Can i use gdata for mobile calendar

I want to add, remove, update mobile calendar events. can i use gdata for it. if yes then my code

public void start() {
        try {
            CalendarService calService = new CalendarService("MyCalendarInter");\\ Line no 1
            CalendarFeed resultFeed = calService.getFeed(new URL("content://calendar/calendars"),
                CalendarFeed.class);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

      

        
        
        
      

    

I am using gdata 1.41.1 and google android api level 3

exception on line 1 -

java.lang.VerifyError: com.google.gdata.client.Service

the reason for using gdata is https://stackoverflow.com/questions/2713652/android-problem-deleting-event-in-calender