Barcode handler code cleanup

lib/barcode.dart

@@ -292,9 +292,6 @@ class StockItemBarcodeAssignmentHandler extends BarcodeHandler {
 
           failureTone();
 
-          // Close the barcode scanner
-          _controller?.dispose();
-
           Navigator.of(context).pop();
 
           showSnackIcon(
@@ -317,10 +314,6 @@ class StockItemBarcodeAssignmentHandler extends BarcodeHandler {
   }
 }
 
-
-
-
-
 class StockItemScanIntoLocationHandler extends BarcodeHandler {
   /*
    * Barcode handler for scanning a provided StockItem into a scanned StockLocation
@@ -338,7 +331,16 @@ class StockItemScanIntoLocationHandler extends BarcodeHandler {
     // If the barcode points to a 'stocklocation', great!
     if (data.containsKey('stocklocation')) {
       // Extract location information
-      int location = data['stocklocation']['pk'] as int;
+      int location = (data['stocklocation']['pk'] ?? -1) as int;
+
+      if (location == -1) {
+        showSnackIcon(
+          L10().invalidStockLocation,
+          success: false,
+        );
+
+        return;
+      }
 
       // Transfer stock to specified location
       final result = await item.transferStock(location);
@@ -347,9 +349,6 @@ class StockItemScanIntoLocationHandler extends BarcodeHandler {
 
         successTone();
 
-        // Close the scanner
-        _controller?.dispose();
-
         Navigator.of(context).pop();
 
         showSnackIcon(

pubspec.lock

@@ -475,7 +475,7 @@ packages:
       name: qr_code_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.1"
+    version: "0.5.2"
   quiver:
     dependency: transitive
     description:

pubspec.yaml

@@ -24,7 +24,7 @@ dependencies:
   cupertino_icons: ^1.0.3
   http: ^0.13.0
   cached_network_image: ^3.0.0            # Download and cache remote images
-  qr_code_scanner: ^0.5.1                 # Barcode scanning
+  qr_code_scanner: ^0.5.2                 # Barcode scanning
   package_info_plus: ^1.0.4               # App information introspection
   device_info_plus: ^2.1.0                # Information about the device
   font_awesome_flutter: ^9.1.0            # FontAwesome icon set