.dev")),
+        initialUrlRequest: URLRequest(url: Uri.parse("https://github.com/flutter")),
         onWebViewCreated: (controller) {
           controllerCompleter.complete(controller);
         },
@@ -4774,7 +4807,7 @@ setTimeout(function() {
       await pageLoaded.future;
 
       final String? url = (await controller.getUrl())?.toString();
-      expect(url, 'https://flutter.dev/');
+      expect(url, 'https://github.com/flutter');
 
       await headlessWebView.dispose();
 
@@ -4787,7 +4820,7 @@ setTimeout(function() {
       final Completer<void> pageLoaded = Completer<void>();
 
       var headlessWebView = new HeadlessInAppWebView(
-        initialUrlRequest: URLRequest(url: Uri.parse("https://flutter.dev")),
+        initialUrlRequest: URLRequest(url: Uri.parse("https://github.com/flutter")),
         initialOptions: InAppWebViewGroupOptions(
             crossPlatform: InAppWebViewOptions(javaScriptEnabled: false)),
         onWebViewCreated: (controller) {
@@ -4818,7 +4851,7 @@ setTimeout(function() {
   });
 
   group('InAppBrowser', () {
-    test('open and close', () async {
+    test('openUrlRequest and close', () async {
       var inAppBrowser = new MyInAppBrowser();
       expect(inAppBrowser.isOpened(), false);
       expect(() async {
@@ -4826,13 +4859,87 @@ setTimeout(function() {
       }, throwsA(isInstanceOf<InAppBrowserNotOpenedException>()));
 
       await inAppBrowser.openUrlRequest(
-          urlRequest: URLRequest(url: Uri.parse("https://flutter.dev")));
+          urlRequest: URLRequest(url: Uri.parse("https://github.com/flutter")));
       await inAppBrowser.browserCreated.future;
       expect(inAppBrowser.isOpened(), true);
       expect(() async {
         await inAppBrowser.openUrlRequest(
             urlRequest:
-                URLRequest(url: Uri.parse("https://github.com/flutter")));
+                URLRequest(url: Uri.parse("https://flutter.dev")));
+      }, throwsA(isInstanceOf<InAppBrowserAlreadyOpenedException>()));
+
+      await inAppBrowser.firstPageLoaded.future;
+      var controller = inAppBrowser.webViewController;
+
+      final String? url = (await controller.getUrl())?.toString();
+      expect(url, 'https://github.com/flutter');
+
+      await inAppBrowser.close();
+      expect(inAppBrowser.isOpened(), false);
+      expect(() async => await inAppBrowser.webViewController.getUrl(),
+          throwsA(isInstanceOf<MissingPluginException>()));
+    });
+
+    test('openFile and close', () async {
+      var inAppBrowser = new MyInAppBrowser();
+      expect(inAppBrowser.isOpened(), false);
+      expect(() async {
+        await inAppBrowser.show();
+      }, throwsA(isInstanceOf<InAppBrowserNotOpenedException>()));
+
+      await inAppBrowser.openFile(assetFilePath: "test_assets/in_app_webview_initial_file_test.html");
+      await inAppBrowser.browserCreated.future;
+      expect(inAppBrowser.isOpened(), true);
+      expect(() async {
+        await inAppBrowser.openUrlRequest(
+            urlRequest:
+            URLRequest(url: Uri.parse("https://github.com/flutter")));
+      }, throwsA(isInstanceOf<InAppBrowserAlreadyOpenedException>()));
+
+      await inAppBrowser.firstPageLoaded.future;
+      var controller = inAppBrowser.webViewController;
+
+      final String? url = (await controller.getUrl())?.toString();
+      expect(url, endsWith("in_app_webview_initial_file_test.html"));
+
+      await inAppBrowser.close();
+      expect(inAppBrowser.isOpened(), false);
+      expect(() async => await inAppBrowser.webViewController.getUrl(),
+          throwsA(isInstanceOf<MissingPluginException>()));
+    });
+
+    test('openFile and close', () async {
+      var inAppBrowser = new MyInAppBrowser();
+      expect(inAppBrowser.isOpened(), false);
+      expect(() async {
+        await inAppBrowser.show();
+      }, throwsA(isInstanceOf<InAppBrowserNotOpenedException>()));
+
+      await inAppBrowser.openData(data: """
+<!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">
+        <link rel="stylesheet" href="https://getbootstrap.com/docs/4.3/dist/css/bootstrap.min.css">
+        <script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
+    </head>
+    <body>
+      <img src="https://via.placeholder.com/100x50" alt="placeholder 100x50">
+    </body>
+</html>
+""",
+          encoding: 'utf-8',
+          mimeType: 'text/html',
+          androidHistoryUrl: Uri.parse("https://flutter.dev"),
+          baseUrl: Uri.parse("https://flutter.dev"));
+      await inAppBrowser.browserCreated.future;
+      expect(inAppBrowser.isOpened(), true);
+      expect(() async {
+        await inAppBrowser.openUrlRequest(
+            urlRequest:
+            URLRequest(url: Uri.parse("https://github.com/flutter")));
       }, throwsA(isInstanceOf<InAppBrowserAlreadyOpenedException>()));
 
       await inAppBrowser.firstPageLoaded.future;
@@ -4850,7 +4957,7 @@ setTimeout(function() {
     test('set/get options', () async {
       var inAppBrowser = new MyInAppBrowser();
       await inAppBrowser.openUrlRequest(
-          urlRequest: URLRequest(url: Uri.parse("https://flutter.dev")),
+          urlRequest: URLRequest(url: Uri.parse("https://github.com/flutter")),
           options: InAppBrowserClassOptions(
               crossPlatform: InAppBrowserOptions(hideToolbarTop: true)));
       await inAppBrowser.browserCreated.future;
@@ -4875,12 +4982,12 @@ setTimeout(function() {
       var chromeSafariBrowser = new MyChromeSafariBrowser();
       expect(chromeSafariBrowser.isOpened(), false);
 
-      await chromeSafariBrowser.open(url: Uri.parse("https://flutter.dev"));
+      await chromeSafariBrowser.open(url: Uri.parse("https://github.com/flutter"));
       await chromeSafariBrowser.browserCreated.future;
       expect(chromeSafariBrowser.isOpened(), true);
       expect(() async {
         await chromeSafariBrowser.open(
-            url: Uri.parse("https://github.com/flutter"));
+            url: Uri.parse("https://flutter.dev"));
       }, throwsA(isInstanceOf<ChromeSafariBrowserAlreadyOpenedException>()));
 
       await expectLater(chromeSafariBrowser.firstPageLoaded.future, completes);

example/lib/in_app_browser_example.screen.dart

@@ -1,5 +1,6 @@
 import 'dart:async';
 import 'dart:collection';
+import 'dart:io';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_inappwebview/flutter_inappwebview.dart';
@@ -23,16 +24,21 @@ class MyInAppBrowser extends InAppBrowser {
 
   @override
   Future onLoadStop(url) async {
+    pullToRefreshController?.endRefreshing();
     print("\n\nStopped $url\n\n");
   }
 
   @override
   void onLoadError(url, code, message) {
+    pullToRefreshController?.endRefreshing();
     print("Can't load $url.. Error: $message");
   }
 
   @override
   void onProgressChanged(progress) {
+    if (progress == 100) {
+      pullToRefreshController?.endRefreshing();
+    }
     print("Progress: $progress");
   }
 
@@ -77,9 +83,27 @@ class InAppBrowserExampleScreen extends StatefulWidget {
 }
 
 class _InAppBrowserExampleScreenState extends State<InAppBrowserExampleScreen> {
+
+  late PullToRefreshController pullToRefreshController;
+
   @override
   void initState() {
     super.initState();
+
+    pullToRefreshController = PullToRefreshController(
+      options: PullToRefreshOptions(
+        color: Colors.black,
+      ),
+      onRefresh: () async {
+        if (Platform.isAndroid) {
+          widget.browser.webViewController.reload();
+        } else if (Platform.isIOS) {
+          widget.browser.webViewController.loadUrl(
+              urlRequest: URLRequest(url: await widget.browser.webViewController.getUrl()));
+        }
+      },
+    );
+    widget.browser.pullToRefreshController = pullToRefreshController;
   }
 
   @override

example/lib/in_app_webiew_example.screen.dart

@@ -17,13 +17,26 @@ class InAppWebViewExampleScreen extends StatefulWidget {
 }
 
 class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
+
   final GlobalKey webViewKey = GlobalKey();
 
-  InAppWebViewController? webView;
+  InAppWebViewController? webViewController;
+  InAppWebViewGroupOptions options = InAppWebViewGroupOptions(
+      crossPlatform: InAppWebViewOptions(
+        mediaPlaybackRequiresUserGesture: false,
+      ),
+      android: AndroidInAppWebViewOptions(
+        useHybridComposition: true,
+      ),
+      ios: IOSInAppWebViewOptions(
+        allowsInlineMediaPlayback: true,
+      ));
+
+  late PullToRefreshController pullToRefreshController;
   late ContextMenu contextMenu;
   String url = "";
   double progress = 0;
-  // CookieManager _cookieManager = CookieManager.instance();
+  final urlController = TextEditingController();
 
