Google Maps API and Qt 4 desktop app integration

[udit]

tHIS is more related to google API then Qt 4
Those of you who have used Google API . cOULD U TELL ME how to integrate Google Maps API in a desktop app and not a web app.

On google web site they are offering the API to integrate it as a web app on your site

I want to create a simple address book with location tracing in Google map window as a Central window in the application, but dont know how to go about

please guide me how to go about