diff --git a/hsdemo/build.gradle b/hsdemo/build.gradle
index a84a248..91af8b1 100644
--- a/hsdemo/build.gradle
+++ b/hsdemo/build.gradle
@@ -10,8 +10,8 @@ android {
         applicationId "com.zebra.hsdemo"
         minSdk 33
         targetSdk 34
-        versionCode 2
-        versionName "1.1"
+        versionCode 3
+        versionName "1.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
diff --git a/hsdemo/src/main/java/com/zebra/hsdemo/MainActivity.java b/hsdemo/src/main/java/com/zebra/hsdemo/MainActivity.java
index fdbf205..a1ce3ee 100644
--- a/hsdemo/src/main/java/com/zebra/hsdemo/MainActivity.java
+++ b/hsdemo/src/main/java/com/zebra/hsdemo/MainActivity.java
@@ -21,7 +21,9 @@
 import android.os.Bundle;
 import android.util.Log;
 import android.view.View;
+import android.widget.CompoundButton;
 import android.widget.SeekBar;
+import android.widget.Switch;
 import android.widget.TextView;
 import android.widget.Toast;
 
@@ -51,13 +53,13 @@ public class MainActivity extends AppCompatActivity {
     AudioManager playAudioManager = null;
     AudioRecord recorder = null;
     Thread recordingThread = null;
-    MediaPlayer mp = null;
     int bufSize = 0;
     boolean isRecording = false;
     float recordingGain = 1.0f;
-    float replayGain = 15.0f;
+    float replayGain = 10.0f;
 
-    public static final int sampleRate = 44000;
+    final static int[] sampleRatevalues = {8000, 12000, 16000, 22000, 32000, 44000};
+    public static int sampleRate = sampleRatevalues[0];
     public static final int channelInConfig = AudioFormat.CHANNEL_IN_MONO;
     public static final int channelOutConfig = AudioFormat.CHANNEL_OUT_MONO;
     public static final int channelNumber = 1;
@@ -241,6 +243,31 @@ public void onStopTrackingTouch(SeekBar seekBar) {
 
             }
         });
+
+        SeekBar sbSampleRate = findViewById(R.id.sbSampleRate);
+        TextView tvSampleRate = findViewById(R.id.tvSampleRate);
+        tvSampleRate.setText(String.format("%05d", sampleRatevalues[0]) + " Hz");
+        sbSampleRate.setProgress(0);
+        sbSampleRate.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+            @Override
+            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+                sampleRate = sampleRatevalues[progress];
+                String formattedValue = String.format("%05d", sampleRate);
+                tvSampleRate.setText(String.valueOf(formattedValue) + " Hz");
+                // Do something with the selected value
+                Log.d("SeekBar", "Selected value: " + sampleRate);
+            }
+
+            @Override
+            public void onStartTrackingTouch(SeekBar seekBar) {
+                // Optional: handle start of touch
+            }
+
+            @Override
+            public void onStopTrackingTouch(SeekBar seekBar) {
+                // Optional: handle stop of touch
+            }
+        });
     }
 
     @Override
diff --git a/hsdemo/src/main/res/drawable/empty_circle.xml b/hsdemo/src/main/res/drawable/empty_circle.xml
new file mode 100644
index 0000000..73e47b3
--- /dev/null
+++ b/hsdemo/src/main/res/drawable/empty_circle.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="oval">
+    <size
+        android:width="24dp"
+        android:height="24dp" />
+    <stroke
+        android:width="2dp"
+        android:color="@android:color/black" />
+    <solid android:color="@android:color/transparent" />
+</shape>
\ No newline at end of file
diff --git a/hsdemo/src/main/res/drawable/filled_circle.xml b/hsdemo/src/main/res/drawable/filled_circle.xml
new file mode 100644
index 0000000..ec62ce1
--- /dev/null
+++ b/hsdemo/src/main/res/drawable/filled_circle.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="oval">
+    <size
+        android:width="24dp"
+        android:height="24dp" />
+    <solid android:color="#000000" />
+</shape>
diff --git a/hsdemo/src/main/res/layout/activity_main.xml b/hsdemo/src/main/res/layout/activity_main.xml
index 56e5e4e..81e49ec 100644
--- a/hsdemo/src/main/res/layout/activity_main.xml
+++ b/hsdemo/src/main/res/layout/activity_main.xml
@@ -7,16 +7,6 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
-    <TextView
-        android:id="@+id/tvMessage"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Getting Permissions"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="@+id/llGlobal" />
-
     <LinearLayout
         android:id="@+id/llGlobal"
         android:layout_width="match_parent"
@@ -27,6 +17,8 @@
             android:id="@+id/textView3"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:layout_marginTop="10dp"
+            android:layout_marginBottom="10dp"
             android:gravity="center_horizontal"
             android:text="Recording" />
 
