recyclerView.layoutManager= LinearLayoutManager(requireContext(), LinearLayoutManager.VERTICAL,false)

        recyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener(){
            override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
                val visibleItemCount = linearLayoutManager.childCount
                val pastVisibleItem = linearLayoutManager.findFirstCompletelyVisibleItemPosition()
                val total = recyclerView.adapter!!.itemCount

                if (!loading){
                    if ((visibleItemCount +pastVisibleItem)>= total){
                        page++
                        history()
                    }
                }
                super.onScrolled(recyclerView, dx, dy)
            }

            override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
                super.onScrollStateChanged(recyclerView, newState)
                when(newState){
                    RecyclerView.SCROLL_STATE_IDLE -> {
                       toast(context, "no scroll")
                    }
                    RecyclerView.SCROLL_STATE_DRAGGING -> {
                        toast(context, "scroll now")
                    }
                    RecyclerView.SCROLL_STATE_SETTLING -> {
                        toast(context, "scroll settling")
                    }
                }
            }
        })