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

Section

Objectives

Xcode Developer Tools

- Demonstrate how to build and run an app

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

- Identify and use the features of the Xcode interface

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

- 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

Swift Programming Language

- Evaluate variable scope and shadowing
- 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

- Know how and when to apply control flow and loops

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

- Use functions

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

- Declare and use basic Swift types

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

- Demonstrate proper use of structs, classes

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

- Manage data using collection types

1. Arrays
2. Dictionaries

View Building with SwiftUI

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

Apple App Development with Swift Certified User Sample Questions:

Question 1

What is the code snippet an example of?

A. Implicitly unwrapped optional
B. Optional chaining
C. Force unwrapping
D. Optional binding

Question 2

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

Question 3

Refer to this image to complete the code.

Note: You will receive partial credit for each correct answer

Question 4

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

Question 5

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

Solutions:

Question 1
Answer: D

Question 2
Answer: Only visible for members

Question 3
Answer: Only visible for members

Question 4
Answer: Only visible for members

Question 5
Answer: Only visible for members

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

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

Apple App Development with Swift Certified User Sample Questions:

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