Wrong implementation of context menu view holder.

ContextMenuExample_WrongViewHolder.kt

class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView), View.OnLongClickListener {

    val titleTextView: TextView = itemView.titleTextView
    val contentTextView: TextView = itemView.contentTextView

    init {
        this.itemView.setOnLongClickListener(this)
    }

    override fun onLongClick(v: View?): Boolean {
        this.itemView.showContextMenu()
        return true
    }
}