This repository gives an example of how to dynamically pull in new / paged data while scrolling in a Xamarin Forms listview.
Check out the videos below if you are to lazy to clone the solution :)
iOS: https://youtu.be/0G36HLO_DzI
Android: https://www.youtube.com/watch?v=S8UgCUG6BnU
Any feedback / suggestions are most welcome