Added onPermissionRequest event (available only on Android), new plug…

…in version 2.0.1

lib/src/in_app_browser.dart

@@ -420,7 +420,7 @@ class InAppBrowser {
 
   }
 
-  ///Event fired when the webview notifies that a loading URL has been flagged by Safe Browsing.
+  ///Event fired when the WebView notifies that a loading URL has been flagged by Safe Browsing.
   ///The default behavior is to show an interstitial to the user, with the reporting checkbox visible.
   ///
   ///[url] represents the url of the request.
@@ -517,7 +517,7 @@ class InAppBrowser {
 
   }
 
-  ///Event fired when the navigation state of the [InAppWebView] changes throught the usage of
+  ///Event fired when the navigation state of the WebView changes throught the usage of
   ///javascript **[History API](https://developer.mozilla.org/en-US/docs/Web/API/History_API)** functions (`pushState()`, `replaceState()`) and `onpopstate` event.
   ///
   ///Also, the event is fired when the javascript `window.location` changes without reloading the webview (for example appending or modifying an hash to the url).
@@ -527,6 +527,17 @@ class InAppBrowser {
 
   }
 
+  ///Event fired when the WebView is requesting permission to access the specified resources and the permission currently isn't granted or denied.
+  ///
+  ///[origin] represents the origin of the web page which is trying to access the restricted resources.
+  ///
+  ///[resources] represents the array of resources the web content wants to access.
+  ///
+  ///**NOTE**: available only on Android 23+.
+  Future<PermissionRequestResponse> onPermissionRequest(String origin, List<String> resources) {
+
+  }
+
   void throwIsAlreadyOpened({String message = ''}) {
     if (this.isOpened()) {
       throw Exception(['Error: ${ (message.isEmpty) ? '' : message + ' '}The browser is already opened.']);

lib/src/in_app_webview.dart

@@ -214,7 +214,7 @@ class InAppWebView extends StatefulWidget {
   ///[url] represents the new url.
   final void Function(InAppWebViewController controller, String url) onNavigationStateChange;
 
-  ///Event fired when the webview is requesting permission to access the specified resources and the permission currently isn't granted or denied.
+  ///Event fired when the WebView is requesting permission to access the specified resources and the permission currently isn't granted or denied.
   ///
   ///[origin] represents the origin of the web page which is trying to access the restricted resources.
   ///
@@ -596,8 +596,8 @@ class InAppWebViewController {
         List<String> resources = call.arguments["resources"].cast<String>();
         if (_widget != null && _widget.onPermissionRequest != null)
           return (await _widget.onPermissionRequest(this, origin, resources))?.toMap();
-        /*else if (_inAppBrowser != null)
-          return (await  _inAppBrowser.onPermissionRequest(origin, resources))?.toMap();*/
+        else if (_inAppBrowser != null)
+          return (await  _inAppBrowser.onPermissionRequest(origin, resources))?.toMap();
         break;
       case "onCallJsHandler":
         String handlerName = call.arguments["handlerName"];