In this article, I'll talk about some of the ideas on which high-level parts of Android are built, about several of its predecessors and about the basic mechanisms of security.
In this article, I'll talk about the components that make up applications for Android, and about the ideas behind this architecture.
How Android works, part 1
How Android works, Part 3
In this series of articles, I'll talk about the internal Android device - about the boot process, about the contents of the file system, about Binder and Android Runtime, about what they consist of, how the applications are installed, running, interacting with each other, about the Android Framework, and on how Android provides security.