iphone的TabBar流行或回主视图问题

Question

1.

When app. launch it's display loading screen. 

2.

After loading screen have another screen that contain 4 button. 

3.

If i select any button that after next screen No.3 contain tabbar controller. 

    So now i want to pop (or back to second)screen. but due to the tabbar controller on 3rd screen i can't go to back on second screen that the problem i faced now. 

Answer 1

你可以把一个工具栏或导航栏顶部在第三个屏幕中放置一个按钮以返回第二个ViewController。
祝你好运。