   @override
   void initState() {
@@ -37,15 +50,15 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
               title: "Special",
               action: () async {
                 print("Menu item Special clicked!");
-                print(await webView?.getSelectedText());
+                print(await webViewController?.getSelectedText());
-                await webView?.clearFocus();
+                await webViewController?.clearFocus();
               })
         ],
         options: ContextMenuOptions(hideDefaultSystemContextMenuItems: false),
         onCreateContextMenu: (hitTestResult) async {
           print("onCreateContextMenu");
           print(hitTestResult.extra);
-          print(await webView?.getSelectedText());
+          print(await webViewController?.getSelectedText());
         },
         onHideContextMenu: () {
           print("onHideContextMenu");
@@ -59,6 +72,20 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
               " " +
               contextMenuItemClicked.title);
         });
+
+    pullToRefreshController = PullToRefreshController(
+      options: PullToRefreshOptions(
+        color: Colors.blue,
+      ),
+      onRefresh: () async {
+        if (Platform.isAndroid) {
+          webViewController?.reload();
+        } else if (Platform.isIOS) {
+          webViewController?.loadUrl(
+              urlRequest: URLRequest(url: await webViewController?.getUrl()));
+        }
+      },
+    );
   }
 
   @override
@@ -66,18 +93,6 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
     super.dispose();
   }
 
-  var options = InAppWebViewGroupOptions(
-      crossPlatform: InAppWebViewOptions(
-        useShouldOverrideUrlLoading: false,
-        mediaPlaybackRequiresUserGesture: false,
-      ),
-      android: AndroidInAppWebViewOptions(
-        useHybridComposition: true,
-      ),
-      ios: IOSInAppWebViewOptions(
-        allowsInlineMediaPlayback: true,
-      ));
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -85,92 +100,106 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
         drawer: myDrawer(context: context),
         body: SafeArea(
             child: Column(children: <Widget>[
-          Container(
+          TextField(
-            padding: EdgeInsets.all(20.0),
+            decoration: InputDecoration(
-            child: Text(
+                prefixIcon: Icon(Icons.search)
-                "CURRENT URL\n${(url.length > 50) ? url.substring(0, 50) + "..." : url}"),
-          ),
-          Container(
-              padding: EdgeInsets.all(10.0),
-              child: progress < 1.0
-                  ? LinearProgressIndicator(value: progress)
-                  : Container()),
-          Expanded(
-            child: Container(
-              margin: const EdgeInsets.all(10.0),
-              decoration:
-                  BoxDecoration(border: Border.all(color: Colors.blueAccent)),
-              child: InAppWebView(
-                key: webViewKey,
-                // contextMenu: contextMenu,
-                initialUrlRequest:
-                    URLRequest(url: Uri.parse("https://flutter.dev")),
-                // initialFile: "assets/index.html",
-                initialUserScripts: UnmodifiableListView<UserScript>([]),
-                initialOptions: options,
-                onWebViewCreated: (controller) {
-                  webView = controller;
-                  print("onWebViewCreated");
-                },
-                onLoadStart: (controller, url) {
-                  print("onLoadStart $url");
-                  setState(() {
-                    this.url = url.toString();
-                  });
-                },
-                androidOnPermissionRequest: (InAppWebViewController controller,
-                    String origin, List<String> resources) async {
-                  return PermissionRequestResponse(
-                      resources: resources,
-                      action: PermissionRequestResponseAction.GRANT);
-                },
-                shouldOverrideUrlLoading: (controller, navigationAction) async {
-                  var uri = navigationAction.request.url!;
-
-                  if (![
-                    "http",
-                    "https",
-                    "file",
-                    "chrome",
-                    "data",
-                    "javascript",
-                    "about"
-                  ].contains(uri.scheme)) {
-                    if (await canLaunch(url)) {
-                      // Launch the App
-                      await launch(
-                        url,
-                      );
-                      // and cancel the request
-                      return NavigationActionPolicy.CANCEL;
-                    }
-                  }
-
-                  return NavigationActionPolicy.ALLOW;
-                },
-                onLoadStop: (controller, url) async {
-                  print("onLoadStop $url");
-                  setState(() {
-                    this.url = url.toString();
-                  });
-                  webView = controller;
-                },
-                onProgressChanged: (controller, progress) {
-                  setState(() {
-                    this.progress = progress / 100;
-                  });
-                },
-                onUpdateVisitedHistory: (controller, url, androidIsReload) {
-                  print("onUpdateVisitedHistory $url");
-                  setState(() {
-                    this.url = url.toString();
-                  });
-                },
-                onConsoleMessage: (controller, consoleMessage) {
-                  print(consoleMessage);
-                },
-              ),
             ),
+            controller: urlController,
+            keyboardType: TextInputType.url,
+            onSubmitted: (value) {
+              var url = Uri.parse(value);
+              if (url.scheme.isEmpty) {
+                url = Uri.parse("https://www.google.com/search?q=" + value);
+              }
+              webViewController?.loadUrl(
+                  urlRequest: URLRequest(url: url));
+            },
+          ),
+          Expanded(
+              child: Stack(
+                children: [
+                  InAppWebView(
+                    key: webViewKey,
+                    // contextMenu: contextMenu,
+                    initialUrlRequest:
+                    URLRequest(url: Uri.parse("https://github.com/flutter")),
+                    // initialFile: "assets/index.html",
+                    initialUserScripts: UnmodifiableListView<UserScript>([]),
+                    initialOptions: options,
+                    pullToRefreshController: pullToRefreshController,
+                    onWebViewCreated: (controller) {
+                      webViewController = controller;
+                    },
+                    onLoadStart: (controller, url) {
+                      setState(() {
+                        this.url = url.toString();
+                        urlController.text = this.url;
+                      });
+                    },
+                    androidOnPermissionRequest: (InAppWebViewController controller,
+                        String origin, List<String> resources) async {
+                      return PermissionRequestResponse(
+                          resources: resources,
+                          action: PermissionRequestResponseAction.GRANT);
+                    },
+                    shouldOverrideUrlLoading: (controller, navigationAction) async {
+                      var uri = navigationAction.request.url!;
+
+                      if (![
+                        "http",
+                        "https",
+                        "file",
+                        "chrome",
+                        "data",
+                        "javascript",
+                        "about"
+                      ].contains(uri.scheme)) {
+                        if (await canLaunch(url)) {
+                          // Launch the App
+                          await launch(
+                            url,
+                          );
+                          // and cancel the request
+                          return NavigationActionPolicy.CANCEL;
+                        }
+                      }
+
+                      return NavigationActionPolicy.ALLOW;
+                    },
+                    onLoadStop: (controller, url) async {
+                      pullToRefreshController.endRefreshing();
+                      setState(() {
+                        this.url = url.toString();
+                        urlController.text = this.url;
+                      });
+                    },
+                    onLoadError: (controller, url, code, message) {
+                      pullToRefreshController.endRefreshing();
+                    },
+                    onProgressChanged: (controller, progress) {
+                      if (progress == 100) {
+                        pullToRefreshController.endRefreshing();
+                      }
+                      setState(() {
+                        this.progress = progress / 100;
+                        urlController.text = this.url;
+                      });
+                    },
+                    onUpdateVisitedHistory: (controller, url, androidIsReload) {
+                      setState(() {
+                        this.url = url.toString();
+                        urlController.text = this.url;
+                      });
+                    },
+                    onConsoleMessage: (controller, consoleMessage) {
+                      print(consoleMessage);
+                    },
+                  ),
+                  progress < 1.0
+                      ? LinearProgressIndicator(value: progress)
+                      : Container(),
+                ],
+              ),
           ),
           ButtonBar(
             alignment: MainAxisAlignment.center,
@@ -178,19 +207,19 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
               ElevatedButton(
                 child: Icon(Icons.arrow_back),
                 onPressed: () {
-                  webView?.goBack();
+                  webViewController?.goBack();
                 },
               ),
               ElevatedButton(
                 child: Icon(Icons.arrow_forward),
                 onPressed: () {
-                  webView?.goForward();
+                  webViewController?.goForward();
                 },
               ),
               ElevatedButton(
                 child: Icon(Icons.refresh),
                 onPressed: () {
-                  webView?.reload();
+                  webViewController?.reload();
                 },
               ),
             ],

example/pubspec.yaml

@@ -22,7 +22,7 @@ dependencies:
   cupertino_icons: ^1.0.2
   flutter_downloader: ^1.5.2
   path_provider: ^2.0.0-nullsafety
-  permission_handler: ^5.0.1+1
+  permission_handler: ^5.1.0+2
   url_launcher: ^6.0.0-nullsafety.4
   # connectivity: ^0.4.5+6
   flutter_inappwebview:

