Android Studio for beginners: Programming – Macworld

We wrote earlier about the installation and configuration of Android studio and today we look at how a (simple) app puts together

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You’ll code your first app. The animated mobile app Consists of a single activity, All which presents Google’s Android robot character and a button for animating the character. Clicking the button causes the character to Gradually change color from green to red to blue, then back to green. While the app is not especially useful, writing it will help you get comfortable with using Android Studio.

Download the Java source for this tutorial’s example application. Created by Jeff Friesen for Java World. And download the example application.

I Introduced the Android Studio project workspace at the end of the previous article. The project includes the workspace project editor-which is where you’ll write the code and Specify resources for mobile apps in Android Studio. The project editor is shown in Figure 1.

You’ll use the tabs to navigate between Java source files, XML resource files, and other files. You can add a tab for a project file by double-clicking the file’s name in the project window

As shown in Figure 1, you Currently shouldhave two tabs in your project editor:. W2A.javast (the skeletal Java source code for the app’s main activity) and main.xml (the default XML-based layout for the app’s main activity). W2A.java is the current open tab.