RecyclerView is not showing results and freezes when using getFilter I'm trying to create a simple dialog where only a SearchView is shown and once the user starts writing it will filter some data from DB and will return only items which matches that search. The issue is that once i start writing and if i type fastly the APP just freezes but even if i go slow the RecyclerView doesn't return any result even if mList is not empty. Here is my Adapter code: class AdapterRicerca( private val mListAll: ArrayList, private val callback: RicercaCallback ) :...