Merge pull request #4 from tashi146/main

Added back button,title and permission for web and window

Author: CodingWithTashi

example/pubspec.lock

@@ -136,7 +136,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.0.3"
+    version: "0.0.4"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -225,7 +225,7 @@ packages:
       name: webview_windows
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.9"
+    version: "0.2.0"
 sdks:
   dart: ">=2.17.0 <3.0.0"
   flutter: ">=3.0.0"

lib/constant.dart

@@ -4,3 +4,5 @@ class PackageConstant {
   static const barcodeFileWebPath =
       "assets/packages/simple_barcode_scanner/assets/barcode.html";
 }
+
+String kScanPageTitle = 'Scan barcode/qrcode';

lib/screens/web.dart

@@ -46,6 +46,9 @@ class BarcodeScanner extends StatelessWidget {
         .registerViewFactory(createdViewId, (int viewId) => iframe);
 
     return Scaffold(
+      appBar: AppBar(
+        title: Text(kScanPageTitle),
+      ),
       body: HtmlElementView(
         viewType: createdViewId,
       ),

lib/screens/window.dart

@@ -24,10 +24,15 @@ class WindowBarcodeScanner extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     WebviewController controller = WebviewController();
-
+    bool isPermissionGranted = false;
     return Scaffold(
+      appBar: AppBar(
+        title: Text(kScanPageTitle),
+      ),
       body: FutureBuilder<bool>(
-          future: initPlatformState(controller: controller),
+          future: initPlatformState(
+            controller: controller,
+          ),
           builder: (context, snapshot) {
             if (snapshot.hasData && snapshot.data != null) {
               return Webview(
@@ -37,7 +42,8 @@ class WindowBarcodeScanner extends StatelessWidget {
                         url: url,
                         kind: permissionKind,
                         isUserInitiated: isUserInitiated,
-                        context: context),
+                        context: context,
+                        isPermissionGranted: isPermissionGranted),
               );
             } else if (snapshot.hasError) {
               return Center(
@@ -55,27 +61,37 @@ class WindowBarcodeScanner extends StatelessWidget {
       {required String url,
       required WebviewPermissionKind kind,
       required bool isUserInitiated,
-      required BuildContext context}) async {
-    final decision = await showDialog<WebviewPermissionDecision>(
-      context: context,
-      builder: (BuildContext context) => AlertDialog(
-        title: const Text('Permission requested'),
-        content:
-            Text('\'${kind.name}\' permission is require to scan qr/barcode'),
-        actions: <Widget>[
-          TextButton(
-            onPressed: () =>
-                Navigator.pop(context, WebviewPermissionDecision.deny),
-            child: const Text('Deny'),
-          ),
-          TextButton(
-            onPressed: () =>
-                Navigator.pop(context, WebviewPermissionDecision.allow),
-            child: const Text('Allow'),
-          ),
-        ],
-      ),
-    );
+      required BuildContext context,
+      required bool isPermissionGranted}) async {
+    final WebviewPermissionDecision? decision;
+    if (!isPermissionGranted) {
+      decision = await showDialog<WebviewPermissionDecision>(
+        context: context,
+        builder: (BuildContext context) => AlertDialog(
+          title: const Text('Permission requested'),
+          content:
+              Text('\'${kind.name}\' permission is require to scan qr/barcode'),
+          actions: <Widget>[
+            TextButton(
+              onPressed: () {
+                Navigator.pop(context, WebviewPermissionDecision.deny);
+                isPermissionGranted = false;
+              },
+              child: const Text('Deny'),
+            ),
+            TextButton(
+              onPressed: () {
+                Navigator.pop(context, WebviewPermissionDecision.allow);
+                isPermissionGranted = true;
+              },
+              child: const Text('Allow'),
+            ),
+          ],
+        ),
+      );
+    } else {
+      decision = WebviewPermissionDecision.allow;
+    }
 
     return decision ?? WebviewPermissionDecision.none;
   }

pubspec.yaml

@@ -16,7 +16,7 @@ dependencies:
   flutter:
     sdk: flutter
   # Flutter window webview
-  webview_windows: ^0.1.9
+  webview_windows: ^0.2.0
   # Barcode scanner for android and ios
   flutter_barcode_scanner: ^2.0.0
   #Get assets path for window platform
@@ -25,7 +25,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^2.0.0
+  flutter_lints: ^2.0.1
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec