Android How to Program, 3/e

2.4 Android Studio Window

When you finish creating the project, the IDE opens both MainActivity.java and activity_main.xml. Close MainActivity.java so that the IDE appears as shown in Fig. 2.8. The IDE shows the layout editor, so you can begin designing your app’s GUI. In this chapter, we discuss only the IDE features we need to build the Welcome app. We’ll introduce more IDE features throughout the book.

Fig. 2.8 Welcome project open in the Android Studio

Figure 2.8 Full Alternative Text

2.4.1 Project Window

The Project window provides access to all of the project’s files. You can have many projects open in the IDE at once—each in its own window. ...