Seamlessly Integrating UIView Animation Blocks with OpenGL ES Rendering in iOS Projects

Using Class Methods as Action Selectors for UIBarButtonItem: A Guide to Understanding Instance vs. Class Methods and Action Selectors

Understanding the Nuances of UIApplication's handleOpenURL 'Return' in iOS Development

Understanding the Performance and Challenges of Core Text on iOS for Building Efficient Text-Based Applications

Understanding the Issue with IBOutlets nil and View Not Loading after presentingModalViewController:animated:

iOS 5.1.1 GameKit Helper Class Issues and Workarounds for Cocos2D-2.0-GLES20

Understanding Shadow Rendering Pipeline in iOS for Complex Layouts

How to Pause and Resume Animations in iOS Using Core Animation

To add a constant value in both portrait and landscape orientations, you can use the following code: