added clearHistory webview methods on Android, setContextMenu and clearFocus webview methods, added ContextMenuOptions class

CHANGELOG.md

@@ -3,12 +3,14 @@
 - Updated API docs
 - Updated Android context menu workaround
 - Calling `onCreateContextMenu` event on iOS also when the context menu is disabled in order to have the same effect as Android
+- Added `options` attribute to `ContextMenu` class and created `ContextMenuOptions` class
 - Added Android keyboard workaround to hide the keyboard when clicking other HTML elements, losing the focus on the previous input
 - Added `onEnterFullscreen`, `onExitFullscreen` webview events [#275](https://github.com/pichillilorenzo/flutter_inappwebview/issues/275)
 - Added Android support to use camera on HTML inputs that requires it, such as `<input type="file" accept="image/*" capture>` [#353](https://github.com/pichillilorenzo/flutter_inappwebview/issues/353)
 - Added `overScrollMode`, `networkAvailable`, `scrollBarStyle`, `verticalScrollbarPosition`, `scrollBarDefaultDelayBeforeFade`, `scrollbarFadingEnabled`, `scrollBarFadeDuration`, `rendererPriorityPolicy`, `useShouldInterceptRequest`, `useOnRenderProcessGone` webview options on Android
-- Added `pageDown`, `pageUp`, `saveWebArchive`, `zoomIn`, `zoomOut` webview methods on Android
+- Added `pageDown`, `pageUp`, `saveWebArchive`, `zoomIn`, `zoomOut`, `clearHistory` webview methods on Android
 - Added `getCurrentWebViewPackage` static webview method on Android
+- Added `setContextMenu`, `clearFocus` methods to webview controller
 - Added `onPageCommitVisible` webview event
 - Added `androidShouldInterceptRequest`, `androidOnRenderProcessUnresponsive`, `androidOnRenderProcessResponsive`, `androidOnRenderProcessGone`, `androidOnFormResubmission`, `androidOnScaleChanged` Android events
 - Added `toString()` method to various classes in order to have a better output instead of simply `Instance of ...`
@@ -23,6 +25,7 @@
 
 - Android `clearClientCertPreferences`, `getSafeBrowsingPrivacyPolicyUrl`, `setSafeBrowsingWhitelist` webview methods are static now
 - Removed iOS event `onDidCommit`; it has been renamed to `onPageCommitVisible` and made cross-platform
+- `contextMenu` is `final` now
 
 ## 3.2.0
 

README.md

@@ -400,6 +400,8 @@ Screenshots:
 * `getScale`: Gets the current scale of this WebView.
 * `getSelectedText`: Gets the selected text.
 * `getHitTestResult`: Gets the hit result for hitting an HTML elements.
+* `clearFocus`: Clears the current focus. It will clear also, for example, the current text selection.
+* `setContextMenu(ContextMenu contextMenu)`: Sets or updates the WebView context menu to be used next time it will appear.
 * `static getDefaultUserAgent`: Gets the default user agent.
 
 ##### `InAppWebViewController` Android-specific methods
@@ -416,6 +418,7 @@ Android-specific methods can be called using the `InAppWebViewController.android
 * `saveWebArchive({@required String basename, @required bool autoname})`: Saves the current view as a web archive.
 * `zoomIn`: Performs zoom in in this WebView.
 * `zoomOut`: Performs zoom out in this WebView.
+* `clearHistory`: Clears the internal back/forward list.
 * `static clearClientCertPreferences`: Clears the client certificate preferences stored in response to proceeding/cancelling client cert requests.
 * `static getSafeBrowsingPrivacyPolicyUrl`: Returns a URL pointing to the privacy policy for Safe Browsing reporting. This value will never be `null`.
 * `static setSafeBrowsingWhitelist({@required List<String> hosts})`: Sets the list of hosts (domain names/IP addresses) that are exempt from SafeBrowsing checks. The list is global for all the WebViews.
@@ -665,6 +668,11 @@ class _MyAppState extends State<MyApp> {
     super.initState();
 
     contextMenu = ContextMenu(
+        menuItems: [
+          ContextMenuItem(androidId: 1, iosId: "1", title: "Special", action: () async {
+            print("Menu item Special clicked!");
+          })
+        ],
         onCreateContextMenu: (hitTestResult) async {
           print("onCreateContextMenu");
           print(hitTestResult.extra);
@@ -679,12 +687,6 @@ class _MyAppState extends State<MyApp> {
         }
     );
 
