ActivityMotionCarouselDemo.kt

import android.graphics.Color
import android.os.Bundle
import android.view.View
import androidx.appcompat.app.AppCompatActivity
import androidx.constraintlayout.helper.widget.Carousel

class ActivityMotionCarouselDemo : AppCompatActivity() {
    var colors = intArrayOf(
        Color.parseColor("#e57373"),
        Color.parseColor("#ce93d8"),
        Color.parseColor("#5e35b1"),
        Color.parseColor("#9fa8da"),
        Color.parseColor("#80cbc4"),
        Color.parseColor("#fff59d"),
        Color.parseColor("#ffab91"),
        Color.parseColor("#cfd8dc")
    )

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_carousel_demo)
        setupCarousel()
    }

    private fun setupCarousel() {
        val carousel = findViewById<Carousel>(R.id.carousel) ?: return
        val numImages = colors.size

        carousel.setAdapter(object : Carousel.Adapter {
            override fun count(): Int {
                return numImages
            }

            override fun populate(view: View, index: Int) {
                    view.setBackgroundColor(colors[index])

            }

            override fun onNewItem(index: Int) {
            }
        })
    }
}