iOS 10 App Development Essentials

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© 2016 Neil Smyth / Payload Media. This eBook is provided for personal use only. Unauthorized use, reproduction and/or distribution strictly prohibited. All rights reserved.

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Learn SwiftUI and take your iOS Development to the Next Level SwiftUI Essentials – iOS 16 Edition book is now available in Print ($39.99) and eBook ($29.99) editions. Learn more...

Start Here Joining the Apple iOS Developer Program Installing Xcode 8 and the iOS 10 SDK A Guided Tour of Xcode 8 An Introduction to Swift Playgrounds Swift Data Types, Constants and Variables Swift Operators and Expressions Swift Flow Control The Swift Switch Statement An Overview of Swift Functions and Closures The Basics of Object Oriented Programming in Swift An Introduction to Swift Inheritance Working with Array and Dictionary Collections in Swift Creating an Interactive iOS 8 App Creating the New Project Creating the User Interface Building and Running the Sample Application Adding Actions and Outlets Building and Running the Finished Application Hiding the Keyboard Understanding iOS 8 Views, Windows and the View Hierarchy An Overview of Views The UIWindow Class The View Hierarchy View Types The Window Container Views Controls Display Views Text and Web Views Navigation Views and Tab Bars Alert Views An Introduction to Auto Layout in iOS 8 An Overview of Auto Layout Alignment Rects Intrinsic Content Size Content Hugging and Compression Resistance Priorities Three Ways to Create Constraints Constraints in more Detail Working with iOS 8 Auto Layout Constraints in Interface Builder A Simple Example of Auto Layout in Action Enabling and Disabling Auto Layout in Interface Builder The Auto Layout Features of Interface Builder Suggested Constraints Visual Cues Highlighting Constraint Problems Viewing, Editing and Deleting Constraints Creating New Constraints in Interface Builder Adding Aspect Ratio Constraints Resolving Auto Layout Problems An iOS 8 Auto Layout Example Preparing the Project Designing the User Interface Adding Auto Layout Constraints Adjusting Constraint Priorities Testing the Application Implementing iOS 8 Auto Layout Constraints in Swift Code Creating Constraints in Code Adding a Constraint to a View Turning off Auto Resizing Translation An Example Application Creating the Views Creating and Adding the Constraints Removing Constraints Implementing Cross-Hierarchy Auto Layout Constraints in iOS 8 The Example Application Establishing Outlets Writing the Code to Remove the Old Constraint Adding the Cross Hierarchy Constraint Testing the Application Understanding the iOS 8 Auto Layout Visual Format Language in Swift The Example Application Establishing Outlets Writing the Code to Remove the Old Constraint Adding the Cross Hierarchy Constraint Testing the Application Using Size Classes to Design Universal iOS User Interfaces Understanding Size Classes Size Classes in Interface Builder Setting “Any” Defaults Working with Size Classes in Interface Builder A Universal User Interface Tutorial Designing the iPad Layout Adding Universal Image Assets Designing the iPhone Layout Adding a Size Class Specific Image File Removing Redundant Constraints Previewing Layouts Testing the Application Using Storyboards in Xcode 6 Creating the Storyboard Example Project Accessing the Storyboard Adding Scenes to the Storyboard Configuring Storyboard Segues Configuring Storyboard Transitions Associating a View Controller with a Scene Passing Data Between Scenes Unwinding Storyboard Segues Triggering a Storyboard Segue Programmatically Using Xcode 6 Storyboards to Create an iOS 8 Tab Bar Application An Overview of the Tab Bar Understanding View Controllers in a Multiview Application Setting up the Tab Bar Example Application Reviewing the Project Files Adding the View Controllers for the Content Views Adding the Tab Bar Controller to the Storyboard Designing the View Controller User interfaces Configuring the Tab Bar Items Building and Running the Application An Overview of iOS 8 Table Views and Xcode 6 Storyboards An Overview of the Table View Static vs. Dynamic Table Views The Table View Delegate and dataSource Table View Styles Self-Sizing Table Cells Dynamic Type Table View Cell Styles Table View Cell Reuse Using Storyboards and Swift to Build Dynamic TableViews with Prototype Table View Cells Creating the Example Project Adding the TableView Controller to the Storyboard Creating the UITableViewController and UITableViewCell Subclasses Declaring the Cell Reuse Identifier Designing a Storyboard UITableView Prototype Cell Modifying