diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 508bddfe..1c02934b 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -15,7 +15,16 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="9b41f7a2-a71e-4923-91fb-249d7815b3e7" name="Default" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/CHANGELOG.md" beforeDir="false" afterPath="$PROJECT_DIR$/CHANGELOG.md" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/README.md" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/InAppWebView/InAppWebViewChromeClient.java" beforeDir="false" afterPath="$PROJECT_DIR$/android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/InAppWebView/InAppWebViewChromeClient.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/src/main/AndroidManifest.xml" beforeDir="false" afterPath="$PROJECT_DIR$/example/android/app/src/main/AndroidManifest.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/lib/in_app_webiew_example.screen.dart" beforeDir="false" afterPath="$PROJECT_DIR$/example/lib/in_app_webiew_example.screen.dart" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/lib/main.dart" beforeDir="false" afterPath="$PROJECT_DIR$/example/lib/main.dart" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/lib/src/in_app_webview.dart" beforeDir="false" afterPath="$PROJECT_DIR$/lib/src/in_app_webview.dart" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/lib/src/types.dart" beforeDir="false" afterPath="$PROJECT_DIR$/lib/src/types.dart" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pubspec.yaml" beforeDir="false" afterPath="$PROJECT_DIR$/pubspec.yaml" afterDir="false" />
     </list>
     <ignored path="$PROJECT_DIR$/.dart_tool/" />
     <ignored path="$PROJECT_DIR$/.idea/" />
@@ -35,13 +44,12 @@
   <component name="ExecutionTargetManager" SELECTED_TARGET="Pixel_3_XL_API_24" />
   <component name="FileEditorManager">
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
-      <file pinned="false" current-in-tab="true">
+      <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/README.md">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="204">
-              <caret line="428" column="42" lean-forward="true" selection-start-line="428" selection-start-column="42" selection-end-line="428" selection-end-column="42" />
+            <state relative-caret-position="216">
+              <caret line="450" selection-start-line="450" selection-end-line="450" />
               <folding>
-                <element signature="e#0#20#0" expanded="true" />
                 <element signature="e#0#39#0" expanded="true" />
                 <element signature="e#0#39#0" expanded="true" />
               </folding>
@@ -49,11 +57,34 @@
           </provider>
         </entry>
       </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/CHANGELOG.md">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="29">
+              <caret line="2" column="28" selection-start-line="2" selection-start-column="9" selection-end-line="2" selection-end-column="28" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/pubspec.yaml">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="30">
+              <caret line="2" column="14" selection-start-line="2" selection-start-column="14" selection-end-line="2" selection-end-column="14" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/test.sh">
+          <provider selected="true" editor-type-id="text-editor" />
+        </entry>
+      </file>
       <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/lib/src/in_app_webview.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="325">
-              <caret line="1176" column="41" selection-start-line="1176" selection-start-column="41" selection-end-line="1176" selection-end-column="41" />
+            <state relative-caret-position="137">
+              <caret line="222" column="40" selection-start-line="222" selection-start-column="15" selection-end-line="222" selection-end-column="40" />
               <folding>
                 <element signature="e#0#17#0" expanded="true" />
               </folding>
@@ -62,26 +93,17 @@
         </entry>
       </file>
       <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/example/lib/in_app_webiew_example.screen.dart">
+        <entry file="file://$PROJECT_DIR$/lib/src/types.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="-31">
-              <caret line="35" column="22" selection-start-line="35" selection-start-column="22" selection-end-line="35" selection-end-column="22" />
+            <state relative-caret-position="313">
+              <caret line="1614" column="101" selection-start-line="1614" selection-start-column="70" selection-end-line="1614" selection-end-column="101" />
               <folding>
-                <element signature="e#0#39#0" expanded="true" />
+                <element signature="e#0#20#0" expanded="true" />
               </folding>
             </state>
           </provider>
         </entry>
       </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/pubspec.yaml">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="120">
-              <caret line="8" column="36" selection-start-line="8" selection-start-column="11" selection-end-line="8" selection-end-column="36" />
-            </state>
