Barcodes with iOS is the first and only book that comprehensively addresses barcode technology for the iOS developer. It offers an introduction to commonly used formats, such as ISBN and UPC codes, and provides real-world examples that teach you how to integrate code scanning and generation into your apps. This book consolidates information about applicable Apple frameworks in one place, so you can quickly, add native barcode support to your existing enterprise apps or start building new apps, that help bring, together the physical and digital worlds.
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.
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
Table of Contents • Barcodes, iOS, and you 1 • Media capture with AV Foundation 18 • Scanning barcodes 48 • Passbook, Apple's digital wallet 70 • Generating barcodes 97 • Getting metadata for barcodes 133 • Putting barcodes in context 172 Appendices • History of the UPC 205 • GTIN prefix ranges 212 • GS1-128 application identifiers 217
