I want to Print all names of all calendars Known to android

i tried this code

function showCalendars(calendars) { for (var i = 0; i < calendars.length; i++) { Ti.API.info(calendars[i].name); } }

Ti.API.info('ALL CALENDARS:');
showCalendars(Ti.Android.Calendar.allCalendars);

but it gives me error:

[ERROR] Failed to find provider info for com.android.calendar appcelerator

I am targeting android 2.2 and titanium sutdio version is:Titanium Studio, build: 2.1.0.201206251749

Please someone help i m stuck here from 2 days. I am using Windows 7 64-bit