Sample Android project to list meta data related with music albums

Change log

1. New logic to fetch data asynchronously.
2. Lazy list logic implementation, data will be fetched on demand, saving user bandwidth.
3. Observer pattern design implementation.
4. New APIS for downloading image asynchronously.
5. File and Memory cache implementation for smooth scroll,quick loading of images, and storing recent images saving effort from re downloading.
6. UI changes, for displaying current context to user.
7. Opening of drawer upon clicking home in action bar.
8. Switching of data upon selection.
9. Reusing views in adapter, in place of inflating new one each time

Please read the commnets which i have placed for all the news classes and APIS created by me, that will give further explanation of there usage and needs.

Thanks. Manish