-          </provider>
-        </entry>
-      </file>
     </leaf>
   </component>
   <component name="FileTemplateManagerImpl">
@@ -94,24 +116,9 @@
   </component>
   <component name="FindInProjectRecents">
     <findStrings>
-      <find>OnLoadHttpError</find>
-      <find>ONnaviga</find>
-      <find>InAppWebViewOnNavigationChangeTest</find>
-      <find>InAppWebViewOnReceivedHttpAuthRequestTest</find>
-      <find>.css</find>
-      <find>InAppWebViewOnSafeBrowsingHitTest</find>
-      <find>InAppWebViewHttpAuthCredentialDatabaseTest</find>
-      <find>InAppWebViewOnFindResultReceivedTest</find>
-      <find>InAppWebViewOnProgressChangedTest</find>
-      <find>nextTest</find>
-      <find>clear</find>
-      <find>InAppWebViewOnConsoleMessageTest</find>
-      <find>Change:</find>
       <find>InAppWebViewOnScrollChangedTest</find>
       <find>for Android</find>
-      <find>Event fired</find>
       <find>an re</find>
-      <find>Event fires</find>
       <find>only for Android.</find>
       <find>isOpened</find>
       <find>initialScale</find>
@@ -124,6 +131,21 @@
       <find>#####</find>
       <find>loadFile</find>
       <find>window.</find>
+      <find>onLoadHttpError</find>
+      <find>microphone</find>
+      <find>Action</find>
+      <find>Action {</find>
+      <find>Action action;</find>
+      <find>Response {</find>
+      <find>'action': this.action</find>
+      <find>: this.action</find>
+      <find>this.</find>
+      <find>onPermissionRequest</find>
+      <find>Event fired</find>
+      <find>Event fires</find>
+      <find>onSafe</find>
+      <find>Response({</find>
+      <find>onPermission</find>
     </findStrings>
     <replaceStrings>
       <replace>activity.getPreferences(0)</replace>
@@ -142,14 +164,10 @@
   <component name="IdeDocumentHistory">
     <option name="CHANGED_PATHS">
       <list>
-        <option value="$PROJECT_DIR$/tool/env.dart" />
-        <option value="$PROJECT_DIR$/nodejs_server_test_auth_basic_and_ssl/index.js" />
-        <option value="$PROJECT_DIR$/example/test_assets/in_app_webview_on_navigation_change_test.html" />
         <option value="$PROJECT_DIR$/test.sh" />
         <option value="$PROJECT_DIR$/example/test_driver/in_app_webview_on_navigation_change_test.dart" />
         <option value="$PROJECT_DIR$/example/test_assets/in_app_webview_on_navigation_state_change_test.html" />
         <option value="$PROJECT_DIR$/lib/src/content_blocker.dart" />
-        <option value="$PROJECT_DIR$/lib/src/types.dart" />
         <option value="$PROJECT_DIR$/example/test_driver/app.dart" />
         <option value="$PROJECT_DIR$/example/test_driver/util_test.dart" />
         <option value="$PROJECT_DIR$/example/test_driver/custom_widget_test.dart" />
@@ -183,15 +201,19 @@
         <option value="$PROJECT_DIR$/example/test_driver/in_app_webview_on_load_http_error_test.dart" />
         <option value="$PROJECT_DIR$/example/lib/in_app_browser_example.screen.dart" />
         <option value="$PROJECT_DIR$/example/lib/chrome_safari_browser_example.screen.dart" />
-        <option value="$PROJECT_DIR$/example/assets/index.html" />
         <option value="$PROJECT_DIR$/example/pubspec.yaml" />
         <option value="$PROJECT_DIR$/lib/src/webview_options.dart" />
         <option value="$PROJECT_DIR$/lib/src/in_app_browser.dart" />
-        <option value="$PROJECT_DIR$/example/lib/main.dart" />
         <option value="$PROJECT_DIR$/lib/src/chrome_safari_browser.dart" />
-        <option value="$PROJECT_DIR$/example/lib/in_app_webiew_example.screen.dart" />
         <option value="$PROJECT_DIR$/lib/src/cookie_manager.dart" />
+        <option value="$PROJECT_DIR$/example/assets/index.html" />
+        <option value="$PROJECT_DIR$/lib/src/types.dart" />
         <option value="$PROJECT_DIR$/lib/src/in_app_webview.dart" />
+        <option value="$PROJECT_DIR$/CHANGELOG.md" />
+        <option value="$PROJECT_DIR$/pubspec.yaml" />
+        <option value="$PROJECT_DIR$/example/android/app/src/main/AndroidManifest.xml" />
+        <option value="$PROJECT_DIR$/example/lib/main.dart" />
+        <option value="$PROJECT_DIR$/example/lib/in_app_webiew_example.screen.dart" />
         <option value="$PROJECT_DIR$/README.md" />
       </list>
     </option>
@@ -207,17 +229,6 @@
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
-      <pane id="Scope">
-        <subPane subId="Project Files">
-          <expand>
-            <path>
-              <item name="Root" type="cbb8eebc:String" user="Root" />
-              <item name="flutter_inappbrowser" type="cbb8eebc:String" user="flutter_inappbrowser" />
-            </path>
-          </expand>
-          <select />
-        </subPane>
-      </pane>
       <pane id="AndroidView">
         <subPane>
           <expand>
@@ -266,6 +277,28 @@
               <item name="example" type="462c0819:PsiDirectoryNode" />
               <item name="lib" type="462c0819:PsiDirectoryNode" />
             </path>
+            <path>
+              <item name="flutter_inappbrowser" type="b2602c69:ProjectViewProjectNode" />
+              <item name="flutter_inappbrowser" type="462c0819:PsiDirectoryNode" />
+              <item name="example" type="462c0819:PsiDirectoryNode" />
