Introducing Blocks and Grand Central Dispatch on iPhone

Xcode 4 is the next generation integrated development toolset for building Mac, iPhone, and iPad applications. Take a tour of the new features in Xcode 4, and see the streamlined workflows for editing, debugging, and versioning in action.

The Foundation framework provides the “nuts and bolts” classes for both iPhone OS and Mac OS programming, and an understanding of the Foundation framework is essential for building great software on the Mac, iPhone, and iPad. Learn about the wide-ranging capabilities of the Foundation framework and discover how to best use features like collections, strings, archiving, notifications, preferences, bundles, and more.

Even the best apps crash sometimes. Diagnosing and fixing your app’s crashes can make the difference between improving it or losing your customers. Learn the skills you need to identify and fix your crashes and avoid common pitfalls.

iOS 4 introduces many enhancements to the Cocoa Touch frameworks — enhancements that accelerate your development and improve your iPhone application’s user experience. Get up to speed with search bar enhancements, input views for your responders, in app SMS, and many more iOS 4 additions.