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

Setting the Perfect Black Top Bar in iOS: A Guide to UIStatusBarStyle and Navigation Controller Bar Color

iOS 7 UINavigationBar Stops Extending Under Status Bar After a While: A Developer's Guide to Resolving the Issue

Ensuring Consistent Navigation Bar Colors Across Different iOS Devices: A Developer's Guide

Customizing the Background Color of the UINavigationBar in iOS to Appear as a Solid Color Instead of a Gradient.

Understanding UINavigationController Methods for Efficient Navigation in iOS Applications