book

iOS 4 Programming Cookbook

Name: iOS 4 Programming Cookbook
Author: Vandad Nahavandipoor
ISBN: 9781449388225

by Vandad Nahavandipoor

February 2011

Intermediate to advanced

638 pages

14h 57m

English

O'Reilly Media, Inc.

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Dedication
A Note Regarding Supplemental Files
Preface
AudienceOrganization of This BookAdditional ResourcesConventions Used in This BookUsing Code ExamplesWe’d Like to Hear from YouSafari® Books OnlineAcknowledgments
1. Working with Objects
1.0. Introduction1.1. Implementing and Using Custom Objects1.2. Allocating and Initializing Objects1.3. Defining Two or More Methods with the Same Name in an Object1.4. Defining and Accessing Properties1.5. Managing Properties Manually1.6. Reusing a Block of Code1.7. Communicating with Objects1.8. Invoking the Selectors of an Object Dynamically1.9. Managing Memory with the iOS SDK1.10. Managing Untyped Objects
2. Implementing Controllers and Views
2.0. Introduction2.1. Getting and Using the Application Delegate2.2. Managing the Views in Your Application2.3. Creating Your Application’s GUI2.4. Making Your View Controller Available at Runtime2.5. Using a View in Your Application’s GUI2.6. Managing Master-Detail Views2.7. Managing Multiple Views2.8. Incorporating and Using Models in the GUI2.9. Implementing Navigation Bars2.10. Switching from One View to Another2.11. Setting the Title on a Navigation Bar2.12. Displaying an Image for the Title of the Navigation Bar2.13. Creating and Managing Buttons on a Navigation Bar2.14. Removing a View from a Navigation Controller2.15. Manipulating a Navigation Controller’s Array of View Controllers2.16. Incorporating a Tab Bar into Your Application2.17. Pop Up Additional Information over iPad UI Elements
3. Constructing and Using Table Views
3.0. Introduction3.1. Creating a Table View Using Interface Builder3.2. Creating a Table View Using Code3.3. Assigning an Event Handler to a Table View Using Interface Builder3.4. Assigning an Event Handler to a Table View Using Xcode3.5. Populating a Table View with Data3.6. Receiving and Handling Table View Events3.7. Using Different Types of Accessories in a Table View3.8. Creating Custom Table View Accessories3.9. Customizing the Appearance of a Table View’s Contents3.10. Displaying Hierarchical Data3.11. Effectively Managing Memory with Table Views3.12. Editing and Moving Data in a Table View3.13. Enabling Swipe Deletion3.14. Grouping Data
4. Core Location and Maps
4.0. Introduction4.1. Creating a Map Using Interface Builder4.2. Creating a Map Using Code4.3. Handling the Events of a Map4.4. Pinpointing a Device’s Location4.5. Displaying Built-in Pins on a Map View4.6. Displaying Pins with Different Colors on a Map View4.7. Creating and Displaying Custom Pins on a Map View4.8. Retrieving Meaningful Addresses Using Spatial Coordinates4.9. Retrieving Spatial Coordinates Using Meaningful Addresses
5. Implementing Gesture Recognizers
5.0. Introduction5.1. Detecting Swipe Gestures5.2. Reacting to Rotation Gestures5.3. Detecting Panning and Dragging Gestures5.4. Detecting Long Press Gestures5.5. Responding to Tap Gestures5.6. Responding to Pinch Gestures
6. Networking and XML
6.0. Introduction6.1. Opening and Reading a Local XML File6.2. Parsing an XML File into Objects6.3. Downloading Files Synchronously6.4. Downloading Files Asynchronously6.5. Reading and Parsing Remote XML Files6.6. Caching Files in Memory6.7. Caching Files on Disk
7. Operations, Threads, and Timers
7.0. Introduction7.1. Running Tasks Synchronously7.2. Running Tasks Asynchronously7.3. Creating a Dependency Between Tasks7.4. Performing a Task After a Delay7.5. Performing Periodic Tasks7.6. Performing Periodic Tasks Efficiently7.7. Initializing Threads Implicitly7.8. Exiting Threads and Timers7.9. Avoiding Memory Leaks in Threads

