[url_launcher]: add option to enable DOM storage in android webview

Author: nekolab

packages/url_launcher/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 5.0.5
+
+* Add `enableDomStorage` field to `launch` to enable DOM storage in Android WebView.
+
 ## 5.0.4
 
 * Update Dart code to conform to current Dart formatter.

packages/url_launcher/android/src/main/java/io/flutter/plugins/urllauncher/UrlLauncherPlugin.java

@@ -68,6 +68,7 @@ private void launch(MethodCall call, Result result, String url) {
     Intent launchIntent;
     boolean useWebView = call.argument("useWebView");
     boolean enableJavaScript = call.argument("enableJavaScript");
+    boolean enableDomStorage = call.argument("enableDomStorage");
     Activity activity = mRegistrar.activity();
     if (activity == null) {
       result.error("NO_ACTIVITY", "Launching a URL requires a foreground activity.", null);
@@ -77,6 +78,7 @@ private void launch(MethodCall call, Result result, String url) {
       launchIntent = new Intent(activity, WebViewActivity.class);
       launchIntent.putExtra("url", url);
       launchIntent.putExtra("enableJavaScript", enableJavaScript);
+      launchIntent.putExtra("enableDomStorage", enableDomStorage);
     } else {
       launchIntent = new Intent(Intent.ACTION_VIEW);
       launchIntent.setData(Uri.parse(url));
@@ -105,10 +107,14 @@ public void onCreate(Bundle savedInstanceState) {
       Intent intent = getIntent();
       String url = intent.getStringExtra("url");
       Boolean enableJavaScript = intent.getBooleanExtra("enableJavaScript", false);
+      Boolean enableDomStorage = intent.getBooleanExtra("enableDomStorage", false);
       webview.loadUrl(url);
       if (enableJavaScript) {
         webview.getSettings().setJavaScriptEnabled(enableJavaScript);
       }
+      if (enableDomStorage) {
+        webview.getSettings().setDomStorageEnabled(enableDomStorage);
+      }
       // Open new urls inside the webview itself.
       webview.setWebViewClient(
           new WebViewClient() {

packages/url_launcher/example/lib/main.dart

@@ -65,6 +65,19 @@ class _MyHomePageState extends State<MyHomePage> {
     }
   }
 
+  Future<void> _launchInWebViewWithDomStorage(String url) async {
+    if (await canLaunch(url)) {
+      await launch(
+        url,
+        forceSafariVC: true,
+        forceWebView: true,
+        enableDomStorage: true,
+      );
+    } else {
+      throw 'Could not launch $url';
+    }
+  }
+
   Future<void> _launchUniversalLinkIos(String url) async {
     if (await canLaunch('https://youtube.com')) {
       final bool nativeAppLaunchSucceeded = await launch(
@@ -138,13 +151,19 @@ class _MyHomePageState extends State<MyHomePage> {
               }),
               child: const Text('Launch in app'),
             ),
-            const Padding(padding: EdgeInsets.all(16.0)),
             RaisedButton(
               onPressed: () => setState(() {
                 _launched = _launchInWebViewWithJavaScript(toLaunch);
               }),
               child: const Text('Launch in app(JavaScript ON)'),
             ),
+            RaisedButton(
+              onPressed: () => setState(() {
+                _launched = _launchInWebViewWithDomStorage(toLaunch);
+              }),
+              child: const Text('Launch in app(DOM storage ON)'),
+            ),
+            const Padding(padding: EdgeInsets.all(16.0)),
             RaisedButton(
               onPressed: () => setState(() {
                 _launched = _launchUniversalLinkIos(toLaunch);

packages/url_launcher/lib/url_launcher.dart

@@ -42,6 +42,8 @@ const MethodChannel _channel = MethodChannel('plugins.flutter.io/url_launcher');
 /// WebViews.
 /// [enableJavaScript] is an Android only setting. If true, WebView enable
 /// javascript.
+/// [enableDomStorage] is an Android only setting. If true, WebView enable
+/// DOM storage.
 ///
 /// Note that if any of the above are set to true but the URL is not a web URL,
 /// this will throw a [PlatformException].
@@ -57,6 +59,7 @@ Future<bool> launch(
   bool forceSafariVC,
   bool forceWebView,
   bool enableJavaScript,
+  bool enableDomStorage,
   bool universalLinksOnly,
   Brightness statusBarBrightness,
 }) async {
@@ -86,6 +89,7 @@ Future<bool> launch(
       'useSafariVC': forceSafariVC ?? isWebURL,
       'useWebView': forceWebView ?? false,
       'enableJavaScript': enableJavaScript ?? false,
+      'enableDomStorage': enableDomStorage ?? false,
       'universalLinksOnly': universalLinksOnly ?? false,
     },
   );

packages/url_launcher/pubspec.yaml

@@ -3,7 +3,7 @@ description: Flutter plugin for launching a URL on Android and iOS. Supports
   web, phone, SMS, and email schemes.
 author: Flutter Team <flutter-dev@googlegroups.com>
 homepage: https://github.com/flutter/plugins/tree/master/packages/url_launcher
-version: 5.0.4
+version: 5.0.5
 
 flutter:
   plugin:

packages/url_launcher/test/url_launcher_test.dart

@@ -40,6 +40,7 @@ void main() {
           'useSafariVC': true,
           'useWebView': false,
           'enableJavaScript': false,
+          'enableDomStorage': false,
           'universalLinksOnly': false,
         })
       ],
@@ -56,6 +57,7 @@ void main() {
           'useSafariVC': true,
           'useWebView': false,
           'enableJavaScript': false,
+          'enableDomStorage': false,
           'universalLinksOnly': false,
         })
       ],
@@ -73,6 +75,7 @@ void main() {
           'useSafariVC': false,
           'useWebView': false,
           'enableJavaScript': false,
+          'enableDomStorage': false,
           'universalLinksOnly': true,
         })
       ],
@@ -89,6 +92,7 @@ void main() {
           'useSafariVC': true,
           'useWebView': true,
           'enableJavaScript': false,
+          'enableDomStorage': false,
           'universalLinksOnly': false,
         })
       ],
@@ -106,6 +110,25 @@ void main() {
           'useSafariVC': true,
           'useWebView': true,
           'enableJavaScript': true,
+          'enableDomStorage': false,
+          'universalLinksOnly': false,
+        })
+      ],
+    );
+  });
+
+  test('launch force WebView enable DOM storage', () async {
+    await launch('http://example.com/',
+        forceWebView: true, enableDomStorage: true);
+    expect(
+      log,
+      <Matcher>[
+        isMethodCall('launch', arguments: <String, Object>{
+          'url': 'http://example.com/',
+          'useSafariVC': true,
+          'useWebView': true,
+          'enableJavaScript': false,
+          'enableDomStorage': true,
           'universalLinksOnly': false,
         })
       ],
@@ -122,6 +145,7 @@ void main() {
           'useSafariVC': false,
           'useWebView': false,
           'enableJavaScript': false,
+          'enableDomStorage': false,
           'universalLinksOnly': false,
         })
       ],