Understanding the Issue with uiview not Showing in App Delegate

Creating a Custom Delegate Protocol for UIView Subclass: A Step-by-Step Guide

Loading a View from Interface Builder: A Comprehensive Guide to Separating UI Code from Business Logic

Creating Interactive Interfaces with Dynamic Views: A Guide to Adding Content on Button Click

How to Add a UIView Before UINavigationController in an iOS Application Using a Custom Navigation Flow.

Replacing UIView with its Clone in the View Hierarchy While Preserving Constraints in iOS 8 Storyboard and Auto Layout