qr scanner initial

app/lib/features/geckoview/features/search/presentation/widgets/search_field.dart

@@ -25,6 +25,7 @@ import 'package:weblibre/features/bangs/data/models/bang_data.dart';
 import 'package:weblibre/features/geckoview/features/search/domain/providers/engine_suggestions.dart';
 import 'package:weblibre/features/user/domain/providers.dart';
 import 'package:weblibre/presentation/widgets/auto_suggest_text_field.dart';
+import 'package:weblibre/presentation/widgets/qr_scanner_button.dart';
 import 'package:weblibre/presentation/widgets/speech_to_text_button.dart';
 import 'package:weblibre/presentation/widgets/url_icon.dart';
 
@@ -122,10 +123,22 @@ class SearchField extends HookConsumerWidget {
                 },
                 icon: const Icon(Icons.clear),
               )
-            : SpeechToTextButton(
-                onTextReceived: (data) {
-                  textEditingController.text = data.toString();
-                },
+            : Row(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  QrScannerButton(
+                    onScanResult: (scanResult) {
+                      if (scanResult?.code != null) {
+                        textEditingController.text = scanResult!.code!;
+                      }
+                    },
+                  ),
+                  SpeechToTextButton(
+                    onTextReceived: (data) {
+                      textEditingController.text = data;
+                    },
+                  ),
+                ],
               ),
       ),
       onTapOutside: unfocusOnTapOutside

app/lib/features/qr_scanner/presentation/dialogs/qr_scanner_dialog.dart

@@ -0,0 +1,77 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
+import 'package:qr_code_scanner_plus/qr_code_scanner_plus.dart';
+import 'package:weblibre/utils/ui_helper.dart' as ui_helper;
+
+class QrScannerDialog extends HookWidget {
+  @override
+  Widget build(BuildContext context) {
+    final qrKey = useMemoized(() => GlobalKey(debugLabel: 'qr_scanner'));
+    final qrController = useState<QRViewController?>(null);
+
+    final flashState = useState(false);
+
+    useEffect(() {
+      StreamSubscription<Barcode>? sub;
+
+      if (qrController.value != null) {
+        sub = qrController.value!.scannedDataStream.listen((event) {
+          if (context.mounted) {
+            Navigator.pop(context, event);
+          }
+        });
+      }
+
+      return () {
+        unawaited(sub?.cancel());
+      };
+    }, [qrController.value]);
+
+    return Dialog.fullscreen(
+      child: Scaffold(
+        appBar: AppBar(
+          title: const Text('Scan code'),
+          actions: [
+            IconButton(
+              isSelected: flashState.value,
+              onPressed: () async {
+                if (qrController.value != null) {
+                  await qrController.value!.toggleFlash();
+
+                  flashState.value =
+                      await qrController.value!.getFlashStatus() ?? false;
+                }
+              },
+              icon: const Icon(Icons.flash_on),
+              selectedIcon: const Icon(Icons.flash_off),
+            ),
+            IconButton(
+              onPressed: () async {
+                await qrController.value?.flipCamera();
+              },
+              icon: const Icon(Icons.cameraswitch),
+            ),
+          ],
+        ),
+        body: SafeArea(
+          child: QRView(
+            key: qrKey,
+            onQRViewCreated: (controller) {
+              qrController.value = controller;
+            },
+            onPermissionSet: (controller, result) {
+              if (!result) {
+                ui_helper.showErrorMessage(
+                  context,
+                  'No Camera Permission granted',
+                );
+              }
+            },
+          ),
+        ),
+      ),
+    );
+  }
+}

app/lib/presentation/widgets/qr_scanner_button.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_material_design_icons/flutter_material_design_icons.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:qr_code_scanner_plus/qr_code_scanner_plus.dart';
+import 'package:weblibre/features/qr_scanner/presentation/dialogs/qr_scanner_dialog.dart';
+
+class QrScannerButton extends HookConsumerWidget {
+  final void Function(Barcode? scanResult) onScanResult;
+
+  const QrScannerButton({required this.onScanResult});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    return IconButton(
+      onPressed: () async {
+        final result = await showDialog<Barcode>(
+          context: context,
+          builder: (context) {
+            return QrScannerDialog();
+          },
+        );
+
+        onScanResult(result);
+      },
+      icon: const Icon(MdiIcons.barcodeScan),
+    );
+  }
+}

app/pubspec.yaml

@@ -61,6 +61,7 @@ dependencies:
   path_provider: ^2.1.5
   permission_handler: ^12.0.1
   pretty_qr_code: ^3.5.0
+  qr_code_scanner_plus: ^2.0.14
   quick_actions: ^1.1.0
   riverpod: ^3.1.0
   riverpod_annotation: ^4.0.0