IPad iOS 4 App development Essentials - Xcode 4 Edition

This eBook is currently under development and is scheduled for completion in June 2011. New chapters are added regularly be so please check back for updates.

1. Introduction
   
   
2. The Anatomy of an iPad 2
   • iOS 4
   • Display
   • Wireless Connectivity
   • Wired Connectivity
   • Memory
   • Cameras
   • Sensors
   • Location Detection
   • Central Processing Unit (CPU)
   • Graphics Processing Unit (GPU)
   • Speaker and Microphone
   • Battery
     
     
3. iOS 4 Architecture and SDK Frameworks
   • iPhone OS becomes iOS
   • An Overview of the iOS 4 Architecture
   • The Cocoa Touch Layer
   • UIKit Framework (UIKit.framework)
   • Map Kit Framework (MapKit.framework)
   • Push Notification Service
   • Message UI Framework (MessageUI.framework)
   • Address Book UI Framework (AddressUI.framework)
   • Game Kit Framework (GameKit.framework)
   • iAd Framework (iAd.framework)
   • Event Kit UI Framework
   • The iOS Media Layer
   • Core Video Framework (CoreVideo.framework)
   • Core Text Framework (CoreText.framework)
   • Image I/O Framework (ImageIO.framework)
   • Assets Library Framework (AssetsLibrary.framework)
   • Core Graphics Framework (CoreGraphics.framework)
   • Quartz Core Framework (QuartzCore.framework)
   • OpenGL ES framework (OpenGLES.framework)
   • iOS Audio Support
   • AV Foundation framework (AVFoundation.framework)
   • Core Audio Frameworks (CoreAudio.framework, AudioToolbox.framework and AudioUnit.framework)
   • Open Audio Library (OpenAL)
   • Media Player framework (MediaPlayer.framework)
   • Core Midi Framework (CoreMIDI.framework)
   • The iOS Core Services Layer
   • Address Book framework (AddressBook.framework)
   • CFNetwork Framework (CFNetwork.framework)
   • Core Data Framework (CoreData.framework)
   • Core Foundation Framework (CoreFoundation.framework)
   • Core Media Framework (CoreMedia.framework)
   • Core Telephony Framework (CoreTelephony.framework)
   • EventKit Framework (EventKit.framework)
   • Foundation Framework (Foundation.framework)
   • Core Location Framework (CoreLocation.framework)
   • Mobile Core Services Framework (MobileCoreServices.framework)
   • Store Kit Framework (StoreKit.framework)
   • SQLite library
   • System Configuration Framework (SystemConfiguration.framework)
   • Quick Look Framework (QuickLook.framework)
   • The iOS Core OS Layer
   • Accelerate Framework (Accelerate.framework)
   • External Accessory framework (ExternalAccessory.framework)
   • Security Framework (Security.framework)
   • System (LibSystem)
     
     
4. Installing Xcode 4 and the iOS 4 SDK (iPad)
   • Identifying if you have an Intel or PowerPC based Mac
   • Installing Xcode 4 and the iOS 4 SDK
   • Starting Xcode 4
     
     
5. Creating a Simple iPad iOS 4 App
   • Starting Xcode 4
   • Creating the iOS App User Interface
   • Changing Component Properties
   • Adding Objects to the User Interface
   • Building and Running an iPad App in Xcode 4
   • Dealing with Build Errors
     
     
6. An Overview of the iPad iOS 4 Application Development Architecture
   • Model View Controller (MVC)
   • The Target-Action pattern, IBOutlets and IBActions
   • Subclassing
   • Delegation
     
     
7. Creating an Interactive iOS 4 iPad App (Xcode 4)
   • Creating the New Project
   • Creating the User Interface
   • Building and Running the Sample Application
   • Adding Actions and Outlets
   • Connecting the Actions and Outlets to the User Interface
   • Building and Running the Finished Application
     
     
8. Writing iOS 4 Code to Hide the iPad Keyboard
   • Creating the Example App
   • Hiding the Keyboard when the User Touches the Return Key
   • Hiding the Keyboard when the User Taps the Background
     
     
9. Understanding iPad iOS 4 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 and Action Sheets
     
     
10. iOS 4 iPad Rotation, View Resizing and Layout Handling (Xcode 4)
    • Setting up the Example
    • iPad Screen Resolution
    • Enabling Rotation
    • Testing Rotation Behavior
    • Configuring View Autosizing
    • Coding Layout and Size Changes
      
      
11. Creating an iOS 4 iPad Multiview Application using the Tab Bar
    • An Overview of the Tab Bar
    • Understanding View Controllers in a Multiview Application
    • Setting up the Tab Bar Example Application
    • Configuring the App Delegate
    • Creating the UITabBarController
    • Connecting the App Delegate Outlet to the Tab Bar Controller
    • Creating the Content Views and View Controllers
    • Associating Content Views with Tabs
    • Testing the Multiview Application
      
      
12. Creating a Simple iOS 4 iPad Table View Application
    • An Overview of the Table View
    • The Table View Delegate and dataSource
    • Table View Styles
    • Table View Cell Styles
    • Setting up the Project
    • Adding the Table View Component
    • Making the Delegate and dataSource Connections
    • Implementing the dataSource
    • Building and Running the Application
    • Adding Table View Images and Changing Cell Styles
      
      
13. An iPad iOS 4 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
      
      
14. An iOS 4 iPad Multiple Component UIPickerView Example (Xcode 4)
    • Creating the iPad PickerView Project
    • UIPickerView Delegate and DataSource
    • The pickerViewController.h File
    • Designing the User Interface
    • Initializing the Arrays
    • Implementing the DataSource Protocol
    • Implementing the Delegate
    • Releasing Memory
    • Testing the Application
      
      
15. Working with Directories on the iPad with iOS 4
    • The Application Documents Directory
    • The Objective-C NSFileManager, NSFileHandle and NSData Classes
    • Understanding Pathnames in Objective-C
    • Creating an NSFileManager Instance 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
      
      
16. Working with Files on the iPad with iOS 4
    • Creating an NSFileManager Instance
    • Checking if a File Exists
    • 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
    • NSFileHandle File Offsets and Seeking
    • Reading Data from a File
    • Writing Data to a File
    • Truncating a File
      
      
17. iPad iOS 4 SDK Directory Handling and File I/O – A Worked Example
    • The Example iPad Application
    • Setting up the Application project
    • Designing the User Interface
    • Checking for the Data File on Application Startup
    • Implementing the Action Method
      
      
18. Data Persistence on the iPad using Archiving with iOS 4
    • An Overview of Archiving
    • The iPad Object Archiving Example Application
    • Implementing the Actions and Outlets
    • Releasing Memory
    • Designing the iPad User Interface
    • Checking for the Existence of the Archive File on Startup
    • Archiving Object Data in the Action Method
    • Testing the Application
      
      
19. Identifying iPad Gestures using iOS 4 Gesture Recognizers (Xcode 4)
    • The UIGestureRecognizer Class
    • Recognizer Action Messages
    • Discrete and Continuous Gestures
    • Obtaining Data from an iPad 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
      
      
20. An iPad iOS 4 Gesture Recognition Tutorial
    • Creating the Gesture Recognition Project
    • Configuring the Label Outlet
    • Designing the User Interface
    • Configuring the Gesture Recognizers
    • Adding the Action Methods
    • Testing the Gesture Recognition Application
      
      
21. Basic iPad Animation using Core Animation (Xcode 4)
    • UIView Core Animation Blocks
    • Understanding Animation Curves
    • Receiving Notification of Animation Completion
    • Performing Affine Transformations
    • Combining Transformations
      
      
22. An iPad Core Animation Tutorial
    • Creating the Core Animation Project
    • Implementing the Interface File
    • Drawing in the UIView
    • Detecting Screen Touches and Performing the Animation
    • Building and Running the Animation Application
      
      
23. Integrating iAds into an iOS 4 iPad App (Xcode 4)
    • Making Money from an iPad Application
    • iOS iPhone Advertising Options
    • iAds Advertisement Formats
    • Basic Rules for the Display of iAds
    • Creating an Example iAds iPhone Application
    • Adding the iAds Framework to the Xcode Project
    • Configuring the View Controller
    • Designing the User Interface
    • Creating the Banner Ad
    • Displaying the Ad
    • Changing Ad Format during Device Rotation
    • Implementing the Delegate Methods
    • bannerViewActionShouldBegin
    • bannerViewActionDidFinish
    • bannerView:didFailToReceiveAdWithError