Calculated ratio error code added

app/src/main/AndroidManifest.xml

@@ -13,8 +13,11 @@
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+
     <uses-feature android:name="android.hardware.usb.host" />
+
     <uses-permission android:name="android.permission.USB_PERMISSION" />
+
     <application
         android:name="com.example.hpostesting.HPOSTestingApplication"
         android:allowBackup="true"
@@ -26,6 +29,11 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.HPOSTesting"
         tools:targetApi="31">
+        <activity
+            android:name="com.example.hpostesting.presentation.BloodCollectingMethodActivity"
+            android:exported="true"
+            android:noHistory="true"
+            android:theme="@style/Theme.HPOS.NoActionBar" />
         <activity
             android:name="com.example.hpostesting.presentation.hemocube.HemocubeActivity"
             android:exported="false"

app/src/main/java/com/example/hpostesting/data/constant/Constants.kt

@@ -55,4 +55,8 @@ object Constants {
     const val KIT_COUNT = "KitCount"
     const val BUFFER_VALUE_1 = "BufferValue1"
     const val BUFFER_VALUE_2 = "BufferValue2"
+
+    const val BLOOD_COLLECTING_METHOD = "bloodCollectingMethod"
+    const val VENOUS_BLOOD = "venousBlood"
+    const val FINGER_PRICK_BLOOD = "fingerPrickBlood"
 }

app/src/main/java/com/example/hpostesting/presentation/BloodCollectingMethodActivity.kt

@@ -0,0 +1,57 @@
+package com.example.hpostesting.presentation
+
+import android.content.Intent
+import android.os.Bundle
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import com.example.hpostesting.data.DataHolder
+import com.example.hpostesting.data.constant.Constants
+import com.example.hpostesting.presentation.hemocube.HemocubeActivity
+import com.example.hpostesting.presentation.testRight.TestRightActivity
+import `in`.sminnovations.hpostesting.databinding.ActivityBloodCollectingMethodBinding
+
+class BloodCollectingMethodActivity : AppCompatActivity() {
+
+    private lateinit var binding: ActivityBloodCollectingMethodBinding
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = ActivityBloodCollectingMethodBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+        init()
+    }
+
+    private fun init() {
+        setSupportActionBar(binding.toolbar)
+        binding.btnGo.setOnClickListener {
+            DataHolder.usbConnected.observe(this) {
+                if (it) {
+                    if (binding.venousBloodRadioButton.isChecked) {
+                        moveToNext(Constants.VENOUS_BLOOD)
+                    } else {
+                        moveToNext(Constants.FINGER_PRICK_BLOOD)
+                    }
+                } else {
+                    Toast.makeText(this, "No Device Connected", Toast.LENGTH_SHORT).show()
+                }
+            }
+        }
+    }
+
+    private fun moveToNext(bloodCollectingMethod: String) {
+        DataHolder.deviceType.observe(this) { deviceType ->
+            when (deviceType) {
+                Constants.DEVICE_TYPE_HOMOCUBE -> {
+                    val intent = Intent(applicationContext, HemocubeActivity::class.java)
+                    intent.putExtra(Constants.BLOOD_COLLECTING_METHOD, bloodCollectingMethod)
+                    startActivity(intent)
+                }
+
+                Constants.DEVICE_TYPE_TEST_RIGHT -> {
+                    val intent = Intent(applicationContext, TestRightActivity::class.java)
+                    intent.putExtra(Constants.BLOOD_COLLECTING_METHOD, bloodCollectingMethod)
+                    startActivity(intent)
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/example/hpostesting/presentation/KitScanActivity.kt

