Is it possible to disable Core Animation in SwiftUI?

Question

Created Jun ’22

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I build a graphic editor. Dragging points through my canvas is smooth and fast. But when I try to display data in outline view everything slows down to 2 FPS. First I suspected slow data access, but when I check app in Instruments I found Core Animation Commits are displayed as a red blocks and Time Profiler bit busy. Screenshot 2022-06-18 at 12.34.09.png

Is a way to disable Core Animation for some views? Or this message is misleading?

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Answer 1

ngb OP

Jun ’22

use this modifier on the view.

.transaction { transaction in
    transaction.animation = nil
}

note that its stopped working in ios16b1. not sure if that's a bug or it was intentional.

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