From Techotopia

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		Preface

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Purchase the fully updated iOS 6 edition of this book in Print ($29.99) or eBook ($12.99) format Print and eBook (ePub/PDF/Kindle) editions contain 79 chapters.

© 2012 Neil Smyth / Payload Media. This eBook is provided for personal use only. Unauthorized use, reproduction and/or distribution strictly prohibited. All rights reserved.

[edit] Table of Contents

Preface About iPhone iOS 5 Development Essentials Example Source Code Feedback The Anatomy of an iPhone 4S iOS 5 Display Wireless Connectivity Wired Connectivity Memory Cameras Sensors Location Detection Central Processing Unit (CPU) Speaker and Microphone Vibration iPhone iOS 5 Architecture and SDK Frameworks iPhone OS becomes iOS An Overview of the iOS 5 Architecture The Cocoa Touch Layer The iOS Media Layer iOS Audio Support The iOS Core Services Layer The iOS Core OS Layer Joining the Apple iOS Developer Program Registered Apple Developer iOS Developer Program When to Enroll in the iOS Developer Program? Enrolling in the iOS Developer Program Installing Xcode 4 and the iOS 5 SDK Identifying if you have an Intel or PowerPC based Mac Installing Xcode 4 and the iOS 5 SDK Starting Xcode 4.2 Creating a Simple iPhone iOS 5 App Starting Xcode 4 Creating the iOS App User Interface Changing Component Properties Adding Objects to the User Interface Building and Running an iOS App in Xcode 4 Dealing with Build Errors Testing iOS 5 Apps on the iPhone – Developer Certificates and Provisioning Profiles Creating an iOS Development Certificate Signing Request Submitting the iOS Development Certificate Signing Request Installing an iOS Development Certificate Assigning Devices Creating an App ID Creating an iOS Development Provisioning Profile Enabling an iPhone Device for Development Associating an App ID with an App iOS and SDK Version Compatibility Installing an App onto a Device An Overview of the iPhone iOS 5 Application Development Architecture Model View Controller (MVC) The Target-Action pattern, IBOutlets and IBActions Subclassing Delegation Creating an Interactive iOS 5 iPhone App 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 Writing iOS 5 Code to Hide the iPhone Keyboard Creating the Example App Hiding the Keyboard when the User Touches the Return Key Hiding the Keyboard when the User Taps the Background Understanding iOS 5 iPhone 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 iOS 5 iPhone Rotation, View Resizing and Layout Handling Setting up the Example Enabling and Disabling Rotation Testing Rotation Behavior Configuring View Autosizing Coding Layout and Size Changes Using Xcode Storyboarding (iPhone iOS 5) An Overview of Xcode Storyboarding 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 Triggering a Storyboard Segue Programmatically Performing Tasks before a Segue Using Xcode Storyboards to create an iOS 5 iPhone 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 Renaming the Initial View Controller Adding the View Controller for the Second Content View Adding the Tab Bar Controller to the Storyboard Adding a Second View Controller to the Storyboard Designing the View Controller User interfaces Configuring the Tab Bar Items Building and Running the Application An Overview of iOS 5 Table Views and Xcode Storyboards An Overview of the Table View Static vs. Dynamic Table Views The Table View Delegate and dataSource Table View Styles Table View Cell Styles Using Xcode Storyboards to Build Dynamic TableViews with Prototype Table View Cells Creating the Example Project Adding the TableView Controller to the Storyboard Creating the UITableViewController and UITableViewCell Subclasses Declaring the Cell Reuse Identifier Designing a Storyboard UITableView Prototype Cell Modifying the CarTableViewCell Class Creating the Table View Datasource Downloading and Adding the Image Files Compiling and Running the Application Implementing TableView Navigation using Xcode Storyboards Understanding the Navigation Controller Adding the New Scene to the Storyboard Adding a Navigation Controller Establishing the Storyboard Segue Modifying the CarDetailViewController Class Using prepareForSegue: to Pass Data between Storyboard Scenes Testing the Application Using an Xcode Storyboard to Create a Static Table View An Overview of the Static Table Project Creating the Project Adding a Table View Controller Changing the Table View Content Type Designing the Static Table Adding Items to the Table Cells Modifying the StaticTableViewController Class Building and Running the Application Creating a Simple iOS 5 iPhone Table View Application 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 Creating a Navigation based iOS 5 iPhone Application using TableViews Understanding the Navigation Controller An Overview of the Example Setting up the Project Reviewing the Project Files Adding the Root View Controller Creating the Navigation Controller Setting up the Data in the Root View Controller Writing Code to Display the Data in the Table View Creating the Second View Controller Connecting the Second View Controller to the Root View Controller Adding the Navigation Code Controlling the Navigation Controller