Remember: Android Studio is only really your window into Java! Note: Android Studio and the SDK are rather large, so make sure you have some space free on your C: ... Floating Action Button ...

In this tutorial we go through the steps needed to build your first Android app. You will create a simple UI, add some Java code, and then run your app.

Assuming you’re running Android Studio with the editor window for the example app (W2A.java) open, your first step is to set a breakpoint on the public void onCreate(Bundle savedInstanceState) line.