+              <item name="test_driver" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="flutter_inappbrowser" type="b2602c69:ProjectViewProjectNode" />
+              <item name="flutter_inappbrowser" type="462c0819:PsiDirectoryNode" />
+              <item name="lib" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="flutter_inappbrowser" type="b2602c69:ProjectViewProjectNode" />
+              <item name="flutter_inappbrowser" type="462c0819:PsiDirectoryNode" />
+              <item name="lib" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="flutter_inappbrowser" type="b2602c69:ProjectViewProjectNode" />
+              <item name="flutter_inappbrowser" type="462c0819:PsiDirectoryNode" />
+              <item name="nodejs_server_test_auth_basic_and_ssl" type="462c0819:PsiDirectoryNode" />
+            </path>
             <path>
               <item name="flutter_inappbrowser" type="b2602c69:ProjectViewProjectNode" />
               <item name="External Libraries" type="cb654da1:ExternalLibrariesNode" />
@@ -274,6 +307,17 @@
           <select />
         </subPane>
       </pane>
+      <pane id="Scope">
+        <subPane subId="Project Files">
+          <expand>
+            <path>
+              <item name="Root" type="cbb8eebc:String" user="Root" />
+              <item name="flutter_inappbrowser" type="cbb8eebc:String" user="flutter_inappbrowser" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
     </panes>
   </component>
   <component name="PropertiesComponent">
@@ -284,6 +328,7 @@
     <property name="android.project.structure.last.selected" value="SDK Location" />
     <property name="android.project.structure.proportion" value="0.15" />
     <property name="dart.analysis.tool.window.force.activate" value="false" />
+    <property name="editor.config.ad.shown" value="true" />
     <property name="io.flutter.reload.alreadyRun" value="true" />
     <property name="last_opened_file_path" value="$PROJECT_DIR$/example/test_driver" />
     <property name="project.structure.last.edited" value="SDK Location" />
@@ -473,63 +518,6 @@
     </ignored-roots>
   </component>
   <component name="editorHistoryManager">
-    <entry file="file://$USER_HOME$/flutter/packages/flutter_driver/lib/src/driver/driver.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="177">
-          <caret line="637" column="15" selection-start-line="637" selection-start-column="15" selection-end-line="637" selection-end-column="15" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/test_driver/in_app_webview_ajax_test.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="180">
-          <caret line="23" column="30" selection-start-line="23" selection-start-column="30" selection-end-line="23" selection-end-column="30" />
-          <folding>
-            <element signature="e#0#39#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/test_driver/in_app_webview_content_blocker_test.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="315">
-          <caret line="21" column="30" selection-start-line="21" selection-start-column="30" selection-end-line="21" selection-end-column="30" />
-          <folding>
-            <element signature="e#0#39#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/test_driver/in_app_webview_cookie_manager_test.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="330">
-          <caret line="22" column="30" selection-start-line="22" selection-start-column="30" selection-end-line="22" selection-end-column="30" />
-          <folding>
-            <element signature="e#0#39#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/test_driver/in_app_webview_fetch_test.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="375">
-          <caret line="25" column="30" selection-start-line="25" selection-start-column="30" selection-end-line="25" selection-end-column="30" />
-          <folding>
-            <element signature="e#0#22#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/test_driver/in_app_webview_initial_data_test.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="300">
-          <caret line="20" column="30" selection-start-line="20" selection-start-column="30" selection-end-line="20" selection-end-column="30" />
-          <folding>
-            <element signature="e#0#39#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/example/test_driver/in_app_webview_initial_file_test.dart">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="300">
@@ -697,13 +685,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/nodejs_server_test_auth_basic_and_ssl/index.js">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="1414">
-          <caret line="100" column="12" selection-start-line="100" selection-start-column="12" selection-end-line="100" selection-end-column="12" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/example/test_driver/in_app_webview_http_auth_credential_database_test.dart">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="455">
@@ -744,34 +725,9 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/CHANGELOG.md">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-164" />
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/.packages">
