The 3 primary ways of running an operation in the background in Android is using Threads, Handlers and Services. Though Threads and Handlers are primitive and involve boilerplate code, a more sophisticated way to manage background processing such as loading of images, performing complex computations, downloading Network data is with the help of an AsyncTask, This course covers the following items

1. Processes in android, their architecture, operation
2. Threads in android and why you can't use them
3. Handlers and how they are superior to threads
4. AsyncTask and how its clean and modular
5. Handling AsyncTask lifecycle based on activity or fragment destruction
6. XML Parsing APIs
7. DOM API and a BlogReader app based on this API