1. Introduction
The height of do_GridView supports -1, and the height of the gridview is determined according to the number of items in the gridview, so that the gridview itself cannot be scrolled, and it needs to be placed in a scrollview with a fixed height to scroll.
Second, the effect map
3. Related discussions
http://bbs.deviceone.net/forum.php?mod=viewthread&tid=689
4. Download address
https://github.com/do-project/code4do/tree/master/do_GridViewDemo
5. More examples