Uploaded June 2020 | Updated September 2026, 1 hour ago

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The RepaintBoundary is a widget every Flutter developer needs to know. Using it is simple, however identifying when to use it and whether it is needed is not as simple. Join me in this video as we take a look at a number of examples to identify when a RepaintBoundary is appropriate and visualize the performance improvements that a RepaintBoundary provides.

This video is taken from my Flutter Animation and Performance course. It's available here:
Course: bit.ly/funwithcourse
Discount Code: FUN

00:00 - Overview
02:08 - Identify performance issues
09:22 - Repaint Boundary
13:40 - Image Caching
18:35 - Paint Phase, Tools, and when to use
27:47 - Identify if a RepaintBoundary is useful