Android process model
Android is a multiuser, multitasking system that can run multiple applications in parallel, where all the applications attempt to acquire CPU time to execute its job.
Each application runs independently on an isolated Linux process cloned from the Zygote process, and by default, all the Android components run within the same process with the same name as the application package specified in Android Application Manifest (AAM).
The Linux kernel will fairly allocate small amounts of CPU time for application execution called CPU time slices. This time-slicing approach means that even a single-processor device can appear to be actively working in more than one application at the same time, when in fact, each application is taking ...
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