diff --git a/example/pubspec.lock b/example/pubspec.lock
index 6d82933..0ce2a21 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -140,10 +140,10 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: e3641ec5d63ebf0d9b41bd43201a66e3fc79a65db5f61fc181f04cd27aab950c
+      sha256: "23f08335362185a5ea2ad3a4e597f1375e78bce8a040df5c600c8d3552ef2394"
       url: "https://pub.dev"
     source: hosted
-    version: "1.16.0"
+    version: "1.17.0"
   path:
     dependency: transitive
     description:
@@ -264,10 +264,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: "522f00f556e73044315fa4585ec3270f1808a4b186c936e612cab0b565ff1e00"
+      sha256: ab2726c1a94d3176a45960b6234466ec367179b87dd74f1611adb1f3b5fb9d55
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.6"
+    version: "0.7.7"
   vector_math:
     dependency: transitive
     description:
diff --git a/ios/Classes/SwiftFlutterBarcodeScannerPlugin.swift b/ios/Classes/SwiftFlutterBarcodeScannerPlugin.swift
index 4087678..72cb241 100644
--- a/ios/Classes/SwiftFlutterBarcodeScannerPlugin.swift
+++ b/ios/Classes/SwiftFlutterBarcodeScannerPlugin.swift
@@ -47,8 +47,7 @@ let ONLY_BARCODE = [
   AVMetadataObject.ObjectType.upce];
 
 public class SwiftFlutterBarcodeScannerPlugin: NSObject, FlutterPlugin, ScanBarcodeDelegate,FlutterStreamHandler {
-    
-    public static var viewController = UIViewController()
+
     public static var lineColor:String=""
     public static var cancelButtonText:String=""
     public static var isShowFlashIcon:Bool=false
@@ -59,9 +58,18 @@ public class SwiftFlutterBarcodeScannerPlugin: NSObject, FlutterPlugin, ScanBarc
     public static var delayMillis:Int=0
     public static var delayTimer: Timer?
 
+    /// Get the root view controller safely
+    public static var viewController: UIViewController? {
+        if let windowScene = UIApplication.shared.connectedScenes.first as? UIWindowScene,
+           let rootVC = windowScene.windows.first?.rootViewController {
+            return rootVC
+        }
+        // Fallback for older iOS versions
+        return UIApplication.shared.delegate?.window??.rootViewController
+    }
+
 
     public static func register(with registrar: FlutterPluginRegistrar) {
-        viewController = (UIApplication.shared.delegate?.window??.rootViewController)!
         let channel = FlutterMethodChannel(name: "flutter_barcode_scanner", binaryMessenger: registrar.messenger())
         let instance = SwiftFlutterBarcodeScannerPlugin()
         registrar.addMethodCallDelegate(instance, channel: channel)
@@ -155,30 +163,29 @@ public class SwiftFlutterBarcodeScannerPlugin: NSObject, FlutterPlugin, ScanBarc
             controller.modalPresentationStyle = .fullScreen
         }
         
+        guard let viewController = SwiftFlutterBarcodeScannerPlugin.viewController else {
+            result("-1")
+            return
+        }
+
         if checkCameraAvailability(){
             if checkForCameraPermission() {
-                SwiftFlutterBarcodeScannerPlugin.viewController.present(controller
-                                                                        , animated: true) {
-                    
-                }
+                viewController.present(controller, animated: true)
             }else {
                 AVCaptureDevice.requestAccess(for: .video) { success in
                     DispatchQueue.main.async {
                         if success {
-                            SwiftFlutterBarcodeScannerPlugin.viewController.present(controller
-                                                                                    , animated: true) {
-                                
-                            }
+                            viewController.present(controller, animated: true)
                         } else {
                             let alert = UIAlertController(title: "Action needed", message: "Please grant camera permission to use barcode scanner", preferredStyle: .alert)
-                            
+
                             alert.addAction(UIAlertAction(title: "Grant", style: .default, handler: { action in
                                 UIApplication.shared.open(URL(string: UIApplication.openSettingsURLString)!)
                             }))
-                            
+
                             alert.addAction(UIAlertAction(title: "Cancel", style: .cancel))
-                            
-                            SwiftFlutterBarcodeScannerPlugin.viewController.present(alert, animated: true)
+
+                            viewController.present(alert, animated: true)
                         }
                     }
                 }}
@@ -193,10 +200,11 @@ public class SwiftFlutterBarcodeScannerPlugin: NSObject, FlutterPlugin, ScanBarc
     
     /// Show common alert dialog
     func showAlertDialog(title:String,message:String){
+        guard let viewController = SwiftFlutterBarcodeScannerPlugin.viewController else { return }
         let alertController = UIAlertController(title: title, message: message, preferredStyle: .alert)
         let alertAction = UIAlertAction(title: "Ok", style: .default, handler: nil)
         alertController.addAction(alertAction)
-        SwiftFlutterBarcodeScannerPlugin.viewController.present(alertController, animated: true, completion: nil)
+        viewController.present(alertController, animated: true, completion: nil)
     }
 }