What does view controller do?

What does view controller do?

A view controller acts as an intermediary between the views it manages and the data of your app. The methods and properties of the UIViewController class let you manage the visual presentation of your app.

What does ViewController swift do?

You use view controllers to manage your UIKit app’s interface. A view controller manages a single root view, which may itself contain any number of subviews. User interactions with that view hierarchy are handled by your view controller, which coordinates with other objects of your app as needed.

What does a view controller do in an app?

Every app has at least one view controller, but most apps have many more. A view controller typically manages a single User Interface (UI) or “screen” in your app. It also manages interactions between the UI and the underlying data, better known as models.

What do you need to know about UIKit view controllers?

UIKit provides several standard view controllers for navigation and managing specific types of content. You define the view controllers containing your app’s custom content. You may also define custom container view controllers to implement new navigation schemes.

Which is Universal Windows platform split view control?

Windows 10 brings a lot of new features in Universal Windows App Platform. One of the new control that is integrated in Visual Studio is Split View control. This control is nothing more than navigation affordance. It gives a whole new experience to navigate between pages, also back buttonservicebenefit.

What is the view property of a controller?

Every view controller has a view property. As you’ll learn in the next section, view controllers are really controllers of the view. This view is a User Interface (UI) of your app. In code, you can access it with the view property of a UIViewController class.

Is the child view controller the only view controller?

The child view controller is the only view controller in charge of managing the views of its view hierarchy. In other words, the container view controller should only access the child view controller’s view. It has no business interacting with other views in the child view controller’s view hierarchy.

What do universal controls and layout panels do?

Universal controls and layout panels help you to optimize your UI for the screen resolution of the device. For example, controls such as buttons and sliders automatically adapt to device screen size and DPI density. Layout panels help adjust the layout of content based on the size of the screen.

How is a navigation controller related to a view controller?

A navigation controller, for example, manages a stack of view controllers. You can push and pop view controllers onto and from a navigation stack. The same is true for a tab bar controller. It manages an ordered list of view controllers accessible through a tab bar at the bottom.

What makes an app a Universal Windows platform?

User Activities allow users to pick up where they left off in your app, even across devices. The Action Center organizes notifications from your app. Background execution and triggers bring your app into action when the user needs it. Your app can use voice and Bluetooth LE devices to help users interact with the world around them.