val srl = view.findViewById(R.id.srl)
val recycler = view.findViewById(R.id.recycler)

srl.setEnableLoadMore(false)
    srl.setOnRefreshListener {
        val list = ArrayList<Int>()
        for (index in 100..110) {
            list.add(index)
        }
        adapter.addData(0, list)
        srl.finishRefresh()
        if (adapter.list.size >= 50) {
            srl.setEnableRefresh(false)
        }
    }

    val list = ArrayList<Int>()
    for (index in 1..10) {
        list.add(index)
    }

    recycler.layoutManager = LinearLayoutManager(activity)
    adapter = activity?.let { MessageSystemListAdapter(it, list) }!!
    recycler.adapter = adapter

xml

<com.scwang.smart.refresh.layout.SmartRefreshLayout
android:id="@+id/srl"
android:layout_width="match_parent"
android:layout_height="match_parent">

<com.scwang.smart.refresh.header.ClassicsHeader
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/recycler"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

    <com.scwang.smart.refresh.footer.ClassicsFooter
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

</com.scwang.smart.refresh.layout.SmartRefreshLayout>