简体   繁体   English

导航控制器的后退按钮是隐藏的,为什么?

[英]navigation controller Back button is hide why?

I am using navigation controller in my project and when I navigate from my table view which is there in root view and if I want to come back to home screen it must show back button by default but it does not show me. 我在项目中使用导航控制器,并且从根视图中的表视图导航时,如果要返回主屏幕,则默认情况下必须显示后退按钮,但不会显示我。 Where is my mistake, is it related IB? 我的错误在哪里,与IB有关吗?

You have to add the back button in the root view controller for whatever nav view you push onto the stack. 您必须在根视图控制器中添加后退按钮,以将其推入堆栈中的所有导航视图。 You do this with code, not in interface builder 您使用代码执行此操作,而不是使用界面生成器

声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.

 
粤ICP备18138465号  © 2020-2024 STACKOOM.COM