       <provider selected="true" editor-type-id="text-editor" />
     </entry>
-    <entry file="file://$PROJECT_DIR$/lib/src/types.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="416">
-          <caret line="1585" column="9" selection-start-line="1585" selection-start-column="9" selection-end-line="1585" selection-end-column="9" />
-          <folding>
-            <element signature="e#0#20#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/test_driver/main_test.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="535">
-          <caret line="115" column="25" selection-start-line="115" selection-start-column="16" selection-end-line="115" selection-end-column="25" />
-          <folding>
-            <element signature="e#0#20#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/example/test_driver/app.dart">
       <provider selected="true" editor-type-id="text-editor">
         <state>
@@ -792,20 +748,6 @@
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/example/lib/test.dart" />
-    <entry file="file://$PROJECT_DIR$/example/assets/index.html">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="180">
-          <caret line="12" column="26" selection-start-line="12" selection-start-column="26" selection-end-line="12" selection-end-column="26" />
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-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/pubspec.yaml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="319">
-          <caret line="43" column="9" selection-start-line="43" selection-start-column="9" selection-end-line="43" selection-end-column="9" />
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-    </entry>
     <entry file="file://$PROJECT_DIR$/example/lib/in_app_browser_example.screen.dart">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="135">
@@ -856,16 +798,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/example/lib/main.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="528">
-          <caret line="57" column="11" selection-start-line="57" selection-start-column="11" selection-end-line="57" selection-end-column="11" />
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-    </entry>
     <entry file="file://$PROJECT_DIR$/lib/src/in_app_localhost_server.dart">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="-65">
@@ -892,10 +824,127 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib/core/iterable.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="188">
+          <caret line="301" column="4" selection-start-line="301" selection-start-column="4" selection-end-line="301" selection-end-column="4" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/services/system_navigator.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="255">
+          <caret line="21" column="22" selection-start-line="21" selection-start-column="22" selection-end-line="21" selection-end-column="22" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/example/test_driver/main_test.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="237">
+          <caret line="115" column="25" selection-start-line="115" selection-start-column="16" selection-end-line="115" selection-end-column="25" />
+          <folding>
+            <element signature="e#0#20#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/example/pubspec.yaml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="376">
+          <caret line="43" column="9" selection-start-line="43" selection-start-column="9" selection-end-line="43" selection-end-column="9" />
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/lib/src/webview_options.dart">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="141">
-          <caret line="606" column="95" selection-start-line="606" selection-start-column="30" selection-end-line="606" selection-end-column="95" />
+        <state relative-caret-position="161">
+          <caret line="235" column="7" selection-start-line="235" selection-start-column="7" selection-end-line="235" selection-end-column="7" />
+          <folding>
+            <element signature="e#0#17#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/example/assets/index.html">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="161">
+          <caret line="14" column="41" lean-forward="true" selection-start-line="14" selection-start-column="41" selection-end-line="14" selection-end-column="41" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/nodejs_server_test_auth_basic_and_ssl/index.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="207">
+          <caret line="78" column="85" selection-start-line="78" selection-start-column="77" selection-end-line="78" selection-end-column="85" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-3.3.0/lib/src/permission_enums.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-145">
+          <caret line="162" column="14" selection-start-line="162" selection-start-column="4" selection-end-line="162" selection-end-column="14" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/example/android/app/src/main/AndroidManifest.xml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="255">
