FAQ

  1. So is Android not really an operating system, but just a virtual machine? And are all phones and tablets really Linux machines?

    No, all the different subsystems of an Android device, which includes Linux, the DVM, and the libraries and drivers together, are what make up the Android operating system.

  2. I still don't understand all of these technical terms, such as DVM, object-oriented, APK, and so on. Should I reread this chapter?

    No, that isn't necessary, as we just need to introduce this jargon, and we will be revisiting them all as well as clarifying them as the book progresses. You just need to understand the following:

    • We will be writing Java code and creating other resources
    • Android Studio, with the help of the JDK, will turn this code and these ...

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