Add subtitle under the title in navigation bar controller in Xcode

Add subtitle under the title in navigation bar controller in Xcode

How to add a bar button to a navigation bar – free Swift 4 example code and tips

How to add a bar button to a navigation bar – free Swift 4 example code and tips

calculating height of UITabBar

calculating height of UITabBar

How to customize navigation bar title font and size in UINavigationBar?