+          <caret line="17" column="64" lean-forward="true" selection-start-line="17" selection-start-column="64" selection-end-line="17" selection-end-column="64" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/example/lib/in_app_webiew_example.screen.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1485">
+          <caret line="99" column="22" lean-forward="true" selection-start-line="99" selection-start-column="22" selection-end-line="99" selection-end-column="22" />
+          <folding>
+            <element signature="e#0#39#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/example/lib/main.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="405">
+          <caret line="27" column="17" lean-forward="true" selection-start-line="27" selection-start-column="17" selection-end-line="27" selection-end-column="17" />
+          <folding>
+            <element signature="e#0#20#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/CHANGELOG.md">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="29">
+          <caret line="2" column="28" selection-start-line="2" selection-start-column="9" selection-end-line="2" selection-end-column="28" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/README.md">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="216">
+          <caret line="450" selection-start-line="450" selection-end-line="450" />
+          <folding>
+            <element signature="e#0#39#0" expanded="true" />
+            <element signature="e#0#39#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/src/types.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="313">
+          <caret line="1614" column="101" selection-start-line="1614" selection-start-column="70" selection-end-line="1614" selection-end-column="101" />
+          <folding>
+            <element signature="e#0#20#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/src/in_app_webview.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="137">
+          <caret line="222" column="40" selection-start-line="222" selection-start-column="15" selection-end-line="222" selection-end-column="40" />
           <folding>
             <element signature="e#0#17#0" expanded="true" />
           </folding>
@@ -904,42 +953,22 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/pubspec.yaml">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="120">
-          <caret line="8" column="36" selection-start-line="8" selection-start-column="11" selection-end-line="8" selection-end-column="36" />
+        <state relative-caret-position="30">
+          <caret line="2" column="14" selection-start-line="2" selection-start-column="14" selection-end-line="2" selection-end-column="14" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/lib/src/in_app_webview.dart">
+    <entry file="file://$PROJECT_DIR$/example/test_driver/in_app_webview_ajax_test.dart">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="325">
-          <caret line="1176" column="41" selection-start-line="1176" selection-start-column="41" selection-end-line="1176" selection-end-column="41" />
-          <folding>
-            <element signature="e#0#17#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/lib/in_app_webiew_example.screen.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-31">
-          <caret line="35" column="22" selection-start-line="35" selection-start-column="22" selection-end-line="35" selection-end-column="22" />
+        <state relative-caret-position="-164">
           <folding>
             <element signature="e#0#39#0" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/README.md">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="204">
-          <caret line="428" column="42" lean-forward="true" selection-start-line="428" selection-start-column="42" selection-end-line="428" selection-end-column="42" />
-          <folding>
-            <element signature="e#0#20#0" expanded="true" />
-            <element signature="e#0#39#0" expanded="true" />
-            <element signature="e#0#39#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
+    <entry file="file://$PROJECT_DIR$/test.sh">
+      <provider selected="true" editor-type-id="text-editor" />
     </entry>
   </component>
   <component name="masterDetails">
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f607ebb..c0a286f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.1
+
+- Added `onPermissionRequest` event. This event is fired when the webview is requesting permission to access the specified resources and the permission currently isn't granted or denied (available only on Android).
+
 ## 2.0.0
 
 - Merge "Avoid null pointer exception after webview is disposed" [#116](https://github.com/pichillilorenzo/flutter_inappbrowser/pull/116) (thanks to [robsonfingo](https://github.com/robsonfingo))
diff --git a/README.md b/README.md
index f29b84d4..d9cedfc8 100644
--- a/README.md
+++ b/README.md
@@ -447,6 +447,7 @@ Instead, on the `onLoadStop` WebView event, you can use `callHandler` directly:
 * `onAjaxProgress`: Event fired as an `XMLHttpRequest` progress.
 * `shouldInterceptFetchRequest`: Event fired when a request is sent to a server through [Fetch API](https://developer.mozilla.org/it/docs/Web/API/Fetch_API).
 * `onNavigationStateChange`: Event fired when the navigation state of the InAppWebView changes.
