
Android Programming for Beginners
By :

Q1) So, Android isn't really an operating system. Is it just a virtual machine and all the phones and tablets are really Linux machines?
A) No, all the different subsystems of an Android device, which include Linux, the DVM, and the libraries and drivers together, are what makes up the Android operating system.
Q2) I still don't understand all these technical terms, such as DVM, object-oriented and APK. Should I re-read this chapter?
A) No, this isn't necessary, as we just need to introduce this jargon and will be revisiting it all, as well as clarifying it as the book progresses. If you understand the following two points, you are ready to proceed to Chapter 2, First Contact: Java, XML and the UI Designer: