5.4. Part 1: Android User Interface

This part, covered in Chapter 6, will focus on developing the first component of the Yamba application: the Status Update screen. Our tasks are building an activity, networking and multithreading, and debugging.

5.4.1. Building an Activity

We are going to start by introducing the Android user interface (UI) model. In its UI, Android is quite different from some other paradigms that you might be familiar with. The unique feature is its dual approach to UI via both Java and XML.