SwiftUI
SwiftUI performance diagnosis
On a dashboard screen built in SwiftUI, the whole screen stutters on every character typed into a text field. What's your hypothesis for what's going on?
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SwiftUIMultiple choiceExpert
In this SwiftUI plus Observation code, when only store.count is incremented, select all t…
#performance #body #observable
SwiftUIShort answerAdvanced
In SwiftUI, what does the iOS 17 @Observable macro give you over the older ObservableObje…
#performance #observable
UIKitShort answerAdvanced
You get a report that scrolling stutters on a feed screen that mixes images and text. Whe…
#performance #instruments
SwiftUIShort answerIntro
A junior asks you why the screen doesn't update after they change a @State value in Swift…
#observable