iPhone in Action

Chapter 14. Monitoring events and actions

This chapter covers

The SDK’s event modeling How events and actions differ Creating simple event- and action-driven apps

In the previous chapter you learned how to create the basic view controllers that fulfill the controller role of an MVC architectural model. You’re now ready to start accepting user input, since you can now send users off to the correct object. Users can interact with your program in two ways: by using the low-level event model or by using event-driven actions. In this chapter, you’ll learn the difference between the two types of interactions. Then we’ll look at notifications, a third way that your program can learn about user actions.

Of these three models, it’s the events ...