Synchroniziging Phone Book contacts with online contacts

[nishi winisa]

Hi,
I am developing an application,where I need to synchronise all contacts in the memory of the Android Mobile with the Contacts in various other email account,
Such that ,on a button Click I want to see all my contacts from email accounts viz. Facebook , orkut to be available in my phone memory , all at same place.
Please suggest ways to do this. I am searching , if there are open socuial Apis to retrieve the contacts or profile to my phone memory.

Regards,
Winisa

[Maneesh Godbole]

winisa winisa wrote:

Please check your private messages for an important administrative matter