@@ -54,6 +46,8 @@
             android:id="@+id/textView4"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:layout_marginBottom="10dp"
             android:gravity="center_horizontal"
             android:text="Recording Gain" />
 
@@ -77,23 +71,55 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_weight="0.2"
+                android:gravity="center_horizontal"
                 android:text="TextView" />
         </LinearLayout>
 
+        <TextView
+            android:id="@+id/textView7"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:layout_marginBottom="10dp"
+            android:gravity="center_horizontal"
+            android:text="Recording Sample Rate" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <SeekBar
+                android:id="@+id/sbSampleRate"
+                style="@style/DiscreteSeekBar"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_weight="5"
+                android:max="5" />
+
+            <TextView
+                android:id="@+id/tvSampleRate"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_weight="1.2"
+                android:gravity="center_horizontal"
+                android:text="08000 Hz" />
+        </LinearLayout>
+
         <View
             android:layout_width="match_parent"
             android:layout_height="1dp"
-            android:layout_marginBottom="5dp"
-            android:layout_marginTop="5dp"
+            android:layout_marginTop="20dp"
+            android:layout_marginBottom="20dp"
             android:background="@android:color/darker_gray" />
 
         <TextView
             android:id="@+id/textView5"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:layout_marginBottom="10dp"
             android:gravity="center_horizontal"
             android:text="Replay" />
-
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
@@ -124,6 +150,8 @@
             android:id="@+id/textView6"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:layout_marginBottom="10dp"
             android:gravity="center_horizontal"
             android:text="Replay Gain" />
 
@@ -147,15 +175,35 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_weight="0.2"
+                android:gravity="center_horizontal"
                 android:text="TextView" />
         </LinearLayout>
 
+
+
+
+
+
+
+
+
+
         <View
             android:layout_width="match_parent"
             android:layout_height="1dp"
-            android:layout_marginBottom="5dp"
-            android:layout_marginTop="5dp"
+            android:layout_marginTop="20dp"
+            android:layout_marginBottom="20dp"
             android:background="@android:color/darker_gray" />
 
     </LinearLayout>
+
+    <TextView
+        android:id="@+id/tvMessage"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Getting Permissions"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/llGlobal" />
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/hsdemo/src/main/res/values-night/themes.xml b/hsdemo/src/main/res/values-night/themes.xml
index d25b0f2..3bcae31 100644
--- a/hsdemo/src/main/res/values-night/themes.xml
+++ b/hsdemo/src/main/res/values-night/themes.xml
@@ -3,5 +3,11 @@
     <style name="Base.Theme.MyApplication" parent="Theme.Material3.DayNight.NoActionBar">
         <!-- Customize your dark theme here. -->
         <!-- <item name="colorPrimary">@color/my_dark_primary</item> -->
+
+    </style>
+    <style name="DiscreteSeekBar" parent="Widget.AppCompat.SeekBar.Discrete">
+        <item name="android:thumb">@drawable/filled_circle</item>
+        <item name="android:tickMark">@drawable/empty_circle</item>
+        <item name="android:tickMarkTint">@color/black</item>
     </style>
 </resources>
\ No newline at end of file
diff --git a/hsdemo/src/main/res/values/themes.xml b/hsdemo/src/main/res/values/themes.xml
index d66ac09..aec0e54 100644
--- a/hsdemo/src/main/res/values/themes.xml
+++ b/hsdemo/src/main/res/values/themes.xml
@@ -3,7 +3,12 @@
     <style name="Base.Theme.MyApplication" parent="Theme.Material3.DayNight.NoActionBar">
         <!-- Customize your light theme here. -->
         <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
-    </style>
 
+    </style>
+    <style name="DiscreteSeekBar" parent="Widget.AppCompat.SeekBar.Discrete">
+        <item name="android:thumb">@drawable/filled_circle</item>
+        <item name="android:tickMark">@drawable/empty_circle</item>
+        <item name="android:tickMarkTint">@color/black</item>
+    </style>
     <style name="Theme.MyApplication" parent="Base.Theme.MyApplication" />
 </resources>
\ No newline at end of file