ios/Classes/InAppBrowser/InAppBrowserManager.swift

@@ -36,38 +36,8 @@ public class InAppBrowserManager: NSObject, FlutterPlugin {
         let arguments = call.arguments as? NSDictionary
 
         switch call.method {
-            case "openUrlRequest":
+            case "open":
-                let id = arguments!["id"] as! String
+                open(arguments: arguments!)
-                let urlRequest = arguments!["urlRequest"] as! [String:Any?]
-                let options = arguments!["options"] as! [String: Any?]
-                let contextMenu = arguments!["contextMenu"] as! [String: Any]
-                let windowId = arguments!["windowId"] as? Int64
-                let initialUserScripts = arguments!["initialUserScripts"] as? [[String: Any]]
-                openUrlRequest(id: id, urlRequest: urlRequest, options: options, contextMenu: contextMenu, windowId: windowId, initialUserScripts: initialUserScripts)
-                result(true)
-                break
-            case "openFile":
-                let id = arguments!["id"] as! String
-                let assetFilePath = arguments!["assetFilePath"] as! String
-                let options = arguments!["options"] as! [String: Any?]
-                let contextMenu = arguments!["contextMenu"] as! [String: Any]
-                let windowId = arguments!["windowId"] as? Int64
-                let initialUserScripts = arguments!["initialUserScripts"] as? [[String: Any]]
-                openFile(id: id, assetFilePath: assetFilePath, options: options, contextMenu: contextMenu, windowId: windowId, initialUserScripts: initialUserScripts)
-                result(true)
-                break
-            case "openData":
-                let id = arguments!["id"] as! String
-                let options = arguments!["options"] as! [String: Any?]
-                let data = arguments!["data"] as! String
-                let mimeType = arguments!["mimeType"] as! String
-                let encoding = arguments!["encoding"] as! String
-                let baseUrl = arguments!["baseUrl"] as! String
-                let contextMenu = arguments!["contextMenu"] as! [String: Any]
-                let windowId = arguments!["windowId"] as? Int64
-                let initialUserScripts = arguments!["initialUserScripts"] as? [[String: Any]]
-                openData(id: id, options: options, data: data, mimeType: mimeType, encoding: encoding, baseUrl: baseUrl,
-                         contextMenu: contextMenu, windowId: windowId, initialUserScripts: initialUserScripts)
                 result(true)
                 break
             case "openWithSystemBrowser":
@@ -98,37 +68,25 @@ public class InAppBrowserManager: NSObject, FlutterPlugin {
         return webViewController
     }
     
-    public func openUrlRequest(id: String, urlRequest: [String:Any?], options: [String: Any?],
+    public func open(arguments: NSDictionary) {
-                        contextMenu: [String: Any], windowId: Int64?, initialUserScripts: [[String: Any]]?) {
+        let id = arguments["id"] as! String
-        let webViewController = prepareInAppBrowserWebViewController(options: options)
+        let urlRequest = arguments["urlRequest"] as? [String:Any?]
-        
+        let assetFilePath = arguments["assetFilePath"] as? String
-        webViewController.id = id
+        let data = arguments["data"] as? String
-        webViewController.initialUrlRequest = URLRequest.init(fromPluginMap: urlRequest)
+        let mimeType = arguments["mimeType"] as? String
-        webViewController.contextMenu = contextMenu
+        let encoding = arguments["encoding"] as? String
-        webViewController.windowId = windowId
+        let baseUrl = arguments["baseUrl"] as? String
-        webViewController.initialUserScripts = initialUserScripts ?? []
+        let options = arguments["options"] as! [String: Any?]
-        
+        let contextMenu = arguments["contextMenu"] as! [String: Any]
-        presentViewController(webViewController: webViewController)
+        let windowId = arguments["windowId"] as? Int64
-    }
+        let initialUserScripts = arguments["initialUserScripts"] as? [[String: Any]]
-    
+        let pullToRefreshInitialOptions = arguments["pullToRefreshOptions"] as! [String: Any?]
-    public func openFile(id: String, assetFilePath: String, options: [String: Any?],
+        
-                        contextMenu: [String: Any], windowId: Int64?, initialUserScripts: [[String: Any]]?) {
         let webViewController = prepareInAppBrowserWebViewController(options: options)
         
         webViewController.id = id
+        webViewController.initialUrlRequest = urlRequest != nil ? URLRequest.init(fromPluginMap: urlRequest!) : nil
         webViewController.initialFile = assetFilePath
-        webViewController.contextMenu = contextMenu
-        webViewController.windowId = windowId
-        webViewController.initialUserScripts = initialUserScripts ?? []
-        
-        presentViewController(webViewController: webViewController)
-    }
-    
-    public func openData(id: String, options: [String: Any?], data: String, mimeType: String, encoding: String,
-                         baseUrl: String, contextMenu: [String: Any], windowId: Int64?, initialUserScripts: [[String: Any]]?) {
-        let webViewController = prepareInAppBrowserWebViewController(options: options)
-        
-        webViewController.id = id
         webViewController.initialData = data
         webViewController.initialMimeType = mimeType
         webViewController.initialEncoding = encoding
@@ -136,6 +94,7 @@ public class InAppBrowserManager: NSObject, FlutterPlugin {
         webViewController.contextMenu = contextMenu
         webViewController.windowId = windowId
         webViewController.initialUserScripts = initialUserScripts ?? []
+        webViewController.pullToRefreshInitialOptions = pullToRefreshInitialOptions
         
         presentViewController(webViewController: webViewController)
     }

ios/Classes/InAppBrowser/InAppBrowserWebViewController.swift

@@ -36,6 +36,7 @@ public class InAppBrowserWebViewController: UIViewController, InAppBrowserDelega
     var initialBaseUrl: String?
     var previousStatusBarStyle = -1
     var initialUserScripts: [[String: Any]] = []
+    var pullToRefreshInitialOptions: [String: Any?] = [:]
     var methodCallDelegate: InAppWebViewMethodHandler?
 
     public override func loadView() {
@@ -64,6 +65,15 @@ public class InAppBrowserWebViewController: UIViewController, InAppBrowserDelega
         methodCallDelegate = InAppWebViewMethodHandler(webView: webView!)
         channel!.setMethodCallHandler(LeakAvoider(delegate: methodCallDelegate!).handle)
         
+        let pullToRefreshLayoutChannel = FlutterMethodChannel(name: "com.pichillilorenzo/flutter_inappwebview_pull_to_refresh_" + id,
+                                                              binaryMessenger: SwiftFlutterPlugin.instance!.registrar!.messenger())
+        let pullToRefreshOptions = PullToRefreshOptions()
+        let _ = pullToRefreshOptions.parse(options: pullToRefreshInitialOptions)
+        let pullToRefreshControl = PullToRefreshControl(channel: pullToRefreshLayoutChannel, options: pullToRefreshOptions)
+        webView.pullToRefreshControl = pullToRefreshControl
+        pullToRefreshControl.delegate = webView
+        pullToRefreshControl.prepare()
+        
         prepareWebView()
         
         progressBar = UIProgressView(progressViewStyle: .bar)

ios/Classes/InAppWebView/FlutterWebViewController.swift

@@ -23,13 +23,8 @@ public class FlutterWebViewController: NSObject, FlutterPlatformView {
         self.registrar = registrar
         self.viewId = viewId
         
-        var channelName = ""
+        channel = FlutterMethodChannel(name: "com.pichillilorenzo/flutter_inappwebview_" + String(describing: viewId),
-        if let id = viewId as? Int64 {
+                                       binaryMessenger: registrar.messenger())
-            channelName = "com.pichillilorenzo/flutter_inappwebview_" + String(id)
-        } else if let id = viewId as? String {
-            channelName = "com.pichillilorenzo/flutter_inappwebview_" + id
-        }
-        channel = FlutterMethodChannel(name: channelName, binaryMessenger: registrar.messenger())
         
         myView = UIView(frame: frame)
         myView!.clipsToBounds = true
@@ -41,6 +36,7 @@ public class FlutterWebViewController: NSObject, FlutterPlatformView {
         let contextMenu = args["contextMenu"] as? [String: Any]
         let windowId = args["windowId"] as? Int64
         let initialUserScripts = args["initialUserScripts"] as? [[String: Any]]
+        let pullToRefreshInitialOptions = args["pullToRefreshOptions"] as! [String: Any?]
         
         var userScripts: [UserScript] = []
         if let initialUserScripts = initialUserScripts {
@@ -70,6 +66,15 @@ public class FlutterWebViewController: NSObject, FlutterPlatformView {
         methodCallDelegate = InAppWebViewMethodHandler(webView: webView!)
         channel!.setMethodCallHandler(LeakAvoider(delegate: methodCallDelegate!).handle)
         