+* `onPermissionRequest`: Event fired when the webview is requesting permission to access the specified resources and the permission currently isn't granted or denied (available only on Android).
 
 ### `InAppBrowser` class
 
diff --git a/android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/InAppWebView/InAppWebViewChromeClient.java b/android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/InAppWebView/InAppWebViewChromeClient.java
index d181497c..725d5768 100644
--- a/android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/InAppWebView/InAppWebViewChromeClient.java
+++ b/android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/InAppWebView/InAppWebViewChromeClient.java
@@ -16,6 +16,7 @@ import android.webkit.ConsoleMessage;
 import android.webkit.GeolocationPermissions;
 import android.webkit.JsPromptResult;
 import android.webkit.JsResult;
+import android.webkit.PermissionRequest;
 import android.webkit.ValueCallback;
 import android.webkit.WebChromeClient;
 import android.webkit.WebView;
@@ -31,7 +32,10 @@ import com.pichillilorenzo.flutter_inappbrowser.InAppBrowserActivity;
 import com.pichillilorenzo.flutter_inappbrowser.InAppBrowserFlutterPlugin;
 import com.pichillilorenzo.flutter_inappbrowser.R;
 
+import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 import io.flutter.plugin.common.MethodChannel;
@@ -573,6 +577,53 @@ public class InAppWebViewChromeClient extends WebChromeClient implements PluginR
     return true;
   }
 
+  @Override
+  public void onPermissionRequest(final PermissionRequest request) {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+      Map<String, Object> obj = new HashMap<>();
+      if (inAppBrowserActivity != null)
+        obj.put("uuid", inAppBrowserActivity.uuid);
+      obj.put("origin", request.getOrigin().toString());
+      obj.put("resources", Arrays.asList(request.getResources()));
+      getChannel().invokeMethod("onPermissionRequest", obj, new MethodChannel.Result() {
+        @Override
+        public void success(Object response) {
+          if (response != null) {
+            Map<String, Object> responseMap = (Map<String, Object>) response;
+            Integer action = (Integer) responseMap.get("action");
+            List<String> resourceList = (List<String>) responseMap.get("resources");
+            if (resourceList == null)
+              resourceList = new ArrayList<String>();
+            String[] resources = new String[resourceList.size()];
+            resources = resourceList.toArray(resources);
+            if (action != null) {
+              switch (action) {
+                case 1:
+                  request.grant(resources);
+                  return;
+                case 0:
+                default:
+                  request.deny();
+                  return;
+              }
+            }
+          }
+          request.deny();
+        }
+
+        @Override
+        public void error(String s, String s1, Object o) {
+          Log.e(LOG_TAG, s + ", " + s1);
+        }
+
+        @Override
+        public void notImplemented() {
+          request.deny();
+        }
+      });
+    }
+  }
+
   private MethodChannel getChannel() {
     return (inAppBrowserActivity != null) ? InAppBrowserFlutterPlugin.inAppBrowser.channel : flutterWebView.channel;
   }
diff --git a/example/android/app/src/main/AndroidManifest.xml b/example/android/app/src/main/AndroidManifest.xml
index 7196121f..8f3b3e5c 100644
--- a/example/android/app/src/main/AndroidManifest.xml
+++ b/example/android/app/src/main/AndroidManifest.xml
@@ -15,6 +15,12 @@
     <uses-permission android:name="android.permission.ACCESS_ASSISTED_GPS" />
     <uses-permission android:name="android.permission.ACCESS_LOCATION" />
 
+    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
+    <uses-permission android:name="android.permission.VIDEO_CAPTURE" />
+    <uses-permission android:name="android.permission.AUDIO_CAPTURE" />
+
     <!-- io.flutter.app.FlutterApplication is an android.app.Application that
          calls FlutterMain.startInitialization(this); in its onCreate method.
