IOS 7 App Development Essentials

© 2013 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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1. Creating a Simple iOS 7 App
   • Starting Xcode 5
   • Creating the iOS App User Interface
   • Changing Component Properties
   • Adding Objects to the User Interface
   • Building and Running an iOS 7 App in Xcode 5
   • Dealing with Build Errors
   • Testing Different Screen Sizes
   • Testing User Interface Appearance in Different iOS Versions
   • Monitoring Application Performance
     
     
2. Testing Apps on iOS 7 Devices with Xcode 5
   • Configuring Xcode with Apple IDs
   • Generating Signing Identities
   • Adding a Device to the Developer Portal
   • Running an Application on a Registered Device
     
     
3. Working with iOS 7 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
   • Resolving Auto Layout Problems
     
     
4. An iOS 7 Auto Layout Example
   • Preparing the Project
   • Designing the User Interface
   • Adding Auto Layout Constraints
   • Adjusting Constraint Priorities
   • Testing the Application
     
     
5. Implementing iOS 7 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
     
     
6. Implementing Cross-Hierarchy Auto Layout Constraints in iOS 7
   • The Example Application
   • Establishing Outlets
   • Writing the Code to Remove the Old Constraint
   • Adding the Cross Hierarchy Constraint
   • Testing the Application
     
     
7. Understanding the iOS 7 Auto Layout Visual Format Language
   • Introducing the Visual Format Language
   • Visual Language Format Examples
   • Using the constraintsWithVisualFormat: Method
     
     

1. Using Storyboards in Xcode 5
2. An iPad iOS 7 Split View and Popover Example
   • An Overview of Split View and Popovers
   • About the Example iPad Split View and Popover Project
   • Creating the Project
   • Reviewing the Project
   • Configuring Master View Items
   • Configuring the Detail View Controller
   • Connecting Master Selections to the Detail View
   • Popover Implementation
   • Testing the Application
     
     
3. Implementing a Page based iOS 7 Application using UIPageViewController
   • The UIPageViewController Class
   • The UIPageViewController DataSource
   • Navigation Orientation
   • Spine Location
   • The UIPageViewController Delegate Protocol
     
     
4. An Example iOS 7 UIPageViewController Application
   • The Xcode Page-based Application Template
   • Creating the Project
   • Adding the Content View Controller
   • Creating the Data Model
   • Running the UIPageViewController Application
     
     
5. Using the iOS 7 UIPickerView and UIDatePicker Components
   • The DatePicker and PickerView Components
   • A DatePicker Example
   • Designing the User Interface
   • Coding the Date Picker Example Functionality
   • Building and Running the Date Picker Application
     
     
6. An iOS 7 UIPickerView Example
   • Creating the iOS 7 PickerView Project
   • UIPickerView Delegate and DataSource
   • The PickerViewController.h File
   • Designing the User Interface
   • Initializing the Arrays
   • Implementing the DataSource Protocol
   • Implementing the Delegate Protocol
   • Hiding the Keyboard
   • Testing the Application
     
     
7. Working with Directories on iOS 7
   • The Application Documents Directory
   • The Objective-C NSFileManager, NSFileHandle and NSData Classes
   • Understanding Pathnames in Objective-C
   • 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
     
     
8. Working with Files on iOS 7
   • 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
     
     
9. iOS 7 Directory Handling and File I/O – 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
     
     
10. Preparing an iOS 7 App to use iCloud Storage
    • What is iCloud?
    • iCloud Data Storage Services
    • Preparing an Application to Use iCloud Storage
    • Enabling iCloud Support for an iOS 7 Application
    • Reviewing the iCloud Entitlements File
    • Manually Creating the Entitlements File
    • Accessing Multiple Ubiquity Containers
    • Ubiquity Container URLs
      
      
11. Managing Files using the iOS 7 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
      
      
12. Using iCloud Storage in an iOS 7 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
    • Reviewing iCloud Activities in the Xcode Debugging Debug Navigator
    • Making a Local File Ubiquitous
      
      
13. Synchronizing iOS 7 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
      
      
14. iOS 7 Data Persistence using Archiving
    • 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
      