+        let pullToRefreshLayoutChannel = FlutterMethodChannel(name: "com.pichillilorenzo/flutter_inappwebview_pull_to_refresh_" + String(describing: viewId),
+                                                              binaryMessenger: registrar.messenger())
+        let pullToRefreshOptions = PullToRefreshOptions()
+        let _ = pullToRefreshOptions.parse(options: pullToRefreshInitialOptions)
+        let pullToRefreshControl = PullToRefreshControl(channel: pullToRefreshLayoutChannel, options: pullToRefreshOptions)
+        webView!.pullToRefreshControl = pullToRefreshControl
+        pullToRefreshControl.delegate = webView!
+        pullToRefreshControl.prepare()
+
         webView!.autoresizingMask = [.flexibleWidth, .flexibleHeight]
         myView!.autoresizesSubviews = true
         myView!.autoresizingMask = [.flexibleWidth, .flexibleHeight]

ios/Classes/InAppWebView/InAppWebView.swift

@@ -9,16 +9,20 @@ import Flutter
 import Foundation
 import WebKit
 
-public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavigationDelegate, WKScriptMessageHandler, UIGestureRecognizerDelegate {
+public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavigationDelegate, WKScriptMessageHandler, UIGestureRecognizerDelegate, PullToRefreshDelegate {
 
     var windowId: Int64?
     var inAppBrowserDelegate: InAppBrowserDelegate?
     var channel: FlutterMethodChannel?
     var options: InAppWebViewOptions?
+    var pullToRefreshControl: PullToRefreshControl?
+    
     static var sslCertificatesMap: [String: SslCertificate] = [:] // [URL host name : SslCertificate]
     static var credentialsProposed: [URLCredential] = []
+    
     var lastScrollX: CGFloat = 0
     var lastScrollY: CGFloat = 0
+    
     var isPausedTimers = false
     var isPausedTimersCompletionHandler: (() -> Void)?
 
@@ -251,9 +255,18 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
         return super.canPerformAction(action, withSender: sender)
     }
     
+    public func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
+        // fix for pull-to-refresh jittering when the touch drag event is held
+        if let pullToRefreshControl = pullToRefreshControl,
+           pullToRefreshControl.shouldCallOnRefresh {
+            pullToRefreshControl.onRefresh()
+        }
+    }
+
     public func prepare() {
-        self.scrollView.addGestureRecognizer(self.longPressRecognizer)
+        scrollView.addGestureRecognizer(self.longPressRecognizer)
-        self.scrollView.addGestureRecognizer(self.recognizerForDisablingContextMenuOnLinks)
+        scrollView.addGestureRecognizer(self.recognizerForDisablingContextMenuOnLinks)
+        scrollView.addObserver(self, forKeyPath: #keyPath(UIScrollView.contentOffset), options: [.new, .old], context: nil)
         
         addObserver(self,
                     forKeyPath: #keyPath(WKWebView.estimatedProgress),
@@ -276,7 +289,6 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
                         name: UIMenuController.willShowMenuNotification,
                         object: nil)
         
-        
         NotificationCenter.default.addObserver(
                         self,
                         selector: #selector(onHideContextMenu),
@@ -566,7 +578,13 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
             let newTitle = change?[NSKeyValueChangeKey.newKey] as? String
             onTitleChanged(title: newTitle)
             inAppBrowserDelegate?.didChangeTitle(title: newTitle)
-       }
+        } else if keyPath == #keyPath(UIScrollView.contentOffset) {
+            let newContentOffset = change?[NSKeyValueChangeKey.newKey] as? CGPoint
+            let oldContentOffset = change?[NSKeyValueChangeKey.oldKey] as? CGPoint
+            if scrollView.isDragging || scrollView.isDecelerating || newContentOffset != oldContentOffset {
+                onScrollChanged()
+            }
+        }
         replaceGestureHandlerIfNeeded()
     }
     
@@ -1956,7 +1974,15 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
         })
     }
     
-    public func scrollViewDidScroll(_ scrollView: UIScrollView) {
+    /// UIScrollViewDelegate is somehow bugged:
+    /// if InAppWebView implements the UIScrollViewDelegate protocol and implement the scrollViewDidScroll event,
+    /// then, when the user scrolls the content, the webview content is not rendered (just white space).
+    /// Calling setNeedsLayout() resolves this problem, but, for some reason, the bounce effect is canceled.
+    ///
+    /// So, to track the same event, without implementing the scrollViewDidScroll event, we create
+    /// an observer that observes the scrollView.contentOffset property.
+    /// This way, we don't need to call setNeedsLayout() and all works fine.
+    public func onScrollChanged() {
         let disableVerticalScroll = options?.disableVerticalScroll ?? false
         let disableHorizontalScroll = options?.disableHorizontalScroll ?? false
         if disableVerticalScroll && disableHorizontalScroll {
@@ -2635,6 +2661,23 @@ if(window.\(JAVASCRIPT_BRIDGE_NAME)[\(_callHandlerID)] != null) {
         }
     }
     
+    public func enablePullToRefresh() {
+        if let pullToRefreshControl = pullToRefreshControl {
+            if #available(iOS 10.0, *) {
+                scrollView.refreshControl = pullToRefreshControl
+            } else {
+                scrollView.addSubview(pullToRefreshControl)
+            }
+        }
+    }
+    
+    public func disablePullToRefresh() {
+        pullToRefreshControl?.removeFromSuperview()
+        if #available(iOS 10.0, *) {
+            scrollView.refreshControl = nil
+        }
+    }
+    
     public func dispose() {
         if isPausedTimers, let completionHandler = isPausedTimersCompletionHandler {
             isPausedTimersCompletionHandler = nil
@@ -2659,12 +2702,16 @@ if(window.\(JAVASCRIPT_BRIDGE_NAME)[\(_callHandlerID)] != null) {
         for imp in customIMPs {
             imp_removeBlock(imp)
         }
+        scrollView.removeObserver(self, forKeyPath: #keyPath(UIScrollView.contentOffset))
         longPressRecognizer.removeTarget(self, action: #selector(longPressGestureDetected))
         longPressRecognizer.delegate = nil
         scrollView.removeGestureRecognizer(longPressRecognizer)
         recognizerForDisablingContextMenuOnLinks.removeTarget(self, action: #selector(longPressGestureDetected))
         recognizerForDisablingContextMenuOnLinks.delegate = nil
         scrollView.removeGestureRecognizer(recognizerForDisablingContextMenuOnLinks)
+        disablePullToRefresh()
+        pullToRefreshControl?.dispose()
+        pullToRefreshControl = nil
         uiDelegate = nil
         navigationDelegate = nil
         scrollView.delegate = nil

ios/Classes/InAppWebViewMethodHandler.swift

@@ -8,7 +8,7 @@
 import Foundation
 import WebKit
 
-class InAppWebViewMethodHandler: FlutterMethodCallDelegate {
+public class InAppWebViewMethodHandler: FlutterMethodCallDelegate {
     var webView: InAppWebView?
     
     init(webView: InAppWebView) {

ios/Classes/LeakAvoider.swift

@@ -11,8 +11,8 @@ public class LeakAvoider: NSObject {
     weak var delegate : FlutterMethodCallDelegate?
     
     init(delegate: FlutterMethodCallDelegate) {
-        self.delegate = delegate
         super.init()
+        self.delegate = delegate
     }
     
     public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {

ios/Classes/PullToRefresh/PullToRefreshControl.swift

@@ -0,0 +1,113 @@
+//
+//  File.swift
+//  flutter_inappwebview
+//
+//  Created by Lorenzo Pichilli on 03/03/21.
+//
+
+import Foundation
+import Flutter
+
+public class PullToRefreshControl : UIRefreshControl, FlutterPlugin {
+    
+    var channel: FlutterMethodChannel?
+    var options: PullToRefreshOptions?
+    var shouldCallOnRefresh = false
+    var delegate: PullToRefreshDelegate?
+    
+    public init(channel: FlutterMethodChannel?, options: PullToRefreshOptions?) {
+        super.init()
+        self.channel = channel
+        self.options = options
+    }
+    
+    required init?(coder: NSCoder) {
+        super.init(coder: coder)
+    }
+    
+    public static func register(with registrar: FlutterPluginRegistrar) {
+        
+    }
+    
+    public func prepare() {
+        self.channel?.setMethodCallHandler(self.handle)
+        if let options = options {
+            if options.enabled {
+                delegate?.enablePullToRefresh()
+            }
+            if let color = options.color, !color.isEmpty {
+                tintColor = UIColor(hexString: color)
+            }
+            if let backgroundTintColor = options.backgroundColor, !backgroundTintColor.isEmpty {
+                backgroundColor = UIColor(hexString: backgroundTintColor)
+            }
+            if let attributedTitleMap = options.attributedTitle {
+                attributedTitle = NSAttributedString.fromMap(map: attributedTitleMap)
+            }
+        }
+        addTarget(self, action: #selector(updateShouldCallOnRefresh), for: .valueChanged)
+    }
+    
+    public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
+        let arguments = call.arguments as? NSDictionary
+        
+        switch call.method {
+        case "setEnabled":
+            let enabled = arguments!["enabled"] as! Bool
+            if enabled {
+                delegate?.enablePullToRefresh()
+            } else {
+                delegate?.disablePullToRefresh()
+            }
+            result(true)
+            break
+        case "setRefreshing":
+            let refreshing = arguments!["refreshing"] as! Bool
+            if refreshing {
+                self.beginRefreshing()
+            } else {
+                self.endRefreshing()
+            }
+            result(true)
+            break
+        case "setColor":
+            let color = arguments!["color"] as! String
+            tintColor = UIColor(hexString: color)
+            result(true)
+            break
+        case "setBackgroundColor":
+            let color = arguments!["color"] as! String
+            backgroundColor = UIColor(hexString: color)
+            result(true)
+            break
+        case "setAttributedTitle":
+            let attributedTitleMap = arguments!["attributedTitle"] as! [String: Any?]
+            attributedTitle = NSAttributedString.fromMap(map: attributedTitleMap)
+            result(true)
+            break
+        default:
+            result(FlutterMethodNotImplemented)
+            break
+        }
+    }
+    
+    public func onRefresh() {
+        shouldCallOnRefresh = false
+        let arguments: [String: Any?] = [:]
+        self.channel?.invokeMethod("onRefresh", arguments: arguments)
+    }
+    
+    @objc public func updateShouldCallOnRefresh() {
+        shouldCallOnRefresh = true
+    }
+    
+    public func dispose() {
+        channel?.setMethodCallHandler(nil)
+        removeTarget(self, action: #selector(updateShouldCallOnRefresh), for: .valueChanged)
+        delegate = nil
+    }
+    
+    deinit {
+        print("PullToRefreshControl - dealloc")
+    }
+}

