This course covers techniques for extending the functionality of the Android platform via the Android NDK and Android IDL APIs.

It explores techniques for accessing the underlying hardware and services available on an Android platform and also covers the building of custom platform images.

Client/server applications can be written utilizing both the java.net and java.rmi packages. Security is also covered in detail throughout several chapters including security policies and data encryption. XML parsing is done using the JAXP API. Programmers can use C and C++ functions from their Java programs using JNI. The course ends with several chapters on design patterns and how they can be put to best use in different types of Java applications.