How to Programmatically Create a UIViewController in a Project with a Storyboard in iOS Development

Understanding View Flip Animations in iOS: How to Fix the "Flip" Animation Issue When Tapping on Multiple Views

Creating a Single View Controller with Dynamic Timer Updates in iOS: A Decoupled Approach

Understanding the showInView Method for Custom UIViews to Avoid Memory Leaks in Objective-C Programming

Mastering Auto Layout in iOS: Solved! Using setNeedsLayout and layoutIfNeeded

Switching Between View Controllers Without Using Segues

Managing View Controllers and Subviews: A Guide to Child View Controllers as Subviews in iOS Development

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

Maintaining the Persistent State of MPMoviePlayerViewController in iOS Applications

Based on the provided code snippet, I will write a complete example of how to use `UIViewControllers` and a `UISplitView` together with presenting modal view controllers.