如何在Xamarin IOS Native上更改后退按钮的标题

Question

Iam new in xamarin IOS native , I want to change the back bar item name .

I tried this NavigationItem.BackBarButtonItem.Title = "Promotions"; on ViewDidLoad();, but i got an exception.

Answer 1

If you want to modify current viewController's back item's name, you should set it in the previous viewController. Customize a new UIBarButtonItem in the past viewController:

NavigationItem.BackBarButtonItem = new UIBarButtonItem("Promotions", UIBarButtonItemStyle.Plain, null);