iOS present view controller modally

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. Every app has at least one view controller whose content fills the main window.

A split view controller is a container view that implements a master-detail interface . On the iPad and on bigger iPhones there is more screen estate available, so two view controllers can be displayed side-by-side. In this tutorial some ios apps will be displayed.

If you need to find the view controller that is responsible for a particular view, the easiest thing to do is walk the responder chain . This chain is built into all iOS apps, and lets you walk from one view up to its parent view, its grandparent view, and so on, until it reaches a view controller.

Model–view–controller (MVC) is a software design pattern commonly used for developing user interfaces that divide the related program logic into three interconnected elements .

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.16 Eyl 2015

In iOS Development, a View Controller is responsible for displaying the data of our iOS application on the screen . It acts as an interface between its Views (created by the developer) and the application data. Each ViewController in the Storyboard is assigned a Class that inherits the UIViewController class.

There are two types of view controllers : Content view controllers manage a discrete piece of your app’s content and are the main type of view controller that you create.