title: Add button on navigation bar in tabbed view using swift
body: <p>My app's framework is like there's a navigation controller then after 2-3 view controllers i've added a tab bar controller to show the tabs. So i want to add a button on right of the navigation bar which will be shown in each and every tab. and i want to remove the back button and want to add some other button like "settings". this is my view controller: <a href="https://i.stack.imgur.com/H54fJ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/H54fJ.png" alt="enter image description here"></a></p>