          In most cases you can leave this as-is, but you if you want to provide
diff --git a/example/lib/in_app_webiew_example.screen.dart b/example/lib/in_app_webiew_example.screen.dart
index 75b0547d..1fc2cc0d 100755
--- a/example/lib/in_app_webiew_example.screen.dart
+++ b/example/lib/in_app_webiew_example.screen.dart
@@ -32,81 +32,81 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
         ),
         drawer: myDrawer(context: context),
         body: Container(
-          child: Column(children: <Widget>[
-            Container(
-              padding: EdgeInsets.all(20.0),
-              child: Text(
-                  "CURRENT URL\n${(url.length > 50) ? url.substring(0, 50) + "..." : url}"),
-            ),
-            Container(
-                padding: EdgeInsets.all(10.0),
-                child: progress < 1.0
-                    ? LinearProgressIndicator(value: progress)
-                    : Container()),
-            Expanded(
-              child: Container(
-                margin: const EdgeInsets.all(10.0),
-                decoration:
-                    BoxDecoration(border: Border.all(color: Colors.blueAccent)),
-                child: InAppWebView(
-                  initialUrl: "https://flutter.dev/",
-                  initialHeaders: {},
-                  initialOptions: InAppWebViewWidgetOptions(
-                    inAppWebViewOptions: InAppWebViewOptions(
-                        debuggingEnabled: true,
-                    )
+            child: Column(children: <Widget>[
+              Container(
+                padding: EdgeInsets.all(20.0),
+                child: Text(
+                    "CURRENT URL\n${(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(
+                    initialUrl: "https://flutter.dev/",
+                    initialHeaders: {},
+                    initialOptions: InAppWebViewWidgetOptions(
+                        inAppWebViewOptions: InAppWebViewOptions(
+                          debuggingEnabled: true,
+                        )
+                    ),
+                    onWebViewCreated: (InAppWebViewController controller) {
+                      webView = controller;
+                    },
+                    onLoadStart: (InAppWebViewController controller, String url) {
+                      setState(() {
+                        this.url = url;
+                      });
+                    },
+                    onLoadStop: (InAppWebViewController controller, String url) async {
+                      setState(() {
+                        this.url = url;
+                      });
+                    },
+                    onProgressChanged: (InAppWebViewController controller, int progress) {
+                      setState(() {
+                        this.progress = progress / 100;
+                      });
+                    },
                   ),
-                  onWebViewCreated: (InAppWebViewController controller) {
-                    webView = controller;
-                  },
-                  onLoadStart: (InAppWebViewController controller, String url) {
-                    setState(() {
-                      this.url = url;
-                    });
-                  },
-                  onLoadStop: (InAppWebViewController controller, String url) async {
-                    setState(() {
-                      this.url = url;
-                    });
-                  },
-                  onProgressChanged: (InAppWebViewController controller, int progress) {
-                    setState(() {
-                      this.progress = progress / 100;
-                    });
-                  },
                 ),
               ),
-            ),
-            ButtonBar(
-              alignment: MainAxisAlignment.center,
-              children: <Widget>[
-                RaisedButton(
-                  child: Icon(Icons.arrow_back),
-                  onPressed: () {
-                    if (webView != null) {
-                      webView.goBack();
-                    }
-                  },
-                ),
-                RaisedButton(
-                  child: Icon(Icons.arrow_forward),
-                  onPressed: () {
-                    if (webView != null) {
-                      webView.goForward();
-                    }
-                  },
-                ),
-                RaisedButton(
-                  child: Icon(Icons.refresh),
-                  onPressed: () {
-                    if (webView != null) {
-                      webView.reload();
-                    }
-                  },
-                ),
-              ],
-            ),
-        ]))
+              ButtonBar(
+                alignment: MainAxisAlignment.center,
+                children: <Widget>[
+                  RaisedButton(
+                    child: Icon(Icons.arrow_back),
+                    onPressed: () {
+                      if (webView != null) {
+                        webView.goBack();
+                      }
+                    },
+                  ),
+                  RaisedButton(
+                    child: Icon(Icons.arrow_forward),
+                    onPressed: () {
+                      if (webView != null) {
+                        webView.goForward();
+                      }
+                    },
+                  ),
+                  RaisedButton(
+                    child: Icon(Icons.refresh),
+                    onPressed: () {
+                      if (webView != null) {
+                        webView.reload();
+                      }
+                    },
+                  ),
+                ],
+              ),
+            ]))
     );
   }
-}
+}
\ No newline at end of file
diff --git a/example/lib/main.dart b/example/lib/main.dart
index a0f9ea62..bd2dbf18 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -68,12 +68,12 @@ class _MyAppState extends State<MyApp> {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      initialRoute: '/',
-      routes: {
-        '/': (context) => InAppWebViewExampleScreen(),
-        '/InAppBrowser': (context) => InAppBrowserExampleScreen(),
-        '/ChromeSafariBrowser': (context) => ChromeSafariBrowserExampleScreen(),
-      }
+        initialRoute: '/',
+        routes: {
+          '/': (context) => InAppWebViewExampleScreen(),
+          '/InAppBrowser': (context) => InAppBrowserExampleScreen(),
+          '/ChromeSafariBrowser': (context) => ChromeSafariBrowserExampleScreen(),
+        }
     );
   }
-}
+}
\ No newline at end of file
diff --git a/lib/src/in_app_webview.dart b/lib/src/in_app_webview.dart
index 693a8fa1..3a2bf77f 100755
--- a/lib/src/in_app_webview.dart
+++ b/lib/src/in_app_webview.dart
@@ -214,6 +214,15 @@ 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.
