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lib/services/qr_service_native.dart

@@ -0,0 +1,12 @@
+import 'package:flutter/services.dart';
+
+const _channel = MethodChannel('com.ichino/qr_scanner');
+
+Future<String?> decodeQRFromBytes(Uint8List bytes) async {
+  try {
+    final result = await _channel.invokeMethod<String>('decodeQRFromBytes', bytes);
+    return result;
+  } on PlatformException {
+    return null;
+  }
+}