diff --git a/app/src/main/java/com/panoramagl/sample/MainActivity.kt b/app/src/main/java/com/panoramagl/sample/MainActivity.kt
index 224d9480..1310a809 100644
--- a/app/src/main/java/com/panoramagl/sample/MainActivity.kt
+++ b/app/src/main/java/com/panoramagl/sample/MainActivity.kt
@@ -1,9 +1,11 @@
 package com.panoramagl.sample
 
+import android.annotation.SuppressLint
 import android.graphics.BitmapFactory
 import android.os.Bundle
 import android.os.Handler
 import android.os.Looper
+import android.util.Log
 import android.view.MotionEvent
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
@@ -43,6 +45,30 @@ class MainActivity : AppCompatActivity(), HotSpotListener {
         changePanorama(0)
         binding.button1.setOnClickListener { changePanorama(0) }
         binding.button2.setOnClickListener { changePanorama(1) }
+
+        changeTo1()
+    }
+
+    @SuppressLint("SetTextI18n")
+    private fun changeTo1() {
+        Handler(Looper.getMainLooper()).postDelayed({
+            count++
+            Log.d("count", count.toString())
+            binding.countView.text = "count= $count"
+            changePanorama(1)
+            changeTo0()
+        }, DELAY)
+    }
+
+    @SuppressLint("SetTextI18n")
+    private fun changeTo0() {
+        Handler(Looper.getMainLooper()).postDelayed({
+            count++
+            Log.d("count", count.toString())
+            binding.countView.text = "count= $count"
+            changePanorama(0)
+            changeTo1()
+        }, DELAY)
     }
 
     override fun onResume() {
@@ -125,4 +151,9 @@ class MainActivity : AppCompatActivity(), HotSpotListener {
     override fun onHotspotClick(identifier: Long) {
         runOnUiThread { Toast.makeText(this@MainActivity, "HotSpotClicked! Id is-> $identifier", Toast.LENGTH_SHORT).show() }
     }
+
+    companion object {
+        var count = 0
+        const val DELAY = 700L
+    }
 }
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 9839e8bc..d7465ee5 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -28,6 +28,12 @@
             android:layout_margin="@dimen/activity_horizontal_margin"
             android:text="Image 2"
             tools:ignore="HardcodedText" />
+
+        <TextView
+            android:id="@+id/countView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            tools:text="count" />
     </LinearLayout>
 
     <RelativeLayout