fix bug with context mounted

Navaron Bracke
Commit e7d6b2b3a18c1cdb83d55027a344498e85cad7db e7d6b2b3 1 parent 7975e227
Showing 1 changed file with 4 additions and 0 deletions
example/lib/barcode_scanner_zoom.dart
--- a/example/lib/barcode_scanner_zoom.dart
View file @e7d6b2b
+++ b/example/lib/barcode_scanner_zoom.dart
View file @e7d6b2b
@@ -29,6 +29,10 @@ class _BarcodeScannerWithZoomState extends State<BarcodeScannerWithZoom>
   void initState() {
     super.initState();
     _barcodesSubscription = controller.barcodes.listen((event) {
+       if (!context.mounted) {
+         return;
+       }
+ 
       setState(() {
         barcode = event;
       });