Mastering iOS frameworks: beyond the basics

1 UIKit Dynamics   1The Sample App   1Introduction to UIKit Dynamics   2Implementing UIKit Dynamics   3Gravity   3Collisions   4Attachments   7Springs   8Snap   9Push Forces   10Item Properties   11In-Depth UIDynamicAnimator and UIDynamicAnimatorDelegate   13Summary   14 2 Core Location, MapKit, and Geofencing   15The Sample App   15Obtaining User Location   16Requirements and Permissions   16Checking for Services   19Starting Location Request   19Parsing and Understanding Location Data   22Significant Change Notifications   23Using GPX Files to Test Specific Locations   23Displaying Maps   25Understanding the Coordinate Systems   25MKMapKit Configuration and Customization   25Responding to User Interactions   27Map Annotations and Overlays   28Adding Annotations   28Displaying Standard and Custom Annotation Views   31Draggable Annotation Views   34Working with Map Overlays   35Geocoding and Reverse-Geocoding   36Geocoding an Address 36Reverse-Geocoding a Location   40Geofencing   43Checking for Regional Monitoring Capability   43Defining Boundaries   44Monitoring Changes   45Getting Directions   47Summary   52 3 Leaderboards   53The Sample App   53Spawning a Cactus   55Cactus Interaction   58Displaying Life and Score   60Pausing and Resuming   62Final Thoughts on Whack-a-Cac   63iTunes Connect   63Game Center Manager   66Authenticating   68Common Authentication Errors   69iOS 6 and Newer Authentication   71Submitting Scores   73Adding Scores to Whack-a-Cac   76Presenting Leaderboards   77Score Challenges   79Going Further with Leaderboards   81Summary   83 4 Achievements   85iTunes Connect   85Displaying Achievement Progress   87Game Center Manager and Authentication   88The Achievement Cache   89Reporting Achievements   90Adding Achievement Hooks   92Completion Banners   93Achievement Challenges   94Adding Achievements into Whack-a-Cac   97Earned or Unearned Achievements   98Partially Earned Achievements   99Multiple Session Achievements   101Piggybacked Achievements and Storing Achievement Precision   102Timer-Based Achievements   103Resetting Achievements   104Going Further with Achievements   105Summary   107 5 Getting Started with Address Book   109Why Address Book Support Is Important   109Limitations of Address Book Programming   110The Sample App   110Getting Address Book Up and Running   111Reading Data from the Address Book   113Reading Multivalues from the Address Book   114Understanding Address Book Labels   115Working with Addresses   116Address Book Graphical User Interface   118People Picker   118Programmatically Creating Contacts   123Summary   126 6 Working with Music Libraries   127The Sample App   127Building a Playback Engine   129Registering for Playback Notifications   129User Controls   131Handling State Changes   132Duration and Timers   137Shuffle and Repeat   138Media Picker   138Programmatic Picker   141Playing a Random Song   141Predicate Song Matching   142Summary   144 7 Implementing HealthKit   145Introduction to HealthKit   145Introduction to Health.app   146The Sample App   147Adding HealthKit to a Project    148Requesting Permission for Health Data   149Reading Characteristic HealthKit Data   152Reading and Writing Basic HealthKit Data   152Reading and Writing Complex HealthKit Data   155Summary   160 8 Implementing HomeKit   161The Sample App   161Introduction to HomeKit   162Setting Up HomeKit Components   162Developer Account Setup   163Enabling HomeKit Capability   163Home Manager   164Home   166Rooms and Zones   168Accessories   170Services and Service Groups   176Actions and Action Sets   178Testing with the HomeKit Accessory Simulator   179Scheduling Actions with Triggers   181Summary   181 9 Working with and Parsing JSON   183JSON   183Benefits of Using JSON   183JSON Resources   184The Sample App   184Accessing the Server   184Getting JSON from the Server   185Building the Request   185Inspecting the Response   186Parsing JSON   186Displaying the Data   187Posting a Message   189Encoding JSON   189Sending JSON to the Server   191Summary   193 10 Notifications   195Differences Between Local and Push Notifications   195The Sample App   196App Setup   196Creating Development Push SSL Certificate   200Development Provisioning Profile   203Custom Sound Preparation   208Registering for Notifications   209Scheduling Local Notifications   211Receiving Notifications   212Push Notification Server   213Sending the Push Notifications   214Handling APNs Feedback   215Summary   216 11 Cloud Persistence with CloudKit   217CloudKit Basics   217The Sample App   218Setting Up a CloudKit Project   218Account Setup   218Enabling iCloud Capabilities   220CloudKit Concepts   220Containers   220Databases   221Records   221Record Zones   222Record Identifiers   222Assets   222CloudKit Basic Operations   222Fetching Records   223Create and Save a Record   224Update and Save a Record   226Subscriptions and Push   227Push Setup   227Subscribing to Data Changes   227User Discovery and Management   229Managing Data in the Dashboard   233Summary   235 12 Extensions   237Types of Extensions   237Today   237Share   238Action   238Photo Editing   238Document Provider   238Custom Keyboard   238Understanding Extensions   238API Limitations   239Creating Extensions   240Today Extension   242Sharing Code and Information between Host App and Extension   243Apple Watch Extension   244Summary   247 13 Handoff   249The Sample App   249Handoff Basics   249Implementing Handoff   251Creating the User Activity   252Continuing an Activity   253Implementing Handoff in Document-Based Apps   255Summary   257 14 AirPrint   259AirPrint Printers   259Testing for AirPrint   261Printing Text   261Print Info   262Setting Page