Xcode 4.5 Changes

September 20th, 2012

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Xcode 4.5 is now available at the Mac App Store. This post provides a brief explanation of the changes I noticed in Xcode 4.5 that affect the material in the book. Most of the changes in Xcode 4.5 apply to iOS projects. Auto Layout Xcode 4.5 adds support for auto layout to iOS applications. New […]


Xcode 4: Changing a Project’s Class Prefix

September 13th, 2012

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When you create a Cocoa or iOS application project, the New Project Assistant has a Class Prefix text field that lets you assign a prefix to class files you create. An example of a prefix is the NS prefix in Cocoa classes. But there are situations where you may need to change the prefix. You […]


Xcode 4.4: Editing 3D Scenes

September 6th, 2012

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One of the new features in Xcode 4.4 involves viewing and editing 3D scenes in Xcode. This feature didn’t fit into any of the book’s chapters so I’m providing an introduction to Xcode’s scene editor here. You must be running Mac OS X 10.8 or later to edit scenes. Mac OS X 10.7 users can […]


Xcode 4: Generating Code Coverage Files with LLVM

August 24th, 2012

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With Apple transitioning from GCC to LLVM, one thing that was lost was support for code coverage, which measures how much of your code executed when running. But I discovered in a thread on Apple paid developer forums that LLVM now has code coverage support. Setting up Xcode to generate code coverage files is easier […]


Xcode 4.4 Changes

July 30th, 2012

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Xcode 4.4 is now out for Mac OS X 10.7 and 10.8. It’s going to take some time for me to update the Xcode book for Xcode 4.4 so I’m writing this post.┬áThis post provides a brief explanation of the changes I noticed in Xcode 4.4 that affect the material in the book. You can […]