Applications written with networking components are far more dynamic and content-rich than those that are not. Applications leverage the network for a variety of reasons: to deliver fresh and updated content, to enable social networking features of an otherwise standalone application, to offload heavy processing to high-powered servers, and to allow for data storage beyond what the user can achieve on the device.
Deciding how much networking support your application should contain is part of the application design process—something we talk more about in Chapter 18, “The Mobile Software Development Process.”
Those accustomed to Java networking will find the
java.net package familiar. There are also some ...