IOS 9 App Development Essentials

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© 2015 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...

Table of Contents Start Here Start Here For New iOS Developers For iOS 8 Developers Source Code Download Learn to Develop watchOS Apps Joining the Apple Developer Program Downloading Xcode 7 and the iOS 9 SDK Apple Developer Program When to Enroll in the Apple Developer Program? Enrolling in the Apple Developer Program Installing Xcode 7 and the iOS 9 SDK Identifying if you have an Intel or PowerPC based Mac Installing Xcode 7 and the iOS 9 SDK Starting Xcode Adding Your Apple ID to the Xcode Preferences Developer and Distribution Signing Identities A Guided Tour of Xcode 7 Starting Xcode 7 Creating the iOS App User Interface Changing Component Properties Adding Objects to the User Interface Building and Running an iOS 9 App in Xcode 7 Running the App on a Physical iOS Device Managing Devices and Simulators Dealing with Build Errors Monitoring Application Performance An Exploded View of the User Interface Layout Hierarchy An Introduction to Xcode 7 Playgrounds What is a Playground? Creating a New Playground A Basic Swift Playground Example Viewing Results Enabling the Timeline Slider Adding Rich Text Comments Working with Playground Pages Working with UIKit in Playgrounds Adding Resources to a Playground Working with Enhanced Live Views When to Use Playgrounds Swift 2 Data Types, Constants and Variables Using a Swift Playground Swift Data Types Integer Data Types Floating Point Data Types Bool Data Type Character Data Type String Data Type Special Characters/Escape Sequences Swift Variables Swift Constants Declaring Constants and Variables Type Annotations and Type Inference The Swift Tuple The Swift Optional Type Type Casting and Type Checking Swift 2 Operators and Expressions Expression Syntax in Swift The Basic Assignment Operator Swift Arithmetic Operators Compound Assignment Operators Increment and Decrement Operators Comparison Operators Boolean Logical Operators Range Operators The Ternary Operator Bitwise Operators Bitwise NOT Bitwise AND Bitwise OR Bitwise XOR Bitwise Left Shift Bitwise Right Shift Compound Bitwise Operators Swift 2 Flow Control Looping Flow Control The Swift for Statement The Condition-Increment for Loop The for-in Loop The while Loop The do ... while loop Breaking from Loops The continue Statement Conditional Flow Control Using the if Statement Using if ... else ... Statements Using if ... else if ... Statements The Swift 2 Switch Statement Why Use a switch Statement? Using the switch Statement Syntax A Swift switch Statement Example Combining case Statements Range Matching in a switch Statement Using the where statement Fallthrough An Overview of Swift 2 Functions What is a Function? How to Declare a Swift Function Calling a Swift Function Declaring External Parameter Names Declaring Default Function Parameters Returning Multiple Results from a Function Variable Numbers of Function Parameters Parameters as Variables Working with In-Out Parameters Functions as Parameters Closure Expressions Closures in Swift The Basics of Object Oriented Programming in Swift 2 What is an Object? What is a Class? Declaring a Swift Class Adding Instance Properties to a Class Defining Methods Declaring and Initializing a Class Instance Initializing and Deinitializing a Class Instance Calling Methods and Accessing Properties Stored and Computed Properties Using self in Swift An Introduction to Swift Subclassing and Extensions Inheritance, Classes and Subclasses A Swift Inheritance Example Extending the Functionality of a Subclass Overriding Inherited Methods Initializing the Subclass Using the SavingsAccount Class Swift Class Extensions Working with Array and Dictionary Collections in Swift 2 Mutable and Immutable Collections Swift Array Initialization Working with Arrays in Swift Array Item Count Accessing Array Items Appending Items to an Array Inserting and Deleting Array Items Array Iteration Creating Mixed Type Arrays Swift Dictionary Collections Swift Dictionary Initialization Dictionary Item Count Accessing and Updating Dictionary Items Adding and Removing Dictionary Entries Dictionary Iteration Understanding Error Handling in Swift 2 Understanding Error Handling Declaring Error Types Throwing an Error Calling Throwing Methods and Functions Disable Error Catching Using the defer Statement Creating an Interactive iOS 9 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 An Introduction to Auto Layout in iOS 9 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 9 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 9 Auto Layout Example Preparing the Project Designing the User Interface Adding Auto Layout Constraints Adjusting Constraint Priorities Testing the Application Implementing iOS 9 Auto Layout Constraints in 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 9 The Example Application Establishing Outlets Writing the Code to Remove the Old Constraint Adding the Cross Hierarchy Constraint Testing the Application Understanding the iOS 9 Auto Layout Visual Format Language Introducing the Visual Format Language Visual Language Format Examples Using the constraintsWithVisualFormat Method Using Size Classes to Design Adaptable Universal iOS 9 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 Testing the Application Using Storyboards in Xcode 7 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 Organizing Scenes over Multiple Xcode Storyboard Files Organizing Scenes into Multiple Storyboards Establishing a Connection between Different Storyboards Using Xcode 7 Storyboards to Create an iOS 9 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 Working with the iOS 9 Stack View Class Introducing the UIStackView Class Understanding Subviews and Arranged Subviews StackView Configuration Options axis Distribution spacing alignment baseLineRelativeArrangement layoutMarginsRelativeArrangement Creating a Stack View in Code Adding Subviews to an Existing Stack View Hiding and Removing Subviews An iOS 9 Stack View Tutorial About the Stack View Example App Creating the First Stack View Creating the Banner Stack View Adding the Switch Stack Views Creating the Top Level Stack View Adding the Button Stack View Adding the Final Subviews to the Top Level Stack View Dynamically Adding and Removing Subviews An iOS 9 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 A Guide to Multitasking in iOS 9 Using iPad Multitasking Picture-In-Picture Multitasking iPad Devices with Multitasking Support Multitasking and Size Classes Multitasking and the Master-Detail Split View Handling Multitasking in Code willTransitionToTraitCollection(_:withTransitionCoordinator:) viewWillTransitionToSize(_:withTransitionCoordinator:) traitCollectionDidChange(_:) Lifecycle