bug: fixed barcodes not found on analyzeImage

@@ -220,16 +220,19 @@ public class SwiftMobileScannerPlugin: NSObject, FlutterPlugin {
                                 details: nil))
                                 details: nil))
             return
             return
         }
         }
+
         mobileScanner.analyzeImage(image: uiImage!, position: AVCaptureDevice.Position.back, callback: { [self] barcodes, error in
         mobileScanner.analyzeImage(image: uiImage!, position: AVCaptureDevice.Position.back, callback: { [self] barcodes, error in
-            if error == nil && barcodes != nil {
-                for barcode in barcodes! {
-                    let event: [String: Any?] = ["name": "barcode", "data": barcode.data]
+            if error == nil && barcodes != nil && !barcodes!.isEmpty {
+                let barcodesMap = barcodes!.compactMap { barcode in barcode.data }
+                let event: [String: Any?] = ["name": "barcode", "data": barcodesMap]
                 barcodeHandler.publishEvent(event)
                 barcodeHandler.publishEvent(event)
-                }
-            } else if error != nil {
+                result(true)
+            } else {
+                if error != nil {
                     barcodeHandler.publishEvent(["name": "error", "message": error?.localizedDescription])
                     barcodeHandler.publishEvent(["name": "error", "message": error?.localizedDescription])
                 }
                 }
+                result(false)
+            }
         })
         })
-        result(nil)
     }
     }
 }
 }