-    contextMenu.menuItems = [
-      ContextMenuItem(androidId: 1, iosId: "1", title: "Special", action: () async {
-        print("Menu item Special clicked!");
-      })
-    ];
-
   }
 
   @override
@@ -782,6 +784,10 @@ class _MyAppState extends State<MyApp> {
 }
 ```
 
+### `ContextMenu` options
+
+* `hideDefaultSystemContextMenuItems`: Whether all the default system context menu items should be hidden or not. The default value is `false`.
+
 ### `ContextMenu` Events
 
 * `onCreateContextMenu`: Event fired when the context menu for this WebView is being built.
@@ -1182,7 +1188,7 @@ class _MyAppState extends State<MyApp> {
                     url: "https://flutter.dev/",
                     options: ChromeSafariBrowserClassOptions(
                         android: AndroidChromeCustomTabsOptions(addDefaultShareMenuItem: false),
-                        ios: IosSafariOptions(barCollapsingEnabled: true)));
+                        ios: IOSSafariOptions(barCollapsingEnabled: true)));
               },
               child: Text("Open Chrome Safari Browser")),
         ),
@@ -1190,7 +1196,6 @@ class _MyAppState extends State<MyApp> {
     );
   }
 }
-
 ```
 
 Screenshots:

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

@@ -365,6 +365,17 @@ public class InAppBrowserActivity extends AppCompatActivity implements MethodCha
       case "zoomOut":
         result.success(zoomOut());
         break;
+      case "clearFocus":
+        clearFocus();
+        result.success(true);
+        break;
+      case "setContextMenu":
+        {
+          Map<String, Object> contextMenu = (Map<String, Object>) call.argument("contextMenu");
+          setContextMenu(contextMenu);
+        }
+        result.success(true);
+        break;
       default:
         result.notImplemented();
     }
@@ -909,6 +920,16 @@ public class InAppBrowserActivity extends AppCompatActivity implements MethodCha
     return false;
   }
 
+  public void clearFocus() {
+    if (webView != null)
+      webView.clearFocus();
+  }
+
+  public void setContextMenu(Map<String, Object> contextMenu) {
+    if (webView != null)
+      webView.contextMenu = contextMenu;
+  }
+
   public void dispose() {
     channel.setMethodCallHandler(null);
     activityResultListeners.clear();

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

@@ -30,10 +30,10 @@ public class InAppBrowserOptions implements Options<InAppBrowserActivity> {
 
       switch (key) {
         case "hidden":
-          hidden = (boolean) value;
+          hidden = (Boolean) value;
           break;
         case "toolbarTop":
-          toolbarTop = (boolean) value;
+          toolbarTop = (Boolean) value;
           break;
         case "toolbarTopBackgroundColor":
           toolbarTopBackgroundColor = (String) value;
@@ -42,16 +42,16 @@ public class InAppBrowserOptions implements Options<InAppBrowserActivity> {
           toolbarTopFixedTitle = (String) value;
           break;
         case "hideUrlBar":
-          hideUrlBar = (boolean) value;
+          hideUrlBar = (Boolean) value;
           break;
         case "hideTitleBar":
-          hideTitleBar = (boolean) value;
+          hideTitleBar = (Boolean) value;
           break;
         case "closeOnCannotGoBack":
-          closeOnCannotGoBack = (boolean) value;
+          closeOnCannotGoBack = (Boolean) value;
           break;
         case "progressBar":
-          progressBar = (boolean) value;
+          progressBar = (Boolean) value;
           break;
       }
     }