@@ -10,8 +10,6 @@ import androidx.appcompat.app.AppCompatActivity
 import com.example.hpostesting.data.DataHolder
 import com.example.hpostesting.data.constant.Constants
 import com.example.hpostesting.presentation.dashboard.DashboardActivity
-import com.example.hpostesting.presentation.hemocube.HemocubeActivity
-import com.example.hpostesting.presentation.testRight.TestRightActivity
 import com.journeyapps.barcodescanner.ScanContract
 import com.journeyapps.barcodescanner.ScanIntentResult
 import com.journeyapps.barcodescanner.ScanOptions
@@ -107,20 +105,8 @@ class KitScanActivity : AppCompatActivity() {
     }
 
     private fun moveToNext() {
-
-        DataHolder.deviceType.observe(this) { deviceType ->
-            when (deviceType) {
-                Constants.DEVICE_TYPE_HOMOCUBE -> {
-                    val i = Intent(applicationContext, HemocubeActivity::class.java)
-                    startActivity(i)
-                }
-
-                Constants.DEVICE_TYPE_TEST_RIGHT -> {
-                    val i = Intent(applicationContext, TestRightActivity::class.java)
-                    startActivity(i)
-                }
-            }
-        }
+        val i = Intent(applicationContext, BloodCollectingMethodActivity::class.java)
+        startActivity(i)
     }
 
     private fun startScanningNow() {

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

@@ -21,6 +21,7 @@ import com.example.hpostesting.presentation.UsbServiceListener
 import com.example.hpostesting.presentation.dashboard.DashboardActivity
 import com.example.hpostesting.presentation.utils.MyDialogListener
 import com.example.hpostesting.presentation.utils.UIUtils
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.firebase.firestore.FirebaseFirestore
 import com.google.firebase.firestore.ktx.firestore
 import com.google.firebase.ktx.Firebase
@@ -43,7 +44,6 @@ class HemoCubeFragment : Fragment() {
     private var resultData: String = ""
     private var isUsingExistingBuffer = false
     private var isTestOngoing = false
-    private var bloodGroup: String = ""
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?
     ): View {
@@ -242,8 +242,6 @@ class HemoCubeFragment : Fragment() {
         resultData += fullReadOutput.toString()
 
         when {
-            stringData.contains("ERROR 500") -> showError500Dialog()
-            stringData.contains("ERROR 501") -> showError501Dialog()
             stringData.contains("#Buffer Completed") -> showStartSampleDialog()
             stringData.contains("#Sample Completed") -> {
                 activity?.runOnUiThread {
@@ -272,38 +270,6 @@ class HemoCubeFragment : Fragment() {
         }
     }
 
-    private fun showError500Dialog() {
-        UIUtils.createAlertDialog(requireContext(),
-            "BUFFER ERROR",
-            "Do you want to continue with existing buffer?",
-            getString(R.string.noo),
-            "Yes",
-            object : MyDialogListener {
-                override fun onClickNegativeButton() {}
-
-                override fun onClickPositiveButton() {
-                    listenToHemoCube()
-                    startBufferProcess()
-                }
-            })
-    }
-
-    private fun showError501Dialog() {
-        UIUtils.createAlertDialog(requireContext(),
-            "SAMPLE ERROR",
-            "Do you want to continue with Sample?",
-            getString(R.string.noo),
-            "Yes",
-            object : MyDialogListener {
-                override fun onClickNegativeButton() {}
-
-                override fun onClickPositiveButton() {
-                    listenToHemoCube()
-                    startSampleProcess()
-                }
-            })
-    }
-
     private fun showStartSampleDialog() {
         activity?.runOnUiThread {
             UIUtils.createAlertDialog(requireContext(),
@@ -324,62 +290,188 @@ class HemoCubeFragment : Fragment() {
     private fun handleValidResult(validString: String, fullReadOutput: String) {
         try {
             val result = validString.split(" ")
-            if (result.size == 8) {
-                val deviceSerialNo = result[2]
-                val led1BufferForDevice = if (isUsingExistingBuffer) {
-                    sharedPreferences.getString(Constants.BUFFER_VALUE_1, "")?.toDoubleOrNull()
-                } else {
-                    result[3].toDoubleOrNull()
-                }
-                val led2BufferForDevice = if (isUsingExistingBuffer) {
-                    sharedPreferences.getString(Constants.BUFFER_VALUE_2, "")?.toDoubleOrNull()
-                } else {
-                    result[4].toDoubleOrNull()
-                }
-                val version = BuildConfig.VERSION_NAME
-                val led1Sample = result[5].toDoubleOrNull()
-                val led2Sample = result[6].toDoubleOrNull()
-                val led1Average = log10(led1BufferForDevice?.div(led1Sample!!) ?: 0.0)
-                val led2Average = log10(led2BufferForDevice?.div(led2Sample!!) ?: 0.0)
-                val deviceRatio = led1Average / led2Average
-                if (led1BufferForDevice!! > 20000 && led1BufferForDevice < 24000 && led2BufferForDevice!! > 20000 && led2BufferForDevice < 24000) {
-                    if (led1Sample!! < led1BufferForDevice && led1Sample < 24000 && led2Sample!! < led2BufferForDevice && led2Sample < 24000) {
-                        if (deviceRatio < 0.08) {
-                            if (deviceRatio > 1.07) {
+            if (result.size != 8) return
 
