Merge branch 'master' into develop

# Conflicts:
#	CHANGELOG.md
#	pubspec.yaml

Author: juliansteenbakker

CHANGELOG.md

@@ -115,6 +115,9 @@ Known issues:
 * [Apple] The scan window does not work correctly.
 * [Apple] The camera flash briefly shows when the camera is started.
 
+## 6.0.9
+Fixed onDetect not working when a `MobileScannerController` is provided.
+
 ## 6.0.8
 Improvements:
 * [Android] Remove the dependency on `org.jetbrains.kotlin:kotlin-bom`.

lib/src/mobile_scanner.dart

@@ -288,12 +288,16 @@ class _MobileScannerState extends State<MobileScanner>
 
     if (widget.controller == null) {
       WidgetsBinding.instance.addObserver(this);
+    }
+
+    if (widget.onDetect != null) {
       _subscription = controller.barcodes.listen(
         widget.onDetect,
         onError: widget.onDetectError,
         cancelOnError: false,
       );
     }
+
     if (controller.autoStart) {
       await controller.start();
     }