SalesForce with Android
===

I am new to sales Force i want consume the sales Force with Android .i have account in SalesForce Free trail account how can i connect through Android program .please send me any samples or material links so that i can start the develop small example apps with sales Force in Android. send sample example program .By using Rest API i lo-gin to SalesForce how can i fetch the data from that and show in Android Listview? is there any simple way to do apps with Android and SalesForce.

Thanks in Advance....