The update to the bestsellingMore iPhone 3 Developmentby Dave Mark and Jeff LaMarche,More iPhone 4 Development: Further Explorations of the iOS SDKdigs deep into Apple's latest SDK 4, explaining complex concepts and techniques in the same friendly, easy-to-follow style you've come to expect.#xEF;#xBF;#xBD;#xEF;#xBF;#xBD; You'll cover topics like Core Data, peer-to-peer networking using GameKit and network streams, working with the Maps API, In-app email, PDF creating, and more. All of the concepts are clearly presented with code snippets you can customize and use, as you like, in your own apps. By the end of the book, you#xE2;??ll be prepared to create the most sophisticated and fun iPhone and Ipad apps possible.#xEF;#xBF;#xBD;#xEF;#xBF;#xBD; Whether you are a relative newcomer to iPhone and iPad development or an mobile development veteran looking to expand your horizons, there's something for everyone in#xEF;#xBF;#xBD;More iPhone 4 DevelopmentK What you'll learn All about Core Data: key concepts and techniques for writing larger application How to utilize a variety of networking mechanisms, including peer-to-peer connections over Bluetooth using GameKit Details on the addition of Bonjour discovery and network streams How to embed maps with Map Kit and use in-application email How to access a user's iPod library and integrate music into applications Essentials of concurrent programming and advanced debugging techniques Tips on working with data from the web Who this book is for All iPhone, iPod Touch, and iPad app developers, especially developers already familiar with the basics of Apple's iPhone SDKs.