AttributedTextValueConstraint

Asked on 06/23/2025

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The concept of AttributedTextValueConstraint is discussed in the session titled "Code-along: Cook up a rich text experience in SwiftUI with AttributedString" from WWDC 2025. This session covers how to use SwiftUI's attributed text value constraint protocol to implement logic for text formatting. For example, you can specify constraints for attributes like foreground color based on certain conditions, such as whether an ingredient attribute is set, which would change the text color to green.

If you are interested in learning more about how to implement these constraints, you can refer to the session Code-along: Cook up a rich text experience in SwiftUI with AttributedString (23:54) where this topic is discussed in detail.