Chapter 3. Developing Your First App

Finally! In this chapter you will have a chance to develop your first very own Android app with App Inventor. Now that you have fulfilled all the preparation and installation requirements mentioned in the previous chapters and created your first Project “HelloAndroidWorld,” all that effort is ready to pay off. And as you know, you learn best while having fun. For that reason, our first app will be all about laughter. You may remember the “laugh bag”—a popular gag toy of the 1970s that is still around today. This canvas bag contained a little plastic box inside it that would laugh like mad when you pressed on it. The kids in the 1970s had great fun with it, so why should it be any different in our age of the ...

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