Vandad Nahavandipoor, iOS 

Overcome the vexing issues you’ll inevitably confront when creating apps for the iPhone, iPad, or iPod touch. By making use of new and revised recipes in this updated cookbook, you’ll quickly learn the steps necessary to write complete iOS apps—including ways to store and protect data, enhance and animate graphics, manage files and folders, and take advantage of Passbook.

Thoroughly updated for iOS 6 SDK, this cookbook shows you how to use hundreds of techniques to solve problems that developers of all levels commonly face. Each recipe includes sample code you can use right away.

Use Pass Kit to deliver digitally-signed passes such as loyalty cards
Define the layout of UI elements with Cocoa Auto Layout
Develop location-aware apps
Get working examples for implementing gesture recognizers
Use new Objective-C Runtime features
Play audio and video files and access the iPod library
Retrieve contacts and groups from the Address Book
Determine camera availability and access the Photo Library
Create multitasking-aware apps
Use Event Kit to manage calendars, dates, and events
Apply the accelerometer and gyroscope
Enhance your app with the iCloud service