+  ///
+  ///[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+.
+  final Future<PermissionRequestResponse> Function(InAppWebViewController controller, String origin, List<String> resources) onPermissionRequest;
+
   ///Initial url that will be loaded.
   final String initialUrl;
   ///Initial asset file that will be loaded. See [InAppWebView.loadFile()] for explanation.
@@ -267,6 +276,7 @@ class InAppWebView extends StatefulWidget {
     this.onAjaxProgress,
     this.shouldInterceptFetchRequest,
     this.onNavigationStateChange,
+    this.onPermissionRequest,
     this.gestureRecognizers,
   }) : super(key: key);
 
@@ -581,6 +591,14 @@ class InAppWebViewController {
         else if (_inAppBrowser != null)
           _inAppBrowser.onNavigationStateChange(url);
         break;
+      case "onPermissionRequest":
+        String origin = call.arguments["origin"];
+        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();*/
+        break;
       case "onCallJsHandler":
         String handlerName = call.arguments["handlerName"];
         // decode args to json
diff --git a/lib/src/types.dart b/lib/src/types.dart
index e4e2e40b..240cb032 100644
--- a/lib/src/types.dart
+++ b/lib/src/types.dart
@@ -145,9 +145,9 @@ class CustomSchemeResponse {
 
   Map<String, dynamic> toJson() {
     return {
-      'content-type': this.contentType,
-      'content-encoding': this.contentEnconding,
-      'data': this.data
+      'content-type': contentType,
+      'content-encoding': contentEnconding,
+      'data': data
     };
   }
 }
@@ -1586,4 +1586,38 @@ class Cookie {
   dynamic value;
 
   Cookie({@required this.name, @required this.value});
+}
+
+///PermissionRequestResponseAction class used by [PermissionRequestResponse] class.
+class PermissionRequestResponseAction {
+  final int _value;
+  const PermissionRequestResponseAction._internal(this._value);
+  int toValue() => _value;
+
+  ///Denies the request.
+  static const DENY = const PermissionRequestResponseAction._internal(0);
+  ///Grants origin the permission to access the given resources.
+  static const GRANT = const PermissionRequestResponseAction._internal(1);
+
+  bool operator ==(value) => value == _value;
+
+  @override
+  int get hashCode => _value.hashCode;
+}
+
+///PermissionRequestResponse class represents the response used by the [onPermissionRequest] event.
+class PermissionRequestResponse {
+  ///Resources granted to be accessed by origin.
+  List<String> resources;
+  ///Indicate the [PermissionRequestResponseAction] to take in response of a permission request.
+  PermissionRequestResponseAction action;
+
+  PermissionRequestResponse({this.resources = const [], this.action = PermissionRequestResponseAction.DENY});
+
+  Map<String, dynamic> toMap() {
+    return {
+      "resources": resources,
+      "action": action?.toValue()
+    };
+  }
 }
\ No newline at end of file
diff --git a/pubspec.yaml b/pubspec.yaml
index fc802858..eda78150 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: flutter_inappbrowser
 description: A Flutter plugin that allows you to add an inline webview or open an in-app browser window.
-version: 2.0.0
+version: 2.0.1
 author: Lorenzo Pichilli <pichillilorenzo@gmail.com>
 homepage: https://github.com/pichillilorenzo/flutter_inappbrowser