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Questions tagged [viewcontroller]

viewcontroller is a design pattern which is a hybrid of the view and controller components of the MVC architecture

A viewcontroller responds to events by dispatching calls to a mapping table which matches views and controllers with each event target. It is implemented as an object in many frameworks, including:

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Swift - How to get notified after removeFromSuperview() has been called?

I have two view controllers. The firstVC is being loaded when the app launches, then if a certain button was tapped then secondVC is being called using this code: let popOverVC = UIStoryboard(name: "Main", bundle:…
Marton Zeisler
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MVVM with inheritance between views and viewcontrollers

How can we extend a view with ExtJs MVVM pattern ? What is the correct way to extend a view that has a viewcontroller bound to it ? I have a base view with its viewcontroller, and I would like to extend it, like in this fiddle. The problem is that…
Lorenz Meyer
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How to pop the previous view controller from a navigation stack?

I use the navigation controller to push from view to view, but I don't pop any of the views that I push. So as I load a view I would like to pop the previous one from the stack. Code for pushing views: var identities = [String]() identities = ["A",…
Slavic the Slavic
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IOS: first tap not working just after loading view

I have noted recently that each of my app view has one particular bug/behaviour: if user taps too fast on a UI component when the view appears, the tap is simply ignored. If the user wait a bit before tapping, the tap works. Storyboard is used for…
stephane
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UIPageViewController in Container not displaying other View Controllers

Ok, could someone please help with my Swift code that I'm trying to fix. I have read other question on here similar to mine but to no avail unfortunately. The problem is that I have a UIPageViewController in a Container but when I test it on the…
Gazza732
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Swift 3 - Close current ViewController and Open new ViewController

I've gone through a tad amount of SO posts about this but none of them clearly state how to get this done in Swift 3. Simply put, I need to close the current view that is displayed and open a new view controller. Such that the only view controller…
Jay
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Setting UILabel text from rootViewController

I have two view controllers 1.rootviewController 2.myStatusDisplayViewController. I have c stack call back function which returns a c string.That particular call back function calls a function in my rootviewcontroller. In my rootview controller I…
Jeeva
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Resizing height of formsheet presentation on an iPhone

By using UIAdaptivePresentationControllerDelegate, I was able to get a view controller presented in the style of form sheet. Setting the preferredContentSize can change the width of the vc but not the height, why? screenshot of preferredContentSize…
Panzerfaust Carter
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Calling parent View Controller function from a subview

I have a parent ViewController with two subview controllers. When I load the parent view controller it will display two of the subviews. I can also swipe left or right to slide subviews. I now have a requirement to add a button on subviews. On…
confused human
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ViewController segue and login

I'm new to Swift (and programming in general). I'm having some difficulties in Xcode with the login feature. What I want is that the user should be logged in if no errors was returned and the user should be sent to another controller. I've read some…
Joesoes
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Segue from LaunchScreen to a viewController in Main.Storyboard?

I got some logic I want to do in my LaunchScreen, and if the check is alright, I want to segue to a viewController and if not I want to segue to another, is that possible?
Recusiwe
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Dismissing view controllers

If I switch between several views in my app only by using presentViewController or pushViewController and without using dismissViewController or popViewController, Can I dismiss presented view controllers at a later stage ? Thanks in advance for any…
sreejesh
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How to transfer/display an image from CollectionView to another ViewController

I have looked up many examples and tried to incorporate but have been unsuccessful. In my CollectionView (That has been placed in a ViewController), I'd like to select a cell and push the cell image to another ViewController. The images have been…
Ojay
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how to get a viewcontroller's storyboard id/name

In my app, there are three storyboard. What I'd like to know is how to get a storyboard id/name in a viewcontroller code since UIStoryBoard init func takes first parameter name: String. where it stored and how to access it?
user584819
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Combined View Controller? Or TableViewController with multiple sections?

I am pretty new to iOS application development (primarily a game developer so I use Unity more than anything) ... So I have been searching for this answer in multiple places and perhaps I dont even really know how to properly ask it but I will try…
Trynn Check
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