Chapter 4. Designing Layouts

In this chapter we will learn some UI basics, such as how we control the size and position of the widgets in our layouts. We will further come to understand the slightly scary XML code and see new ways we can avoid having to edit the code directly by using the UI designer, by covering the following:

• Looking at the code structure underlying a UI design/layout
• Learning how to position widgets precisely
• Building three really simple UI designs from scratch