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

@@ -0,0 +1,43 @@
+package com.pichillilorenzo.flutter_inappwebview.InAppWebView;
+
+import com.pichillilorenzo.flutter_inappwebview.Options;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class ContextMenuOptions implements Options<Object> {
+  public static final String LOG_TAG = "ContextMenuOptions";
+
+  public Boolean hideDefaultSystemContextMenuItems = false;
+
+  public ContextMenuOptions 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 "hideDefaultSystemContextMenuItems":
+          hideDefaultSystemContextMenuItems = (Boolean) value;
+          break;
+      }
+    }
+
+    return this;
+  }
+
+  public Map<String, Object> toMap() {
+    Map<String, Object> options = new HashMap<>();
+    options.put("hideDefaultSystemContextMenuItems", hideDefaultSystemContextMenuItems);
+    return options;
+  }
+
+  @Override
+  public Map<String, Object> getRealOptions(Object webView) {
+    Map<String, Object> realOptions = toMap();
+    return realOptions;
+  }
+
+}

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

@@ -52,8 +52,8 @@ public class FlutterWebView implements PlatformView, MethodCallHandler  {
     final String initialFile = (String) params.get("initialFile");
     final Map<String, String> initialData = (Map<String, String>) params.get("initialData");
     final Map<String, String> initialHeaders = (Map<String, String>) params.get("initialHeaders");
-    HashMap<String, Object> initialOptions = (HashMap<String, Object>) params.get("initialOptions");
+    Map<String, Object> initialOptions = (Map<String, Object>) params.get("initialOptions");
-    HashMap<String, Object> contextMenu = (HashMap<String, Object>) params.get("contextMenu");
+    Map<String, Object> contextMenu = (Map<String, Object>) params.get("contextMenu");
 
     InAppWebViewOptions options = new InAppWebViewOptions();
     options.parse(initialOptions);
@@ -440,6 +440,23 @@ public class FlutterWebView implements PlatformView, MethodCallHandler  {
           result.success(false);
         }
         break;
+      case "clearFocus":
+        if (webView != null) {
+          webView.clearFocus();
+          result.success(true);
+        } else {
+          result.success(false);
+        }
+        break;
+      case "setContextMenu":
+        if (webView != null) {
+          Map<String, Object> contextMenu = (Map<String, Object>) call.argument("contextMenu");
+          webView.contextMenu = contextMenu;
+          result.success(true);
+        } else {
+          result.success(false);
+        }
+        break;
       default:
         result.notImplemented();
     }

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

@@ -82,7 +82,7 @@ final public class InAppWebView extends InputAwareWebView {
   public Pattern regexToCancelSubFramesLoadingCompiled;
   public GestureDetector gestureDetector = null;
   public LinearLayout floatingContextMenu = null;
-  public HashMap<String, Object> contextMenu = null;
+  public Map<String, Object> contextMenu = null;
   public Handler headlessHandler = new Handler(Looper.getMainLooper());
 
   public Runnable checkScrollStoppedTask;
@@ -608,7 +608,7 @@ final public class InAppWebView extends InputAwareWebView {
     super(context, attrs, defaultStyle);
   }
 
-  public InAppWebView(Context context, Object obj, Object id, InAppWebViewOptions options, HashMap<String, Object> contextMenu, View containerView) {
+  public InAppWebView(Context context, Object obj, Object id, InAppWebViewOptions options, Map<String, Object> contextMenu, View containerView) {
     super(context, containerView);
     if (obj instanceof InAppBrowserActivity)
       this.inAppBrowserActivity = (InAppBrowserActivity) obj;
@@ -1597,6 +1597,18 @@ final public class InAppWebView extends InputAwareWebView {
     HorizontalScrollView horizontalScrollView = (HorizontalScrollView) floatingContextMenu.getChildAt(0);
     LinearLayout menuItemListLayout = (LinearLayout) horizontalScrollView.getChildAt(0);
 
+    List<Map<String, Object>> customMenuItems = new ArrayList<>();
+    ContextMenuOptions contextMenuOptions = new ContextMenuOptions();
+    if (contextMenu != null) {
+      customMenuItems = (List<Map<String, Object>>) contextMenu.get("menuItems");
+      Map<String, Object> contextMenuOptionsMap = (Map<String, Object>) contextMenu.get("options");
+     if (contextMenuOptionsMap != null) {
+       contextMenuOptions.parse(contextMenuOptionsMap);
+     }
+    }
+    customMenuItems = customMenuItems == null ? new ArrayList<Map<String, Object>>() : customMenuItems;
+
+    if (contextMenuOptions.hideDefaultSystemContextMenuItems == null || !contextMenuOptions.hideDefaultSystemContextMenuItems) {
       for (int i = 0; i < actionMenu.size(); i++) {
         final MenuItem menuItem = actionMenu.getItem(i);
         final int itemId = menuItem.getItemId();
@@ -1623,11 +1635,9 @@ final public class InAppWebView extends InputAwareWebView {
           menuItemListLayout.addView(text);
         }
       }
+    }
 
