iOS Development with Swift

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Previous Chapter

List of Figures

L

labels, adding in code landline class, 2^nd landscapeConstraints array Launch Images setting, General tab launch screen, displaying layer property Layout attribute layoutIfNeeded() method, 2^nd, 3^rd layouts size classes in code in Interface Builder overview stack views adding or removing views from in code in Interface Builder properties of layoutSubviews method, 2^nd lazy computed properties lazy stored property leading learning resources let keyword, 2^nd lettersUpper property Levels option, Build settings window life cycle, View controller Lines attribute Link Binary With Libraries phase LLDB (lower-level debugger) loadBooks method, 2^nd, 3^rd loadCloud method, 2^nd loadCover method local data persistence preserving and restoring state preserving user preferences on device storing data locally archiving objects Core Data SQLite storage setup structured data files local notifications localizedCaseInsensitive- Compare method localizedDescription property localizedLowercase property, 2^nd, 3^rd Log Navigator

M

main threads Main.storyboard file mainValue variable makeCall method manual adaptive layout approach receiving layout events timing of flagging for update updating view layout receiving transition events Manually Run option, Play button map function, 2^nd Master-Detail Application template media asset catalog adding app icons adding image sets camera selecting photos with image picker controller taking photos with AVFoundation taking photos with image picker controller drawing with Core Animation drawing with Core Graphics creating star-rating view describing path drawing into graphics context drawing paths with UIBezierPath drawing methods overriding draw method rendering views in Interface Builder saving and restoring graphics state launch screen, displaying playing sounds memberwise initializers memory issues metadataObjects array Metal 2 methods instance methods overloading functions type (static) methods Mixpanel modal presentation style Modal segue Model group Model-View-Controller pattern MoPub motion events multiple view constraints multitasking modes, iPad MVC (model-view-controller) My Apps section, iTunes Connect

N

navigation bars navigation controllers, embedding, 2^nd navigator area, Xcode nestedUnkeyedContainer method network activity indicators, displaying networkFailure error networking cancelling tasks examining data network activity indicator, displaying parsing JSON data with JSONDecoder class with JSONSerialization class with SwiftyJSON class setting up books service setting up URL requests URLSession objects creating URLSessionConfiguration objects web services communicating with downloading data from requesting data from networkServiceType networkUnavailable error nibs nil coalescing operator, 2^nd notAuthenticated error Notification.Name method notifications, keyboard calculating offset to animate defined extracting keyboard information from getting reference to first responder keyboard frame change notification unregistering NSAllowsArbitraryLoads key NSAllowsArbitraryLoadsIn-Media key NSAllowsArbitraryLoadsInWebContent key NSAllowsLocalNetworking key NSAppTransportSecurity NSArray class NSExceptionAllowsInsecure-HTTPLoads key NSExceptionDomains key NSExceptionMinimum- TLSVersion key NSExceptionRequiresForwardSecrecy key NSFetchedResultsController class NSFetchedResultsController-Delegate protocol NSFetchRequest NSIncludesSubdomains key NSKeyedArchiver class, 2^nd NSKeyedUnarchiver class, 2^nd NSLayoutAnchor class NSLayoutConstraint class, 2^nd NSLog statement NSManagedObject class NSObjectProtocol NSPersistentContainer class NSPredicate class, 2^nd, 3^rd NSRequiresCertificateTransparency key NSSortDescriptor class NSString method NSUnknownKeyException Number Pad category, keyboards numberOfTapsRequired numberOfTouchesRequired Numbers and Punctuation category, keyboards numeric types, converting

O

@objc attribute, 2^nd object creation with classes computed properties defining class inheritance initializers methods properties protocols with structures Object Library, Xcode object method Objective-C in a Swift project Objective-C NSArray data type onboarding one-sided range OOP (object-oriented programming) Open level, Swift operation queue operators overloading unwrapping optionals with optional try optionals chaining cheat sheets for declaring unwrapping binding forced guard statements implicitly with operators Outer Stack View outlets connecting views to editing properties of overlapped views overloading functions

