在手动关闭视图之前，如何将数据转发到协议？

Question

I want to dismiss a view controller manually using dismissViewController:animated . The problem is I want to save a value before I dismiss the view, otherwise it becomes null and I get no data in my first view. Does anyone have any idea how to do this?

Answer 1

Yes, you can do it

Here is another stackoverflow link :

dismissModalViewController AND pass data back