-    if (contextMenu != null) {
+    for (final Map<String, Object> menuItem : customMenuItems) {
-      List<HashMap<String, Object>> customMenuItems = (List<HashMap<String, Object>>) contextMenu.get("menuItems");
-      if (customMenuItems != null) {
-        for (final HashMap<String, Object> menuItem : customMenuItems) {
       final int itemId = (int) menuItem.get("androidId");
       final String itemTitle = (String) menuItem.get("title");
       TextView text = (TextView) LayoutInflater.from(this.getContext())
@@ -1636,7 +1646,6 @@ final public class InAppWebView extends InputAwareWebView {
       text.setOnClickListener(new OnClickListener() {
         @Override
         public void onClick(View v) {
-              // clearFocus();
           hideContextMenu();
 
           Map<String, Object> obj = new HashMap<>();
@@ -1653,8 +1662,6 @@ final public class InAppWebView extends InputAwareWebView {
 
       }
     }
-      }
-    }
 
     final int x = (lastTouch != null) ? lastTouch.x : 0;
     final int y = (lastTouch != null) ? lastTouch.y : 0;

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

@@ -3,8 +3,7 @@ package com.pichillilorenzo.flutter_inappwebview;
 import java.util.Map;
 
 public interface Options<T> {
-  static String LOG_TAG = "Options";
   public Options parse(Map<String, Object> options);
   public Map<String, Object> toMap();
-  public Map<String, Object> getRealOptions(T webView);
+  public Map<String, Object> getRealOptions(T obj);
 }

example/.flutter-plugins-dependencies

@@ -1 +1 @@
-{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"e2e","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/e2e-0.2.4+4/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-5.0.0+hotfix.6/","dependencies":[]}],"android":[{"name":"e2e","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/e2e-0.2.4+4/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-5.0.0+hotfix.6/","dependencies":[]}],"macos":[],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"e2e","dependencies":[]},{"name":"flutter_inappwebview","dependencies":[]},{"name":"permission_handler","dependencies":[]}],"date_created":"2020-05-29 19:53:44.213613","version":"1.17.1"}
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"e2e","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/e2e-0.2.4+4/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-5.0.0+hotfix.6/","dependencies":[]}],"android":[{"name":"e2e","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/e2e-0.2.4+4/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-5.0.0+hotfix.6/","dependencies":[]}],"macos":[],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"e2e","dependencies":[]},{"name":"flutter_inappwebview","dependencies":[]},{"name":"permission_handler","dependencies":[]}],"date_created":"2020-05-30 19:55:39.840707","version":"1.17.1"}

example/lib/in_app_webiew_example.screen.dart

@@ -23,6 +23,16 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
     super.initState();
 
     contextMenu = ContextMenu(
+      menuItems: [
+        ContextMenuItem(androidId: 1, iosId: "1", title: "Special", action: () async {
+          print("Menu item Special clicked!");
+          print(await webView.getSelectedText());
+          await webView.clearFocus();
+        })
+      ],
+      options: ContextMenuOptions(
+        hideDefaultSystemContextMenuItems: true
+      ),
       onCreateContextMenu: (hitTestResult) async {
         print("onCreateContextMenu");
         print(hitTestResult.extra);
@@ -31,16 +41,11 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
       onHideContextMenu: () {
         print("onHideContextMenu");
       },
-      onContextMenuActionItemClicked: (contextMenuItemClicked) {
+      onContextMenuActionItemClicked: (contextMenuItemClicked) async {
         var id = (Platform.isAndroid) ? contextMenuItemClicked.androidId : contextMenuItemClicked.iosId;
         print("onContextMenuActionItemClicked: " + id.toString() + " " + contextMenuItemClicked.title);
       }
     );
-    contextMenu.menuItems = [
-      ContextMenuItem(androidId: 1, iosId: "1", title: "Special", action: () async {
-        print("Menu item Special clicked!");
-      })
-    ];
   }
 
