IOS - Tab Bar Controller and Navigation Controller

Question

My storyboard structure is like this. I have problem when scene moves to my subviewcontrollers. Tab Bar disappears when scene moves to ViewController1a/2a/2b.

How can I create a permanent Tab Bar?

                      `NavController` --> `ViewController1` --> 'ViewController1a'
`TabBarController`--> `NavController` --> `ViewController2` --> 'ViewController2a'
                      `NavController` --> `ViewController3` --> 'ViewController2a'

Answer 1

self.tabBarController.tabBar.hidden = NO

Answer 2

也许这可以解决您的问题：

self.hidesBottomBarWhenPushed = NO;