-                            }
-                        }
-                    }
-                }
-                DataHolder.hemoCubeTestData?.apply {
-                    deviceId = deviceSerialNo
-                    led1Buffer = led1BufferForDevice
-                    led2Buffer = led2BufferForDevice
-                    appVersion = version
-                    this.led1Sample = led1Sample
-                    this.led2Sample = led2Sample
-                    this.led1Average = led1Average
-                    this.led2Average = led2Average
-                    this.deviceRatio = deviceRatio
-                    this.calculatedRatio = calculateRatio(deviceRatio)
-                    this.resultData = fullReadOutput
-                    if (!isBufferValueAvailable()) {
-                        with(sharedPreferences.edit()) {
-                            putString(Constants.BUFFER_VALUE_1, led1Buffer.toString())
-                            putString(Constants.BUFFER_VALUE_2, led2Buffer.toString())
-                            apply()
-                        }
-                    }
-                    hemoCubeViewModel.uploadHemoCubeResultToDatabase(
-                        isOnline, true, sharedPreferences.getString(Constants.KIT_NUMBER, "")
+            val deviceSerialNo = result[2]
+            val led1BufferForDevice =
+                getLedBufferValue(isUsingExistingBuffer, Constants.BUFFER_VALUE_1, result[3])
+            val led2BufferForDevice =
+                getLedBufferValue(isUsingExistingBuffer, Constants.BUFFER_VALUE_2, result[4])
+            val version = BuildConfig.VERSION_NAME
+            val led1Sample = result[5].toDoubleOrNull()
+            val led2Sample = result[6].toDoubleOrNull()
+
+            val led1Average = calculateAverage(led1BufferForDevice, led1Sample)
+            val led2Average = calculateAverage(led2BufferForDevice, led2Sample)
+            val deviceRatio = led1Average / led2Average
+            val calculatedRatio = calculateRatio(deviceRatio)
+            val isBufferValid = validateBuffer(led1BufferForDevice, led2BufferForDevice)
+            val isSampleValid =
+                validateSample(led1Sample, led1BufferForDevice, led2Sample, led2BufferForDevice)
+            val isCalculatedRatioValid = validateCalculatedRatio(deviceRatio)
+
+            when {
+                !isBufferValid -> showError(
+                    "Buffer error",
+                    "Check for Empty curved, disconnected and reconnect the device, and please retest this sample again with a new blank"
+                )
+
+                !isSampleValid -> showError(
+                    "Sample error",
+                    "Check for Empty curved, disconnected and reconnect the device, and please retest this sample again with a new blank"
+                )
+
+                !validateBloodVolume(led1Average, led2Average) -> {
+                    showError(
+                        "Low Blood Volume",
+                        "Please retest this sample with a higher volume of blood"
                     )
                 }
+
+                !validateHighBloodVolume(led1Average, led2Average) -> {
+                    showError(
+                        "High Blood Volume",
+                        "Please retest this sample by diluting the sample in the buffer"
+                    )
+                }
+
+                !isCalculatedRatioValid -> showError(
+                    "calculated Ratio error",
+                    "Check for Empty curved, disconnected and reconnect the device, and please retest this sample again with a new blank"
+                )
+
+                else -> processValidData(
+                    deviceSerialNo,
+                    led1BufferForDevice,
+                    led2BufferForDevice,
+                    version,
+                    led1Sample,
+                    led2Sample,
+                    led1Average,
+                    led2Average,
+                    deviceRatio,
+                    fullReadOutput,
+                    calculatedRatio
+                )
             }
 