      
15. iOS 7 Database Implementation using SQLite
    • What is SQLite?
    • Structured Query Language (SQL)
    • Trying SQLite on MacOS X
    • Preparing an iOS Application Project for SQLite Integration
    • Key SQLite Functions
    • Declaring a SQLite Database
    • Opening or Creating a Database
    • Preparing and Executing a SQL Statement
    • Creating a Database Table
    • Extracting Data from a Database Table
    • Closing a SQLite Database
      
      
16. An Example SQLite based iOS 7 Application
    • About the Example SQLite Application
    • Creating and Preparing the SQLite Application Project
    • Importing sqlite3.h and declaring the Database Reference
    • 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
      
      
17. Working with iOS 7 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
    • Creating a Managed Object
    • Getting and Setting the Attributes of a Managed Object
    • Fetching Managed Objects
    • Retrieving Managed Objects based on Criteria
      
      
18. An iOS 7 Core Data Tutorial
    • The Core Data Example Application
    • Creating a Core Data based Application
    • Creating the Entity Description
    • Adding a Storyboard to the Project
    • Adding a View Controller
    • Designing the User Interface
    • Saving Data to the Persistent Store using Core Data
    • Retrieving Data from the Persistent Store using Core Data
    • Building and Running the Example Application
      
      
19. An Overview of iOS 7 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
      
      
20. An Example iOS 7 Touch, Multitouch and Tap Application
    • The Example iOS 7 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
      
      
21. Detecting iOS 7 Touch Screen Gesture Motions
    • The Example iOS 7 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
      
      
22. Identifying Gestures using iOS 7 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
      
      
23. An iOS 7 Gesture Recognition Tutorial
    • Creating the Gesture Recognition Project
    • Designing the User Interface
    • Implementing the Action Methods
    • Testing the Gesture Recognition Application
      
      
24. An Overview of iOS 7 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
      
      
25. An iOS 7 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
    • Deleting Collection View Items
      
      
26. Subclassing and Extending the iOS 7 Collection View Flow Layout
    • 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
      
      
27. Drawing iOS 7 2D Graphics 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
      
      
28. An iOS 7 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 Paths
    • 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
      
      
29. Basic iOS 7 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 Interface File
    • Drawing in the UIView
    • Detecting Screen Touches and Performing the Animation
    • Building and Running the Animation Application
      
      
30. iOS 7 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 7 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
      
      
31. An iOS 7 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
      
      
32. An Introduction to iOS 7 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
    • An Example Sprite Kit Game Hierarchy
    • The Sprite Kit Game Rendering Loop
      
      
33. An iOS 7 Sprite Kit Game Tutorial
    • About the Sprite Kit Demo Game
    • Creating the SpriteKitDemo Project
    • Reviewing the SpriteKit Game Template Project
    • Creating the Game Scene Classes
    • Implementing the Welcome Scene
    • Transitioning to the Archery Scene
    • Transitioning to the Archery Scene
    • Preparing the Archery Scene
    • Adding the Texture Atlas
    • Obtaining a Texture from the Atlas
    • Preparing the Animation Texture Atlas
    • Animating the Archer Sprite Node
    • Creating the Arrow Sprite Node
    • Creating the Arrow Sprite Node
    • Shooting the Arrow
    • Adding the Ball Sprite Node
      
      
34. An iOS 7 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
      
      
35. An iOS 7 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
      
      
36. Integrating iAds into an iOS 7 App
    • iOS Advertising Options
    • 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
    • Going Live with iAds
      
      
37. iOS 7 Multitasking, Background Transfer Service and Fetching
    • Understanding iOS Application States
    • A Brief Overview of the Multitasking Application Lifecycle
    • Checking for Multitasking Support
    • Enabling Multitasking for an iOS Application
    • Supported Forms of Background Execution
    • An Overview of Background Fetch
    • An Overview of Remote Notifications
    • An Overview of Local Notifications
    • An Overview of Background Transfer Service
    • The Rules of Background Execution
      
      
38. An iOS 7 Background Transfer Service Tutorial
    • Creating the Example Project
    • The handleEventsForBackgroundURLSession Method
    • Designing the User Interface
    • Configuring the View Controller
    • Implementing the Session Delegate Methods
    • Testing the Application
      
      
39. Scheduling iOS 7 Local Notifications
    • Creating the Local Notification App Project
    • Adding a Sound File to the Project
    • Locating the Application Delegate Method
    • Scheduling the Local Notification
    • Testing the Application
    • Cancelling Scheduled Notifications
    • Immediate Triggering of a Local Notification
      
