Check if RecyclerView is scrollable

Question

How to check if a RecyclerView is scrollable, ie, there are items below/above the visible area

I have a dropdown in my recycler view which works by using

Answer 1

In Kotlin you can do :

 fun isRecyclerScrollable(): Boolean {
    val layoutManager = recyclerView.layoutManager as LinearLayoutManager
    val adapter = recyclerView.adapter
    return if (adapter == null) false else layoutManager.findLastCompletelyVisibleItemPosition() < adapter.itemCount - 1
}