the AttractionTableViewCell Class Creating the Table View Datasource Downloading and Adding the Image Files Compiling and Running the Application Implementing iOS 8 TableView Navigation using Storyboards in Xcode 6 and Swift Understanding the Navigation Controller Adding the New Scene to the Storyboard Adding a Navigation Controller Establishing the Storyboard Segue Modifying the AttractionDetailViewController Class Using prepareForSegue to Pass Data between Storyboard Scenes Testing the Application An iOS 8 Swift Split View Master-Detail Example An Overview of Split View and Popovers About the Example Split View Project Creating the Project Reviewing the Project Configuring Master View Items Configuring the Detail View Controller Connecting Master Selections to the Detail View Modifying the DetailViewController Class Testing the Application Implementing a Swift Page based iOS 8 Application using UIPageViewController The UIPageViewController Class The UIPageViewController DataSource Navigation Orientation Spine Location The UIPageViewController Delegate Protocol An Example Swift iOS 8 UIPageViewController Application The Xcode Page-based Application Template Creating the Project Adding the Content View Controller Creating the Data Model Initializing the UIPageViewController Running the UIPageViewController Application Working with Directories in Swift on iOS 8 The Application Documents Directory The NSFileManager, NSFileHandle and NSData Classes Understanding Pathnames in Swift Obtaining a Reference to the Default NSFileManager Object Identifying the Current Working Directory Identifying the Documents Directory Identifying the Temporary Directory Changing Directory Deleting a Directory Listing the Contents of a Directory Getting the Attributes of a File or Directory Working with Files in Swift on iOS 8 Creating an NSFileManager Instance Checking for the Existence of a File Comparing the Contents of Two Files Checking if a File is Readable/Writable/Executable/Deletable Moving/Renaming a File Copying a File Removing a File Creating a Symbolic Link Reading and Writing Files with NSFileManager Working with Files using the NSFileHandle Class Creating an NSFileHandle Object NSFileHandle File Offsets and Seeking Reading Data from a File Writing Data to a File Truncating a File iOS 8 Directory Handling and File I/O in Swift – A Worked Example The Example Application Setting up the Application Project Designing the User Interface Checking the Data File on Application Startup Implementing the Action Method Building and Running the Example Preparing an iOS 8 App to use iCloud Storage iCloud Data Storage Services Preparing an Application to Use iCloud Storage Enabling iCloud Support for an iOS 8 Application Reviewing the iCloud Entitlements File Accessing Multiple Ubiquity Containers Ubiquity Container URLs Managing Files using the iOS 8 UIDocument Class An Overview of the UIDocument Class Subclassing the UIDocument Class Conflict Resolution and Document States The UIDocument Example Application Creating a UIDocument Subclass Designing the User Interface Implementing the Application Data Structure Implementing the contentsForType Method Implementing the loadFromContents Method Loading the Document at App Launch Saving Content to the Document Testing the Application Using iCloud Storage in an iOS 8 Application iCloud Usage Guidelines Preparing the iCloudStore Application for iCloud Access Configuring the View Controller Implementing the viewDidLoad Method Implementing the metadataQueryDidFinishGathering Method Implementing the saveDocument Method Enabling iCloud Document and Data Storage Running the iCloud Application Reviewing and Deleting iCloud Based Documents Making a Local File Ubiquitous Synchronizing iOS 8 Key-Value Data using iCloud An Overview of iCloud Key-Value Data Storage Sharing Data Between Applications Data Storage Restrictions Conflict Resolution Receiving Notification of Key-Value Changes An iCloud Key-Value Data Storage Example Enabling the Application for iCloud Key Value Data Storage Designing the User Interface Implementing the View Controller Modifying the viewDidLoad Method Implementing the Notification Method Implementing the saveData Method Testing the Application iOS 8 Data Persistence using Archiving and Swift An Overview of Archiving The Archiving Example Application Designing the User Interface Checking for the Existence of the Archive File on Startup Archiving Object Data in the Action Method Testing the Application Swift iOS 8 Database Implementation using SQLite What is SQLite? Structured Query Language (SQL) Trying SQLite on MacOS X Preparing an iOS Application Project for SQLite