P

page view controllers Page-Based Application template pan gesture recognizer parameters default names external parameter names modifying omitting parentheses parseJSON method, 2^nd parseSwiftyJSON method, 2^nd Payments and Financial Reports section, iTunes Connect PDFs, creating performance issues period (.) character persistent container Picker control, UIKit pinch gesture recognizer Platform Version Information tab, iTunes Connect, 2^nd playback issues debugging with debug gauges with instruments solving playBarcodeSound method playgrounds automatic compiling collection storage arrays dictionaries sets console access control-flow approaches for-in loops switch statements creating functions default parameter names modifying external parameter names omitting external parameter names higher-order functions closures filter map reduce sorted optionals chaining declaring unwrapping tuples as return values defining two values at once using initializing variables based on swapping two values using type safety and type inference concatenating strings converting numeric types viewing results of code Quick Look feature Show Result feature po command pods Point type points, converting popover Popover segue popViewController method position property prepareForSegue method, 2^nd, 3^rd, 4^th, 5^th, 6^th presentingViewController property price parameter Pricing and Availability tab, iTunes Connect, 2^nd Print Description button print method, examining variables with print statements priorities, Content Hugging and Resistance priority property private database, 2^nd, 3^rd private keyword Private level, Swift privateCloudDatabase method Progress View project editor Build Phases tab Build Rules tab Build Settings tab changing build settings for configurations filtering build settings Capabilities tab General tab Info tab Resource Tags tabs Project Navigator, Xcode project repository (repo) project targets properties inspectable instance properties lazy computed lazy stored type (static) properties Property list editor property lists, 2^nd property observers PropertyListEncoder protocols cheat sheets for extensions relationships prototype cell provisioning profile, creating public database Public level, Swift push notifications, 2^nd PushButtonable protocol

Q

QOS (quality of service) quantity data type question mark character queues Quick Look feature, Xcode Quick Look technique, examining variables with

R

random property Rating class rating property raw value Realm record types, 2^nd, 3^rd rectangle button red dot red view autoresizing reduce function refresh control register method Relationship Segue reloadData method, 2^nd reloadSections method remote control events remove method removeBook method, 2^nd requestCachePolicy property requestRateLimited error resignFirstResponder method Resolve Auto Layout Issues button resources Resources and Help section, iTunes Connect responder chain, 2^nd Restoration ID property results sidebar, Xcode resume method, 2^nd retrieveBooks method, 2^nd, 3^rd, 4^th return keyword rootViewController property rotate gesture recognizer rotated method rotating orientation rows adding to tables adding data to table communicating with scene using own delegate creating segues embedding navigation controller embedding second navigation controller deleting editing creating segues from row passing in object to edit removing view controller updating objects Run button, Xcode workspace toolbar runtime issues debugging user interface with errors reporting Runtime Issues tab, Issue Navigator

S

Sales and Trends section, iTunes Connect sampleBooks method, 2^nd sandbox Sandbox Testers tab, iTunes Connect save problems saveBook method, 2^nd, 3^rd, 4^th, 5^th saveContext method, 2^nd, 3^rd scale factor scale property scaledBy method scroll views with form content and keyboard with image content scrollRectToVisible method search bars, adding to collection views search controllers adding to view controller creating searchFilter variable searching data, 2^nd filtering data making objects equatable removing rows with filtered data updating rows with filtered data search controllers adding to view controller creating searchResultsController Segment attribute Segmented Control, UIKit segmented controls, adding segues creating creating from rows SELECT query Selected state, buttons serial queues serve function, 2^nd serverRecordChanged error ServerResponse type serviceUnavailable error session tasks, 2^nd Set data type set list set viewer setMetadataObjectsDelegate method setNeedsDisplay method, 2^nd setNeedsLayout method Settings app setUp method setViewControllers method shadows, adding shared property sharing code shouldSendContentAvailable flag Show Detail segue Show Quick Look button Show Result feature, Xcode Show segue signing certificates checking certificates creating iOS development signing certificate creating iOS distribution signing certificate signing identity, 2^nd SimpleSizeClasses layout Simulator menu simulators features of running apps in Single View Application template singletons, sharing data between tabs size classes in code setting up layout for trait collection updating layout on changes in Interface Builder adding customizations to attributes adding customizations to constraints adding customizations to installed attributes varying for traits varying layout overview Size Inspector, Xcode sizeToFit method slicing apps Slide Over, Apple Slider control, UIKit Smart class social media sort method, creating sortDescriptors attribute sorted function sorting data changing sort order adding segmented control updating sort order creating sort method sortOrder property, 2^nd, 3^rd sounds, playing Source Control Navigator Source editor split view controllers Split View, Apple SpriteKit framework, 2^nd SQLAddBook method SQLite adding, updating, and removing books retrieving books from database setting up SQLite wrapper setting up SQLite3 database file SQLiteBrowser SQLRemoveBook method SQLUpdateBook method stack trace stack views adding or removing views from in code in Interface Builder nested simple properties of alignment axis distribution spacing Star class, 2^nd, 3^rd, 4^th star-rating view, creating State Config attribute state preservation, preserving and restoring state state property, 2^nd static cells static keyword, 2^nd Status Bar Style setting, General tab step into step out step over Stepper control, UIKit Sticker Pack Application template Stop button, Xcode workspace toolbar store provisioning profile storeBooks method, 2^nd, 3^rd, 4^th storing data locally archiving objects adopting codable protocol encoding and archiving data Core Data adding managed objects cleanup creating data model fetching managed objects initial setup searching fetch requests sorting fetch requests updating and deleting managed objects SQLite adding, updating, and removing books retrieving books from database setting up SQLite wrapper setting up SQLite3 database file storage setup determining location preparing for storing and retrieving data structured data files property lists XML storing data using CloudKit adding book records deleting book records loading book records managing errors refreshing data subscribing to changes updating book records updating model Storyboard Entry Point element, storyboard storyboards overview setting up view controllers in viewing string interpolation String variable strings, concatenating structured data files property lists XML structures cheat sheets for classes versus as value types choosing between constants inheritance memberwise initializers subclasses subtracting method super.viewDidLoad() method Swift, 2^nd, 3^rd SwiftyJSON class, parsing JSON data with Switch control, UIKit switch statements, 2^nd Symbol Navigator symbolic breakpoints symmetricDifference method System Item attribute

