Understanding View Controller Animations in iOS: Mastering Custom Animations and Transitions

Understanding Navigation Controllers in iOS: A Deep Dive into Seguing with SWIFT 3

Loading a UICollectionViewController on Clicking a Button in the Navigation Bar

Customizing the Right-Side Buttons on iOS Navigation Bars: A Comprehensive Guide

Understanding iPad Keyboard Behavior in Modal View Controllers: Solutions and Best Practices

How to Resolve the Disappearance of UISegmentedControl in UINavigationBar When UIViewControllers Are Not Constantly Re-Instantiated

Understanding the Fallbacks of Modal View Dismissal in iOS

Adding a UINavigationController to a View in Code: Best Practices for Building Complex User Interfaces in iOS Development

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

Resolving Unbalanced Calls to Begin/End Appearance Transitions in XCode 4 with Storyboard