/Kotlin/Recyclerview infinite scroll kotlin

Recyclerview infinite scroll kotlin

 recyclerview.addOnScrollListener(object : PaginationScrollListener(llm) {
            override fun isLastPage(): Boolean {
                return isLastPage
            }

            override fun isLoading(): Boolean {
                return isLoading
            }

            override fun loadMoreItems() {
                isLoading = true
                
                Load_More_Data()
            }
        })





abstract class PaginationScrollListener(val layoutManager: LinearLayoutManager) : RecyclerView.OnScrollListener() {

    override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
        super.onScrolled(recyclerView!!, dx, dy)

        val visibleItemCount = layoutManager.childCount
        val totalItemCount = layoutManager.itemCount
        val firstVisibleItemPosition = layoutManager.findFirstVisibleItemPosition()

        if (!isLoading() && !isLastPage()) {
            if (visibleItemCount + firstVisibleItemPosition >= totalItemCount && firstVisibleItemPosition >= 0) {
                loadMoreItems()
            }
        }
    }
    protected abstract fun isLoading(): Boolean
    protected abstract fun isLastPage(): Boolean
    protected abstract fun loadMoreItems()
}

Similar codes

0 vote367 views1 answer
Android bottomnavigationview leaves blank space after full screen
Kotlin
0 vote355 views1 answer
Kotlin boton que te diriga a otra actividad
Kotlin
7 votes492 views6 answers
Kotlin loop until
Kotlin
0 vote357 views1 answer
Cannot create an instance of class viewmodel kotlin
Kotlin
4 votes385 views2 answers
How to define variable in kotlin
Kotlin
1 vote426 views1 answer
How to programatically click on recyclerview item kotlin
Kotlin
6 votes416 views1 answer
What is the difference var and val in kotlin
Kotlin
4 votes338 views2 answers
Try catch kotlin
Kotlin
4 votes369 views1 answer
Kotlin for android development
Kotlin
-1 vote363 views1 answer
How to hide keybord Kotlin
Kotlin