T

tab bar controllers, 2^nd creating sections with sharing data between tabs dependency injection global variables singletons TabBarController class, 2^nd Tabbed Application template table views creating model class data source and delegate setting up model setting up table view controller in storyboard tableHeaderView tables adding rows adding data to table communicating with scene using own delegate creating segues embedding navigation controller embedding second navigation controller deleting rows displaying data in table views creating model class data source and delegate setting up model setting up table view controller in storyboard editing rows creating segues from row passing in object to edit removing view controller updating objects using large titles takePhoto method tap gesture recognizer Target Dependencies phase targets, 2^nd team admins team agent team members team roles, Apple Developer Program teardown method Telephone parameter templates, Xcode temporary files ternary conditional operator test class adding tests to setting up Test Flight Beta Testers tab, iTunes Connect test methods, 2^nd Test Navigator @testable attribute, 2^nd testColorDetection method TestFlight, distributing apps to beta testers with adding iTunes connect users setting up external test setting up internal test testing for functionality adding tests to test class setting up test class for performance user interface testSortTitle method testToggleISBN method text editing text fields connecting actions from code from Connections Inspector from Interface Builder deleting connections keyboard types text property, 2^nd text view text, displaying textFieldShouldReturn method textLabel element threads throws keyword time profiler timeOutInterval timeoutIntervalForRequest property title field titleL key toggleISBN method, 2^nd, 3^rd toKm method toolbar area, Xcode topViewController property touch events hit testing overriding touch methods responder chain touchCancel method, 2^nd touchCancelzzzz method touchesBegan() method, 2^nd touchesCancelled() method touchesEnded() method, 2^nd touchesEstimatedProperties-Updated() method touchesMoved() method touchSave method, 2^nd, 3^rd, 4^th, 5^th touchUpInside event trailing trait collection traitCollectionDidChange method traits, varying for transactional store, 2^nd transform property transition coordinator translatesAutoresizingMaskIntoConstraints property translation try keyword tuples as return values defining two values at once using initializing variables based on swapping two values using type (static) methods type (static) properties type safety and type inference concatenating strings converting numeric types

