O'Reilly logo

Hello App Inventor!: Android programming for kids and the rest of us by Paula Beer and Carl Simmons

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 2. Designing the user interface

The chapter 1 apps were simple, but they taught you a lot about how the different parts of App Inventor fit together. In this chapter, you’ll build on this to make apps that look fun and do interesting things using graphics and sound. The basic app you’ll make is called Getting to Know Ewe. Prod the sheep, and it makes a cute “baa!” sound. You’ll then improve the app to make the sheep disappear in fright if you shake the phone—an app called Ewe Scared Her!

People choose to download apps because the apps do something useful, look attractive, and are as easy to use as possible. The “doing something useful” ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required