private var pageNumber = 1
var pastVisibleItems = 0
var visibleItemCount = 0
var totalItemCount = 0
var previousTotal = 0
var viewThreshold = 20
var linearLayoutManager: LinearLayoutManager? = null
var isLoading = true
binding.view.addOnScrollListener(object : RecyclerView.OnScrollListener() {
override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
super.onScrolled(recyclerView, dx, dy)
visibleItemCount = linearLayoutManager!!.childCount
totalItemCount = linearLayoutManager!!.itemCount
pastVisibleItems = linearLayoutManager!!.findFirstCompletelyVisibleItemPosition()
if (dy > 0) { // the user scroll up
if (isLoading) {
if (totalItemCount > previousTotal) {
isLoading = false
previousTotal = totalItemCount
}
}
if (!isLoading && totalItemCount - visibleItemCount <= pastVisibleItems + viewThreshold) {
pageNumber++
Log.d("TAG", "Pagination: $pageNumber")
isLoading = true
}
}
}
})
