“iPhone iOS 5 Development Essentials” is another free online book from Techotopia. The aim of this book is to teach you the skills necessary to build your own apps for the iPhone. This iOS 5 edition of iPhone Development Essentials contains 56 chapters of in-depth information on the development of apps for the iPhone fully updated for use with the iOS 5 SDK.
Read “App Savvy: Turning Ideas into iPad and iPhone Apps Customers Really Want” by Ken Yarmosh for free from O’Reilly Media’s Open Feedback Publishing System. How can you make your iPad or iPhone app stand out in the highly competitive App Store? While many books simply explore the technical aspects of iPad and iPhone app design and development, App Savvy also focuses on the business, product, and marketing elements critical to pursuing, completing, and selling your app.
Free online book “iPad iOS 4 App development Essentials – Xcode 4 Edition” from Techotopia. iPad iOS 4 Development Essentials – Xcode 4 Edition contains 48 chapters of in-depth information on the development of apps for the iPad using the iOS 4 SDK and Xcode version 4. Beginning with the basics, this book provides an overview of the iPad hardware and the architecture of both iOS 4 and the iOS SDK. An introduction to programming in Objective-C is provided followed by an in-depth look at the architecture of iPad applications and the design of user interfaces.
Free 370 page online book “iPhone iOS 4 Development Essentials – Xcode 4 Edition” from Techotopia. This Xcode 4 Edition of iPhone iOS 4 Development Essentials contains 43 chapters of in-depth information on the development of apps for the iPhone fully updated for use with Xcode version 4. Beginning with the basics, this book provides an overview of the iPhone hardware and the architecture of both iOS 4 and the iOS SDK.
Free 350 page online book “iPhone iOS 4 Development Essentials” from Techotopia. Beginning with the basics, this book provides an overview of the iPhone hardware and the architecture of iOS 4. An introduction to programming in Objective-C is provided followed by an in-depth look at the design of iPhone applications and user interfaces.
You can read “iPhone 3D Programming” online from O’Reilly Labs Open Feedback Publishing System. Do you have a great idea for a graphics-intensive iPhone or iPad application, but don’t know how to bring it to life? This book offers the perfect solution: a crash course on the OpenGL graphics library with an overview of iPhone 3D development.
Download “iPhone Application Programming Guide” in pdf format or read it online. The iPhone SDK provides the tools and resources needed to create native iPhone applications that appear as icons on the user’s Home screen.
Read “Building iPhone Apps with HTML, CSS, and JavaScript: Making App Store Apps Without Objective-C or Cocoa” by Jonathan Starkonline for free via an experimental offering from O’Reilly Labs.
Free eBook “Introduction to iPhone Programming using Dashcode and Xcode” by Wei-Meng Lee.
Download “Stream Programming Guide for Cocoa” in pdf format or read it online. A stream is a fundamental abstraction in programming: a sequence of bits transmitted serially from one point to another point. Cocoa provides three classes to represent streams and facilitate their use in your programs: NSStream, NSInputStream, and NSOutputStream. With the instances of these classes you can read data from, and write data to, files and application memory.
Posted in 
