Kate Lovett walks us through Flutter's new 2D scrolling APIs by rebuilding widgets that are offered in the framework to demonstrate how one would build even more dynamic, custom 2D scrolling experiences.

Chapters:

00:00 Intro to scrolling

02:15 ScrollView explained

03:27 Slivers vs 2D scrolling

05:38 Inspiration for 2D API

07:41 Implementing a 2D grid

10:11 Implementing the RenderObject

12:29 Implementing layoutChildSquence

15:32 Implementing the child builder delegate

17:33 Arbitrary positioning

18:43 Summary

Resources:

DartPad → https://goo.gle/3FP0IKI

2D preview from Flutter Forward → https://goo.gle/3sxrEvv

Catch more videos → https://goo.gle/FlutterBuildShow

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