Andrews architecture descending into the application layer, the application layer framework, system library layer and the application layer of the Linux kernel
application running on the application layer by the Dalvik virtual machine (register-based java virtual machine, but faster than JVM) on.
Application architecture layer main view, notification manager and activities manager, etc. directly invoked API developer composition (most written by these API java)
runtime layer purpose of the system is to provide support to the application architecture layer (java itself does not access the hardware to help NDK)
Linux kernel layer consists of components related to the process manager and other operating system components
