About Xcode

 About Xcode 4.2 Developer tools for Mac OS X 10.6 Snow Leopard and iOS 5 Contents Introduction About SDKs Installation Deprecation Notice Introduction Xcode is the complete developer toolset for creating applications for Mac, iPhone, and iPad. This package installs the Xcode IDE, the Instruments analysis tool, iOS Simulator, and OS framework bundles in the form of Mac OS X SDKs and iOS SDKs. What’s New in Xcode 4.2 for Snow Leopard • Support for Mac OS X 10.6 Snow Leopard and iOS SDK 5 • Apple LLVM compiler 3.0 with Automatic Reference Counting (ARC) for iOS • Storyboarding support in Interface Builder to design multi-view workflows for iOS • OpenGL ES graphical debugger within the main Xcode debugging interface • Apple LLVM compiler support for C++’0x language features • Additional bug fixes, stability, and performance improvements What’s New in Xcode 4 • Xcode 4 has a brand new, single window interface for all major workflows • Interface Builder is now integrated within the main Xcode IDE • Assistant shows a paired editor with complementary files, e.g.: header or UI controller • Live Issues display coding errors as you type, and Fix-it can correct the mistake for you Compatibility: Xcode 4 requires an Intel-based Mac running Mac OS X Snow Leopard version 10.6.7 or later, and includes Mac OS X SDK 10.6, and iOS SDK 5. To develop apps targeting prior versions of Mac OS X or iOS, see the section titled About SDKs and the iOS Simulator below. Developer Resources: The Mac and iOS Developer Programs provide access to the App Store, additional support and documentation, as well as provisioning resources to enable testing and deployment on an iPhone, iPod touch, or iPad device. For more information visit: for iOS:! http://developer.apple.com/programs/ios/ for Mac: ! http://developer.apple.com/programs/mac/ For discussions about any Apple developer software, including pre-release products, please visit the Apple Developer Forums, at: http://devforums.apple.com/ Top new features in Xcode 4 • Xcode 4 has a brand new, single window interface for all major workflows • Interface Builder is now integrated within the main Xcode IDE • Assistant shows a paired editor with complementary files, e.g.: header or UI controller • Version editor shows a live comparison through SCM history, using Git or Subversion • Live Issues display coding errors as you type, and Fix-it can correct the mistake for you • Tabs save a unique screen layout for each task, e.g. debugging, editing, designing • LLVM compiler 2.0 includes full support for C, Objective-C, and now C++ • LLDB debugger is faster, and uses less memory than the GDB debugging engine • Instruments adds System Trace, and new iOS instruments including OpenGL ES Feature overview • Xcode 4 uses a completely new, single window interface for organizing your…