Android platform architecture

The following figure shows the architecture of the android system downloaded on the google Website:

Virtual Machine.

The android core library provides a vast majority of functions available in the java core library;

The Virtual Machine is responsible for running android applications.

4. Application Framework:

The android Application Framework provides a large number of APIS for developers, which is also an effective method for software reuse.

5. Application Layer:

The android system will include a series of core applications, which are all written in java, which is our main concern.