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

SectionWeightObjectives
Topic 1: App Design and Best Practices15%- Code organization
  • 1. Readability and maintainability
- User experience principles
  • 1. Human Interface Guidelines
Topic 2: SwiftUI Basics25%- Layout and navigation
  • 1. Stacks, grids and alignment
  • 2. Navigation patterns and presentation
- Views and controls
  • 1. Built-in UI components
  • 2. Modifiers and styling
- State management
  • 1. Data flow between views
  • 2. Basic state properties
Topic 3: Development Environment15%- Debugging techniques
  • 1. Logging and error resolution
  • 2. Breakpoints and step-through execution
- Building and running apps
  • 1. iOS Simulator usage
  • 2. Deploying to physical devices
- Xcode interface and tools
  • 1. Using documentation and help resources
  • 2. Navigating project structure
Topic 4: Swift Programming Fundamentals30%- Control flow
  • 1. Switch statements and pattern matching
  • 2. Conditional statements and loops
- Basic types and operators
  • 1. Constants and variables
  • 2. Data types, type inference and casting
- Structures and classes
  • 1. Properties, methods and initializers
- Collection types
  • 1. Arrays, dictionaries and sets
- Functions
  • 1. Parameter customization and default values
  • 2. Definition, parameters and return values
Topic 5: Data Handling and Logic15%- Error handling
  • 1. Do-catch and optional handling
- Basic data processing
  • 1. Working with strings and numbers

Apple App Development with Swift Certified User Sample Questions:

For each statement about Navigation in SwiftUI. select True or False.

Reveal Solution  Discussion  0

Correct Answer:


Explanation:
* You can treat a NavigationLink like a button, and run some Swift code when it is pressed. - False
* NavigationSplitView can be used to do navigation differently on different device sizes. - True
* You can put a header on your present View in a NavigationStack using .navigationTitle. - True
* If you have a NavigationLink that goes to another View with a NavigationLink, you need to declare a NavigationStack at each level. - False This question belongs to View Building with SwiftUI , specifically the objective on creating a multi-view app with navigation stacks, links, and sheets . Statement 1 is False because NavigationLink is primarily a navigation control that pushes or presents a destination in a navigation container; Apple documents it as creating a navigation link that presents a destination, not as a general-purpose action control like Button.
Statement 2 is True because NavigationSplitView is designed for adaptive navigation and can present navigation in different ways depending on platform and available space. Apple documents NavigationSplitView as a container for navigation across multiple columns, and this adaptive behavior is exactly why it is used differently across device sizes.
Statement 3 is True because .navigationTitle(...) sets the navigation title for a view shown inside a navigation container. Apple explicitly describes a view's navigation title as something used to visually display the current navigation state of an interface.
Statement 4 is False because you do not need a separate NavigationStack at every level. Apple describes NavigationStack as the container that manages a stack of views, and NavigationLink pushes additional destinations onto that stack. Nested destinations can keep navigating within the same stack.

Review the code.
var capitalCities = [ " USA " : " Washington D.C. " , " Spain " : " Madrid " , " Peru " : " Lima " ] Which two statements add the capital city of " Italy " to the dictionary? (Choose 2.)

  • A. capitalCities = capitalCities + [ " Italy " : " Rome " ]
  • B. capitalCities[ " Rome " ] = " Italy "
  • C. capitalCities.append([ " Italy " : " Rome " ])
  • D. capitalCities.updateValue( " Rome " , forKey: " Italy " )
  • E. capitalCities[ " Italy " ] = " Rome "
Reveal Solution  Discussion  0

Correct Answer: D,E  🗳️

Given the function, which two function calls are valid? (Choose 2.)

  • A. let sum r\ ght5um(100, by: 50)
  • B. let sum = rightSum(100, num2: SO, and: 20)
  • C. let Sun - rightSum(numl: 100, by: SO, and: SO)
  • D. let sun = rightSum(numl: 100, num2: 50)
  • E. let sum - rightSum(100, by: 30, and: 20)
Reveal Solution  Discussion  0

Correct Answer: A,E  🗳️

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Complete the code that conforms to the View protocol by selecting the correct option from each drop-down list.
Note: You will receive partial credit for each correct answer.

Reveal Solution  Discussion  0

Correct Answer:


Explanation:

This question belongs to View Building with SwiftUI , especially the domain covering positioning and/or layout a single SwiftUI View with standard Views and modifiers and the foundational structure of a SwiftUI view. In SwiftUI, a custom screen is typically declared as a struct that conforms to the View protocol. Apple's SwiftUI documentation shows the standard pattern:
struct ScreenView: View {
var body: some View {
Text( " Hello " )
}
}
Here, struct is required because SwiftUI views are commonly defined as structures. View is required after the colon because the type must conform to the View protocol. body is the required computed property that returns the content of the view as some View. Apple documents that every conforming View type must provide a body property that describes its content.
So the completed code is:
import SwiftUI
struct ScreenView: View {
var body: some View {
Text( " Hello " )
}
}
This is the canonical SwiftUI view declaration pattern and is one of the most fundamental concepts in App Development with Swift.

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. Add the subview's code directly into the main view's body.
  • D. Create a new SwiftUI view struct and call it in the main view.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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