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Android Startup: Dalvik and Zygote
Chapter 6 reviewed the process of booting the Linux system. This chapter investigates the startup of Android’s subsystems.
The processes are quite analogous. Figure 2.1 depicted an Android system as a layer cake; each new layer depending on services provided by the underlying layer. The Linux kernel provides a “container,” an environment that abstracts hardware into standard resources and facilities in which programs run.
Similarly, Android is a container. It provides abstract services to applications that run “inside” it. Thinking of the Linux kernel as a container is a useful exercise because Android is a container in exactly the sense usually reserved, for instance, for web servers. Android applications ...
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