U

ubiquitous key-value store, 2^nd, 3^rd UDID (unique device identifier) UI (user interface), 2^nd, 3^rd, 4^th, 5^th debugging with Debug View Hierarchy with runtime issues solving issues UIApplication class, 2^nd UIApplicationDelegate method @UIApplicationMain keyword UIBezierPath wrapper, drawing methods UIButton UIColor class, 2^nd UIColorExtension.swift file UIControl class UIDatePicker class UIDevice class UIGestureRecognizerDelegate, 2^nd UIGestureRecognizerState UIGraphicsGetCurrentContext method UIImage class, 2^nd, 3^rd, 4^th UIImageColorDetectionTests class UIImagePickerController class, 2^nd UIImagePickerController-Delegate UIKeyboardAnimationCurve-UserInfoKey UIKeyboardAnimation-DurationUserInfoKey UIKeyboardFrameEndUser-InfoKey UIKeyboardWillChangeFrame UIKit control UIKit framework, Cocoa Touch layer UILabel class UILongPressGestureRecognizer UINavigationController-Delegate UInt data type UIPageViewController class UIPageViewControllerDataSource protocol UIPanGestureRecognizer, 2^nd UIPicker class UIPinchGestureRecognizer UIResponder class UIRotationGestureRecognizer UIRuntimeOutletConnection object UIScreenEdgePanGesture-Recognizer UIScrollViewDelegate UISearchController class UISearchResultsUpdating protocol UISegmentedControl UIStoryboardSegue object UISwipeGestureRecognizer UITabBarController class UITableViewCell class UITableViewController class UITableViewDelegate method UITapGestureRecognizer, 2^nd UITextFieldDelegate protocol UITraitEnvironment protocol UIView class, 2^nd, 3^rd, 4^th, 5^th UIViewController class, 2^nd, 3^rd, 4^th UIViewExtension.swift file UIWindow class unarchiveObject method uninstalled constraints unique device identifier. See UDID. unit tests unknownItem error, 2^nd unsatisfiable layout error unwind segue Update Frames button updateBook method, 2^nd updateBookCloudKit method, 2^nd updatedPrices array updatePrice method updateSearchResults method, 2^nd, 3^rd, 4^th updating views upload tasks Upload to App Store button, iTunes Connect upside-down orientation url property URL requests, setting up urls method URLSession objects creating URLSessionConfiguration objects URLSession property URLSessionConfiguration object, 2^nd URLSessionDataTask URLSessionDelegate User and Roles section, iTunes Connect user defaults user interaction controls buttons text fields gesture recognizers pan gesture pinch gesture rotate gesture simultaneous tap gesture touch events hit testing overriding touch methods responder chain user interface. See UI. user preferences, preserving on device user-initiated tasks userInfo dictionary userInfo parameter userInfo property userInterfaceIdiom trait users, onboarding utility area, Xcode utility tasks

V

value types variables view, 2^nd variables, examining with data tips with lower-level debugger with Print Description button with print method with Quick Look technique with variables view Vary for Traits button vertical constraints vertical distribution verticalLayout method verticalSizeClass trait VFL (Visual Format Language) VideoPlayable protocol View Controller element, storyboard view controllers adding search controllers to creating custom customizing UIViewController subclass initial overview removing setting up in storyboard sizes of View element, storyboard view property view transformation ViewController class, 2^nd, 3^rd, 4^th, 5^th, 6^th, 7^th viewControllers array viewDidAppear method, 2^nd, 3^rd, 4^th, 5^th, 6^th, 7^th viewDidDisappear() method, 2^nd, 3^rd viewDidLoad() method viewForSupplementaryElement-OfKind method viewForZooming method views adding in code adding or removing views from animating from under keyboard with sample bar chart connecting to outlets editing outlet properties from under keyboard hierarchy of MVC windows hit testing in code in Interface Builder nested simple managing in code in Interface Builder overriding touch methods overview properties of alignment axis distribution spacing responder chain scroll views with form content and keyboard with image content table views creating model class data source and delegate setting up model setting up table view controller in storyboard with form content and keyboard with image content with sample bar chart constraints nesting animations properties viewsInCode app ViewsInCode project, 2^nd viewWillAppear() method, 2^nd viewWillDisappear() method viewWillLayoutSubviews method viewWillTransition() method, 2^nd visualization VoiceOver accessibility app volumeInfo property Vungle

W

weak keyword web services communicating with downloading data from requesting data from WebKit weight Welcome to Xcode window while statement width size class Wildcard App IDs willSet property observer windows workspace WWDC videos

X

Xcode behaviors creating projects project options templates interface debug area editor area navigator area toolbar area utility area signing into viewing repository in XCTAssert method XCTAssertEqual method XML class xml property

Z

zoneBusy error

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