Initial Commit

lib/screens/settings/qr_scanner_screen.dart

@@ -0,0 +1,64 @@
+
+
+import 'package:flutter/material.dart';
+import 'package:mobile_scanner/mobile_scanner.dart';
+
+class QrScannerScreen extends StatefulWidget {
+  const QrScannerScreen({super.key});
+
+  @override
+  State<QrScannerScreen> createState() => _QrScannerScreenState();
+}
+
+class _QrScannerScreenState extends State<QrScannerScreen> {
+  final MobileScannerController _scannerController = MobileScannerController(
+    detectionSpeed: DetectionSpeed.normal,
+    facing: CameraFacing.back,
+  );
+  bool _isScanCompleted = false;
+
+  @override
+  void dispose() {
+    _scannerController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text("Сканировать QR-код"),
+        backgroundColor: Colors.black,
+        foregroundColor: Colors.white,
+      ),
+      body: Stack(
+        children: [
+          MobileScanner(
+            controller: _scannerController,
+            onDetect: (capture) {
+              if (!_isScanCompleted) {
+                final String? code = capture.barcodes.first.rawValue;
+                if (code != null) {
+                  setState(() => _isScanCompleted = true);
+
+                  Navigator.of(context).pop(code);
+                }
+              }
+            },
+          ),
+
+          Center(
+            child: Container(
+              width: 250,
+              height: 250,
+              decoration: BoxDecoration(
+                border: Border.all(color: Colors.white, width: 2),
+                borderRadius: BorderRadius.circular(12),
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}