ios/Classes/PullToRefresh/PullToRefreshDelegate.swift

@@ -0,0 +1,13 @@
+//
+//  PullToRefreshDelegate.swift
+//  flutter_inappwebview
+//
+//  Created by Lorenzo Pichilli on 04/03/21.
+//
+
+import Foundation
+
+public protocol PullToRefreshDelegate {
+    func enablePullToRefresh()
+    func disablePullToRefresh()
+}

ios/Classes/PullToRefresh/PullToRefreshOptions.swift

@@ -0,0 +1,33 @@
+//
+//  PullToRefreshOptions.swift
+//  flutter_inappwebview
+//
+//  Created by Lorenzo Pichilli on 03/03/21.
+//
+
+import Foundation
+
+public class PullToRefreshOptions : Options<PullToRefreshControl> {
+    
+    var enabled = true
+    var color: String?
+    var backgroundColor: String?
+    var attributedTitle: [String: Any?]?
+    
+    override init(){
+        super.init()
+    }
+    
+    override func parse(options: [String: Any?]) -> PullToRefreshOptions {
+        let _ = super.parse(options: options)
+        if let attributedTitle = options["attributedTitle"] as? [String: Any?] {
+            self.attributedTitle = attributedTitle
+        }
+        return self
+    }
+    
+    override func getRealOptions(obj: PullToRefreshControl?) -> [String: Any?] {
+        let realOptions: [String: Any?] = toMap()
+        return realOptions
+    }
+}

ios/Classes/Types/NSAttributedString.swift

@@ -0,0 +1,63 @@
+//
+//  NSAttributedString.swift
+//  flutter_inappwebview
+//
+//  Created by Lorenzo Pichilli on 05/03/21.
+//
+
+import Foundation
+
+extension NSAttributedString {
+    public static func fromMap(map: [String:Any?]?) -> NSAttributedString? {
+        guard let map = map, let string = map["string"] as? String else {
+            return nil
+        }
+        
+        var attributes: [NSAttributedString.Key : Any] = [:]
+        
+        if let backgroundColor = map["backgroundColor"] as? String {
+            attributes[.backgroundColor] = UIColor(hexString: backgroundColor)
+        }
+        if let baselineOffset = map["baselineOffset"] as? Double {
+            attributes[.baselineOffset] = baselineOffset
+        }
+        if let expansion = map["expansion"] as? Double {
+            attributes[.expansion] = expansion
+        }
+        if let foregroundColor = map["foregroundColor"] as? String {
+            attributes[.foregroundColor] = UIColor(hexString: foregroundColor)
+        }
+        if let kern = map["kern"] as? Double {
+            attributes[.kern] = kern
+        }
+        if let ligature = map["ligature"] as? Int64 {
+            attributes[.ligature] = ligature
+        }
+        if let obliqueness = map["obliqueness"] as? Double {
+            attributes[.obliqueness] = obliqueness
+        }
+        if let strikethroughColor = map["strikethroughColor"] as? String {
+            attributes[.strikethroughColor] = UIColor(hexString: strikethroughColor)
+        }
+        if let strikethroughStyle = map["strikethroughStyle"] as? Int64 {
+            attributes[.strikethroughStyle] = strikethroughStyle
+        }
+        if let strokeColor = map["strokeColor"] as? String {
+            attributes[.strokeColor] = UIColor(hexString: strokeColor)
+        }
+        if let strokeWidth = map["strokeWidth"] as? Double {
+            attributes[.strokeWidth] = strokeWidth
+        }
+        if let textEffect = map["textEffect"] as? String {
+            attributes[.textEffect] = textEffect
+        }
+        if let underlineColor = map["underlineColor"] as? String {
+            attributes[.underlineColor] = UIColor(hexString: underlineColor)
+        }
+        if let underlineStyle = map["underlineStyle"] as? Int64 {
+            attributes[.underlineStyle] = underlineStyle
+        }
+        
+        return NSAttributedString(string: string, attributes: attributes)
+    }
+}

lib/src/in_app_browser/in_app_browser.dart

@@ -3,6 +3,7 @@ import 'dart:collection';
 import 'dart:typed_data';
 
 import 'package:flutter/services.dart';
+import 'package:flutter_inappwebview/flutter_inappwebview.dart';
 import 'package:flutter_inappwebview/src/util.dart';
 
 import '../context_menu.dart';
@@ -40,14 +41,17 @@ class InAppBrowserNotOpenedException implements Exception {
 ///This class uses the native WebView of the platform.
 ///The [webViewController] field can be used to access the [InAppWebViewController] API.
 class InAppBrowser {
-  ///Browser's UUID.
+  ///View ID.
-  late String id;
+  late final String id;
 
   ///Context menu used by the browser. It should be set before opening the browser.
   ContextMenu? contextMenu;
 
+  ///Represents the pull-to-refresh feature controller.
+  PullToRefreshController? pullToRefreshController;
+
   ///Initial list of user scripts to be loaded at start or end of a page loading.
-  UnmodifiableListView<UserScript>? initialUserScripts;
+  final UnmodifiableListView<UserScript>? initialUserScripts;
 
   bool _isOpened = false;
   late MethodChannel _channel;
@@ -68,13 +72,14 @@ class InAppBrowser {
     this._channel.setMethodCallHandler(handleMethod);
     _isOpened = false;
     webViewController = new InAppWebViewController.fromInAppBrowser(
-        id, this._channel, this, this.initialUserScripts);
+        this._channel, this, this.initialUserScripts);
   }
 
   Future<dynamic> handleMethod(MethodCall call) async {
     switch (call.method) {
       case "onBrowserCreated":
         this._isOpened = true;
+        this.pullToRefreshController?.initMethodChannel(id);
         onBrowserCreated();
         break;
       case "onExit":
@@ -106,7 +111,8 @@ class InAppBrowser {
     args.putIfAbsent('windowId', () => windowId);
     args.putIfAbsent('initialUserScripts',
         () => initialUserScripts?.map((e) => e.toMap()).toList() ?? []);
-    await _sharedChannel.invokeMethod('openUrlRequest', args);
+    args.putIfAbsent('pullToRefreshOptions', () => pullToRefreshController?.options.toMap() ?? PullToRefreshOptions(enabled: false).toMap());
+    await _sharedChannel.invokeMethod('open', args);
   }
 
   ///Opens the given [assetFilePath] file in a new [InAppBrowser] instance.
@@ -159,7 +165,8 @@ class InAppBrowser {
     args.putIfAbsent('windowId', () => windowId);
     args.putIfAbsent('initialUserScripts',
         () => initialUserScripts?.map((e) => e.toMap()).toList() ?? []);
-    await _sharedChannel.invokeMethod('openFile', args);
+    args.putIfAbsent('pullToRefreshOptions', () => pullToRefreshController?.options.toMap() ?? PullToRefreshOptions(enabled: false).toMap());
+    await _sharedChannel.invokeMethod('open', args);
   }
 
   ///Opens a new [InAppBrowser] instance with [data] as a content, using [baseUrl] as the base URL for it.
@@ -194,7 +201,8 @@ class InAppBrowser {
     args.putIfAbsent('windowId', () => windowId);
     args.putIfAbsent('initialUserScripts',
         () => initialUserScripts?.map((e) => e.toMap()).toList() ?? []);
-    await _sharedChannel.invokeMethod('openData', args);
+    args.putIfAbsent('pullToRefreshOptions', () => pullToRefreshController?.options.toMap() ?? PullToRefreshOptions(enabled: false).toMap());
+    await _sharedChannel.invokeMethod('open', args);
   }
 
