It only works once in expandable recyclerview using epoxy I'm making an expandable Nested RecyclerView using Epoxy. made it to some extent, but the problem is that when I press the expand button, it expands, but it doesn't come back. I'm not sure where I went wrong. What's wrong? ParentItem data class ParentItem( val workout: String="sex", val list: List, // Child Item val isExpandable : Boolean = false ) ParentEpoxyController class ParentEpoxyController : EpoxyController() { private lateinit var data : List override fun...