SessionsManager

public class SessionsManager {
    
    private Context mContext;
    
    @Inject
    SessionsManager(Context context) {
        mContext = context;
    }

    public boolean isInMySchedule() {
        Cursor cursor = mContext.getContentResolver().query(/* ... */);
        try {
            return cursor.getInt(SessionsQuery.IN_MY_SCHEDULE) != 0;
        } finally {
            cursor.close();
        }
    }
    
    public void addSessionCalendar(Uri sessionUri, long start, long end, String room, String title) {
        intent = new Intent(SessionCalendarService.ACTION_ADD_SESSION_CALENDAR, sessionUri);
        intent.putExtra(SessionCalendarService.EXTRA_SESSION_START, start);
        intent.putExtra(SessionCalendarService.EXTRA_SESSION_END, end);
        intent.putExtra(SessionCalendarService.EXTRA_SESSION_ROOM, room);
        intent.putExtra(SessionCalendarService.EXTRA_SESSION_TITLE, title);
        
        mContext.startService(intent);
    }
    
    public void removeSessionCalendar(Uri sessionUri, long start, long end, String room, String title) {
        intent = new Intent(SessionCalendarService.ACTION_REMOVE_SESSION_CALENDAR, sessionUri);
        intent.putExtra(SessionCalendarService.EXTRA_SESSION_START, start);
        intent.putExtra(SessionCalendarService.EXTRA_SESSION_END, end);
        intent.putExtra(SessionCalendarService.EXTRA_SESSION_TITLE, title);
        
        mContext.startService(intent);
    }
}