RecylerView for Android (SDK 22) in Kotlin 1.0.2

item.xml

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

    <TextView
        android:id="@+id/name"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1" />

</LinearLayout>

list.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.RecyclerView
    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"
    app:layoutManager="LinearLayoutManager"
    tools:context=".MainActivity"
    tools:listitem="@layout/item" />

XXXFragment.kt

package xxx.view

import android.app.Activity
import android.os.Bundle
import android.support.v4.app.Fragment
import android.support.v7.widget.RecyclerView
import android.support.v7.widget.helper.ItemTouchHelper
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import xxx.R

class XXXFragment : Fragment() {

    private var adapter: XXXRecyclerViewAdapter? = null

    override fun onAttach(activity: Activity) {
        super.onAttach(activity)
        if (activity is XXXListener) {
            adapter = XXXRecyclerViewAdapter()
        }
    }

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?,
                              savedInstanceState: Bundle?): View {
        return inflater.inflate(R.layout.list, container, false).let {
            it as RecyclerView
            it.adapter = adapter
            it
        }
    }

    override fun onDetach() {
        super.onDetach()
        adapter = null
    }

    fun update(names: List<String>) = adapter?.let { it.names = names }
}

XXXRecyclerViewAdapter.kt

package xxx.view

import android.graphics.Color
import android.graphics.PorterDuff
import android.support.v7.widget.RecyclerView
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageButton
import android.widget.TextView
import xxx.R

class XXXRecyclerViewAdapter() : RecyclerView.Adapter<XXXRecyclerViewAdapter.ViewHolder>() {

    var names =  listOf<String>()
        set(names) {
            field = names
            notifyDataSetChanged()
        }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
        val view = LayoutInflater.from(parent.context).inflate(R.layout.item, parent, false)
        return ViewHolder(view)
    }

    override fun getItemCount(): Int {
        return names.size
    }

    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        holder.name = names[position]
    }

    class ViewHolder(val view: View) : RecyclerView.ViewHolder(view) {
        val nameView = view.findViewById(R.id.name) as TextView

        var name: String
            get() = nameView.text.toString()
            set(name) {
                nameView.text = name
            }
    }
}