book

SwiftUI Cookbook - Second Edition

Name: SwiftUI Cookbook - Second Edition
ISBN: 9781803234458

by Giordano Scalzo, Edgar Nzokwe

November 2021

Intermediate to advanced

616 pages

11h 10m

English

Packt Publishing

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SwiftUI Cookbook
Second EditionContributorsAbout the authorsAbout the reviewers
Preface
Who this book is forWhat this book coversTo get the most out of this bookDownload the example code filesDownload the color imagesConventions usedSectionsGetting readyHow to do it…How it works…There's more…See alsoGet in touch
Chapter 1: Using the Basic SwiftUI Views and Controls
Technical requirementsLaying out componentsGetting readyHow to do it…How it works…There's more…Dealing with textGetting readyHow to do it…How it works…There's more…See alsoUsing imagesGetting readyHow to do it…How it works…See alsoAdding buttons and navigating with themGetting readyHow to do it…How it works…See alsoBeyond buttons – using advanced pickersGetting readyHow to do it…How it works…Applying groups of styles using ViewModifierGetting readyHow to do it…How it works…See alsoSeparating presentation from content with ViewBuilderGetting readyHow to do it…How it works…See alsoSimple graphics using SF SymbolsGetting readyHow to do it…How it works…See alsoIntegrating UIKit into SwiftUI – the best of both worldsGetting readyHow to do it…How it works…See alsoAdding SwiftUI to an existing appGetting readyHow to do it…How it works…Exploring more views and controls (iOS 14+)Getting readyHow to do it…How it works…
Chapter 2: Going Beyond the Single Component with Lists and Scroll Views
Technical requirements Using scroll viewsGetting readyHow to do it…How it works…See alsoCreating a list of static itemsGetting readyHow to do it…How it works…Using custom rows in a listGetting readyHow to do it…How it works…Adding rows to a listGetting readyHow to do it…How it works…Deleting rows from a listGetting readyHow to do it…How it works…There's more…Creating an editable List viewGetting readyHow to do it…How it works…There's more…Moving the rows in a List viewGetting readyHow to do it…How it works…Adding sections to a listGetting readyHow to do it…How it works…Creating editable CollectionsGetting readyHow to do it…How it works…Using Searchable listsGetting readyHow to do it…How it works…There's more…
Chapter 3: Exploring Advanced Components
Technical requirements Using LazyHStack and LazyVStackGetting readyHow to do it…How it works…There's more…Displaying tabular content with LazyHGrid and LazyVGridGetting readyHow to do it…How it works…Scrolling programmatically with ScrollViewReaderGetting readyHow to do it…How it works…Displaying hierarchical content in expanding listsGetting readyHow to do it…How it works…There's more…Using disclosure groups to hide and show contentGetting readyHow to do it…How it works…Creating SwiftUI widgetsGetting readyHow to do it…How it works…See also
Chapter 4: Viewing while Building with SwiftUI Preview
Technical requirements Previewing a layout in dark modeGetting readyHow to do itHow it worksPreviewing a layout at different dynamic type sizesGetting readyHow to do itHow it worksSee alsoPreviewing a layout in a NavigationViewGetting readyHow to do itHow it worksPreviewing a layout on different devicesGetting readyHow to do itHow it worksUsing previews in UIKitGetting readyHow to do itHow it worksSee alsoUsing mock data for previewsGetting readyHow to do itHow it worksThere's more
Chapter 5: Creating New Components and Grouping Views with Container Views
Technical requirements Showing and hiding sections in formsGetting readyHow to do it…How it works…There's more…See alsoDisabling and enabling items in formsGetting readyHow to do it…How it works…Filling out forms easily using Focus and SubmitGetting readyHow to do it…How it works…There's more…See alsoNavigating between multiple views with TabViewGetting readyHow to do it…How it works…There's more…See alsoUsing gestures with TabViewGetting readyHow to do it…How it works…
Chapter 6: Presenting Extra Information to the User
Technical requirements Presenting alertsGetting readyHow to do itHow it worksSee alsoAdding actions to alert buttonsGetting readyHow to do itHow it worksPresenting confirmation dialogsGetting readyHow to do itHow it worksSee alsoPresenting new views using sheetsGetting readyHow to do itHow it worksSee alsoCreating context menusGetting readyHow to do itHow it worksSee alsoDisplaying popoversGetting readyHow to do itHow it worksSee also
Chapter 7: Drawing with SwiftUI
Technical requirements Using SwiftUI's built-in shapesGetting readyHow to do it…How it works…Drawing a custom shapeGetting readyHow to do it…How it works…Drawing a curved custom shapeGetting readyHow to do it…How it works…Drawing using the Canvas APIGetting readyHow to do it…How it works…There's more…Implementing a progress ringGetting readyHow to do it…How it works…Implementing a Tic-Tac-Toe game in SwiftUIGetting readyHow to do it…How it works…There's more…Rendering a gradient view in SwiftUIGetting readyHow to do it…How it works…Building a bar chartGetting readyHow to do it…How it works…There's more…Building a pie chartGetting readyHow to do it…How it works
Chapter 8: Animating with SwiftUI
Technical requirements Creating basic animationsGetting readyHow to do it…How it works…There's more…See alsoTransforming shapesGetting readyHow to do it…How it works…Creating a banner with a spring animationGetting readyHow to do it…How it works…Applying a delay to a view modifier animation to create a sequence of animationsGetting readyHow to do it…How it works…Applying a delay to a withAnimation function to create a sequence of animationsGetting readyHow to do it…How it works…Applying multiple animations to a viewGetting readyHow to do it…How it works…Creating custom view transitionsGetting readyHow to do it…How it works…Creating a hero view transition with .matchedGeometryEffectGetting readyHow to do it…How it works…Lottie animations in SwiftUIGetting readyHow to do it…How it works…Implementing a stretchable header in SwiftUIGetting readyHow to do it…How it works…Creating floating hearts in SwiftUIGetting readyHow to do it…How it works…See alsoImplementing a swipeable stack of cards in SwiftUIGetting readyHow to do it…How it works…