         } catch (_: Exception) {
-
+            // handle exception or log it if necessary
         }
+    }
 
+    private fun getLedBufferValue(
+        usingExistingBuffer: Boolean, bufferConstant: String, resultValue: String
+    ): Double? {
+        return if (usingExistingBuffer) {
+            sharedPreferences.getString(bufferConstant, "")?.toDoubleOrNull()
+        } else {
+            resultValue.toDoubleOrNull()
+        }
+    }
+
+    private fun calculateAverage(bufferForDevice: Double?, sample: Double?): Double {
+        return log10(bufferForDevice?.div(sample ?: 1.0) ?: 0.0)
+    }
+
+    private fun validateBuffer(led1Buffer: Double?, led2Buffer: Double?): Boolean {
+        return led1Buffer!! in 20001.0..23999.0 && led2Buffer!! in 20001.0..23999.0
+    }
+
+    private fun validateSample(
+        sample1: Double?, buffer1: Double?, sample2: Double?, buffer2: Double?
+    ): Boolean {
+        return sample1 != null && sample1 < buffer1!! && sample1 < 24000 && sample2 != null && sample2 < buffer2!! && sample2 < 24000
+    }
+
+    private fun validateBloodVolume(average1: Double, average2: Double): Boolean {
+        return average1 > 0.08 && average2 > 0.08
+    }
+
+    private fun validateCalculatedRatio(deviceRatio: Double): Boolean {
+        return deviceRatio > 0.08 && deviceRatio < 0.3
+    }
+
+    private fun validateHighBloodVolume(average1: Double, average2: Double): Boolean {
+        return average1 < 1.07 && average2 < 1.07
+    }
+
+    private fun showError(title: String, message: String) {
+        customErrorDialogBox(title, message)
+    }
+
+    private fun processValidData(
+        deviceId: String,
+        led1Buffer: Double?,
+        led2Buffer: Double?,
+        appVersion: String,
+        led1Sample: Double?,
+        led2Sample: Double?,
+        led1Average: Double,
+        led2Average: Double,
+        deviceRatio: Double,
+        resultData: String,
+        calculatedRatio: Double
+    ) {
+        val threshold =
+            if ((activity as HemocubeActivity).bloodCollectingMethod == Constants.FINGER_PRICK_BLOOD) 0.05 else 0.06
+
+        if (led1Average > threshold) {
+            DataHolder.hemoCubeTestData?.apply {
+                this.deviceId = deviceId
+                this.led1Buffer = led1Buffer
+                this.led2Buffer = led2Buffer
+                this.appVersion = appVersion
+                this.led1Sample = led1Sample
+                this.led2Sample = led2Sample
+                this.led1Average = led1Average
+                this.led2Average = led2Average
+                this.deviceRatio = deviceRatio
+                this.calculatedRatio = calculatedRatio
+                this.resultData = resultData
+
+                if (!isBufferValueAvailable()) {
+                    with(sharedPreferences.edit()) {
+                        putString(Constants.BUFFER_VALUE_1, led1Buffer.toString())
+                        putString(Constants.BUFFER_VALUE_2, led2Buffer.toString())
+                        apply()
+                    }
+                }
+                hemoCubeViewModel.uploadHemoCubeResultToDatabase(
+                    isOnline, true, sharedPreferences.getString(Constants.KIT_NUMBER, "")
+                )
+            }
+        } else {
+            showError(
+                "Low Blood Volume",
+                "Please repeat the test with 10 µl of blood added to 1 ml of buffer"
+            )
+        }
+    }
+
+    private fun customErrorDialogBox(title: String, message: String) {
+        activity?.runOnUiThread {
+            MaterialAlertDialogBuilder(requireContext()).setTitle(title).setMessage(message)
+                .setPositiveButton("OK") { dialog, _ ->
+                    if (title == "Buffer error" || title == "Sample error") {
+                        with(sharedPreferences.edit()) {
+                            putString(Constants.BUFFER_VALUE_1, "")
+                            putString(Constants.BUFFER_VALUE_2, "")
+                            apply()
+                        }
+                        finishTestingActivity()
+                    } else {
+                        finishTestingActivity()
+                    }
+                    dialog.dismiss()
+                }.show()
+        }
+    }
+
+    private fun finishTestingActivity() {
+        val i = Intent(requireContext().applicationContext, DashboardActivity::class.java)
+        startActivity(i)
+        (activity as HemocubeActivity).finish()
     }
 
