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UserDefaults and Observation in SwiftUI: How to Achieve Precise Responsiveness

fatbobman ( 东坡肘子)
ITNEXT
Published in
10 min readMar 7, 2025

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Photo by sebastiaan stam on Unsplash

In SwiftUI, Apple’s @AppStorage property wrapper greatly simplifies the process for developers to respond to and modify UserDefaults content within views. However, with the introduction of the Observation framework, new challenges have arisen—Apple has yet to provide a UserDefaults management solution for Observation. This article will explore how to efficiently and conveniently manage data in UserDefaults under the Observation framework and propose a complete and practical solution.

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@AppStorage and ObservableObject: Advantages and Limitations

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