Show title to NavigationBar by Coding
Japanese here
Standard Way
Set title property in NavigationItem of NavigationController
self.navigationItem.title = "title"
Popular Failure
self.navigationController.title = "title"
Rapid Way
Set title property of UIViewController
self.title = "title"
Demerit
In UIViewController, self.title is read by lots of places.
For example, tabBarItem may be overwritten by self.title.
In other words, some bad effect may be happened.
