Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
SwiftUI Cookbook

You're reading from   SwiftUI Cookbook Discover solutions and best practices to tackle the most common problems while building SwiftUI apps

Arrow left icon
Product type Paperback
Published in Oct 2020
Publisher Packt
ISBN-13 9781838981860
Length 614 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Authors (2):
Arrow left icon
Edgar Nzokwe Edgar Nzokwe
Author Profile Icon Edgar Nzokwe
Edgar Nzokwe
Giordano Scalzo Giordano Scalzo
Author Profile Icon Giordano Scalzo
Giordano Scalzo
Arrow right icon
View More author details
Toc

Table of Contents (15) Chapters Close

Preface 1. Chapter 1: Using the Basic SwiftUI Views and Controls 2. Chapter 2: Going Beyond the Single Component with Lists and Scroll Views FREE CHAPTER 3. Chapter 3: Viewing while Building with SwiftUI Preview 4. Chapter 4: Creating New Components and Grouping Views in Container Views 5. Chapter 5: Presenting Extra Information to the User 6. Chapter 6: Drawing with SwiftUI 7. Chapter 7: Animating with SwiftUI 8. Chapter 8: Driving SwiftUI with Data 9. Chapter 9: Driving SwiftUI with Combine 10. Chapter 10: Handling Authentication and Firebase with SwiftUI 11. Chapter 11: Handling Core Data in SwiftUI 12. Chapter 12: Cross-Platform SwiftUI 13. Chapter 13: SwiftUI Tips and Tricks 14. Other Books You May Enjoy

Creating a context menu

A context menu is a pop-up menu used to display actions that the developer anticipates the user might want to take. SwiftUI context menus are triggered using 3D Touch on iOS and a right-click on macOS.

A context menu consists of a collection of buttons displayed horizontally in an implicit HStack.

In this recipe, we will create a context menu to change the color of an SF symbol.

Getting ready

Create a new SwiftUI project named ContextMenuApp.

How to do it

We will display a light bulb in our view and change its color using a context menu. To achieve this, we'll need to create an @State variable to hold the current color of the bulb and change its value within the context menu. The steps are as follows:

  1. Just above the body variable in ContentView.swift, add an @State variable to hold the color of the bulb. Initialize it to red:
    @State private var bulbColor = Color.red
  2. Within the body variable, change the Text struct to an Image...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image