   @override
@@ -74,17 +79,14 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
                   BoxDecoration(border: Border.all(color: Colors.blueAccent)),
                   child: InAppWebView(
                     contextMenu: contextMenu,
-                    // initialUrl: "https://github.com/flutter",
+                    initialUrl: "https://github.com/flutter",
-                    initialFile: "assets/index.html",
+                    // initialFile: "assets/index.html",
                     initialHeaders: {},
                     initialOptions: InAppWebViewGroupOptions(
                       crossPlatform: InAppWebViewOptions(
                         debuggingEnabled: true,
                         useShouldOverrideUrlLoading: true
                       ),
-                      android: AndroidInAppWebViewOptions(
-                        supportMultipleWindows: true
-                      )
                     ),
                     onWebViewCreated: (InAppWebViewController controller) {
                       webView = controller;

ios/Classes/ContextMenuOptions.swift

@@ -0,0 +1,17 @@
+//
+//  ContextMenuOptions.swift
+//  flutter_inappwebview
+//
+//  Created by Lorenzo Pichilli on 30/05/2020.
+//
+
+import Foundation
+
+class ContextMenuOptions: Options<NSObject> {
+    
+    var hideDefaultSystemContextMenuItems = false;
+
+    override init(){
+        super.init()
+    }
+}

ios/Classes/FlutterWebViewController.swift

@@ -426,6 +426,23 @@ public class FlutterWebViewController: FlutterMethodCallDelegate, FlutterPlatfor
                     result(nil)
                 }
                 break
+            case "clearFocus":
+                if webView != nil {
+                    webView!.clearFocus()
+                    result(true)
+                } else {
+                    result(false)
+                }
+                break
+            case "setContextMenu":
+                if webView != nil {
+                    let contextMenu = arguments!["contextMenu"] as? [String: Any]
+                    webView!.contextMenu = contextMenu
+                    result(true)
+                } else {
+                    result(false)
+                }
+                break
             default:
                 result(FlutterMethodNotImplemented)
                 break

ios/Classes/InAppBrowserWebViewController.swift

@@ -308,6 +308,24 @@ public class InAppBrowserWebViewController: UIViewController, FlutterPlugin, UIS
                     result(nil)
                 }
                 break
+            case "clearFocus":
+                if webView != nil {
+                    webView!.clearFocus()
+                    result(true)
+                } else {
+                    result(false)
+                }
+                
+                break
+            case "setContextMenu":
+                if webView != nil {
+                    let contextMenu = arguments!["contextMenu"] as? [String: Any]
+                    webView!.contextMenu = contextMenu
+                    result(true)
+                } else {
+                    result(false)
+                }
+                break
             default:
                 result(FlutterMethodNotImplemented)
                 break

ios/Classes/InAppWebView.swift

@@ -905,6 +905,16 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
                 return false
             }
             
+            if let menu = contextMenu {
+                let contextMenuOptions = ContextMenuOptions()
+                if let contextMenuOptionsMap = menu["options"] as? [String: Any?] {
+                    let _ = contextMenuOptions.parse(options: contextMenuOptionsMap)
+                    if !action.description.starts(with: "onContextMenuActionItemClicked-") && contextMenuOptions.hideDefaultSystemContextMenuItems {
+                        return false
+                    }
+                }
+            }
+            
             if contextMenuIsShowing, !action.description.starts(with: "onContextMenuActionItemClicked-") {
                 let id = action.description.compactMap({ $0.asciiValue?.description }).joined()
                 let arguments: [String: Any?] = [
@@ -2729,6 +2739,10 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
         }
     }
     
+    public func clearFocus() {
+        self.scrollView.subviews.first?.resignFirstResponder()
+    }
+    
     public func dispose() {
         stopLoading()
         configuration.userContentController.removeScriptMessageHandler(forName: "consoleLog")

lib/src/context_menu.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/foundation.dart';
-import 'package:flutter_inappwebview/src/webview.dart';
 
+import 'webview.dart';
 import 'types.dart';
 
 ///Class that represents the WebView context menu. It used by [WebView.contextMenu].
@@ -22,24 +22,35 @@ class ContextMenu {
   final void Function(ContextMenuItem contextMenuItemClicked)
       onContextMenuActionItemClicked;
 
