about the technology

Barcodes are a universal way to track and share information, appearing on everything from cereal boxes to shop windows. Starting with iOS 7, Apple has added native features for building apps that scan, display, and print barcodes, eliminating the need for third-party libraries.

about the book

Barcodes with iOS teaches you how to effectively use barcodes in your iOS apps. You'll master Apple's new barcode frameworks while you explore real-world examples that integrate code scanning and generation and metadata retrieval into your apps. Along the way, you'll pick up numerous best practices for bringing together the physical and digital worlds.

what's inside

• Learn about all barcode formats supported by iOS
• Native barcode scanning with AV Foundation
• Using Core Image and BarCodeKit to produce a wide range of barcodes
• Printing to sheets and labels with AirPrint
• Retrieving metadata for products with NSURLSession and NSURLProtocol
• Harnessing context information from Core Location and iBeacons

about the reader

This book is written for readers with a working knowledge of Objective-C and iOS app development.

about the author

Oliver Drobnik is an independent consultant specializing in custom iOS and Mac development.