To get started, look at this annotated diagram of Android Studio, and then we will reacquaint ourselves with the parts we have already seen and look more deeply too, finding out about the parts that we have not discussed yet:
I thought it would be useful to formally point out and name the various parts of the Android Studio user interface so that I can refer to them by name rather than describing their location and showing images all the time. So, let's run through them from number 1:
This is the Project window and will be the focus of much of this chapter. It enables us to explore the folders, code, and resources of the project, and is also referred to as the Project Explorer. Double-click a file here to open the file and add a new tab to area 3 on the diagram. The structure of the files and folders here closely resembles the structure that will eventually end up in the finished APK.