Stack Programmatically Implementing a Page based iOS 5 iPhone Application using UIPageViewController The UIPageViewController Class The UIPageViewController DataSource Navigation Orientation Spine Location The UIPageViewController Delegate Protocol An Example iOS 5 iPhone UIPageViewController Application The Xcode Page-based Application Template Creating the Project Adding the Content View Controller Creating Data Model Initializing the UIPageViewController Running the UIPageVIewController Application Using the iPhone iOS 5 UIPickerView and UIDatePicker Components The DatePicker and PickerView Components A DatePicker Example Designing the User Interface Coding the Date Picker Example Functionality Releasing Memory Building and Running the iPhone Date Picker Application An iOS 5 iPhone UIPickerView Example Creating the iOS 5 PickerView Project UIPickerView Delegate and DataSource The pickerViewController.h File Designing the User Interface Initializing the Arrays Implementing the DataSource Protocol Implementing the Delegate Hiding the Keyboard Memory Management Testing the Application Working with iPhone iOS 5 Filesystem Directories 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 Working with iPhone Files on iOS 5 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 5 iPhone Directory Handling and File I/O – A Worked Example The Example iPhone Application Setting up the Application project Defining the Actions and Outlets Designing the User Interface Checking the Data File on Application Startup Implementing the Action Method Building and Running the Example Preparing an iOS 5 iPhone App to use iCloud Storage What is iCloud? iCloud Data Storage Services Preparing an Application to Use iCloud Storage Creating an iOS 5 iCloud enabled App ID Creating and Installing an iCloud Enabled Provisioning Profile Creating an iCloud Entitlements File Manually Creating the Entitlements File Defining the Ubiquity Container URL Managing iPhone Files using the iOS 5 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 Declaring the Outlets and Actions 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 5 iPhone Application iCloud Usage Guidelines Preparing the iCloudStore Application for iCloud Access Configuring the View Controller Declaring the UBUIQUITY_CONTAINER_URL Constant Implementing the viewDidLoad Method Implementing the metadataQueryDidFinishGathering: Method Implementing the saveDocument Method Enabling iCloud Document and Data Storage on an iPhone Running the iCloud Application Reviewing and Deleting iCloud Based Documents Making a Local File Ubiquitous Synchronizing iPhone iOS 5 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 Implementing the View Controller Modifying the viewDidLoad Method Implementing the Notification Method Implementing the saveData Method Designing the User Interface iOS 5 iPhone Data Persistence using Archiving An Overview of Archiving The Archiving Example Application Implementing the Actions and Outlets Memory Management Designing the User Interface Checking for the Existence of the Archive File on Startup Archiving Object Data in the Action Method Testing the Application iOS 5 iPhone Database Implementation using SQLite What is SQLite? Structured Query Language (SQL) Trying SQLite on MacOS X Preparing an iPhone 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 An Example SQLite based iOS 5 iPhone Application About the Example SQLite iPhone Application Creating and Preparing the SQLite Application Project Importing sqlite3.h and declaring the Database Reference Creating the Outlets and Actions Releasing Memory Creating the Database and Table Implementing the Code to Save Data to the SQLite Database Implementing Code to Extract Data from the SQLite Database Designing the User Interface Building and Running the Application Working with iOS 5 iPhone 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 An iOS 5 iPhone Core Data Tutorial The iPhone Core Data Example Application Creating a Core Data based iPhone Application Creating the Entity Description Adding a View Controller Adding Actions and Outlets to the View Controller Designing the User Interface Saving Data to the Persistent Store using Core Data Retrieving Data from the Persistent Store using Core Data Releasing Memory Building and Running the Example Application An Overview of iOS 5 iPhone 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 An Example iOS 5 iPhone Touch, Multitouch and Tap Application The Example iOS 5 iPhone Tap and Touch Application Creating the Example iOS Touch Project Creating the Outlets 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 Detecting iOS 5 iPhone Touch Screen Gesture Motions The Example iOS 5 iPhone Gesture Application Creating the Example Project Creating Outlets Designing the Application User Interface Implementing the touchesBegan Method Implementing the touchesMoved Method Implementing the touchesEnded Method Building and Running the Gesture Example Identifying iPhone Gestures using iOS 5 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 iPhone iOS 5 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 Drawing iOS 5 iPhone 2D Graphics with Quartz Introducing Core Graphics and Quartz 2D The drawRect Method Points, Coordinates