Performance Skills
What this domain covers
Finding and fixing jank, reducing rebuilds, using DevTools effectively, managing memory and images, and moving work off the UI thread.
When to read it
- •Scrolling stutters or frame times spike.
- •Memory grows unexpectedly.
- •Your app feels slow on low-end devices.
Subtopics
- •Rebuilds: rebuilds.md
- •DevTools: devtools.md
- •Memory: memory.md
- •Images: images.md
- •Isolates: isolates.md
- •Jank: jank.md
Decision guide
- •If you need why frames drop, go to jank.md then devtools.md.
- •If you need to reduce rebuild cost, go to rebuilds.md.
- •If you need to handle big images, go to images.md.