   ///This is a static method that opens an [url] in the system browser. You wont be able to use the [InAppBrowser] methods here!

lib/src/in_app_webview/headless_in_app_webview.dart

@@ -9,13 +9,17 @@ import '../types.dart';
 import 'webview.dart';
 import 'in_app_webview_controller.dart';
 import 'in_app_webview_options.dart';
+import '../pull_to_refresh/pull_to_refresh_controller.dart';
+import '../pull_to_refresh/pull_to_refresh_options.dart';
 
 ///Class that represents a WebView in headless mode.
 ///It can be used to run a WebView in background without attaching an `InAppWebView` to the widget tree.
 ///
 ///Remember to dispose it when you don't need it anymore.
 class HeadlessInAppWebView implements WebView {
-  late String id;
+  ///View ID.
+  late final String id;
+
   bool _isDisposed = true;
   static const MethodChannel _sharedChannel =
       const MethodChannel('com.pichillilorenzo/flutter_headless_inappwebview');
@@ -85,7 +89,8 @@ class HeadlessInAppWebView implements WebView {
       this.initialData,
       this.initialOptions,
       this.contextMenu,
-      this.initialUserScripts}) {
+      this.initialUserScripts,
+      this.pullToRefreshController}) {
     id = ViewIdGenerator.generateId();
     webViewController = new InAppWebViewController(id, this);
   }
@@ -93,6 +98,7 @@ class HeadlessInAppWebView implements WebView {
   Future<dynamic> handleMethod(MethodCall call) async {
     switch (call.method) {
       case "onHeadlessWebViewCreated":
+        pullToRefreshController?.initMethodChannel(id);
         if (onWebViewCreated != null) {
           onWebViewCreated!(webViewController);
         }
@@ -123,6 +129,7 @@ class HeadlessInAppWebView implements WebView {
               'windowId': this.windowId,
               'initialUserScripts':
                   this.initialUserScripts?.map((e) => e.toMap()).toList() ?? [],
+              'pullToRefreshOptions': this.pullToRefreshController?.options.toMap() ?? PullToRefreshOptions(enabled: false).toMap()
             });
     await _sharedChannel.invokeMethod('createHeadlessWebView', args);
   }
@@ -177,6 +184,9 @@ class HeadlessInAppWebView implements WebView {
   @override
   final UnmodifiableListView<UserScript>? initialUserScripts;
 
+  @override
+  final PullToRefreshController? pullToRefreshController;
+
   @override
   final void Function(InAppWebViewController controller, Uri? url)?
       onPageCommitVisible;

lib/src/in_app_webview/in_app_webview.dart

@@ -8,6 +8,7 @@ import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter/gestures.dart';
+import 'package:flutter_inappwebview/flutter_inappwebview.dart';
 
 import '../context_menu.dart';
 import '../types.dart';
@@ -15,6 +16,7 @@ import '../types.dart';
 import 'webview.dart';
 import 'in_app_webview_controller.dart';
 import 'in_app_webview_options.dart';
+import '../pull_to_refresh/pull_to_refresh_controller.dart';
 
 ///Flutter Widget for adding an **inline native WebView** integrated in the flutter widget tree.
 class InAppWebView extends StatefulWidget implements WebView {
@@ -38,6 +40,7 @@ class InAppWebView extends StatefulWidget implements WebView {
     this.initialData,
     this.initialOptions,
     this.initialUserScripts,
+    this.pullToRefreshController,
     this.contextMenu,
     this.onWebViewCreated,
     this.onLoadStart,
@@ -133,6 +136,9 @@ class InAppWebView extends StatefulWidget implements WebView {
   @override
   final UnmodifiableListView<UserScript>? initialUserScripts;
 
+  @override
+  final PullToRefreshController? pullToRefreshController;
+
   @override
   final ContextMenu? contextMenu;
 
@@ -379,6 +385,7 @@ class _InAppWebViewState extends State<InAppWebView> {
                 'initialUserScripts':
                     widget.initialUserScripts?.map((e) => e.toMap()).toList() ??
                         [],
+                'pullToRefreshOptions': widget.pullToRefreshController?.options.toMap() ?? PullToRefreshOptions(enabled: false).toMap()
               },
               creationParamsCodec: const StandardMessageCodec(),
             )
@@ -405,6 +412,7 @@ class _InAppWebViewState extends State<InAppWebView> {
             'windowId': widget.windowId,
             'initialUserScripts':
                 widget.initialUserScripts?.map((e) => e.toMap()).toList() ?? [],
+            'pullToRefreshOptions': widget.pullToRefreshController?.options.toMap() ?? PullToRefreshOptions(enabled: false).toMap()
           },
           creationParamsCodec: const StandardMessageCodec(),
         );
@@ -425,6 +433,7 @@ class _InAppWebViewState extends State<InAppWebView> {
           'windowId': widget.windowId,
           'initialUserScripts':
               widget.initialUserScripts?.map((e) => e.toMap()).toList() ?? [],
+          'pullToRefreshOptions': widget.pullToRefreshController?.options.toMap() ?? PullToRefreshOptions(enabled: false).toMap()
         },
         creationParamsCodec: const StandardMessageCodec(),
       );
@@ -445,6 +454,7 @@ class _InAppWebViewState extends State<InAppWebView> {
 
   void _onPlatformViewCreated(int id) {
     _controller = InAppWebViewController(id, widget);
+    widget.pullToRefreshController?.initMethodChannel(id);
     if (widget.onWebViewCreated != null) {
       widget.onWebViewCreated!(_controller);
     }

lib/src/in_app_webview/in_app_webview_controller.dart

@@ -52,15 +52,9 @@ class InAppWebViewController {
       HashMap<String, JavaScriptHandlerCallback>();
   List<UserScript> _userScripts = [];
 
-  // ignore: unused_field
-  bool _isOpened = false;
-
   // ignore: unused_field
   dynamic _id;
 
-  // ignore: unused_field
-  String? _inAppBrowserUuid;
-
   InAppBrowser? _inAppBrowser;
 
   ///Android controller that contains only android-specific methods
@@ -84,11 +78,9 @@ class InAppWebViewController {
   }
 
   InAppWebViewController.fromInAppBrowser(
-      String uuid,
       MethodChannel channel,
       InAppBrowser inAppBrowser,
       UnmodifiableListView<UserScript>? initialUserScripts) {
-    this._inAppBrowserUuid = uuid;
     this._channel = channel;
     this._inAppBrowser = inAppBrowser;
     this._userScripts =

lib/src/in_app_webview/ios/in_app_webview_options.dart

@@ -157,7 +157,7 @@ class IOSInAppWebViewOptions
   ///Set to `true` to enable Apple Pay API for the [WebView] at its first page load or on the next page load (using [InAppWebViewController.setOptions]). The default value is `false`.
   ///
   ///**IMPORTANT NOTE**: As written in the official [Safari 13 Release Notes](https://developer.apple.com/documentation/safari-release-notes/safari-13-release-notes#Payment-Request-API),
-  ///it won't work if any script injection APIs is used (such as [InAppWebViewController.evaluateJavascript] or [UserScript]).
+  ///it won't work if any script injection APIs are used (such as [InAppWebViewController.evaluateJavascript] or [UserScript]).
   ///So, when this attribute is `true`, all the methods, options, and events implemented using JavaScript won't be called or won't do anything and the result will always be `null`.
   ///
   ///Methods affected:

lib/src/in_app_webview/main.dart

@@ -3,5 +3,6 @@ export 'in_app_webview.dart';
 export 'in_app_webview_controller.dart';
 export 'in_app_webview_options.dart';
 export 'headless_in_app_webview.dart';
+export '../pull_to_refresh/pull_to_refresh_controller.dart';
 export 'android/main.dart';
 export 'ios/main.dart';

lib/src/in_app_webview/webview.dart

@@ -1,6 +1,8 @@
 import 'dart:collection';
 import 'dart:typed_data';
 
+import '../pull_to_refresh/pull_to_refresh_controller.dart';
+
 import '../context_menu.dart';
 import '../types.dart';
 
@@ -642,6 +644,9 @@ abstract class WebView {
   ///This is a limitation of the native iOS WebKit APIs.
   final UnmodifiableListView<UserScript>? initialUserScripts;
 
+  ///Represents the pull-to-refresh feature controller.
+  final PullToRefreshController? pullToRefreshController;
+
   WebView(
       {this.windowId,
       this.onWebViewCreated,
@@ -701,5 +706,6 @@ abstract class WebView {
       this.initialData,
       this.initialOptions,
       this.contextMenu,
-      this.initialUserScripts});
+      this.initialUserScripts,
+      this.pullToRefreshController});
 }

lib/src/main.dart

@@ -14,3 +14,4 @@ export 'in_app_localhost_server.dart';
 export 'content_blocker.dart';
 export 'http_auth_credentials_database.dart';
 export 'context_menu.dart';
+export 'pull_to_refresh/main.dart';

lib/src/pull_to_refresh/main.dart

@@ -0,0 +1,2 @@
+export 'pull_to_refresh_controller.dart';
+export 'pull_to_refresh_options.dart';

lib/src/pull_to_refresh/pull_to_refresh_controller.dart

@@ -0,0 +1,130 @@
+import 'dart:ui';
+
+import 'package:flutter/services.dart';
+import '../in_app_webview/webview.dart';
+import '../in_app_browser/in_app_browser.dart';
+import '../util.dart';
+import '../types.dart';
+import 'pull_to_refresh_options.dart';
+
+///A standard controller that can initiate the refreshing of a scroll view’s contents.
+///This should be used whenever the user can refresh the contents of a WebView via a vertical swipe gesture.
+///
+///All the methods should be called only when the WebView has been created or is already running
+///(for example [WebView.onWebViewCreated] or [InAppBrowser.onBrowserCreated]).
+class PullToRefreshController {
+  late PullToRefreshOptions options;
+  MethodChannel? _channel;
+
+  ///Event called when a swipe gesture triggers a refresh.
+  final void Function()? onRefresh;
+
+  PullToRefreshController({PullToRefreshOptions? options, this.onRefresh}) {
+    this.options = options ?? PullToRefreshOptions();
+  }
+
+  Future<dynamic> handleMethod(MethodCall call) async {
+    switch (call.method) {
+      case "onRefresh":
+        if (onRefresh != null)
+          onRefresh!();
+        break;
+      default:
+        throw UnimplementedError("Unimplemented ${call.method} method");
+    }
+    return null;
+  }
+
+  ///Sets whether the pull-to-refresh feature is enabled or not.
+  Future<void> setEnabled(bool enabled) async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    args.putIfAbsent('enabled', () => enabled);
+    await _channel?.invokeMethod('setEnabled', args);
+  }
+
+  Future<void> _setRefreshing(bool refreshing) async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    args.putIfAbsent('refreshing', () => refreshing);
+    await _channel?.invokeMethod('setRefreshing', args);
+  }
+
+  ///Tells the controller that a refresh operation was started programmatically.
+  ///
+  ///Call this method when an external event source triggers a programmatic refresh of your scrolling view.
+  ///This method updates the state of the refresh control to reflect the in-progress refresh operation.
+  ///When the refresh operation ends, be sure to call the [endRefreshing] method to return the controller to its default state.
+  Future<void> beginRefreshing() async {
+    return await _setRefreshing(true);
+  }
+
+  ///Tells the controller that a refresh operation has ended.
+  ///
+  ///Call this method at the end of any refresh operation (whether it was initiated programmatically or by the user)
+  ///to return the refresh control to its default state.
+  ///If the refresh control is at least partially visible, calling this method also hides it.
+  ///If animations are also enabled, the control is hidden using an animation.
+  Future<void> endRefreshing() async {
+    await _setRefreshing(false);
+  }
+
+  ///Returns whether a refresh operation has been triggered and is in progress.
+  Future<bool> isRefreshing() async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    return await _channel?.invokeMethod('isRefreshing', args);
+  }
+
+  ///Sets the color of the refresh control.
+  Future<void> setColor(Color color) async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    args.putIfAbsent('color', () => color.toHex());
+    await _channel?.invokeMethod('setColor', args);
+  }
+
+  ///Sets the background color of the refresh control.
+  Future<void> setBackgroundColor(Color color) async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    args.putIfAbsent('color', () => color.toHex());
+    await _channel?.invokeMethod('setBackgroundColor', args);
+  }
+
+  ///Set the distance to trigger a sync in dips.
+  ///
+  ///**NOTE**: Available only on Android.
+  Future<void> setDistanceToTriggerSync(int distanceToTriggerSync) async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    args.putIfAbsent('distanceToTriggerSync', () => distanceToTriggerSync);
+    await _channel?.invokeMethod('setDistanceToTriggerSync', args);
+  }
+
+  ///Sets the distance that the refresh indicator can be pulled beyond its resting position during a swipe gesture.
+  ///
+  ///**NOTE**: Available only on Android.
+  Future<void> setSlingshotDistance(int slingshotDistance) async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    args.putIfAbsent('slingshotDistance', () => slingshotDistance);
+    await _channel?.invokeMethod('setSlingshotDistance', args);
+  }
+
+  ///Gets the default distance that the refresh indicator can be pulled beyond its resting position during a swipe gesture.
+  ///
+  ///**NOTE**: Available only on Android.
+  Future<int> getDefaultSlingshotDistance() async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    return await _channel?.invokeMethod('getDefaultSlingshotDistance', args);
+  }
+
+  ///Sets the styled title text to display in the refresh control.
+  ///
+  ///**NOTE**: Available only on iOS.
+  Future<void> setAttributedTitle(IOSNSAttributedString attributedTitle) async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    args.putIfAbsent('attributedTitle', () => attributedTitle.toMap());
+    await _channel?.invokeMethod('setAttributedTitle', args);
+  }
+
+  void initMethodChannel(dynamic id) {
+    this._channel =
+        MethodChannel('com.pichillilorenzo/flutter_inappwebview_pull_to_refresh_$id');
+    this._channel?.setMethodCallHandler(handleMethod);
+  }
+}

lib/src/pull_to_refresh/pull_to_refresh_options.dart

@@ -0,0 +1,58 @@
+import 'dart:ui';
+import '../util.dart';
+import '../types.dart';
+
+class PullToRefreshOptions {
+  ///Sets whether the pull-to-refresh feature is enabled or not.
+  bool enabled;
+
+  ///The color of the refresh control.
+  Color? color;
+
+  ///The background color of the refresh control.
+  Color? backgroundColor;
+
+  ///The distance to trigger a sync in dips.
+  ///
+  ///**NOTE**: Available only on Android.
+  int? distanceToTriggerSync;
+
+  ///The distance in pixels that the refresh indicator can be pulled beyond its resting position.
+  ///
+  ///**NOTE**: Available only on Android.
+  int? slingshotDistance;
+
+  ///The title text to display in the refresh control.
+  ///
+  ///**NOTE**: Available only on iOS.
+  IOSNSAttributedString? attributedTitle;
+
+  PullToRefreshOptions({
+    this.enabled = true,
+    this.color,
+    this.backgroundColor,
+    this.distanceToTriggerSync,
+    this.slingshotDistance,
+    this.attributedTitle
+  });
+
+  Map<String, dynamic> toMap() {
+    return {
+      "enabled": enabled,
+      "color": color?.toHex(),
+      "backgroundColor": backgroundColor?.toHex(),
+      "distanceToTriggerSync": distanceToTriggerSync,
+      "slingshotDistance": slingshotDistance,
+      "attributedTitle": attributedTitle?.toMap() ?? {}
+    };
+  }
+
+  Map<String, dynamic> toJson() {
+    return this.toMap();
+  }
+
+  @override
+  String toString() {
+    return toMap().toString();
+  }
+}

lib/src/types.dart

@@ -2,6 +2,7 @@ import 'dart:collection';
 import 'dart:io';
 import 'dart:typed_data';
 import 'dart:convert';
+import 'dart:ui';
 
 import 'package:flutter/foundation.dart';
 
@@ -13,6 +14,9 @@ import 'in_app_webview/in_app_webview_controller.dart';
 import 'http_auth_credentials_database.dart';
 import 'cookie_manager.dart';
 import 'web_storage/web_storage.dart';
+import 'pull_to_refresh/pull_to_refresh_controller.dart';
+import 'pull_to_refresh/pull_to_refresh_options.dart';
+import 'util.dart';
 
