This is a cross platform class that extends xCustomListView and makes it "lazier".
Lazy loading is explained here:
برای دیدن لینک ها باید ثبت نام کنید
and here:
برای دیدن لینک ها باید ثبت نام کنید
This is a performance optimization. Instead of creating all items with all the views when the app starts, we create the views as the items become visible.
There are all kinds of lazy loading methods.
An incomplete list:
Level 0: No lazy loading at all. Most applications should choose this one. It is simplest to implement and the easiest one to customize. This method is good for up to several hundred items...
