iOS in Practice

Chapter 4. Accessing the address book/contacts in Dial4

 

This chapter covers

• Master-detail applications
• Table views
• Working with the address book

 

In this chapter, you’ll create an app called Dial4, which will tap into the iPhone’s address book. Although apps aren’t allowed access into all areas of the device (such as a user’s phone number), there are areas in the address book that you can access and even modify. This allows an app to display contact data and even update it based upon a user’s actions. This can be useful for a variety of apps, including those that select a location based upon a contact address or those that dial a contact’s phone number.

As you’ll soon see in this chapter, the iOS SDK provides developers with a direct ...