[...]... author and peer discussion, join the P2P forums at p2p .wrox. com The forums are a web-based system for you to post messages relating to Wrox books and related technologies and interact with other readers and technology users The forums offer a subscription feature to e-mail you topics of interest of your choosing when new posts are made to the forums Wrox authors, editors, other industry experts, and your... e-mailed to you, click the Subscribe to This Forum icon by the forum name in the forum listing For more information about how to use the Wrox P2P, be sure to read the P2P FAQs for answers to questions about how the forum software works as well as many common questions specific to P2P and Wrox books To read the FAQs, click the FAQ link on any P2P page flast.indd xxiv 11/09/12 9:18 AM PART I Understanding iOS. .. with service locators ➤ Supporting older apps with service versioning WROX. COM CODE DOWNLOADS FOR THIS CHAPTER You can fi nd the wrox. com code downloads for this chapter at www .wrox. com/WileyCDA/ WroxTitle /Professional- iOS- Network- Programming -Connecting- the- Enterprise- tothe -iPhone- and- iPad. productCd-1118362403.html on the Download Code tab You can fi nd the code for this chapter in the Chapter 2 download... http://www .wrox. com/dynamic/books/ download.aspx to see the code available for this book and all other Wrox books The code listings and snippets provided in the text of this book comprise only a part of the code required for a functional iOS app The downloadable code examples are complete XCode projects that contain all of the code required to build and deploy the samples to an iOS device Therefore,... based on the scheduled fi re time, not the actual fire time If a timer fi res while the run loop is executing an application handler method, it waits until the next pass through the run loop to call the timer handler, typically set via @selector() If fi ring the handler is delayed to the point in which the next invocation occurs, the timer fi res only one event with the delayed event being suppressed... devices All the example apps and code snippets are written for iOS 5.0 and higher The authors have chosen to focus on iOS 5 and later because the iOS customer base tends to update rapidly; therefore, the installed base of early iOS versions is small Other mobile operations systems have slower adoption rates for new OS versions because each version must be approved by wireless carriers, which delay their... INTRODUCTION AS IPHONES AND IPADS BECOME A UBIQUITOUS part of your personal and professional life, you become more and more dependent on their capability to seamlessly and flawlessly interact with hosts across the Internet or with other phones across the room This book provides a compilation of methods to accomplish this level of connectivity with examples and best practices for each of these methods The release... save another reader hours of frustration, and at the same time you can help us provide even higher quality information To fi nd the errata page for this book, go to http://www .wrox. com and locate the title using the Search box or one of the title lists Then, on the book details page, click the Book Errata link On this page you can view all errata submitted for this book and posted by Wrox editors flast.indd... links to each book’s errata is also available at www .wrox. com/misc-pages/booklist.shtml If you don’t spot “your” error on the Book Errata page, go to www .wrox. com/contact/ techsupport.shtml and complete the form to send us the error you have found We’ll check the information and, if appropriate, post a message to the book’s errata page and fix the problem in subsequent editions of the book P2P .WROX. COM... of the iPhone SDK, now known as iOS, started a stampede of experienced and novice developers rushing to develop apps for the iPhone In this rush, many books have been written about how to develop for the iPhone Most of these books have focused on developing user interfaces This book does not follow that well-worn path The sole focus of this book is the methods and best practices for connecting your iOS . Programming CONNECTING THE ENTERPRISE TO THE IPHONE AND IPAD Jack Cox Nathan Jones John Szumski ffirs.indd vffirs.indd v 13/09/12 2:46 PM13/09/12 2:46 PM Professional iOS Network Programming: Connecting. PM CONTENTS INTRODUCTION xix PART I: UNDERSTANDING IOS AND ENTERPRISE NETWORKING CHAPTER 1: INTRODUCING IOS NETWORKING CAPABILITIES 3 Understanding the Networking Frameworks 3 iOS Networking APIs 4 NSURLConnection. United States and other coun- tries, and may not be used without written permission. iPhone and iPad are registered trademarks of Apple, Inc. All other trademarks are the property of their respective