8. Audio and Video
8.0. Introduction8.1. Playing Audio Files8.2. Handling Interruptions While Playing Audio Files8.3. Recording Audio Files8.4. Handling Interruptions While Recording Audio Files8.5. Playing Audio over Other Sounds That Are Playing8.6. Playing Video Files8.7. Capturing Thumbnails from a Video File Asynchronously8.8. Accessing the iPod Library in Response to a User Request
9. Address Book
9.0. Introduction9.1. Accessing the Address Book9.2. Retrieving All the People in the Address Book9.3. Retrieving Properties of Address Book Entries9.4. Inserting a Person Entry in the User’s Address Book9.5. Inserting a Group Entry in the User’s Address Book9.6. Adding Persons to Groups9.7. Searching in the Address Book9.8. Retrieving and Setting a Person’s Address Book Image
10. Camera and the Photo Library
10.0. Introduction10.1. Detecting and Probing the Camera10.2. Taking Photos with the Camera10.3. Taking Videos with the Camera10.4. Storing Photos in the Photo Library10.5. Storing Videos in the Photo Library10.6. Retrieving Photos and Videos from the Photo Library10.7. Retrieving Assets from the Assets Library10.8. Editing Videos on an iOS Device
11. Multitasking
11.0. Introduction11.1. Detecting the Availability of Multitasking11.2. Completing a Long-Running Task in the Background11.3. Receiving Local Notifications in the Background11.4. Playing Audio in the Background11.5. Handling Location Changes in the Background11.6. Saving and Loading the State of a Multitasking iOS Application11.7. Handling Network Connections in the Background11.8. Handling Notifications Delivered to a Waking Application11.9. Handling Locale Changes in the Background11.10. Responding to Changes in an Application’s Settings11.11. Opting Out of Background Execution
12. Core Data
12.0. Introduction12.1. Creating a Core Data Model with Xcode12.2. Creating and Using Core Data Model Classes12.3. Creating and Saving Data Using Core Data12.4. Loading Data Using Core Data12.5. Deleting Data Using Core Data12.6. Sorting Data Using Core Data12.7. Boosting Data Access in Table Views12.8. Implementing Relationships with Core Data
13. Event Kit
13.0. Introduction13.1. Retrieving the List of Calendars13.2. Adding Events to Calendars13.3. Accessing the Contents of Calendars13.4. Removing Events from Calendars13.5. Adding Recurring Events to Calendars13.6. Retrieving the Attendees of an Event13.7. Adding Alarms to Calendars13.8. Handling Event Changed Notifications13.9. Presenting Event View Controllers13.10. Presenting Event Edit View Controllers
14. Graphics
14.0. Introduction14.1. Drawing Basic Shapes on a Graphics Context14.2. Drawing Paths on a Graphics Context14.3. Drawing Images on a Graphics Context14.4. Capturing the Screen Contents into an Image14.5. Drawing Text with Core Graphics
15. Core Motion
15.0. Introduction15.1. Detecting the Availability of an Accelerometer15.2. Detecting the Availability of a Gyroscope15.3. Retrieving Accelerometer Data15.4. Detecting a Shake on an iOS Device15.5. Retrieving Gyroscope Data
Index
About the Author
Colophon
Copyright

Overview

You can build a variety of amazing apps on the iOS platform—and every one of them presents a unique set of problems. With the recipes in this cookbook, you'll go beyond theory to solve the vexing, real-life issues you’re likely to face when creating apps for the iPhone, iPad, or iPod Touch. Each recipe provides a clear solution and sample code that you can use right away.

You'll find solutions for working with development frameworks in iOS SDK 4 and technologies such as Cocoa, Objective-C, Xcode, and Interface Builder. Whether you have a little or a lot of experience with iOS development, you’ll find the help you need for every phase of the process, from initial idea to completed project.

Work with Objective-C classes, objects, properties, delegates, and memory management
Construct a user interface with gesture recognizers
Develop location-aware applications with the Map Kit and Core Location APIs
Build apps that play audio and video, manage calendars and events, access contacts and groups, or tap into the Photo Library
Use the Core Motion framework to access the accelerometer and gyroscope
Maintain persistent storage for iOS apps with the Core Data framework
Create multitasking-aware apps that let users leave and return without losing their place

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