Unlike some other forms of programming, you don’t start with a single blank screen in Android Studio, but rather lots of files, windows, and ready-written code ... main.xml and MainActivity.java.

Having Java on our computer when we install Android Studio will ... Activity files are written in Java and have the extension “.java,” while layout files use XML and have the “.xml ...

I’ll briefly introduce the Android development platform, then show you how to download, install ... Studio, this means populating your new project with Java source code and resource files.