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

Section

Objectives

Xcode Developer Tools

- 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

- Identify and use the features of the Xcode interface

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

- Demonstrate how to build and run an app

1. on the iOS device
2. on the iOS simulator

Swift Programming Language

- Demonstrate proper use of structs, classes

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

- 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)

- Use functions

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

- Declare and use basic Swift types

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

- Evaluate variable scope and shadowing
- Manage data using collection types

1. Dictionaries
2. Arrays

- Know how and when to apply control flow and loops

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

View Building with SwiftUI

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

Apple App Development with Swift Certified User Sample Questions:

1. You are creating or updating human resource records for your employees. For each identifier, select whether it is a Constant or a Variable Note: You will receive partial credit for each correct answer.

2. 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 = Array(faces.keys)
B) let emojis - Array(faces.values)
C) let emojis - List(faces.koys())
D) let emojis List(faces.values())

3. Which two statements about building an app are true? (Choose 2.)

A) Your phone must always be physically attached to your Mac to run your apps from Xcode on it.
B) You need a paid Apple Developer account in order to run your app on your phone.
C) You can preview a View in the Canvas without running your app.
D) You can run your app in the simulator with Generic iOS Device chosen.
E) You can run an app on your phone and get debug information in Xcode.

4. Match the Swift Properly Wrapper names to the correct descriptions.