Update ChildViewController from UIPageViewController when embeded in NavigationController swift4

Question

I have a UIPageViewController embeded in a NavigationController I'm adding programically a editButton to the UIPageViewController's navigationItem. I would like to update the child viewController UI when the UIPageviewcontroller set Editing changing state. What is the simpliest way to do this? Thanks a lot.

Answer 1

You can do it with RxSwift

Declare a variable like

`var isEditingEnabled = Variable<Bool>(false)` 

in Page Controller

and in child view controller's viewDidLoad add an observer like

parentVCObj.isEditingEnabled.asObservable().subscribe{

}