+  ///Context menu options.
+  final ContextMenuOptions options;
+
   ///List of the custom [ContextMenuItem].
-  List<ContextMenuItem> menuItems = List();
+  final List<ContextMenuItem> menuItems;
 
   ContextMenu(
-      {this.menuItems,
+      {this.menuItems = const [],
       this.onCreateContextMenu,
       this.onHideContextMenu,
-      this.onContextMenuActionItemClicked});
+      this.options,
+      this.onContextMenuActionItemClicked})
+      : assert(menuItems != null);
 
   Map<String, dynamic> toMap() {
     return {
-      "menuItems": menuItems.map((menuItem) => menuItem?.toMap()).toList()
+      "menuItems": menuItems.map((menuItem) => menuItem?.toMap()).toList(),
+      "options": options?.toMap()
     };
   }
 
   Map<String, dynamic> toJson() {
     return this.toMap();
   }
+
+  @override
+  String toString() {
+    return toMap().toString();
+  }
 }
 
 ///Class that represent an item of the [ContextMenu].
@@ -69,4 +80,32 @@ class ContextMenuItem {
   Map<String, dynamic> toJson() {
     return this.toMap();
   }
+
+  @override
+  String toString() {
+    return toMap().toString();
+  }
+}
+
+///Class that represents available options used by [ContextMenu].
+class ContextMenuOptions {
+  ///Whether all the default system context menu items should be hidden or not. The default value is `false`.
+  bool hideDefaultSystemContextMenuItems;
+
+  ContextMenuOptions({this.hideDefaultSystemContextMenuItems = false});
+
+  Map<String, dynamic> toMap() {
+    return {
+      "hideDefaultSystemContextMenuItems": hideDefaultSystemContextMenuItems
+    };
+  }
+
+  Map<String, dynamic> toJson() {
+    return this.toMap();
+  }
+
+  @override
+  String toString() {
+    return toMap().toString();
+  }
 }

lib/src/in_app_browser.dart

@@ -13,10 +13,10 @@ import 'types.dart';
 ///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
+  ///Browser's UUID.
   String uuid;
 
-  ///Context menu used by the browser
+  ///Context menu used by the browser. It should be set before opening the browser.
   ContextMenu contextMenu;
 
   Map<String, JavaScriptHandlerCallback> javaScriptHandlersMap =

lib/src/in_app_webview_controller.dart

@@ -1487,6 +1487,23 @@ class InAppWebViewController {
     return InAppWebViewHitTestResult(type: type, extra: extra);
   }
 
+  ///Clears the current focus. It will clear also, for example, the current text selection.
+  ///
+  ///**Official Android API**: https://developer.android.com/reference/android/view/ViewGroup#clearFocus()
+  ///**Official iOS API**: https://developer.apple.com/documentation/uikit/uiresponder/1621097-resignfirstresponder
+  Future<void> clearFocus() async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    return await _channel.invokeMethod('clearFocus', args);
+  }
+
+  ///Sets or updates the WebView context menu to be used next time it will appear.
+  Future<void> setContextMenu(ContextMenu contextMenu) async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    args.putIfAbsent("contextMenu", () => contextMenu?.toMap());
+    await _channel.invokeMethod('setContextMenu', args);
+    _inAppBrowser?.contextMenu = contextMenu;
+  }
+
   ///Gets the default user agent.
   ///
   ///**Official Android API**: https://developer.android.com/reference/android/webkit/WebSettings#getDefaultUserAgent(android.content.Context)
@@ -1617,6 +1634,14 @@ class AndroidInAppWebViewController {
     return await _controller._channel.invokeMethod('zoomOut', args);
   }
 
+  ///Clears the internal back/forward list.
+  ///
+  ///**Official Android API**: https://developer.android.com/reference/android/webkit/WebView#clearHistory()
+  Future<void> clearHistory() async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    return await _controller._channel.invokeMethod('clearHistory', args);
+  }
+
   ///Clears the client certificate preferences stored in response to proceeding/cancelling client cert requests.
   ///Note that WebView automatically clears these preferences when the system keychain is updated.
   ///The preferences are shared by all the WebViews that are created by the embedder application.