Stop captureSession when data is returned from capture delegate (prev…

…ent multiple calls to delegate)

Added another error case
Update version

BarcodeScanner.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
   s.name             = "BarcodeScanner"
   s.summary          = "Simple and beautiful barcode scanner."
-  s.version          = "5.0.2"
+  s.version          = "5.0.3"
   s.homepage         = "https://github.com/hyperoslo/BarcodeScanner"
   s.license          = 'MIT'
   s.author           = { "Hyper Interaktiv AS" => "[email protected]" }

Sources/Controllers/BarcodeScannerViewController.swift

@@ -250,12 +250,16 @@ extension BarcodeScannerViewController: CameraViewControllerDelegate {
                             didOutput metadataObjects: [AVMetadataObject]) {
     guard !locked && isVisible else { return }
     guard !metadataObjects.isEmpty else { return }
-
+    controller.stopCapturing()
+
     guard
       let metadataObj = metadataObjects[0] as? AVMetadataMachineReadableCodeObject,
       var code = metadataObj.stringValue,
       metadata.contains(metadataObj.type)
-      else { return }
+      else {
+        errorDelegate?.scanner(self, didReceiveError: AVError.unknown as! Error)
+        return
+    }
 
     var rawType = metadataObj.type.rawValue