Integration SQLite, Swift and Wrappers Key FMDB Classes Creating and Opening a Database Creating a Database Table Extracting Data from a Database Table Closing a SQLite Database An Example SQLite based iOS 8 Application using Swift and FMDB About the Example SQLite Application Creating and Preparing the SQLite Application Project Checking Out the FMDB Source Code Designing the User Interface Creating the Database and Table Implementing the Code to Save Data to the SQLite Database Implementing Code to Extract Data from the SQLite Database Building and Running the Application iOS 8 Databases in Swift using Core Data The Core Data Stack Managed Objects Managed Object Context Managed Object Model Persistent Store Coordinator Persistent Object Store Defining an Entity Description Obtaining the Managed Object Context Getting an Entity Description Generating a Managed Object Subclass Setting the Attributes of a Managed Object Saving a Managed Object Fetching Managed Objects Retrieving Managed Objects based on Criteria Accessing the Data in a Retrieved Managed Object An iOS 8 Swift Core Data Tutorial The Core Data Example Application Creating a Core Data based Application Creating the Entity Description Generating the Managed Object Subclass Modifying the Entity Class Name Designing the User Interface Accessing the Managed Object Context Saving Data to the Persistent Store using Core Data Retrieving Data from the Persistent Store using Core Data Building and Running the Example Application An Introduction to CloudKit Data Storage on iOS 8 An Overview of CloudKit CloudKit Containers CloudKit Public Database CloudKit Private Databases Data Storage and Transfer Quotas CloudKit Records CloudKit Record IDs CloudKit References CloudKit Assets Record Zones CloudKit Subscriptions Obtaining iCloud User Information CloudKit Dashboard An iOS 8 CloudKit Example About the Example CloudKit Project Creating the CloudKit Example Project Designing the User Interface Establishing Outlets and Actions Accessing the Public Database Hiding the Keyboard Implementing the selectPhoto method Saving a Record to the Cloud Database Implementing the notifyUser Method Testing the Record Saving Method Searching for Cloud Database Records Updating Cloud Database Records Deleting a Cloud Record Testing the Application An iOS 8 CloudKit Subscription Example Push Notifications and CloudKit Subscriptions Registering an App to Receive Push Notifications Configuring a CloudKit Subscription Handling Remote Notifications Implementing the didReceiveRemoteNotification Method Fetching a Record From a Cloud Database Implementing the didFinishLaunchingWithOptions Method Testing the Application An Overview of iOS 8 Multitouch, Taps and Gestures The Responder Chain Forwarding an Event to the Next Responder Gestures Taps Touches Touch Notification Methods touchesBegan method touchesMoved method touchesEnded method touchesCancelled method An Example Swift iOS 8 Touch, Multitouch and Tap Application The Example iOS 8 Tap and Touch Application Creating the Example iOS Touch Project Designing the User Interface Enabling Multitouch on the View Implementing the touchesBegan Method Implementing the touchesMoved Method Implementing the touchesEnded Method Getting the Coordinates of a Touch Building and Running the Touch Example Application Detecting iOS 8 Touch Screen Gesture Motions in Swift The Example iOS 8 Gesture Application Creating the Example Project Designing the Application User Interface Implementing the touchesBegan Method Implementing the touchesMoved Method Implementing the touchesEnded Method Building and Running the Gesture Example Identifying Gestures using iOS 8 Gesture Recognizers The UIGestureRecognizer Class Recognizer Action Messages Discrete and Continuous Gestures Obtaining Data from a Gesture Recognizing Tap Gestures Recognizing Pinch Gestures Detecting Rotation Gestures Recognizing Pan and Dragging Gestures Recognizing Swipe Gestures Recognizing Long Touch (Touch and Hold) Gestures An iOS 8 Swift Gesture Recognition Tutorial Creating the Gesture Recognition Project Designing the User Interface Implementing the Action Methods Testing the Gesture Recognition Application Implementing TouchID Authentication in iOS 8 Apps The Local Authentication Framework Checking for TouchID Availability Evaluating TouchID Policy A TouchID Example Project Checking for TouchID Availability Seeking TouchID Authentication Testing the Application An Overview of iOS 8 Collection View and Flow Layout An Overview of Collection Views The UICollectionView Class The UICollectionViewCell Class The UICollectionReusableView Class The UICollectionViewFlowLayout Class The