Apple App Development with Swift Certified User - App-Development-with-Swift-Certified-User

Apple App-Development-with-Swift-Certified-User test insides dumps
  • Exam Code: App-Development-with-Swift-Certified-User
  • Exam Name: App Development with Swift Certified User Exam
  • Updated: Sep 14, 2026
  • Q & A: 42 Questions and Answers
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Apple App-Development-with-Swift-Certified-User Exam Syllabus Topics:

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

Apple App Development with Swift Certified User Sample Questions:

Question #1

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: " That ' s all folks " )
  • B. BigGreenTextView( " That ' s all folks " )
  • C. BigGreenTextView(text)
  • D. BigGreenTextView(text: text)
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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Question #2


Which two assignments of a value to direction are allowed? (Choose 2.)

  • A. direction = CompassPoint(north)
  • B. direction = .north
  • C. direction = north
  • D. direction = direction.north
  • E. direction = CompassPoint.north
Reveal Solution  Discussion  0

Correct Answer: B,E  🗳️

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Question #3

Select the area in Xcode that allows you to display the Preview Canvas.

Reveal Solution  Discussion  0

Correct Answer:


Explanation:
This question belongs to Xcode Developer Tools , specifically the objective domain on identifying and using the features of the Xcode interface . In the screenshot, the correct area is the upper-right corner of the editor toolbar , where Xcode provides the control for editor display options. Apple's documentation explains that to show previews, you can use the editor controls and specifically notes that you can click the Adjust Editor Options button and choose Preview , which displays the preview canvas to the right of the editor.
So, in hotspot terms, the correct selection is the editor options control near the top-right of the code editor
, not the Run button, not the Inspector, and not the Project navigator. This aligns with Apple's preview workflow for SwiftUI in Xcode, where the canvas is shown from the editor display controls. Apple also describes the preview canvas as part of Xcode's interface for quickly visualizing UI changes while editing code.

Question #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.

Reveal Solution  Discussion  0

Correct Answer:

NavigationLink, .sheet
Explanation:
This question falls under View Building with SwiftUI , specifically the domain covering multi-view apps with navigation stacks, links, and sheets . The first blank must be NavigationLink because SwiftUI uses a navigation link inside a NavigationStack to push or present a destination view as part of the navigation hierarchy. Apple's documentation states that people tap or click a NavigationLink to present a view inside a NavigationStack or NavigationSplitView. That matches the first code section, where tapping " Show Blue View " should navigate to BlueView().
The second blank must be .sheet because the code uses isPresented: $showRedView, which is the standard SwiftUI sheet modifier for modal presentation controlled by a Boolean binding. Apple documents sheet (isPresented:onDismiss:content:) as the modifier to use when you want to present a modal view when a Boolean becomes true. Since the button toggles showRedView, SwiftUI presents RedView() modally as a sheet.
So the completed structure is effectively:
NavigationLink( " Show Blue View " ) {
BlueView()
}
sheet(isPresented: $showRedView) {
RedView()
}
This directly aligns with SwiftUI navigation and modal presentation patterns in the App Development with Swift objective domains.

Question #5

When you press ' Show Button ' on your app. a modal View appears.
Complete the code 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 , specifically the domain on creating a multi-view app with navigation stacks, links, and sheets .
To present a modal view in SwiftUI when a Boolean state changes, the correct modifier is .sheet . The matching sheet API for a Boolean binding is:
sheet(isPresented: $showInfo) {
// modal content
}
So the first blank must be .sheet , and the second blank must be (isPresented: .
The logic works like this:
* @State stores the local Boolean that controls presentation.
* Pressing the button calls showInfo.toggle(), changing the value from false to true.
* When that Boolean becomes true, the .sheet(isPresented:) modifier presents the modal view.
* When the modal is dismissed, SwiftUI updates the Boolean back as needed.
There is also a typing issue in the screenshot: the state variable appears as ShowInfo, while the button and binding use showInfo. Swift is case-sensitive, so those names must match. The corrected code should use the same identifier consistently, such as:
@State var showInfo = false
Therefore, the correct dropdown selections are:
sheet
(isPresented:

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