Useful terms

Before we dig in and start getting our UI set up, we need to take a few minutes to introduce (or re-introduce) you to some terms that you should understand while we build our app:

• View Controller

• Table View Controller

• Collection View Controller

• Navigation Controller

• Tab Bar Controller

• Storyboard

• Segue

• Auto layout

• Model View Controller (MVC)

View Controller

View Controllers (UIViewControllers) are blank scenes that you can use to hold other UI elements. They give you the ability to create a custom interface.

Table View Controller

A Table View Controller (UITableViewController) is one of the most common UI elements and is used to display a list of items. For example, Apple's Settings screen uses Table View Controller to display the list of settings a user can access and change:

Collection View Controller

Collection View Controllers (UICollectionViewControllers) are typically used when you want to display elements within a grid. They are highly customizable and, because of that, are becoming...