3
Getting Started
This chapter is an overview that provides context for the rest of the book. It will present three different, high-level views of the Android system. It is divided into two parts, a conceptual section followed by a practical section.
The conceptual half of the chapter explores Android, metaphorically, from the side. This section models Android as a geologist might, as a stack of strata. Each layer in the model has its own significance, and each supports the layer above it. The exploration will reveal most of the major components of the Android system as well as several key architectural structures.
The second half of the chapter—the practical half—explores the AOSP source. It addresses acquiring the code, its organization, its ...
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