Made some corrections

app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt

@@ -33,6 +33,7 @@ class HemoCubeFragment : Fragment() {
     private var currentDeviceData: DeviceData? = null
     private var resultData: String = ""
     private var isUsingExistingBuffer = false
+    private var isTestOngoing = false
 
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?
@@ -60,12 +61,33 @@ class HemoCubeFragment : Fragment() {
         binding.btnSubmit.isEnabled = false
         binding.btnSubmit.isClickable = false
 
-        binding.btnBuffer.setOnClickListener { startBufferProcess() }
+//        binding.btnBuffer.setOnClickListener { startBufferProcess() }
 
         binding.btnKit.setOnClickListener {
-            resetKitCount()
+            if (isTestOngoing) {
-            val intent = Intent(context, KitScanActivity::class.java)
+                val title = "WARNING"
-            startActivity(intent)
+                val message = "There is a on going test, do you want to stop it"
+                val negativeText = getString(R.string.no)
+                val positiveText = "Yes"
+
+                UIUtils.createAlertDialog(requireContext(),
+                    title,
+                    message,
+                    negativeText,
+                    positiveText,
+                    object : MyDialogListener {
+                        override fun onClickNegativeButton() {
+
+                        }
+
+                        override fun onClickPositiveButton() {
+                            resetKitCount()
+                            val intent = Intent(context, KitScanActivity::class.java)
+                            startActivity(intent)
+                            (activity as HemocubeActivity).finish()
+                        }
+                    })
+            }
         }
     }
 
@@ -96,6 +118,10 @@ class HemoCubeFragment : Fragment() {
                 isOnline = isNetworkAvailable
             }
         }
+
+        hemoCubeViewModel.messages.observe(viewLifecycleOwner) {
+            binding.tvSubtitle4.text = it
+        }
     }
 
     private fun checkAndStartProcess() {
@@ -170,7 +196,8 @@ class HemoCubeFragment : Fragment() {
 
     private fun handleUsbData(stringData: String, fullReadOutput: StringBuilder) {
         if (stringData.contains("#")) {
-            binding.tvSubtitle4.text = stringData
+            hemoCubeViewModel.messages.postValue(stringData)
+            isTestOngoing = true
         }
 
         resultData += fullReadOutput.toString()
@@ -378,6 +405,7 @@ class HemoCubeFragment : Fragment() {
 
     private fun resetKitCount() {
         with(sharedPreferences.edit()) {
+            putString(Constants.KIT_NUMBER, "")
             putInt(Constants.KIT_COUNT, 0)
             apply()
         }

app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeViewModel.kt

@@ -31,6 +31,7 @@ class HemoCubeViewModel @Inject constructor(
     var isServiceConnected = false
     val progressBar = MutableLiveData(false)
     private val testDetails = DataHolder.selectedTest?.toHemoCubeTestData()
+    val messages = MutableLiveData<String>()
     private val sharedPreference: SharedPreferences = context.getSharedPreferences("PREFERENCE_NAME", Context.MODE_PRIVATE)
 
     // Get the device ID of the device you want to retrieve data for (e.g., the first device in the list)

app/src/main/res/layout/fragment_hemo_cube_reference.xml

@@ -60,7 +60,7 @@
 
         <Button
             android:id="@+id/btn_submit"
-            android:layout_width="216dp"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginHorizontal="16dp"
             android:layout_marginTop="24dp"
@@ -79,6 +79,7 @@
             android:layout_height="wrap_content"
             android:layout_marginHorizontal="24dp"
             android:layout_marginTop="16dp"
+            android:visibility="gone"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/btn_submit">
@@ -89,6 +90,7 @@
                 android:layout_height="wrap_content"
                 android:hint="@string/select_blood_group"
                 android:inputType="none"
+                android:visibility="gone"
                 android:labelFor="@id/til_blood_group"
                 app:simpleItems="@array/blood_group" />
 
@@ -98,23 +100,23 @@
             android:id="@+id/btn_kit"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            android:layout_margin="10dp"
             android:text="@string/new_kit"
             android:textColor="@color/white"
-            android:layout_margin="10dp"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toEndOf="@+id/btn_buffer" />
+            app:layout_constraintStart_toStartOf="parent" />
 
-        <Button
+<!--        <Button-->
-            android:id="@+id/btn_buffer"
+<!--            android:id="@+id/btn_buffer"-->
-            android:layout_width="wrap_content"
+<!--            android:layout_width="wrap_content"-->
-            android:layout_height="wrap_content"
+<!--            android:layout_height="wrap_content"-->
-            android:text="@string/new_buffer"
+<!--            android:text="@string/new_buffer"-->
-            android:textColor="@color/white"
+<!--            android:textColor="@color/white"-->
-            android:layout_margin="10dp"
+<!--            android:layout_margin="10dp"-->
-            app:layout_constraintBottom_toBottomOf="parent"
+<!--            app:layout_constraintBottom_toBottomOf="parent"-->
-            app:layout_constraintStart_toStartOf="parent"
+<!--            app:layout_constraintStart_toStartOf="parent"-->
-            app:layout_constraintEnd_toStartOf="@id/btn_kit"/>
+<!--            app:layout_constraintEnd_toStartOf="@id/btn_kit"/>-->
 
         <!--        <Button-->
         <!--            android:id="@+id/btn_read"-->