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VolleyBankOffers uses the Google volley library to show json feed in list view.
This approach can solve many problems like saving states during rotation,no need to implement "network MVC" approach to have a caching mechanism for this app when internet does not work.

Android volley is a networking library. It was introduced by Google to make networking calls much easier, faster without writing tons of code. By default all the volley network calls works asynchronously, so we don’t have to worry about using asynctask anymore.

Volley comes with lot of features. Some of them are

1. Request queuing and prioritization
2. Effective request cache and memory management
3. Extensibility and customization of the library to our needs
4. Cancelling the requests

Volley jar is present in the libs folder of the project.