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探讨 SwiftUI 中的属性包装器:@AppStorage、@SceneStorage、@FocusState、@GestureState、@ScaledMetric #219

Open fatbobman opened 10 months ago

fatbobman commented 10 months ago

探讨 SwiftUI 中的属性包装器:@AppStorage、@SceneStorage、@FocusState、@GestureState、@ScaledMetric

在本文中,我们将继续了解 SwiftUI 中的属性包装器:@AppStorage@SceneStorage@FocusState@GestureState 以及 @ScaledMetric。这些属性包装器涵盖了数据持久化、交互响应、辅助功能、多窗口支持等多个方面, 为开发者提供了简洁实用的解决方案。

Exploring SwiftUI Property Wrappers: @AppStorage, @SceneStorage, @FocusState, @GestureState, @ScaledMetric

In this article, we will continue to explore property wrappers in SwiftUI: @AppStorage, @SceneStorage, @FocusState, @GestureState, and @ScaledMetric. These property wrappers cover various aspects including data persistence, interactive response, accessibility features, and multi-window support, providing developers with succinct and practical solutions.

fatbobman commented 1 month ago

Hi, The $(TeamIdentifierPrefix) is a build-time variable that gets replaced with your actual Team ID during the Xcode build process. It's used in Xcode's configuration interface (like when setting up App Groups) but isn't accessible at runtime in your code.

For the UserDefaults implementation, I think you should use the full group identifier directly in your code.

But in most cases, using the static string is the simpler and more reliable approach.😀

2024年10月18日 18:05,Konrad Zdeb @.***> 写道:

Hi, excellent article. I've a question related to the use of UserDefaults(suiteName: "group.com.fatbobman.myApp") and configuration of App Groups https://developer.apple.com/documentation/xcode/configuring-app-groups - what would be your recommended implementation? The documentation suggests using $(TeamIdentifierPrefix)com.example.mygroup syntax for group naming but your convention uses static string for a suiteName value. Would you try to get $(TeamIdentifierPrefix) programmatically and pass it to suiteName or would you suggest a different approach?

— Reply to this email directly, view it on GitHub https://github.com/fatbobman/blogComments/issues/219#issuecomment-2422067568, or unsubscribe https://github.com/notifications/unsubscribe-auth/ANIYIGIHCDT5PDUNFGBIMN3Z4DMNVAVCNFSM6AAAAABQFTHUQWVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDIMRSGA3DONJWHA. You are receiving this because you authored the thread.

konradzdeb commented 1 month ago

Amazing, thanks for the answer. I was able to figure out the answer through StackOverflow and googling stuff so I deleted comment not to clutter your excellent blog :)

dubiao commented 2 weeks ago

苹果文档要是按你这么写,全球人民都可以很快上手 SwiftUI 。 Apple Documents should refer to your posts.