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Apple App-Development-with-Swift-Certified-User Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Swift Programming Language | - Demonstrate proper use of structs, classes
|
| View Building with SwiftUI | - Create a multi-view app with navigation Stacks, Links, and/or Sheets - Use List Views to iterate through collections - Extract Subviews to simplify the structure of an overlarge View - Position and/or layout a single SwiftUI View with standard Views and modifiers - Create multiple Views to implement app logic - Use @State, @Binding, @Environment, and/or Observable to share data between Views |
| Xcode Developer Tools | - Use debugging techniques including, but not limited to, breakpoints, watchpoints, and logging to resolve errors
|
Apple App Development with Swift Certified User Sample Questions:
Which two statements about building an app are true? (Choose 2.)
- A. You need a paid Apple Developer account in order to run your app on your phone.
- B. You can run an app on your phone and get debug information in Xcode.
- C. You can preview a View in the Canvas without running your app.
- D. Your phone must always be physically attached to your Mac to run your apps from Xcode on it.
- E. You can run your app in the simulator with Generic iOS Device chosen.
Correct Answer: B,C 🗳️
Review the code.
When entered into the TextField, which number will display a blue canvas on the SecondView?
- A. 1
- B. 3
- C. 2
- D. 4
Correct Answer: B 🗳️
Explanation: Only visible for TestkingPDF members. You can sign-up / login (it's free).
Review the code:
Given a struct called Animal, what line of code should be added on line 5 in order to produce the output shown?
- A. Text(animals[animal].name)
- B. Text(Animal.name)
- C. Text(Animals[animal].name)
- D. Text(animal.name)
Correct Answer: D 🗳️
Explanation: Only visible for TestkingPDF members. You can sign-up / login (it's free).
Review the code snippet.
The " faces " dictionary contains emojis and their descriptions.
Which code will create an array named " emo)is " that will copy all the emojis from the " faces " dictionary?
- A. let emojis List(faces.values())
- B. let emojis = Array(faces.keys)
- C. let emojis - Array(faces.values)
- D. let emojis - List(faces.koys())
Correct Answer: B 🗳️
Explanation: Only visible for TestkingPDF members. You can sign-up / login (it's free).
You have created a view which includes some formatted text:
You decide to extract this formatted text into a subview so that you can reuse the formatting for other texts.
You highlight the Text and choose Extract subview.
You refactor ExtractedView to BigGreenTextView.
You add the line let text: String to the extracted view above the body.
You replace " That ' s all folks " with a reference to text
How should you call this extracted View from the original View?
- A. BigGreenTextView(text: text)
- B. BigGreenTextView( " That ' s all folks " )
- C. BigGreenTextView(text: " That ' s all folks " )
- D. BigGreenTextView(text)
Correct Answer: C 🗳️
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