and Pixels The Graphics Context Working with Colors in Quartz 2D An iOS 5 iPhone Graphics Drawing Tutorial using Quartz 2D The iOS iPhone 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 a Cubic Bézier Curve Drawing a Quadratic Bézier Curve Dashed Line Drawing Drawing an Image into a Graphics Context Image Filtering with the Core Image Framework Basic iOS 5 iPhone 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 Integrating iAds into an iOS 5 iPhone App 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 bannerViewWillLoadAd An Overview of iOS 5 iPhone Multitasking Understanding iOS Application States A Brief Overview of the Multitasking Application Lifecycle Disabling Multitasking for an iOS Application Checking for Multitasking Support Supported Forms of Background Execution The Rules of Background Execution Scheduling Local Notifications Scheduling iOS 5 iPhone Local Notifications Creating the Local Notification iPhone App Project Locating the Application Delegate Method Adding a Sound File to the Project Scheduling the Local Notification Testing the Application Cancelling Scheduled Notifications Immediate Triggering of a Local Notification Getting iPhone Location Information using the iOS 5 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 An Example iOS 5 iPhone Location Application Creating the Example iOS 5 iPhone Location Project Adding the Core Location Framework to the Project Configuring the View Controller Designing the User Interface Creating the CLLocationManager Object Implementing the Action Method Implementing the Application Delegate Methods Releasing Memory Building and Running the iPhone Location Application Working with Maps on the iPhone with MapKit and the MKMapView Class About the MapKit Framework Understanding Map Regions About the iPhone MKMapView Tutorial Creating the iPhone Map Tutorial Adding the MapKit Framework to the Xcode Project Declaring an Outlet for the MapView Creating the MKMapView and Connecting the Outlet Adding the Tool Bar Items Changing the MapView Region Changing the Map Type Testing the iPhone MapView Application Updating the Map View based on User Movement Adding Basic Annotations to a Map View Accessing the iOS 5 iPhone Camera and Photo Library The iOS 5 UIImagePickerController Class Creating and Configuring a UIImagePickerController Instance Configuring the UIImagePickerController Delegate Detecting Device Capabilities Saving Movies and Images An Example iOS 5 iPhone Camera Application An Overview of the Application Creating the Camera Project Adding Framework Support Configuring Protocols, Outlets and Actions Designing the User Interface Implementing the Action Methods Writing the Delegate Methods Releasing Memory Building and Running the Application Video Playback from within an iOS 5 iPhone Application An Overview of the MPMoviePlayerController Class Supported Video Formats The iPhone Movie Player Example Application Adding the MediaPlayer Framework to the Project Declaring the Action Method and MoviePlayer Instance Designing the User Interface Adding the Video File to the Project Resources Implementing the Action Method The Target-Action Notification Method Build and Run the Application Accessing a Network based Video File Playing Audio on an iPhone using AVAudioPlayer Supported Audio Formats Receiving Playback Notifications Controlling and Monitoring Playback Creating the iPhone Audio Example Application Adding the AVFoundation Framework Adding an Audio File to the Project Resources Creating Actions and Outlets Implementing the Action Methods Creating Initializing the AVAudioPlayer Object Implementing the AVAudioPlayerDelegate Protocol Methods Designing the User Interface Releasing Memory Building and Running the Application Recording Audio on an iPhone with AVAudioRecorder An Overview of the iPhone AVAudioRecorder Tutorial Creating the Recorder Project Declarations, Actions and Outlets Creating the AVAudioRecorder Instance Implementing the Action Methods Implementing the Delegate Methods Designing the User Interface Releasing Memory Testing the Application Integrating Twitter into iPhone iOS 5 Applications The iOS 5 Twitter Framework iOS 5 Accounts Framework The TWTeetComposeViewController Class An Example iPhone iOS 5 TWTeetComposeViewController Twitter Application iPhone Twitter Application Overview Creating the TwitterApp Project Declaring Outlets, Actions and Variables Creating the TWTweetComposeViewController Instance Implementing the Action Methods Releasing Memory Designing the User Interface Building and Running the Application Preparing and Submitting an iOS 5 iPhone Application to the App Store Generating an iOS Distribution Certificate Signing Request Submitting the Certificate Signing Request Installing the Distribution Certificate Generating an App Store Distribution Provisioning Profile Adding an Icon to the Application Archiving the Application for Distribution Configuring the Application in iTunes Connect

Older Chapters

1. Creating an iOS 5 iPhone 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
   • Locating the Root Controller
   • Reviewing the Content View Controllers
   • Initializing the Root Controller
   • Building and Running the Application
   • Adding an Additional Content View