Calling the function with passing the parameters of the width and height of the scanning area for IOS

ios/Classes/QRView.swift

@@ -56,7 +56,8 @@ public class QRView:NSObject,FlutterPlatformView {
                     self?.setDimensions(result,
                                         width: arguments["width"] ?? 0,
                                         height: arguments["height"] ?? 0,
-                                        scanArea: arguments["scanArea"] ?? 0,
+                                        scanArea: arguments["scanAreaWidth"] ?? 0,
+                                        scanArea: arguments["scanAreaHeight"] ?? 0,
                                         scanAreaOffset: arguments["scanAreaOffset"] ?? 0)
                 case "startScan":
                     self?.startScan(call.arguments as! Array<Int>, result)

lib/src/qr_code_scanner.dart

@@ -334,7 +334,8 @@ class QRViewController {
         await channel.invokeMethod('setDimensions', {
           'width': renderBox.size.width,
           'height': renderBox.size.height,
-          'scanArea': overlay?.cutOutWidth ?? 0, //Todo
+          'scanAreaWidth': overlay?.cutOutWidth ?? 0,
+          'scanAreaHeight': overlay?.cutOutHeight ?? 0,
           'scanAreaOffset': overlay?.cutOutBottomOffset ?? 0
         });
         return true;