     private fun showToast(message: String) {

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

@@ -3,7 +3,6 @@ package com.example.hpostesting.presentation.hemocube
 import android.app.PendingIntent
 import android.content.BroadcastReceiver
 import android.content.ComponentName
-import android.content.ContentValues.TAG
 import android.content.Context
 import android.content.Intent
 import android.content.IntentFilter
@@ -11,29 +10,23 @@ import android.content.ServiceConnection
 import android.hardware.usb.UsbDevice
 import android.hardware.usb.UsbDeviceConnection
 import android.hardware.usb.UsbManager
-import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.os.IBinder
 import android.util.Log
 import android.view.Menu
 import android.widget.Toast
 import androidx.activity.viewModels
+import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.ContextCompat
 import androidx.core.view.get
 import com.example.hpostesting.data.DataHolder
 import com.example.hpostesting.data.constant.Constants
-import com.example.hpostesting.presentation.testRight.TestRightExpReference
-import com.example.hpostesting.presentation.testRight.TestRightExpSample
-import com.example.hpostesting.presentation.testRight.TestRightViewModel
 import com.example.hpostesting.presentation.testRight.UsbService
-import com.google.android.gms.location.FusedLocationProviderClient
-import com.google.android.gms.location.LocationCallback
 import com.hoho.android.usbserial.driver.UsbSerialDriver
 import com.hoho.android.usbserial.driver.UsbSerialProber
 import dagger.hilt.android.AndroidEntryPoint
 import `in`.sminnovations.hpostesting.R
 import `in`.sminnovations.hpostesting.databinding.ActivityHemocubeBinding
-import `in`.sminnovations.hpostesting.databinding.ActivityMainBinding
 
 @AndroidEntryPoint
 class HemocubeActivity : AppCompatActivity() {
@@ -47,6 +40,8 @@ class HemocubeActivity : AppCompatActivity() {
 
     private val TAG = "HemoCube"
 
+    var bloodCollectingMethod = ""
+
     private val broadcastReceiver = object : BroadcastReceiver() {
         override fun onReceive(context: Context, intent: Intent) {
 
