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Apple App-Development-with-Swift-Certified-User Exam Syllabus Topics:
| Section | Objectives |
| Xcode Developer Tools | - Identify and use the features of the Xcode interface
- 1. Demonstrate how to access documentation and help
- 2. Create and modify views with Interface Builder
- 3. Navigate Xcode
- Use debugging techniques including, but not limited to, breakpoints, watchpoints, and logging to resolve errors
- 1. Set breakpoints and step through code line by line
- Demonstrate how to build and run an app
- 1. on the iOS simulator
- 2. on the iOS device
|
| Swift Programming Language | - Know how and when to apply control flow and loops
- 1. Use range operators
- 2. Use logical operators
- 3. Use Guard
- Use functions
- 1. Implement default parameter values
- 2. Demonstrate how to use a function's return value
- 3. Create and call a function
- 4. Customize internal, external, and anonymous naming of parameters in functions
- 5. Organize and structure code
- Manage data using collection types
- 1. Arrays
- 2. Dictionaries
- Evaluate variable scope and shadowing
- Demonstrate proper use of structs, classes
- 1. Define and use properties and methods
- 2. Differentiate between structures and classes
- 3. Differentiate between various initializers
- 4. Define and use property observers
- Demonstrate the use of Optional types
- 1. Demonstrate how to unwrap Optionals safely
- 2. Apply Optional binding and Optional chaining (including but not limited to if let, guard let)
- Declare and use basic Swift types
- 1. Demonstrate the use of type casting in both safe and unsafe ways
- 2. Demonstrate when to use constants and variables
- 3. Interpret and use basic types
- 4. Describe and use data types and operators
|
| View Building with SwiftUI | - Use List Views to iterate through collections
- Create a multi-view app with navigation Stacks, Links, and/or Sheets
- Extract Subviews to simplify the structure of an overlarge View
- Create multiple Views to implement app logic
- Use @State, @Binding, @Environment, and/or Observable to share data between Views
- Position and/or layout a single SwiftUI View with standard Views and modifiers
|
Apple App Development with Swift Certified User Sample Questions:
Question 1
You need to create a Watchpoint in Xcode. In which order should you complete the actions? Move all the actions to the answer area and place them in the correct order.

Question 2
Review the code snippet.

Move each item from the list on the left to the correct code segment on the right. You may use each item only once.
Note: You will receive partial credit for each correct response.

Question 3
Given the function, which two function calls are valid? (Choose 2.)

A. let sun = rightSum(numl: 100, num2: 50)
B. let Sun - rightSum(numl: 100, by: SO, and: SO)
C. let sum - rightSum(100, by: 30, and: 20)
D. let sum r\ ght5um(100, by: 50)
E. let sum = rightSum(100, num2: SO, and: 20)
Question 4
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. Declare the subview as a variable inside the main view and call it directly.
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.
Question 5
Review the code snippet.

The code snippet does not compile.
Which two actions will fix the errors? (Choose 2.)
A. Change the initial value of totalCost from o to 0.0.
B. Change shipping from let to var to make it mutable.
C. Change totalCost from let to var to make it mutable.
D. Chang the type of unitPrice from Double to Int.
E. Change the type of quantity from int to Double .
Solutions:
Question 1 Answer: Only visible for members | Question 2 Answer: Only visible for members | Question 3 Answer: C,D | Question 4 Answer: C | Question 5 Answer: C,E |