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

Section

Objectives

Topic 1: Swift Programming Language

- Use functions

1. Create and call a function
2. Demonstrate how to use a function's return value
3. Customize internal, external, and anonymous naming of parameters in functions
4. Implement default parameter values
5. Organize and structure code

- Manage data using collection types

1. Dictionaries
2. Arrays

- Declare and use basic Swift types

1. Demonstrate when to use constants and variables
2. Describe and use data types and operators
3. Demonstrate the use of type casting in both safe and unsafe ways
4. Interpret and use basic types

- Demonstrate proper use of structs, classes

1. Define and use property observers
2. Differentiate between structures and classes
3. Differentiate between various initializers
4. Define and use properties and methods

- Evaluate variable scope and shadowing
- Know how and when to apply control flow and loops

1. Use Guard
2. Use range operators
3. Use logical operators

- Demonstrate the use of Optional types

1. Apply Optional binding and Optional chaining (including but not limited to if let, guard let)
2. Demonstrate how to unwrap Optionals safely

Topic 2: Xcode Developer Tools

- Identify and use the features of the Xcode interface

1. Demonstrate how to access documentation and help
2. Navigate Xcode
3. Create and modify views with Interface Builder

- 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 device
2. on the iOS simulator

Topic 3: View Building with SwiftUI

- Extract Subviews to simplify the structure of an overlarge View
- Create a multi-view app with navigation Stacks, Links, and/or Sheets
- Position and/or layout a single SwiftUI View with standard Views and modifiers
- Use @State, @Binding, @Environment, and/or Observable to share data between Views
- Use List Views to iterate through collections
- Create multiple Views to implement app logic

Apple App Development with Swift Certified User Sample Questions:

1. Review the code.
Note: You might need to scroll to see the entire block of code.

A breakpoint is set on line 3. When the application is run. it will stop at line 3. You need to debug the code.
Drag each debugging control from the left to the correct instruction on the right. You will receive partial credit for each correct answer

2. Complete the code by selecting the correct option from each drop-down list to create the following screen.

Note: You will receive partial credit for each correct answer.

3. Select the location to set this app to run on an iPhone 14 in the simulator.

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

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

5. Drag the views on the left to the correct locations m the code on the fight to match the shown canvas.
You may use each View once, more than once, or not at all.