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

Apple App Development with Swift Certified User Sample Questions:

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

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

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

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

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

4. Complete the code that will add the BlueView to the NavigationStack and present the RedView modally.

|Complete the code by typing in the boxes.

5. Review the code snippet and then predict the output.

A) Total count: 10
B) Total count: 11
C) Total count: 9
D) Total count: 20

Solutions: