diff --git a/app/src/main/java/com/example/hpostesting/presentation/KitScanActivity.kt b/app/src/main/java/com/example/hpostesting/presentation/KitScanActivity.kt
index cb9eb40..4aafcc7 100644
--- a/app/src/main/java/com/example/hpostesting/presentation/KitScanActivity.kt
+++ b/app/src/main/java/com/example/hpostesting/presentation/KitScanActivity.kt
@@ -223,26 +223,40 @@ class KitScanActivity : AppCompatActivity(), IDcsSdkApiDelegate {
             notifications_mask or DCSSDKDefs.DCSSDK_EVENT.DCSSDK_EVENT_BARCODE.value
         sdkHandler!!.dcssdkSubsribeForEvents(notifications_mask)
         mScannerInfoList.addAll(sdkHandler!!.dcssdkGetAvailableScannersList())
-        sdkHandler!!.dcssdkEstablishCommunicationSession(mScannerInfoList[0].scannerID)
+        Log.e("scannersize",sdkHandler!!.dcssdkGetAvailableScannersList().size.toString())
+        if (mScannerInfoList.isNotEmpty()) {
+            sdkHandler!!.dcssdkEstablishCommunicationSession(mScannerInfoList[0].scannerID)
+        } else {
+            Toast.makeText(this,"Error", Toast.LENGTH_LONG).show()
+        }
+
     }
 
-    fun pullTrigger() {
-        if (!mScannerInfoList[0].isActive) {
-            sdkHandler!!.dcssdkEstablishCommunicationSession(mScannerInfoList[0].scannerID)
+    private fun pullTrigger() {
+        // Check if the list is not empty before accessing its elements
+        if (mScannerInfoList.isNotEmpty()) {
+            // Only proceed if the scanner is not active
+            if (!mScannerInfoList[0].isActive) {
+                sdkHandler?.dcssdkEstablishCommunicationSession(mScannerInfoList[0].scannerID)
+            }
+            val inXML = "<inArgs><scannerID> 1 </scannerID></inArgs>"
+            val outXML = StringBuilder()
+            val result: DCSSDK_RESULT =
+                sdkHandler!!.dcssdkExecuteCommandOpCodeInXMLForScanner(
+                    DCSSDK_COMMAND_OPCODE.DCSSDK_DEVICE_PULL_TRIGGER, inXML, outXML, mScannerInfoList[0].scannerID // Ensure you're using the correct scanner ID
+                )
+            if (result == DCSSDK_RESULT.DCSSDK_RESULT_SUCCESS) {
+                Log.d("Scanning", "Success")
+            } else if (result == DCSSDK_RESULT.DCSSDK_RESULT_FAILURE) {
+                Log.d("Scanning", "Failed")
+            }
+        } else {
+            // Handle the case where the list is empty, perhaps notify the user or log an error
+            Log.e("ScannerError", "No scanners are connected or available.")
         }
-        val inXML = "<inArgs><scannerID> 1 </scannerID></inArgs>"
-        val outXML = StringBuilder()
-        val result: DCSSDK_RESULT =
-            sdkHandler!!.dcssdkExecuteCommandOpCodeInXMLForScanner(
-                DCSSDK_COMMAND_OPCODE.DCSSDK_DEVICE_PULL_TRIGGER, inXML, outXML, 1
-            )
-        if (result == DCSSDK_RESULT.DCSSDK_RESULT_SUCCESS) Log.d(
-            "Scanning",
-            "Success"
-        ) else if (result == DCSSDK_RESULT.DCSSDK_RESULT_FAILURE) Log.d("Scanning", "Failed")
-        //new MyAsyncTask(1, DCSSDKDefs.DCSSDK_COMMAND_OPCODE.DCSSDK_DEVICE_PULL_TRIGGER,null).execute(inXML);
     }
 
+
     //this function is called if barcode is detected.
     override fun dcssdkEventBarcode(barcodeData: ByteArray?, barcodeType: Int, fromScannerID: Int) {
         val result = String(barcodeData!!)