diff --git a/example/lib/barcode_list_scanner_controller.dart b/example/lib/barcode_list_scanner_controller.dart
index e8c81ec5e..e1a4f39aa 100644
--- a/example/lib/barcode_list_scanner_controller.dart
+++ b/example/lib/barcode_list_scanner_controller.dart
@@ -154,7 +154,7 @@ class _BarcodeListScannerWithControllerState
                           );
                           if (image != null) {
                             if (await controller.analyzeImage(image.path)) {
-                              if (!mounted) return;
+                              if (!context.mounted) return;
                               ScaffoldMessenger.of(context).showSnackBar(
                                 const SnackBar(
                                   content: Text('Barcode found!'),
@@ -162,7 +162,7 @@ class _BarcodeListScannerWithControllerState
                                 ),
                               );
                             } else {
-                              if (!mounted) return;
+                              if (!context.mounted) return;
                               ScaffoldMessenger.of(context).showSnackBar(
                                 const SnackBar(
                                   content: Text('No barcode found!'),
diff --git a/example/lib/barcode_scanner_controller.dart b/example/lib/barcode_scanner_controller.dart
index 9e1221d21..8aac24bbf 100644
--- a/example/lib/barcode_scanner_controller.dart
+++ b/example/lib/barcode_scanner_controller.dart
@@ -170,7 +170,7 @@ class _BarcodeScannerWithControllerState
                           );
                           if (image != null) {
                             if (await controller.analyzeImage(image.path)) {
-                              if (!mounted) return;
+                              if (!context.mounted) return;
                               ScaffoldMessenger.of(context).showSnackBar(
                                 const SnackBar(
                                   content: Text('Barcode found!'),
@@ -178,7 +178,7 @@ class _BarcodeScannerWithControllerState
                                 ),
                               );
                             } else {
-                              if (!mounted) return;
+                              if (!context.mounted) return;
                               ScaffoldMessenger.of(context).showSnackBar(
                                 const SnackBar(
                                   content: Text('No barcode found!'),
diff --git a/example/lib/barcode_scanner_zoom.dart b/example/lib/barcode_scanner_zoom.dart
index b6986fec3..665968b2d 100644
--- a/example/lib/barcode_scanner_zoom.dart
+++ b/example/lib/barcode_scanner_zoom.dart
@@ -171,7 +171,7 @@ class _BarcodeScannerWithZoomState extends State<BarcodeScannerWithZoom>
                               );
                               if (image != null) {
                                 if (await controller.analyzeImage(image.path)) {
-                                  if (!mounted) return;
+                                  if (!context.mounted) return;
                                   ScaffoldMessenger.of(context).showSnackBar(
                                     const SnackBar(
                                       content: Text('Barcode found!'),
@@ -179,7 +179,7 @@ class _BarcodeScannerWithZoomState extends State<BarcodeScannerWithZoom>
                                     ),
                                   );
                                 } else {
-                                  if (!mounted) return;
+                                  if (!context.mounted) return;
                                   ScaffoldMessenger.of(context).showSnackBar(
                                     const SnackBar(
                                       content: Text('No barcode found!'),