How to Create Pagination Gallery in Power Apps when Connected with large SharePoint List 

In this video, you will learn how to create pagination gallery in power apps.
Also, Count Rows is a non-delegable function. In this video, I have covered how to handle delegation warnings.
Code Used:
Screen on Visible:
Set(vrPageNumber,1);
Set(ItemCount,'PowerAppV2-SendanHTTPrequesttoSharePoint'.Run("Database").result);//countrows is not a delegable function
Gallery Items:
If( vrPageNumber = 1, FirstN( Database, dd_pagesize.SelectedText.Value * vrPageNumber ), LastN( FirstN( Database, dd_pagesize.SelectedText.Value * vrPageNumber ), dd_pagesize.SelectedText.Value * 1 ))
Back Button:
Set(vrPageNumber,vrPageNumber-1)
Next Button:
Set(vrPageNumber,vrPageNumber+1)
Label:
vrPageNumber & " of " & RoundUp(ItemCount/dd_pagesize.SelectedText.Value,0)
PowerAutomate Flow:
/_api/web/lists/getbytitle(‘listtitle')/?select=ItemCount
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