Android Application Development All-in-One For Dummies, 2nd Edition

Chapter 5

Conjuring and Embellishing an Android App

In This Chapter

Creating an app with check boxes and other widgets

Making the app do something

Finding bugs in your app (not that there are any, of course)

When I set out to learn something, I follow a “ready, set, go” approach. I don’t “go” right into the detailed technical manuals. Instead, I get ready by examining the simplest example I can find. I work with a Hello World scenario like the one in Chapters 3 and 4 of this minibook. Then (… and here’s where this chapter fits in …) I do some probing and poking; I explore some possibilities; I peek around corners; I try some experiments. These are my initial “ready, set” steps.

When I’m firm on my feet, I do the kind of stuff you do in Books III through VI. I “go.” If you feel confident, “go” directly to Book III. But if you want more “ready, set” material, march on into this chapter.

Dragging, Dropping, and Otherwise Tweaking an App

A general guideline in app development tells you to separate logic from presentation. In less technical terms, the guideline warns against confusing what an app does with how an app looks. The guideline applies to many things in life. For example, ...