Top SwiftUI Interview Questions for 2023

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Here is a set of top SwiftUI interview questions. If you would like to prepare yourself for an interview I suggest you use the following to give you that helping hand!

Basic SwiftUI Concepts

Views

• Describe views in SwiftUI

A view in SwiftUI is a lightweight transient object designed to be thrown away when the source for it is changed.

That is SwiftUI has a data-driven nature and SwiftUI handles updates by recomputing the body of views where necessary in a performant manner. Developers don’t handle view refresh directly rather the system handles this.

SwiftUI views are struct under the hood and conform to SwiftUI’s View protocol in order to describe a user viewable element.

Components and Views

• Describe the difference between @State, @Binding, @ObservedObject, @Published and @EnvironmentObject.

State

A property wrapper used to create a single source of truth for data in your app which mutates over time (and updating a view appropriately).

The wrappedValue in the state is anything (usually a value type). The wrappedValue is stored on the…