सीकबार एंड्रॉइड कोटलिन

<?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">


    <SeekBar
        android:id="@+id/seekbar_Default"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8dp"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="8dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.174" />

    <SeekBar
        android:id="@+id/seekbar_Discrete"
        style="@style/Widget.AppCompat.SeekBar.Discrete"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8dp"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="8dp"
        android:max="10"
        android:progress="0"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="1.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.333" />
</androidx.constraintlayout.widget.ConstraintLayout>

package com.example.myapplication

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.SeekBar
import android.widget.Toast

class MainActivity : AppCompatActivity() {

    var seekBarNormal: SeekBar? = null
    var seekBarDiscrete: SeekBar? = null
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        seekBarNormal= findViewById(R.id.seekbar_Default)
        seekBarDiscrete = findViewById(R.id.seekbar_Discrete)

        seekBarNormal?.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
            override fun onProgressChanged(seekBar: SeekBar, progress: Int,
                                           fromUser: Boolean) {
                Toast.makeText(applicationContext, "seekbar progress: $progress", Toast.LENGTH_SHORT).show()
            }

            override fun onStartTrackingTouch(seekBar: SeekBar) {
                Toast.makeText(applicationContext, "seekbar touch started!", Toast.LENGTH_SHORT).show()
            }

            override fun onStopTrackingTouch(seekBar: SeekBar) {
                Toast.makeText(applicationContext, "seekbar touch stopped!", Toast.LENGTH_SHORT).show()
            }
        })

        seekBarDiscrete?.setOnSeekBarChangeListener(object :SeekBar.OnSeekBarChangeListener{
            override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
                // TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
                Toast.makeText(applicationContext, "discrete seekbar progress: $progress", Toast.LENGTH_SHORT).show()
            }

            override fun onStartTrackingTouch(seekBar: SeekBar?) {
                //  TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
                Toast.makeText(applicationContext, "discrete seekbar touch started!", Toast.LENGTH_SHORT).show()
            }

            override fun onStopTrackingTouch(seekBar: SeekBar?) {
                //  TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
                Toast.makeText(applicationContext, "discrete seekbar touch stopped", Toast.LENGTH_SHORT).show()
            }
        })
    }
}