watchOS With SwiftUI by Tutorials: Build Great Apps for the Apple Watch

by raywenderlich Tutorial Team, Scott Grosch

Length: 281 pages
Edition: 1
Language: English
Publisher: Razeware LLC
Publication Date: 2021-11-30
ISBN-10: 1950325555
ISBN-13: 9781950325559
Sales Rank: #669110 (See Top 100 Books)

Learn & Master watchOS with SwiftUI!

watchOS with SwiftUI by Tutorials is here to help you learn all you need to know about Apple Watch development using the new declarative SwiftUI framework for building modern and engaging user interfaces. Learn the main concepts by building different watchOS apps that implement all of these functionalities. In this book, you will cover most of the concepts required to master watchOS development.

Who This Book is For

This book is for beginner and intermediate developers who wish to know how to develop watchOS apps in a declarative and modern way by implementing SwiftUI.

Topics Covered in watchOS With SwiftUI by Tutorials:

App Project Structure: Learn the difference between iOS and Apple Watch project structure.
Digital Crown: Build the famous Pong video game but for watchOS and learn how the Digital Crown can enhance your users experience.
Watch Connectivity: The Watch Connectivity framework will show you the different ways you can transfer data between iOS and watchOS apps.
Snapshots: Snapshots provide a way for users to quickly view the state of an app showing updated and relevant information.
Notifications: watchOS offers support for several different types of notifications and allows you to customize them to the individual needs of your watch app.
App Lifecycle: Find out about the Apple Watch Lifecycles and how it transitions between states while extending current runtime sessions.
Complications: Complications are small elements that appear on the user’s selected watch face and provide quick access to frequently used data from within your app.
Watch Face Sharing: You can easily share your own custom Watch Faces through your iOS device or via web.
Signing in With Apple Watch: Sign in with Apple to allow simple and straight-forward registration and authentication.
HealthKit: Implement HealthKit in your WatchOS app to track health-related information and take advantage of Apple Health capabilities.

One thing you can count on: after reading this book, you’ll be prepared to develop professional Apple Watch apps with SwiftUI.

Book License
What You Need
Book Source Code & Forums
	About the Author
	About the Editors
Introduction
	How to read this book
Chapter 1: Hello, Apple Watch
	Hello, World!
	It’s just SwiftUI
	Sprucing things up
	But… watchOS code?
	Key points
Chapter 2: Project Structure
	Naming your app
	App vs. extension folders
	Adding Apple Watch support later
	Key points
Chapter 3: Digital Crown
	Pong
	Key points
Chapter 4: Watch Connectivity
	Device-to-device communication
	Getting started
	Setting up watch connectivity
	Key points
	Where to go from here?
Chapter 5: Snapshots
	Getting started
	The Dock
	Snapshot API
	Working with snapshots
	Key points
	Where to go from here?
Chapter 6: Notifications
	Where did it go?
	Short looks
	Long looks
	Local notifications
	Remote push notifications
	Key points
	Where to go from here?
Chapter 7: Lifecycle
	Common state transitions
	Always on state
	State change sample
	Extended runtime sessions
	Key points
	Where to go from here?
Chapter 8: Introduction to Complications
	Why complications?
	Complication families
	Complication identifiers
	Complication templates
	Tinted complications
	Key points
	Where to go from here?
Chapter 9: Complications
	Exploring the sample
	Complication data source
	Updating the complication’s data
	Supporting multiple families
	Freshness
	Key points
	Where to go from here?
Chapter 10: Keeping Complications Updated
	Scheduled background tasks
	Background URL downloads
	Push notifications
	Key points
Chapter 11: Tinted Complications
	Full-color
	Desaturation
	Layered images
	SwiftUI complications
	Key points
	Where to go from here?
Chapter 12: SwiftUI Complications
	Showing an appointment
	The event complication
	Tinting
	Key points
	Where to go from here?
Chapter 13: Face Sharing
	Sharing faces
	Key points
	Where to go from here?
Chapter 14: Sign in With Apple
	To authenticate or not
	Authenticate via username and password
	Handling sign in
	Signing in with Apple
	Key points
	Where to go from here?
Chapter 15: HealthKit
	Adding HealthKit
	Tracking brushing
	Tracking water
	Reading single day data
	Reading multiple days of data
	Key points
Conclusion