UICollectionViewLayoutAttributes Class The UICollectionViewDataSource Protocol The UICollectionViewDelegate Protocol The UICollectionViewDelegateFlowLayout Protocol Cell and View Reuse A Swift iOS 8 Storyboard-based Collection View Tutorial Creating the Collection View Example Project Removing the Template View Controller Adding a Collection View Controller to the Storyboard Adding the Collection View Cell Class to the Project Designing the Cell Prototype Implementing the Data Model Implementing the Data Source Testing the Application Setting Sizes for Cell Items Changing Scroll Direction Implementing a Supplementary View Implementing the Supplementary View Protocol Methods Subclassing and Extending the iOS 8 Collection View Flow Layout in Swift About the Example Layout Class Subclassing the UICollectionViewFlowLayout Class Extending the New Layout Class Implementing the layoutAttributesForItemAtIndexPath Method Implementing the layoutAttributesForElementsInRect Method Implementing the modifyLayoutAttributes Method Adding the New Layout and Pinch Gesture Recognizer Implementing the Pinch Recognizer Avoiding Image Clipping Testing the Application Drawing iOS 8 2D Graphics in Swift with Core Graphics Introducing Core Graphics and Quartz 2D The drawRect Method Points, Coordinates and Pixels The Graphics Context Working with Colors in Quartz 2D Interface Builder Live Views and iOS 8 Embedded Frameworks Embedded Frameworks Interface Builder Live Views Creating the Example Project Adding an Embedded Framework Implementing the Drawing Code in the Framework Making the View Designable Making Variables Inspectable An iOS 8 Swift Graphics Tutorial using Core Graphics and Core Image The iOS Drawing Example Application Creating the New Project Creating the UIView Subclass Locating the drawRect Method in the UIView Subclass Drawing a Line Drawing a Rectangle Drawing an Ellipse or Circle Filling a Path with a Color Drawing an Arc Drawing a Cubic Bézier Curve Drawing a Quadratic Bézier Curve Dashed Line Drawing Drawing Shadows Drawing Gradients Drawing an Image into a Graphics Context Image Filtering with the Core Image Framework Basic iOS 8 Swift Animation using Core Animation UIView Core Animation Blocks Understanding Animation Curves Receiving Notification of Animation Completion Performing Affine Transformations Combining Transformations Creating the Animation Example Application Implementing the Variables Drawing in the UIView Detecting Screen Touches and Performing the Animation Building and Running the Animation Application iOS 8 UIKit Dynamics – An Overview Understanding UIKit Dynamics The UIKit Dynamics Architecture Dynamic Items Dynamic Behaviors The Reference View The Dynamic Animator Implementing UIKit Dynamics in an iOS 8 Application Dynamic Animator Initialization Configuring Gravity Behavior Configuring Collision Behavior Configuring Attachment Behavior Configuring Snap Behavior Configuring Push Behavior The UIDynamicItemBehavior Class Combining Behaviors to Create a Custom Behavior A Swift iOS 8 UIKit Dynamics Tutorial Creating the UIKit Dynamics Example Project Adding the Dynamic Items Creating the Dynamic Animator Instance Adding Gravity to the Views Implementing Collision Behavior Attaching a View to an Anchor Point Implementing a Spring Attachment Between two Views An Introduction to iOS 8 Sprite Kit Game Programming What is Sprite Kit? The Key Components of a Sprite Kit Game Sprite Kit View Scenes Nodes Physics Bodies Physics World Actions Transitions Texture Atlas Constraints An Example Sprite Kit Game Hierarchy The Sprite Kit Game Rendering Loop The Sprite Kit Level Editor An iOS 8 Swift Sprite Kit Level Editor Game Tutorial About the Sprite Kit Demo Game Creating the SpriteKitDemo Project Reviewing the SpriteKit Game Template Project Restricting Interface Orientation Modifying the GameScene SpriteKit Scene File Creating the Archery Scene Transitioning to the Archery Scene Adding the Texture Atlas Designing the Archery Scene Preparing the Archery Scene Preparing the Animation Texture Atlas Animating the Archer Sprite Node Creating the Arrow Sprite Node Shooting the Arrow Adding the Ball Sprite Node A Swift iOS 8 Sprite Kit Collision Handling Tutorial Defining the Category Bit Masks Assigning the Category Masks to the Sprite Nodes Configuring the Collision and Contact Masks Implementing the Contact Delegate Implementing a Physics Joint Between Nodes Game Over An iOS 8 Sprite Kit Particle Emitter Tutorial What is the Particle Emitter? The Particle Emitter Editor The SKEmitterNode Class Using the Particle Emitter Editor Particle Emitter Node Properties Background Particle Texture Particle Birthrate Particle Life Cycle