 ///This type represents a callback, added with [InAppWebViewController.addJavaScriptHandler], that listens to post messages sent from JavaScript.
 ///
@@ -6495,3 +6499,289 @@ class IOSWKWindowFeatures {
     return toMap().toString();
   }
 }
+
+///An iOS-specific class that represents a string with associated attributes
+///used by the [PullToRefreshController] and [PullToRefreshOptions] classes.
+class IOSNSAttributedString {
+  ///The characters for the new object.
+  String string;
+
+  ///The color of the background behind the text.
+  ///
+  ///The value of this attribute is a [Color] object.
+  ///Use this attribute to specify the color of the background area behind the text.
+  ///If you do not specify this attribute, no background color is drawn.
+  Color? backgroundColor;
+
+  ///The vertical offset for the position of the text.
+  ///
+  ///The value of this attribute is a number containing a floating point value indicating the character’s offset from the baseline, in points.
+  ///The default value is `0`.
+  double? baselineOffset;
+
+  ///The expansion factor of the text.
+  ///
+  ///The value of this attribute is a number containing a floating point value indicating the log of the expansion factor to be applied to glyphs.
+  ///The default value is `0`, indicating no expansion.
+  double? expansion;
+
+  ///The color of the text.
+  ///
+  ///The value of this attribute is a [Color] object.
+  ///Use this attribute to specify the color of the text during rendering.
+  ///If you do not specify this attribute, the text is rendered in black.
+  Color? foregroundColor;
+
+  ///The kerning of the text.
+  ///
+  ///The value of this attribute is a number containing a floating-point value.
+  ///This value specifies the number of points by which to adjust kern-pair characters.
+  ///Kerning prevents unwanted space from occurring between specific characters and depends on the font.
+  ///The value `0` means kerning is disabled. The default value for this attribute is `0`.
+  double? kern;
+
+  ///The ligature of the text.
+  ///
+  ///The value of this attribute is a number containing an integer.
+  ///Ligatures cause specific character combinations to be rendered using a single custom glyph that corresponds to those characters.
+  ///The value `0` indicates no ligatures. The value `1` indicates the use of the default ligatures.
+  ///The value `2` indicates the use of all ligatures.
+  ///The default value for this attribute is `1`. (Value `2` is unsupported on iOS.)
+  int? ligature;
+
+  ///The obliqueness of the text.
+  ///
+  ///The value of this attribute is a number containing a floating point value indicating skew to be applied to glyphs.
+  ///The default value is `0`, indicating no skew.
+  double? obliqueness;
+
+  ///The color of the strikethrough.
+  ///
+  ///The value of this attribute is a [Color] object. The default value is `null`, indicating same as foreground color.
+  Color? strikethroughColor;
+
+  ///The strikethrough style of the text.
+  ///
+  ///This value indicates whether the text has a line through it and corresponds to one of the constants described in [IOSNSUnderlineStyle].
+  ///The default value for this attribute is [IOSNSUnderlineStyle.STYLE_NONE].
+  IOSNSUnderlineStyle? strikethroughStyle;
+
+  ///The color of the stroke.
+  ///
+  ///The value of this parameter is a [Color] object.
+  ///If it is not defined (which is the case by default), it is assumed to be the same as the value of foregroundColor;
+  ///otherwise, it describes the outline color.
+  Color? strokeColor;
+
+  ///The width of the stroke.
+  ///
+  ///The value of this attribute is a number containing a floating-point value.
+  ///This value represents the amount to change the stroke width and is specified as a percentage of the font point size.
+  ///Specify `0` (the default) for no additional changes.
+  ///Specify positive values to change the stroke width alone.
+  ///Specify negative values to stroke and fill the text.
+  ///For example, a typical value for outlined text would be `3.0`.
+  double? strokeWidth;
+
+  ///The text effect.
+  ///
+  ///The value of this attribute is a [IOSNSAttributedStringTextEffectStyle] object.
+  ///The default value of this property is `null`, indicating no text effect.
+  IOSNSAttributedStringTextEffectStyle? textEffect;
+
+  ///The color of the underline.
+  ///
+  ///The value of this attribute is a [Color] object.
+  ///The default value is `null`, indicating same as foreground color.
+  Color? underlineColor;
+
+  ///The underline style of the text.
+  ///
+  ///This value indicates whether the text is underlined and corresponds to one of the constants described in [IOSNSUnderlineStyle].
+  ///The default value for this attribute is [IOSNSUnderlineStyle.STYLE_NONE].
+  IOSNSUnderlineStyle? underlineStyle;
+
+  IOSNSAttributedString({
+    required this.string,
+    this.backgroundColor,
+    this.baselineOffset,
+    this.expansion,
+    this.foregroundColor,
+    this.kern,
+    this.ligature,
+    this.obliqueness,
+    this.strikethroughColor,
+    this.strikethroughStyle,
+    this.strokeColor,
+    this.strokeWidth,
+    this.textEffect,
+    this.underlineColor,
+    this.underlineStyle,
+  });
+
+  Map<String, dynamic> toMap() {
+    return {
+      "string": this.string,
+      "backgroundColor": this.backgroundColor?.toHex(),
+      "baselineOffset": this.baselineOffset,
+      "expansion": this.expansion,
+      "foregroundColor": this.foregroundColor?.toHex(),
+      "kern": this.kern,
+      "ligature": this.ligature,
+      "obliqueness": this.obliqueness,
+      "strikethroughColor": this.strikethroughColor?.toHex(),
+      "strikethroughStyle": this.strikethroughStyle?.toValue(),
+      "strokeColor": this.strokeColor?.toHex(),
+      "strokeWidth": this.strokeWidth,
+      "textEffect": this.textEffect?.toValue(),
+      "underlineColor": this.underlineColor?.toHex(),
+      "underlineStyle": this.underlineStyle?.toValue(),
+    };
+  }
+
+  Map<String, dynamic> toJson() {
+    return this.toMap();
+  }
+
+  @override
+  String toString() {
+    return toMap().toString();
+  }
+}
+
+///An iOS-specific Class that represents the constants for the underline style and strikethrough style attribute keys.
+class IOSNSUnderlineStyle {
+  final int _value;
+
+  const IOSNSUnderlineStyle._internal(this._value);
+
+  static final Set<IOSNSUnderlineStyle> values = [
+    IOSNSUnderlineStyle.STYLE_NONE,
+    IOSNSUnderlineStyle.SINGLE,
+    IOSNSUnderlineStyle.THICK,
+    IOSNSUnderlineStyle.DOUBLE,
+    IOSNSUnderlineStyle.PATTERN_DOT,
+    IOSNSUnderlineStyle.PATTERN_DASH,
+    IOSNSUnderlineStyle.PATTERN_DASH_DOT,
+    IOSNSUnderlineStyle.PATTERN_DASH_DOT_DOT,
+    IOSNSUnderlineStyle.BY_WORD,
+  ].toSet();
+
+  static IOSNSUnderlineStyle? fromValue(int? value) {
+    if (value != null) {
+      try {
+        return IOSNSUnderlineStyle.values
+            .firstWhere((element) => element.toValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  int toValue() => _value;
+
+  @override
+  String toString() {
+    switch (_value) {
+      case 1:
+        return "SINGLE";
+      case 2:
+        return "THICK";
+      case 9:
+        return "DOUBLE";
+      case 256:
+        return "PATTERN_DOT";
+      case 512:
+        return "PATTERN_DASH";
+      case 768:
+        return "PATTERN_DASH_DOT";
+      case 1024:
+        return "PATTERN_DASH_DOT_DOT";
+      case 32768:
+        return "BY_WORD";
+      case 0:
+      default:
+        return "STYLE_NONE";
+    }
+  }
+
+  ///Do not draw a line.
+  static const STYLE_NONE =
+  const IOSNSUnderlineStyle._internal(0);
+
+  ///Draw a single line.
+  static const SINGLE =
+  const IOSNSUnderlineStyle._internal(1);
+
+  ///Draw a thick line.
+  static const THICK =
+  const IOSNSUnderlineStyle._internal(2);
+
+  ///Draw a double line.
+  static const DOUBLE =
+  const IOSNSUnderlineStyle._internal(9);
+
+  ///Draw a line of dots.
+  static const PATTERN_DOT =
+  const IOSNSUnderlineStyle._internal(256);
+
+  ///Draw a line of dashes.
+  static const PATTERN_DASH =
+  const IOSNSUnderlineStyle._internal(512);
+
+  ///Draw a line of alternating dashes and dots.
+  static const PATTERN_DASH_DOT =
+  const IOSNSUnderlineStyle._internal(768);
+
+  ///Draw a line of alternating dashes and two dots.
+  static const PATTERN_DASH_DOT_DOT =
+  const IOSNSUnderlineStyle._internal(1024);
+
+  ///Draw the line only beneath or through words, not whitespace.
+  static const BY_WORD =
+  const IOSNSUnderlineStyle._internal(32768);
+
+  bool operator ==(value) => value == _value;
+
+  @override
+  int get hashCode => _value.hashCode;
+}
+
+///An iOS-specific Class that represents the supported proxy types.
+class IOSNSAttributedStringTextEffectStyle {
+  final String _value;
+
+  const IOSNSAttributedStringTextEffectStyle._internal(this._value);
+
+  static final Set<IOSNSAttributedStringTextEffectStyle> values = [
+    IOSNSAttributedStringTextEffectStyle.LETTERPRESS_STYLE,
+  ].toSet();
+
+  static IOSNSAttributedStringTextEffectStyle? fromValue(String? value) {
+    if (value != null) {
+      try {
+        return IOSNSAttributedStringTextEffectStyle.values
+            .firstWhere((element) => element.toValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  String toValue() => _value;
+
+  @override
+  String toString() => _value;
+
+  ///A graphical text effect that gives glyphs the appearance of letterpress printing, which involves pressing the type into the paper.
+  static const LETTERPRESS_STYLE =
+  const IOSNSAttributedStringTextEffectStyle._internal(
+      "letterpressStyle");
+
+  bool operator ==(value) => value == _value;
+
+  @override
+  int get hashCode => _value.hashCode;
+}

pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_inappwebview
 description: A Flutter plugin that allows you to add an inline webview, to use an headless webview, and to open an in-app browser window.
-version: 5.0.5+3
+version: 5.1.0
 homepage: https://github.com/pichillilorenzo/flutter_inappwebview
 
 environment: