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  • Book Overview & Buying iOS 16 Programming for Beginners
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iOS 16 Programming for Beginners

iOS 16 Programming for Beginners - Seventh Edition

By : Ahmad Sahar, Craig Clayton
4.7 (50)
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iOS 16 Programming for Beginners

iOS 16 Programming for Beginners

4.7 (50)
By: Ahmad Sahar, Craig Clayton
Buy this Book

Overview of this book

With almost 2 million apps on the App Store, iOS mobile apps continue to be incredibly popular. Anyone can reach millions of customers around the world by publishing their apps on the App Store, which means that competent iOS developers are in high demand. iOS 16 Programming for Beginners, Seventh Edition, is a comprehensive introduction for those who are new to iOS, covering the entire process of learning the Swift language, writing your own app, and publishing it on the App Store. This book follows a hands-on approach. With step-by-step tutorials to real-life examples and easy-to-understand explanations of complicated topics, each chapter will help you learn and practice the Swift language to build your apps and introduce exciting new technologies to incorporate into your apps. You'll learn how to publish iOS apps and work with new iOS 16 features such as Mac Catalyst, SwiftUI, Lock Screen widgets, WeatherKit, and much more. By the end of this iOS development book, you'll have the knowledge and skills to write and publish interesting apps, and more importantly, to use the online resources available to enhance your app development journey.
Table of Contents (34 chapters)
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Preface
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Preface
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Who this book is for
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What this book covers
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To get the most out of this book
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Get in touch
1
Part I: Swift
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Part I: Swift
Lock Free Chapter
2
Getting Familiar with Xcode
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Getting Familiar with Xcode
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Technical requirements
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Downloading and installing Xcode from the App Store
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Understanding the Xcode user interface
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Running the app in the iOS simulator
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Using an iOS device for development
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Summary
3
Simple Values and Types
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Simple Values and Types
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Technical requirements
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Understanding Swift playgrounds
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Exploring data types
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Exploring constants and variables
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Understanding type inference and type safety
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Exploring operators
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Using the print() statement
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Summary
4
Conditionals and Optionals
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Conditionals and Optionals
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Technical requirements
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Introducing conditionals
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Introducing optionals and optional binding
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Summary
5
Range Operators and Loops
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Range Operators and Loops
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Technical requirements
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Exploring Range Operators
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Exploring Loops
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Summary
6
Collection Types
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Collection Types
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Technical requirements
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Understanding arrays
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Understanding dictionaries
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Understanding sets
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Summary
7
Functions and Closures
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Functions and Closures
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Technical requirements
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Understanding functions
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Understanding closures
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Summary
8
Classes, Structures, and Enumerations
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Classes, Structures, and Enumerations
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Technical requirements
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Understanding classes
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Understanding structures
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Understanding enumerations
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Summary
9
Protocols, Extensions, and Error Handling
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Protocols, Extensions, and Error Handling
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Technical requirements
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Understanding protocols
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Understanding extensions
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Exploring error handling
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Summary
10
Swift Concurrency
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Swift Concurrency
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Technical requirements
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Understanding Swift Concurrency
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Examining an app without concurrency
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Updating the app using async/await
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Improving efficiency using async-let
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Summary
11
Part II: Design
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Part II: Design
12
Setting Up the User Interface
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Setting Up the User Interface
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Technical requirements
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Learning useful terms in iOS development
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Touring the Let’s Eat app
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Creating a new Xcode project
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Setting up a tab bar controller scene
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Setting up the Launch screen
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Summary
13
Building Your User Interface
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Building Your User Interface
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Technical requirements
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Adding a collection view to the Explore screen
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Connecting storyboard elements to outlets in a view controller
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Configuring data source methods for the collection view
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Adding a section header to the collection view
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Configuring storyboard element sizes
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Presenting a view modally
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Summary
14
Finishing Up Your User Interface
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Finishing Up Your User Interface
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Technical requirements
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Adding a table view to the Locations screen
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Implementing the Restaurant List screen
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Implementing the Restaurant Detail screen
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Implementing the Map screen
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Summary
15
Modifying and Configuring Cells
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Modifying and Configuring Cells
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Technical requirements
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Modifying the Explore screen section header
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Modifying the exploreCell collection view cell
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Modifying the restaurantCell collection view cell
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Configuring the locationCell table view cell
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Summary
16
Part III: Code
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Part III: Code
17
Getting Started with MVC and Collection Views
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Getting Started with MVC and Collection Views
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Technical requirements
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Understanding the Model-View-Controller design pattern
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Exploring controllers and classes
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Summary
18
Getting Data into Collection Views
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Getting Data into Collection Views
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Technical requirements
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Understanding model objects
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Understanding .plist files
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Creating a structure to represent a cuisine
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Implementing a data manager class to read data from a .plist file
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Displaying data in a collection view
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Summary
19
Getting Started with Table Views
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Getting Started with Table Views
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Technical requirements
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Understanding table views
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Creating the LocationViewController class
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Adding location data for the table view
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Creating the LocationDataManager class
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Summary
20
Getting Started with MapKit
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Getting Started with MapKit
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Technical requirements
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Understanding and creating annotations
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Adding annotations to a map view
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Going from the Map screen to the Restaurant Detail screen
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Organizing your code
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Summary
21
Getting Started with JSON Files
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Getting Started with JSON Files
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Technical requirements
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Getting data from JSON files
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Using data from JSON files in your app
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Configuring the MapDataManager instance to use data from the RestaurantDataManager instance
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Storing a user-selected location
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Passing location and cuisine information to the RestaurantListViewController instance
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Summary
22
Displaying Data in a Static Table View
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Displaying Data in a Static Table View
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Technical requirements
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Setting up outlets for the RestaurantDetailViewController class
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Displaying data in the static table view
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Passing data to the RestaurantDetailViewController instance
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Summary
23
Getting Started with Custom UIControls
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Getting Started with Custom UIControls
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Technical requirements
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Creating a custom UIControl subclass
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Adding support for touch events
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Implementing an unwind method for the Cancel button
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Creating the ReviewFormViewController class
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Summary
24
Getting Started with Cameras and Photo Libraries
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Getting Started with Cameras and Photo Libraries
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Technical requirements
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Understanding filters
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Creating model objects for the Photo Filter screen
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Creating the ImageFiltering protocol
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Creating classes for the Photo Filter screen
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Getting permission to use the camera or photo library
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Summary
25
Understanding Core Data
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Understanding Core Data
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Technical requirements
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Introducing Core Data
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Implementing Core Data components for your app
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Understanding how saving and loading works
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Updating the ReviewFormViewController class to save reviews
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Updating the PhotoFilterViewController class to save photos
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Displaying saved reviews and photos on the Restaurant Detail screen
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Calculating a restaurant’s overall rating
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Summary
26
Part IV: Features
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Part IV: Features
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Getting Started with Mac Catalyst
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Getting Started with Mac Catalyst
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Technical requirements
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Fixing user interface issues
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Making your app run on all iOS devices
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Updating the app to work on macOS
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Summary
28
Getting Started with SwiftUI
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Getting Started with SwiftUI
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Technical requirements
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Creating a SwiftUI Xcode project
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Creating the Restaurant List screen
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Adding model objects and configuring navigation
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Using UIKit and SwiftUI Views together
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Completing the Restaurant Detail screen
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Summary
29
Getting Started with Lock Screen Widgets
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Getting Started with Lock Screen Widgets
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Technical requirements
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Introducing widgets
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Adding a widget target to your app
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Providing timeline entries to your widget
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Customizing your widget’s view
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Adding a widget to your Lock screen
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Summary
30
Getting Started with WeatherKit
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Getting Started with WeatherKit
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Technical requirements
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Understanding WeatherKit
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Preparing your app to use WeatherKit
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Creating the WeatherDataManager class
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Displaying Weather data on the Restaurant Detail screen
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Summary
31
Testing and Submitting Your App to the App Store
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Testing and Submitting Your App to the App Store
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Technical requirements
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Getting an Apple Developer account
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Exploring your Apple Developer account
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Submitting your app to the App Store
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Testing your app
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Summary
32
Other Books You May Enjoy
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Other Books You May Enjoy
33
Index
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Index

Adding model objects and configuring navigation

You now have a view that can be used to display the details of a restaurant. You’ll use this view as a cell in a SwiftUI list, which is a container that presents data in a single column. You’ll also configure model objects to populate this list. Follow these steps.

  1. Command + click on the HStack view and choose Embed in List to display a list containing five cells in the canvas, and remove the Spacer objects:

Figure 24.13: Editor area showing pop-up menu with Embed in List selected

  1. Verify that your code looks like this: 
    struct ContentView: View {
   var body: some View {
      List(0 ..<5) { item in 
         VStack{
            Text("The Tap Trailhouse")
               .font(.headline)
            Text("Brewery, Burgers, American")
               .font(.subheadline)
               .foregroundColor(.secondary)
            Image(systemName: "globe&quot...
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iOS 16 Programming for Beginners
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