Particle Position Range Angle Particle Speed Particle Acceleration Particle Scale Particle Rotation Particle Color Particle Blend Mode Experimenting with the Particle Emitter Editor Bursting a Ball using Particle Emitter Effects Adding the Burst Particle Emitter Effect Integrating iAds into an iOS 8 App using Swift Preparing to Run iAds within an Application iAd Advertisement Formats Banner Ads Interstitial Ads Medium Rectangle Ads Pre-Roll Video Ads Creating an Example iAds Application Adding the iAds Framework to the Xcode Project Enabling Banner Ads Adding a Medium Rectangle Ad Implementing an Interstitial Ad Configuring iAds Test Settings Integrating Maps into iOS 8 Applications using MKMapItem and Swift MKMapItem and MKPlacemark Classes An Introduction to Forward and Reverse Geocoding Creating MKPlacemark Instances Working with MKMapItem MKMapItem Options and Enabling Turn-by-Turn Directions Adding Item Details to an MKMapItem An Example Swift iOS 8 MKMapItem Application Creating the MapItem Project Designing the User Interface Converting the Destination using Forward Geocoding Launching the Map Building and Running the Application Getting Location Information using the iOS 8 Core Location Framework in Swift The Core Location Manager Requesting Location Access Authorization Configuring the Desired Location Accuracy Configuring the Distance Filter The Location Manager Delegate Starting Location Updates Obtaining Location Information from CLLocation Objects Longitude and Latitude Accuracy Altitude Calculating Distances Location Information and Multitasking A Swift Example iOS 8 Location Application Creating the Example iOS 8 Location Project Designing the User Interface Configuring the CLLocationManager Object Setting up the Usage Description Key Implementing the Action Method Implementing the Application Delegate Methods Building and Running the Location Application Working with Maps on iOS 8 with Swift, MapKit and the MKMapView Class About the MapKit Framework Understanding Map Regions About the MKMapView Tutorial Creating the Map Project Adding the MapKit Framework to the Xcode Project Adding the Navigation Controller Creating the MKMapView Instance and Toolbar Obtaining Location Information Permission Setting up the Usage Description Key Configuring the Map View Changing the MapView Region Changing the Map Type Testing the MapView Application Updating the Map View based on User Movement Working with MapKit Local Search in iOS 8 and Swift An Overview of iOS 8 Local Search Adding Local Search to the MapSample Application Adding the Local Search Text Field Performing the Local Search Testing the Application Using MKDirections to get iOS 8 Map Directions and Routes An Overview of MKDirections Adding Directions and Routes to the MapSample Application Adding the New Classes to the Project Configuring the Results Table View Implementing the Result Table View Segue Adding the Route Scene Getting the Route and Directions Establishing the Route Segue Testing the Application An Introduction to Extensions in iOS 8 iOS Extensions – An Overview Extension Types Today Extension Share Extension Action Extension Photo Editing Extension Document Provider Extension Custom Keyboard Extension Creating Extensions An iOS 8 Today Extension Widget Tutorial About the Example Extension Widget Creating the Example Project Adding the Extension to the Project Reviewing the Extension Files Designing the Widget User Interface Setting the Preferred Content Size in Code Modifying the Widget View Controller Testing the Extension Opening the Containing App from the Extension Creating an iOS 8 Photo Editing Extension Creating a Photo Editing Extension Accessing the Photo Editing Extension Configuring the Info.plist File Designing the User Interface The PHContentEditingController Protocol Photo Extensions and Adjustment Data Receiving the Content Implementing the Filter Actions Returning the Image to the Photos App Testing the Application Creating an iOS 8 Action Extension An Overview of Action Extensions About the Action Extension Example Creating the Action Extension Project Adding the Action Extension Target Configuring the Action Extension Designing the Action Extension User Interface Receiving the Content Returning the Modified Data to the Host App Testing the Extension Receiving Data from an iOS 8 Action Extension Creating the Example Project Designing the User Interface Importing the Mobile Core Services Framework Adding a Share Button to the Application Receiving Data from an Extension Testing the Application Using iOS 8 Event Kit and Swift to Create Date and Location Based Reminders An Overview of the Event Kit Framework The