And that’s a wrap on Tiptacular. In this chapter, you not only learned how to incorporate text fields into an application, you learned about protocols and how delegation works. You also figured out how to customize the keyboard in Interface Builder and how to get rid of the keyboard when the return key is pressed. These are no small feats! You will find your understanding of delegation especially comes in handy as you use it time and again in the chapters to come.
Next chapter, you learn how to use basic collections, like NSArray and NSDictionary. You will also see how these collections are used to create an application that uses a picker view.
The Least You Need to Know
• A protocol consists of a set of method signatures ...