RecyclerView: No layout manager attached; skipping layout
You need to set layout manager Kotlin: val linearLayoutManager:LinearLayoutManager = LinearLayoutManager(this) linearLayoutManager.orientation = LinearLayoutManager.HORIZONTAL{or VERTICAL} recycleView.layoutManager = linearLayoutManager Java: LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this); linearLayoutManager.setOrientation(LinearLayoutManager.HORIZONTAL{or VERTICAL}); list.setLayoutManager(linearLayoutManager);