let analyzeImage return the barcode directly from native

@@ -78,7 +78,7 @@ class MobileScanner(
         scanner.process(inputImage)
             .addOnSuccessListener { barcodes ->
                 if (detectionSpeed == DetectionSpeed.NO_DUPLICATES) {
-                    val newScannedBarcodes = barcodes.mapNotNull({ barcode -> barcode.rawValue }).sorted()
+                    val newScannedBarcodes = barcodes.mapNotNull { barcode -> barcode.rawValue }.sorted()
                     if (newScannedBarcodes == lastScanned) {
                         // New scanned is duplicate, returning
                         return@addOnSuccessListener
@@ -424,7 +424,7 @@ class MobileScanner(
     /**
      * Analyze a single image.
      */
-    fun analyzeImage(image: Uri, analyzerCallback: AnalyzerCallback) {
+    fun analyzeImage(image: Uri, onSuccess: AnalyzerSuccessCallback, onError: AnalyzerErrorCallback) {
         val inputImage = InputImage.fromFilePath(activity, image)
 
         scanner.process(inputImage)
@@ -432,15 +432,13 @@ class MobileScanner(
                 val barcodeMap = barcodes.map { barcode -> barcode.data }
 
                 if (barcodeMap.isNotEmpty()) {
-                    analyzerCallback(barcodeMap)
+                    onSuccess(barcodeMap)
                 } else {
-                    analyzerCallback(null)
+                    onSuccess(null)
                 }
             }
             .addOnFailureListener { e ->
-                mobileScannerErrorCallback(
-                    e.localizedMessage ?: e.toString()
-                )
+                onError(e.localizedMessage ?: e.toString())
             }
     }
 

@@ -3,7 +3,8 @@ package dev.steenbakker.mobile_scanner
 import dev.steenbakker.mobile_scanner.objects.MobileScannerStartParameters
 
 typealias MobileScannerCallback = (barcodes: List<Map<String, Any?>>, image: ByteArray?, width: Int?, height: Int?) -> Unit
-typealias AnalyzerCallback = (barcodes: List<Map<String, Any?>>?) -> Unit
+typealias AnalyzerErrorCallback = (message: String) -> Unit
+typealias AnalyzerSuccessCallback = (barcodes: List<Map<String, Any?>>?) -> Unit
 typealias MobileScannerErrorCallback = (error: String) -> Unit
 typealias TorchStateCallback = (state: Int) -> Unit
 typealias ZoomScaleStateCallback = (zoomScale: Double) -> Unit

@@ -26,16 +26,19 @@ class MobileScannerHandler(
     private val addPermissionListener: (RequestPermissionsResultListener) -> Unit,
     textureRegistry: TextureRegistry): MethodChannel.MethodCallHandler {
 
-    private val analyzerCallback: AnalyzerCallback = { barcodes: List<Map<String, Any?>>?->
-        if (barcodes != null) {
-            barcodeHandler.publishEvent(mapOf(
-                "name" to "barcode",
-                "data" to barcodes
-            ))
+    private val analyzeImageErrorCallback: AnalyzerErrorCallback = {
+        Handler(Looper.getMainLooper()).post {
+            analyzerResult?.error("MobileScanner", it, null)
+            analyzerResult = null
+        }
     }
 
+    private val analyzeImageSuccessCallback: AnalyzerSuccessCallback = {
         Handler(Looper.getMainLooper()).post {
-            analyzerResult?.success(barcodes != null)
+            analyzerResult?.success(mapOf(
+                "name" to "barcode",
+                "data" to it
+            ))
             analyzerResult = null
         }
     }
@@ -236,7 +239,8 @@ class MobileScannerHandler(
     private fun analyzeImage(call: MethodCall, result: MethodChannel.Result) {
         analyzerResult = result
         val uri = Uri.fromFile(File(call.arguments.toString()))
-        mobileScanner!!.analyzeImage(uri, analyzerCallback)
+
+        mobileScanner!!.analyzeImage(uri, analyzeImageSuccessCallback, analyzeImageErrorCallback)
     }
 
     private fun toggleTorch(call: MethodCall, result: MethodChannel.Result) {

@@ -245,12 +245,12 @@ public class MobileScannerPlugin: NSObject, FlutterPlugin {
             return
         }
 
-        mobileScanner.analyzeImage(image: uiImage!, position: AVCaptureDevice.Position.back, callback: { [self] barcodes, error in
+        mobileScanner.analyzeImage(image: uiImage!, position: AVCaptureDevice.Position.back, callback: { barcodes, error in
             if error != nil {
-                barcodeHandler.publishEvent(["name": "error", "message": error?.localizedDescription])
-                
                 DispatchQueue.main.async {
-                    result(false)
+                    result(FlutterError(code: "MobileScanner",
+                                        message: error?.localizedDescription,
+                                        details: nil))
                 }
                 
                 return
@@ -258,15 +258,13 @@ public class MobileScannerPlugin: NSObject, FlutterPlugin {
             
             if (barcodes == nil || barcodes!.isEmpty) {
                 DispatchQueue.main.async {
-                    result(false)
+                    result(nil)
                 }
             } else {
                 let barcodesMap: [Any?] = barcodes!.compactMap { barcode in barcode.data }
-                let event: [String: Any?] = ["name": "barcode", "data": barcodesMap]
-                barcodeHandler.publishEvent(event)
                 
                 DispatchQueue.main.async {
-                    result(true)
+                    result(["name": "barcode", "data": barcodesMap])
                 }
             }
         })