Android Paging RecylerView as ViewPager (Horizontal Swipe of Fragment Pages)

class TestPagerActivity : AppCompatActivity() {    private lateinit var adapter: LocalAdapter    override fun onCreate(savedInstanceState: Bundle?) {        super.onCreate(savedInstanceState)        // optional: hide title/actionbar        supportActionBar?.hide()        setContentView(R.layout.testpager)        initUi()    }    private fun initUi() {        adapter = LocalAdapter()        list.adapter = adapter        val snapHelper = PagerSnapHelper()        snapHelper.attachToRecyclerView(list)        list.addItemDecoration(CirclePagerIndicatorDecoration())    }    class LocalAdapter: RecyclerView.Adapter<LocalAdapter.ViewHolder>() {        override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): LocalAdapter.ViewHolder {            val view = LayoutInflater.from(parent.context)                .inflate(R.layout.testpager_page, parent, false)            return ViewHolder(view)        }        override fun onBindViewHolder(holder: LocalAdapter.ViewHolder, position: Int) {            when(position) {                0 -> {                    holder.textView.text = "Page #1"                }                1 -> {                    holder.textView.text = "Page #2"                }                2 -> {                    holder.textView.text = "Page #3"                }            }        }        override fun getItemCount(): Int = 3        inner class ViewHolder(override val containerView: View) : RecyclerView.ViewHolder(containerView),            LayoutContainer    }}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:textAppearance="@style/TextAppearance.AppCompat.Large"
        />
</RelativeLayout>

class LocalAdapter(val viewModel: QuoteSetupViewModel, val fragmentManager: FragmentManager): RecyclerView.Adapter<LocalAdapter.ViewHolder>() {    override fun getItemViewType(position: Int): Int {        return when(position) {            0 -> {                R.layout.quotesetup_language            }            1 -> {                R.layout.quotesetup_time            }            else -> {                R.layout.testpager_page            }        }    }    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): LocalAdapter.ViewHolder {        val view = LayoutInflater.from(parent.context)            .inflate(viewType, parent, false)        return ViewHolder(view)    }    override fun onBindViewHolder(holder: LocalAdapter.ViewHolder, position: Int) {        when(position) {            0 -> {                // update holder view            }            1 -> {                // update holder view            }            3 -> {                // update holder view            }        }    }    override fun getItemCount(): Int = 3    inner class ViewHolder(override val containerView: View) : RecyclerView.ViewHolder(containerView),        LayoutContainer}