Range   263UISimpleTextPrintFormatter   263Error Handling   264Starting the Print Job   264Printer Simulator Feedback   265Print Center   266UIPrintInteractionControllerDelegate   267Printing Rendered HTML   268Printing PDFs   269Summary   270 15 Getting Up and Running with Core Data   271Deciding on Core Data   272Sample App   273Starting a Core Data Project   274Core Data Environment   275Building Your Managed Object Model   278Creating an Entity   280Adding Attributes   280Establishing Relationships   281Custom Managed Object Subclasses   282Setting Up Default Data   282Inserting New Managed Objects   282Other Default Data Setup Techniques   284Displaying Your Managed Objects   285Creating Your Fetch Request   285Fetching by Object ID   287Displaying Your Object Data   288Using Predicates   290Introducing the Fetched Results Controller   292Preparing the Fetched Results Controller   292Integrating Table View and Fetched Results Controller   294Responding to Core Data Changes   296Adding, Editing, and Removing Managed Objects   299Inserting a New Managed Object   299Removing a Managed Object   300Editing an Existing Managed Object   301Saving and Rolling Back Your Changes   301Summary   303 16 Integrating Twitter and Facebook Using Social Framework   305The Sample App   305Logging In   306Using SLComposeViewController   308Posting with a Custom Interface   311Posting to Twitter   311Posting to Facebook   315Creating a Facebook App   315Accessing User Timelines   322Twitter   322Facebook   327Summary   331 17 Working with Background Tasks   333The Sample App   334Checking for Background Availability   334Finishing a Task in the Background   335Background Task Identifier   336Expiration Handler   337Completing the Background Task   337Implementing Background Activities   339Types of Background Activities   339Playing Music in the Background   340Summary   344 18 Grand Central Dispatch for Performance   345The Sample App   345Introduction to Queues   347Running on the Main Thread   347Running in the Background   349Running in an Operation Queue   351Concurrent Operations   351Serial Operations   353Canceling Operations   354Custom Operations   355Running in a Dispatch Queue   357Concurrent Dispatch Queues   357Serial Dispatch Queues   359Summary   361 19 Using Keychain and Touch ID to Secure and Access Data   363The Sample App   364Setting Up and Using Keychain   364Setting Up a New KeychainItemWrapper   365Storing and Retrieving the PIN   366Keychain Attribute Keys   367Securing a Dictionary   368Resetting a Keychain Item   370Sharing a Keychain Between Apps   370Keychain Error Codes   372Implementing Touch ID   372Summary   374 20 Working with Images and Filters   375The Sample App   375Basic Image Data and Display   376Instantiating an Image   376Displaying an Image   377Using the Image Picker   379Resizing an Image   382Core Image Filters   383Filter Categories and Filters   383Filter Attributes   386Initializing an Image   388Rendering a Filtered Image   389Chaining Filters   390Feature Detection   391Setting Up a Face Detector   391Processing Face Features   392Summary   394 21 Collection Views   395The Sample App   395Introducing Collection Views   396Setting Up a Collection View   397Implementing the Collection View Data Source Methods   398Implementing the Collection View Delegate Methods   401Customizing Collection View and Flow Layout   403Basic Customizations   403Decoration Views   405Creating Custom Layouts   408Collection View Animations   413Collection View Layout Changes   413Collection View Layout Animations   414Collection View Change Animations   416Summary   417 22 Introduction to TextKit   419The Sample App   420Introducing NSLayoutManager   420Detecting Links Dynamically   423Detecting Hits   424Exclusion Paths   425Content Specific Highlighting   427Changing Font Settings with Dynamic Type   432Summary   433 23 Gesture Recognizers   435Types of Gesture Recognizers   435Basic Gesture Recognizer Usage   436Introduction to the Sample App   437Tap Recognizer in Action   438Pinch Recognizer in Action   440Multiple Recognizers for a View   441Gesture Recognizers: Under the Hood   443Multiple Recognizers for a View: Redux   444Requiring Gesture Recognizer Failures   446Custom UIGestureRecognizer Subclasses   448Summary   448 24 Accessing the Photo Library   449The Sample App   449The Photos Framework   450Using Asset Collections and Assets   451Permissions   451Asset Collections   453Assets   457Changes in the Photo Library   459Asset Collection Changes   459Asset Changes   462Dealing with Photo Stream   464Summary   465 25 Passbook and PassKit   467The Sample App   468Designing the Pass   468Pass Types   469Pass Layout-Boarding Pass   469Pass Layout-Coupon   470Pass Layout-Event   471Pass Layout-Generic   471Pass Layout-Store Card   472Pass Presentation   473Building the Pass   474Basic Pass Identification   476Pass Relevance Information   476Barcode Identification   477Pass Visual Appearance Information   478Pass Fields   478Signing and Packaging the Pass   481Creating the Pass Type ID   481Creating the Pass Signing Certificate   483Creating the Manifest   488Signing and Packaging the Pass   489Testing the Pass   489Interacting with Passes in an App   491Updating Passes Automatically   501Summary   502 26 Debugging and Instruments   503Introduction to Debugging   503The First Computer Bug   504Debugging Basics with Xcode   504Breakpoints   506Customizing Breakpoints   507Symbolic and Exception Breakpoints   508Breakpoint Scope   508Working with the Debugger   509Instruments   510The Instruments Interface   512Exploring Instruments: The Time Profiler   514Exploring Instruments: Leaks   516Going Further with Instruments   519Summary   519   Index   521