Module 4 of 5 in Swift Challenge Content

5-Day Swift Coding Challenge: Day 4

Apr 24 2025, Swift 6.0, iOS 18, Swift Playground 4.6

Welcome to day 4 of the 5-Day Swift Coding Challenge: Adding Interactivity. You’ll learn to add interactive elements like buttons to your user interface, and also style existing elements. By Brian Moakley.

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EXPERIENCE

Beginner level

EST TIME TO COMPLETE

22 mins

CONTENT

2 lessons

Module outcomes

Identify how to add interactivity to a SwiftUI app.
Explain the purpose of @State variables.

Covered concepts

Interactivity
Styling elements
@State variable

Module content

Day 4: Adding Interactivity Lesson (20 mins)

On the fourth day, you’ll use modifiers in your SwiftUI code to change the appearance of your layout. You’ll also learn how incorporate buttons and update the screen by way of state variables.

Start

Introduction • Start Reading · 1 min

Modifying Views Reading · 1 min

Demo: Modifying Views Video · 7 mins

Adding Buttons Reading · 1 min

Demo: Adding Buttons Video · 6 mins

Understanding State Updates Reading · 1 min

Conclusion Reading · 1 min

Quiz: Adding Interactivity 6 questions

Day 4: Homework [Optional] Lesson (3 mins)

This is the homework for day 4. Remember, homeworks are optional, but we do recommend you do them to test your skills.

Start

Overview • Start Reading · 1 min

Deliverables Reading · 1 min

Answer Key Reading · 1 min

Module outcomes

Covered concepts

Module content

5-Day Swift Coding Challenge: Day 5

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