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Apple App-Development-with-Swift-Certified-User Exam Syllabus Topics:

Apple App Development with Swift Certified User Sample Questions:

Question 1

Review the code.
struct ContentView: View {
let fruits = [ " Apple " , " Banana " , " Kiwi " ]
var body: some View {
List(fruits, id: \.self) { fruit in
Text(fruit)
.font(.headline)
.padding()
}
}
}
Which of the following statements is true about the code?

A. The id: \.self in the List view should be rewritten as id: /self
B. The id: \.self in the List view is not necessary and may be omitted.
C. The List view is using the fruits array to display the contents as individual rows.
D. KeyPaths are used here to extract the font and padding properties dynamically.

Question 2

In SwiftUI, how can you extract a subview from a main view to make the code more modular?

A. Use @State to manage subview content and use a binding to create a two-way connection.
B. Create a new SwiftUI view struct and call it in the main view.
C. Add the subview's code directly into the main view's body.
D. Declare the subview as a variable inside the main view and call it directly.

Question 3

Review the code snippet.

What value does the code output?

Question 4

Review the code snippet.

Which statement completes the code snippet so that:
* The lastReleaseDate remains the same when nextApplePhone.releaseDate is nil.
* The lastReleaseDate updates to the nextApplePhone.releaseDate when nextApplePhone.releaseDate is NOT nil.

A. nextApplePhone.releaseDate! : lastReleaseDate
B. nextApplePhone.releaseDate : lastReleaseDate
C. lastReleaseDate : nextApplePhone.releaseDate
D. lastReleaseDate : nextApplcPhone.rcleaseDate!

Question 5

Which two statements about building an app are true? (Choose 2.)

A. You can preview a View in the Canvas without running your app.
B. You can run an app on your phone and get debug information in Xcode.
C. Your phone must always be physically attached to your Mac to run your apps from Xcode on it.
D. You need a paid Apple Developer account in order to run your app on your phone.
E. You can run your app in the simulator with Generic iOS Device chosen.

Solutions: