adapterPager

class OnBoardingAdapter(val context : Context, val onBoardingItem: List<OnBoardingItem>) : PagerAdapter(){

    override fun instantiateItem(container: ViewGroup, position: Int): Any {
        val inflater = context.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
        val layoutScreen: View = inflater.inflate(R.layout.item_onboarding, null)
        val img = layoutScreen.findViewById<ImageView>(R.id.img_on_boarding)
        val desc = layoutScreen.findViewById<TextView>(R.id.tv_desc_on_boarding)

        img.setImageResource(onBoardingItem[position].image!!)
        desc.text = onBoardingItem[position].description
        container.addView(layoutScreen)
        return layoutScreen
    }
    override fun getCount(): Int {
       return onBoardingItem.size
    }
    override fun isViewFromObject(view: View, o: Any): Boolean {
        return view === o
    }

    override fun destroyItem(container: ViewGroup, position: Int, `object`: Any) {
        container.removeView(`object` as View)
    }
}