      
40. An Overview of iOS 7 Application State Preservation and Restoration
    • The Preservation and Restoration Process
    • Opting In to Preservation and Restoration
    • Assigning Restoration Identifiers
    • Default Preservation Features of UIKit
    • Saving and Restoring Additional State Information
    • Understanding the Restoration Process
    • Saving General Application State
      
      
41. An iOS 7 State Preservation and Restoration Tutorial
    • Creating the Example Application
    • Trying the Application without State Preservation
    • Opting-in to State Preservation
    • Setting Restoration Identifiers
    • Encoding and Decoding View Controller State
    • Adding a Navigation Controller to the Storyboard
    • Adding the Third View Controller
    • Creating the Restoration Class
      
      
42. Integrating Maps into iOS 7 Applications using MKMapItem
    • 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
      
      
43. An Example iOS 7 MKMapItem Application
    • Creating the MapItem Project
    • Designing the User Interface
    • Converting the Destination using Forward Geocoding
    • Launching the Map
    • Building and Running the Application
      
      
44. Getting Location Information using the iOS 7 Core Location Framework
    • The Basics of Core Location
    • Configuring the Desired Location Accuracy
    • Configuring the Distance Filter
    • The Location Manager Delegate
    • Obtaining Location Information from CLLocation Objects
    • Longitude and Latitude
    • Accuracy
    • Altitude
    • Calculating Distances
    • Location Information and Multitasking
      
      
45. An Example iOS 7 Location Application
    • Creating the Example iOS 7 Location Project
    • Designing the User Interface
    • Creating the CLLocationManager Object
    • Implementing the Action Method
    • Implementing the Application Delegate Methods
    • Building and Running the Location Application
      
      
46. Working with Maps on iOS 7 with 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
    • Configuring the Map View
    • Changing the MapView Region
    • Changing the Map Type
    • Testing the MapView Application
    • Updating the Map View based on User Movement
      
      
47. Working with MapKit Local Search in iOS 7
    • An Overview of iOS 7 Local Search
    • Adding Local Search to the MapSample Application
    • Adding the Local Search Text Field
    • Performing the Local Search
    • Testing the Application
      
      
48. Using MKDirections to get iOS 7 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
      
      
49. Using iOS 7 Event Kit to Create Date and Location Based Reminders
    • An Overview of the Event Kit Framework
    • The EKEventStore Class
    • Accessing Calendars in the Database
    • Accessing Current Reminders
    • 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
    • Testing the Application
      
      
50. Accessing the iOS 7 Camera and Photo Library
    • The UIImagePickerController Class
    • Creating and Configuring a UIImagePickerController Instance
    • Configuring the UIImagePickerController Delegate
    • Detecting Device Capabilities
    • Saving Movies and Images
      
      
51. An Example iOS 7 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
      
      
52. Video Playback from within an iOS 7 Application
    • An Overview of the MPMoviePlayerController Class
    • Supported Video Formats
    • The iOS Movie Player Example Application
    • Designing the User Interface
    • Declaring the MoviePlayer Instance
    • Implementing the Action Method
    • The Target-Action Notification Method
    • Build and Run the Application
      
      
53. Playing Audio on iOS 7 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
      
      
54. Recording Audio on iOS 7 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
      
      
55. Integrating Twitter and Facebook into iOS 7 Applications
    • The UIActivityViewController class
    • The Social Framework
    • Accounts Framework
    • Using the UIActivityViewController Class
    • Using the SLComposeViewController Class
      
      
56. An iOS 7 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
      
      
57. iOS 7 Facebook and Twitter Integration using SLRequest
    • Using SLRequest and the Account Framework
    • Twitter Integration using SLRequest
    • Facebook Integration using SLRequest
      
      
58. An iOS 7 Twitter Integration Tutorial using SLRequest
    • Creating the TwitterApp Project
    • Designing the User Interface
    • Modifying the Interface File
    • Accessing the Twitter API
    • Calling the getTimeLine Method
    • The Table View Delegate Methods
    • Building and Running the Application
      
      
59. Making Store Purchases with the iOS 7 SKStoreProductViewController Class