How to Implement TextSwitcher in Android?

 <?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=".MainActivity">
    <TextSwitcher
        android:id="@+id/textSwitcher"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="80dp"
        android:inAnimation="@anim/slide_in_right"
        android:outAnimation="@anim/slide_out_left"/>

    <Button
        android:id="@+id/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Next"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true"/> 
 </androidx.constraintlayout.widget.ConstraintLayout>

 import android.annotation.SuppressLint
 import android.graphics.Color
 import android.os.Bundle
 import android.view.Gravity
 import android.widget.Button
 import android.widget.TextSwitcher
 import android.widget.TextView
 import androidx.appcompat.app.AppCompatActivity

 class MainActivity : AppCompatActivity() {
    private lateinit var textSwitcher: TextSwitcher
    private lateinit var nextButton: Button
    private var stringIndex = 0
    private val row = arrayOf("Hi!", "Welcome", "to", "How", "are", "your")
    private lateinit var textView: TextView
    @SuppressLint("MissingInflatedId")
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        textSwitcher = findViewById(R.id.textSwitcher)
        nextButton = findViewById(R.id.button)

        nextButton.setOnClickListener {
            if (stringIndex == row.size - 1) {
                stringIndex = 0
                textSwitcher.setText(row[stringIndex])
            } else {
                textSwitcher.setText(row[++stringIndex])
            }
        }

        textSwitcher.setFactory {
            textView = TextView(this)
            textView.textSize = 60f
            textView.gravity = Gravity.CENTER_HORIZONTAL
            textView.setTextColor(Color.parseColor("#2734BA"))
            textView
        }
         textSwitcher.setText(row[stringIndex])

     }
 }