Method Calls Enabling Multitasking Support Opting Out of Multitasking An iOS 9 Multitasking Example Creating the Multitasking Example Project Adding the Image Files Designing the Regular Width Size Class Layout Designing the Compact Width Size Class Testing the Project in a Multitasking Environment Implementing a Page based iOS 9 Application with UIPageViewController The UIPageViewController Class The UIPageViewController DataSource Navigation Orientation Spine Location The UIPageViewController Delegate Protocol An Example iOS 9 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 9 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 Creating a New 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 9 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 9 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 9 App to use iCloud Storage iCloud Data Storage Services Preparing an Application to Use iCloud Storage Enabling iCloud Support for an iOS 9 Application Reviewing the iCloud Entitlements File Accessing Multiple Ubiquity Containers Ubiquity Container URLs Managing Files using the iOS 9 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 9 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 9 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 9 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 9 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 Working with iOS 9 Databases 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 9 Core Data Tutorial The Core Data Example Application Creating a Core Data based Application Creating the Entity Description Generating the Managed Object Subclass 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 9 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 9 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 9 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 Completing the didFinishLaunchingWithOptions Method Testing the Application An Overview of iOS 9 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 Touch Prediction Touch Coalescing 3D Touch< iPad Pro and the Apple Pencil Stylus An Example iOS 9 Touch, Multitouch and Tap Application The Example iOS 9 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 Checking for Touch Predictions Accessing Coalesced Touches Detecting iOS 9 Touch Screen Gesture Motions The Example iOS 9 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 9 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 9 Gesture Recognition Tutorial Creating the Gesture Recognition Project Designing the User Interface Implementing the Action Methods Testing the Gesture Recognition Application An iOS 9 3D Touch Force Handling Tutorial Creating the 3D Touch Example Project Adding the UIView Subclass to the Project Locating the drawRect Method in the UIView Subclass Implementing the Touch Methods Testing the Touch Force App An iOS 9 3D Touch Quick Actions Tutorial Creating the Quick Actions Example Project Static Quick Action Keys Adding a Static Quick Action to the Project Adding a Dynamic Quick Action Adding, Removing and Changing Dynamic Quick Actions Responding to a Quick Action Selection Testing the Quick Action App An iOS 9 3D Touch Peek and Pop Tutorial About the Example Project Adding the UIViewControllerPreviewDelegate Implementing the Peek Delegate Method Assigning the Detail Controller Storyboard ID Implementing the Pop Delegate Method Registering the Previewing Delegate Testing the Peek and Pop Behavior Adding Peek Quick Actions Basic iOS 9 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 9 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 9 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 An iOS 9 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 9 Sprite Kit 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 9 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 Creating the Named Action Reference Testing Actions in an Action File Triggering the Named Action from the Code Creating the Arrow Sprite Node Shooting the Arrow Adding the Ball Sprite Node An iOS 9 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 Game Over An iOS 9 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 Adding an Audio Action An iOS 9 MapKit Flyover Tutorial MKMapView Flyover Map Types The MKMapCamera Class An MKMapKit Flyover Example Designing the User Interface Configuring the Map View and Camera Animating Camera Changes Testing the Map Flyover App An Introduction to Extensions in iOS 9 iOS Extensions – An Overview Extension Types Today Extension Share Extension Action Extension Photo Editing Extension Document Provider Extension Custom Keyboard Extension Audio Unit Extension Shared Links Extension Content Blocking Extension Creating Extensions An iOS 9 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 9 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 9 Action Extension An Overview of Action Extensions About the Action Extension Example Creating the Action Extension Project Adding the Action Extension Target Changing the Extension Display Name Designing the Action Extension User Interface Receiving the Content Returning the Modified Data to the Host App Testing the Extension Declaring the Supported Content Type Receiving Data from an iOS 9 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 Accessing the iOS 9 Camera and Photo Library The UIImagePickerController Class Creating and Configuring a UIImagePickerController Instance Configuring the UIImagePickerController Delegate Detecting Device Capabilities Saving Movies and Images An Example iOS 9 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 9 Video Playback using AVPlayer and AVPlayerViewController The AVPlayer and AVPlayerViewController Classes The iOS Movie Player Example Application Adding a Security Exception for an HTTP Connection Designing the User Interface Initializing Video Playback Build and Run the Application Creating AVPlayerViewController Instance from Code An iOS 9 Multitasking Picture in Picture Tutorial An Overview of Picture in Picture Multitasking Adding Picture in Picture Support to the AVPlayerDemo App Adding the Navigation Controller Setting the Audio Session Category Implementing the Delegate Opting Out of Picture in Picture Support Additional Delegate Methods Playing Audio on iOS 9 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 9 with AVAudioRecorder 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 Preparing and Submitting an iOS 9 Application to the App Store Verifying the iOS Distribution Certificate Adding App Icons Designing the Launch Screen Assign the Project to a Team Archiving the Application for Distribution Configuring the Application in iTunes Connect Validating and Submitting the Application

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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