@@ -84,6 +79,7 @@ class HemocubeActivity : AppCompatActivity() {
         super.onCreate(savedInstanceState)
         binding = ActivityHemocubeBinding.inflate(layoutInflater)
         setContentView(binding.root)
+        bloodCollectingMethod = intent.getStringExtra(Constants.BLOOD_COLLECTING_METHOD).toString()
         setSupportActionBar(binding.myToolbar)
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
         setupListener()
@@ -91,12 +87,14 @@ class HemocubeActivity : AppCompatActivity() {
     }
 
     private fun setupListener() {
-        DataHolder.usbConnected.observe(this){
+        DataHolder.usbConnected.observe(this) {
             Log.d("USB OBSERVE", "HemoCube called -> $it")
-            if (it){
-                myMenu?.get(0)?.icon = ContextCompat.getDrawable(this, R.drawable.ic_baseline_usb_24)
+            if (it) {
+                myMenu?.get(0)?.icon =
+                    ContextCompat.getDrawable(this, R.drawable.ic_baseline_usb_24)
             } else {
-                myMenu?.get(0)?.icon = ContextCompat.getDrawable(this, R.drawable.ic_baseline_usb_off_24)
+                myMenu?.get(0)?.icon =
+                    ContextCompat.getDrawable(this, R.drawable.ic_baseline_usb_off_24)
                 Toast.makeText(this, "Device is Disconnected", Toast.LENGTH_SHORT).show()
             }
         }
@@ -123,16 +121,15 @@ class HemocubeActivity : AppCompatActivity() {
 
 
     private fun requestUserPermission(manager: UsbManager, device: UsbDevice) {
-        val mPendingIntent: PendingIntent
-        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.S) {
-            mPendingIntent = PendingIntent.getBroadcast(
+        val mPendingIntent: PendingIntent = if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.S) {
+            PendingIntent.getBroadcast(
                 this,
                 0,
                 Intent(Constants.HOMOCUBE_USB_PERMISSION),
                 PendingIntent.FLAG_MUTABLE
             )
         } else {
-            mPendingIntent = PendingIntent.getBroadcast(
+            PendingIntent.getBroadcast(
                 this,
                 0,
                 Intent(Constants.HOMOCUBE_USB_PERMISSION),
@@ -169,6 +166,7 @@ class HemocubeActivity : AppCompatActivity() {
         menuInflater.inflate(R.menu.my_menu, menu)
         return true
     }
+
     override fun onDestroy() {
         super.onDestroy()
         if (viewModel.isServiceConnected) {

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

@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="com.example.hpostesting.presentation.BloodCollectingMethodActivity">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:id="@+id/app_bar_layout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:theme="@style/Theme.HPOS.AppBarOverlay">
+
+        <androidx.appcompat.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="?attr/colorPrimary"
+            app:popupTheme="@style/Theme.HPOS.PopupOverlay" />
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <TextView
+        android:id="@+id/tv_title"
+        style="@style/title1"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="24dp"
+        android:layout_marginTop="16dp"
+        android:text="@string/select_blood_collecting_method"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/app_bar_layout" />
+
+    <RadioGroup
+        android:id="@+id/bloodTypeRadioGroup"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="24dp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/tv_title">
+
+        <RadioButton
+            android:id="@+id/venousBloodRadioButton"
+            style="@style/title1_1"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/venous_blood" />
+
+        <RadioButton
+            android:id="@+id/fingerPrickBloodRadioButton"
+            style="@style/title1_1"
+            android:checked="true"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/finger_prick_blood" />
+
+    </RadioGroup>
+
+    <com.google.android.material.button.MaterialButton
+        android:id="@+id/btn_go"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="24dp"
+        android:text="@string/go"
+        app:cornerRadius="16dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/bloodTypeRadioGroup" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".presentation.KitScanActivity">
+    tools:context="com.example.hpostesting.presentation.KitScanActivity">
 
     <com.google.android.material.appbar.AppBarLayout
         android:id="@+id/app_bar_layout"

app/src/main/res/values/strings.xml

@@ -190,5 +190,8 @@
     <string name="test_completed">Test Completed</string>
     <string name="select_blood_group">Select Blood Group</string>
     <string name="all_registered_user_are_tested_successfully">All registered user are tested successfully</string>
+    <string name="venous_blood">Venous Blood</string>
+    <string name="finger_prick_blood">Finger Prick Blood</string>
+    <string name="select_blood_collecting_method">Select blood collecting method</string>
 
 </resources>