EKEventStore Class Accessing Calendars in the Database Creating Reminders Creating Alarms Creating the Example Project Designing the User Interface for the Date/Time Based Reminder Screen Implementing the Reminder Code Hiding the Keyboard Designing the Location-based Reminder Screen Creating a Location-based Reminder Setting up the Usage Description Key Testing the Application Accessing the iOS 8 Camera and Photo Library in Swift The UIImagePickerController Class Creating and Configuring a UIImagePickerController Instance Configuring the UIImagePickerController Delegate Detecting Device Capabilities Saving Movies and Images An Example Swift iOS 8 iPhone Camera Application An Overview of the Application Creating the Camera Project Designing the User Interface Implementing the Action Methods Writing the Delegate Methods Building and Running the Application iOS 8 Video Playback using AVPlayer and AVPlayerViewController The AVPlayer and AVPlayerViewController Classes The iOS Movie Player Example Application Adding the AVKit Framework to the Xcode Project Designing the User Interface Initializing Video Playback Build and Run the Application Creating AVPlayerViewController Instance from Code Playing Audio on iOS 8 using AVAudioPlayer Supported Audio Formats Receiving Playback Notifications Controlling and Monitoring Playback Creating the Audio Example Application Adding an Audio File to the Project Resources Designing the User Interface Implementing the Action Methods Creating and Initializing the AVAudioPlayer Object Implementing the AVAudioPlayerDelegate Protocol Methods Building and Running the Application Recording Audio on iOS 8 with AVAudioRecorder in Swift An Overview of the AVAudioRecorder Tutorial Creating the Recorder Project Designing the User Interface Creating the AVAudioRecorder Instance Implementing the Action Methods Implementing the Delegate Methods Testing the Application Integrating Twitter and Facebook into iOS 8 Applications using Swift The UIActivityViewController class The Social Framework Accounts Framework Using the UIActivityViewController Class Using the SLComposeViewController Class An iOS 8 Swift Facebook Integration Tutorial using UIActivityViewController Creating the Facebook Social App Designing the User Interface Creating Outlets and Actions Implementing the selectImage and Delegate Methods Hiding the Keyboard Posting the Message to Facebook Running the Social Application iOS 8 Facebook and Twitter Integration using SLRequest and Swift Using SLRequest and the Account Framework Twitter Integration using SLRequest Facebook Integration using SLRequest An Swift iOS 8 Twitter Integration Tutorial using SLRequest Creating the TwitterApp Project Designing the User Interface Modifying the View Controller Class Accessing the Twitter API Calling the getTimeLine Method The Table View Delegate Methods Building and Running the Application Making Store Purchases in Swift with the SKStoreProductViewController Class The SKStoreProductViewController Class Creating the Example Project Creating the User Interface Displaying the Store Kit Product View Controller Implementing the Delegate Method Testing the Application Building In-App Purchasing into iOS 8 Swift Applications In-App Purchase Options Uploading App Store Hosted Content Configuring In-App Purchase Items Sending a Product Request Accessing the Payment Queue The Transaction Observer Object Initiating the Purchase The Transaction Process Transaction Restoration Process Testing In-App Purchases Preparing an iOS 8 Application for In-App Purchases About the Example Application Creating the Xcode Project Registering and Enabling the App ID for In App Purchasing Configuring the Application in iTunes Connect Creating an In-App Purchase Item An iOS 8 Swift In-App Purchase Tutorial The Application User Interface Designing the Storyboard Creating the Purchase View Controller Class Storing the Home View Controller in the App Delegate Class Completing the ViewController Class Completing the PurchaseViewController Class Testing the Application Troubleshooting Configuring and Creating App Store Hosted Content for iOS 8 In-App Purchases Configuring an Application for In-App Purchase Hosted Content The Anatomy of an In-App Purchase Hosted Content Package Creating an In-App Purchase Hosted Content Package Archiving the Hosted Content Package Validating the Hosted Content Package Uploading the Hosted Content Package

eBookFrenzy.com

Learn SwiftUI and take your iOS Development to the Next Level SwiftUI Essentials – iOS 16 Edition book is now available in Print ($39.99) and eBook ($29.99) editions. Learn more...

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