попробуйте открыть календарь на мобильном телефоне ...
int sdk = android.os.Build.VERSION.SDK_INT;
int ICE_CREAM_BUILD_ID = android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH;
if(sdk < ICE_CREAM_BUILD_ID) {
// all SDK below ice cream sandwich
Intent intent = new Intent(Intent.ACTION_EDIT);
intent.setType("vnd.android.cursor.item/event");
intent.putExtra("beginTime", startTime);
intent.putExtra("endTime", endTime);
intent.putExtra("title", title);
intent.putExtra("description", description);
intent.putExtra("eventLocation", location);
intent.putExtra("allDay", isAllDay);
startActivity(intent);
} else {
// ice cream sandwich and above
Intent intent = new Intent(Intent.ACTION_EDIT);
intent.setType("vnd.android.cursor.item/event");
intent.putExtra(CalendarContract.EXTRA_EVENT_BEGIN_TIME, startTime);
intent.putExtra(CalendarContract.EXTRA_EVENT_END_TIME, endTime);
intent.putExtra(Events.TITLE, title);
intent.putExtra(Events.ACCESS_LEVEL, Events.ACCESS_PRIVATE);
intent.putExtra(CalendarContract.EXTRA_EVENT_ALL_DAY , isAllDay);
intent.putExtra(Events.DESCRIPTION, description);
intent.putExtra(Events.EVENT_LOCATION, location);
startActivity(intent);
}