fix #337

CHANGELOG.md

@@ -1,8 +1,12 @@
+## 3.1.1
+
+- Fixed `Confirmation dialog (onbeforeunload) displayed after popped from webview page` [#337](https://github.com/pichillilorenzo/flutter_inappwebview/issues/337)
+
 ## 3.1.0
 
 - Added `HeadlessInAppWebView` class to be able to use WebView in headless mode
 - Added `close`, `addMenuItem`, `addMenuItems` methods to `ChromeSafariBrowser`
-- Added `ChromeSafariBrowserMenuItem` class in order to create custom menu item for `ChromeSafariBrowser`.
+- Added `ChromeSafariBrowserMenuItem` class in order to create custom menu item for `ChromeSafariBrowser`
 - Fixed `InAppWebView.channel` null when used by `InAppBrowserActivity` on android
 - Fixed iOS presentationStyle affecting only dismiss animation [#305](https://github.com/pichillilorenzo/flutter_inappwebview/issues/305)
 

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

@@ -8,6 +8,7 @@ import android.util.Log;
 import android.view.ContextThemeWrapper;
 import android.view.View;
 import android.webkit.WebChromeClient;
+import android.webkit.WebSettings;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
 
@@ -397,6 +398,8 @@ public class FlutterWebView implements PlatformView, MethodCallHandler  {
           webView = null;
         }
       });
+      WebSettings settings = webView.getSettings();
+      settings.setJavaScriptEnabled(false);
       webView.loadUrl("about:blank");
     }
   }

example/.flutter-plugins-dependencies

@@ -1 +1 @@
-{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"connectivity","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity-0.4.8+5/","dependencies":[]},{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.4.4/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-1.6.7/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-3.3.0/","dependencies":[]}],"android":[{"name":"connectivity","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity-0.4.8+5/","dependencies":[]},{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.4.4/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-1.6.7/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-3.3.0/","dependencies":[]}],"macos":[{"name":"connectivity_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity_macos-0.1.0+3/","dependencies":[]},{"name":"path_provider_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_macos-0.0.4+2/","dependencies":[]}],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"connectivity","dependencies":["connectivity_macos"]},{"name":"connectivity_macos","dependencies":[]},{"name":"flutter_downloader","dependencies":[]},{"name":"flutter_inappwebview","dependencies":[]},{"name":"path_provider","dependencies":["path_provider_macos"]},{"name":"path_provider_macos","dependencies":[]},{"name":"permission_handler","dependencies":[]}],"date_created":"2020-05-11 02:42:13.697935","version":"1.17.0"}
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"connectivity","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity-0.4.8+5/","dependencies":[]},{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.4.4/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-1.6.7/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-3.3.0/","dependencies":[]}],"android":[{"name":"connectivity","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity-0.4.8+5/","dependencies":[]},{"name":"flutter_downloader","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_downloader-1.4.4/","dependencies":[]},{"name":"flutter_inappwebview","path":"/Users/lorenzopichilli/Desktop/flutter_inappwebview/","dependencies":[]},{"name":"path_provider","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-1.6.7/","dependencies":[]},{"name":"permission_handler","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/permission_handler-3.3.0/","dependencies":[]}],"macos":[{"name":"connectivity_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/connectivity_macos-0.1.0+3/","dependencies":[]},{"name":"path_provider_macos","path":"/Users/lorenzopichilli/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_macos-0.0.4+2/","dependencies":[]}],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"connectivity","dependencies":["connectivity_macos"]},{"name":"connectivity_macos","dependencies":[]},{"name":"flutter_downloader","dependencies":[]},{"name":"flutter_inappwebview","dependencies":[]},{"name":"path_provider","dependencies":["path_provider_macos"]},{"name":"path_provider_macos","dependencies":[]},{"name":"permission_handler","dependencies":[]}],"date_created":"2020-05-11 13:40:48.620696","version":"1.17.0"}

example/ios/Flutter/flutter_export_environment.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+# This is a generated file; do not edit or check into version control.
+export "FLUTTER_ROOT=/Users/lorenzopichilli/flutter"
+export "FLUTTER_APPLICATION_PATH=/Users/lorenzopichilli/Desktop/flutter_inappwebview/example"
+export "FLUTTER_TARGET=lib/main.dart"
+export "FLUTTER_BUILD_DIR=build"
+export "SYMROOT=${SOURCE_ROOT}/../build/ios"
+export "OTHER_LDFLAGS=$(inherited) -framework Flutter"
+export "FLUTTER_FRAMEWORK_DIR=/Users/lorenzopichilli/flutter/bin/cache/artifacts/engine/ios"
+export "FLUTTER_BUILD_NAME=1.0.0"
+export "FLUTTER_BUILD_NUMBER=1"

example/lib/in_app_webiew_example.screen.dart

@@ -49,7 +49,7 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
                   decoration:
                   BoxDecoration(border: Border.all(color: Colors.blueAccent)),
                   child: InAppWebView(
-                    initialUrl: "https://flutter.dev/",
+                    initialUrl: "s",
                     // initialFile: "assets/index.html",
                     initialHeaders: {},
                     initialOptions: InAppWebViewGroupOptions(