Chapter 9: Driving SwiftUI with Data
Technical requirements Using @State to drive a View's behaviorGetting readyHow to do it…How it works…See alsoUsing @Binding to pass a state variable to child ViewsGetting readyHow to do it…How it works…Implementing a CoreLocation wrapper as @ObservedObjectGetting readyHow to do it…How it works…Using @StateObject to preserve the model's life cycleGetting readyHow to do it…How it works...Sharing state objects with multiple Views using @EnvironmentObjectGetting readyHow to do it…How it works…See also
Chapter 10: Driving SwiftUI with Combine
Technical requirements Introducing Combine in a SwiftUI projectGetting readyHow to do it…How it works…See alsoManaging the memory in Combine to build a timer appGetting readyHow to do it…How it works…See alsoValidating a form using CombineGetting readyHow to do it…How it works…There's more…Fetching remote data using Combine and visualizing it in SwiftUIGetting readyHow to do it…How it works…There's more…Debugging an app based on CombineGetting readyHow to do it…How it works…There's more…Unit testing an app based on CombineGetting readyHow to do it…How it works…
Chapter 11: SwiftUI Concurrency with async await
Technical requirements Integrating SwiftUI and an async functionGetting readyHow to do it…How it works…Fetching remote data in SwiftUIGetting readyHow to do it…How it works…Pulling and refreshing data asynchronously in SwiftUIGetting readyHow to do it…How it works…Converting a completion block function to async awaitGetting readyHow to do it…How it works…See alsoImplementing infinite scrolling with async awaitGetting readyHow to do it…How it works…See also
Chapter 12: Handling Authentication and Firebase with SwiftUI
Technical requirements Implementing Sign in with Apple in a SwiftUI appGetting readyHow to do it…How it works…Integrating Firebase into a SwiftUI projectGetting readyHow to do it…How it works…There's more…Using Firebase to sign in using GoogleGetting readyHow to do it…How it works…Implementing a distributed Notes app with Firebase and SwiftUIGetting readyHow to do it…How it works…There's more…
Chapter 13: Handling Core Data in SwiftUI
Technical requirements Integrating Core Data with SwiftUIGetting readyHow to do it…How it works…There's more…Showing Core Data objects with @FetchRequestGetting readyHow to do it…How it works…Adding Core Data objects from a SwiftUI viewGetting readyHow to do it…How it works…Filtering Core Data requests using a predicateGetting readyHow to do it…How it works…Deleting Core Data objects from a SwiftUI viewGetting readyHow to do it…How it works…Presenting data in a sectioned list with @SectionedFetchRequestGetting readyHow to do it…How it works…
Chapter 14: Creating Cross-Platform Apps with SwiftUI
Technical requirements Creating an iOS app in SwiftUIGetting readyHow to do it…How it works…Creating the macOS version of the iOS appGetting readyHow to do it…How it works…Creating the watchOS version of the iOS appGetting readyHow to do it…How it works…
Chapter 15: SwiftUI Tips and Tricks
Technical requirements Snapshot testing SwiftUI viewsGetting readyHow to do it…How it works…Unit testing SwiftUI with ViewInspectorGetting readyHow to do it…How it works…See alsoShowing a PDF in SwiftUIGetting readyHow to do it…How it works…There's more…Implementing SwiftUI views using PlaygroundGetting readyHow to do it…How it works…Using custom fonts in SwiftUIGetting readyHow to do it…How it works…Implementing a Markdown editor with PreviewGetting readyHow to do it…How it works…Hi!
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Overview

The "SwiftUI Cookbook" is your ultimate guide to mastering SwiftUI, Apple's revolutionary UI framework. Through practical recipes, this book equips you with the tools to build stunning and efficient applications for iOS, macOS, watchOS, and tvOS. By delving into its pages, you'll quickly learn to solve common SwiftUI challenges and harness its powerful new features.

What this Book will help me do

Understand the core components of SwiftUI, such as views, controls, and layout options, and how to use them to construct sophisticated UIs.
Gain skills in creating dynamic visual elements using SwiftUI animations and transitions.
Learn to integrate SwiftUI applications with critical Apple frameworks like Core Data and Firebase.
Master advanced SwiftUI techniques like managing concurrency with async/await and working with Combine.
Acquire knowledge of implementing user authentication, using Firebase and Sign in with Apple in a SwiftUI application.

Author(s)

Giordano Scalzo and None Nzokwe are seasoned developers and authors with deep expertise in the Swift programming language and Apple's development ecosystem. Their joint experience spans several years of creating impactful applications for Apple's platforms. They bring a hands-on, practical approach to teaching SwiftUI, ensuring their insights are actionable and valuable for developers.

Who is it for?

This book is ideal for iOS developers familiar with Swift who are transitioning from UIKit to SwiftUI. It is also perfect for developers of all levels looking to explore SwiftUI's cross-platform capabilities. If you want to understand SwiftUI's potential for crafting attractive and efficient applications across Apple's ecosystem, this book is for you.

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