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为什么日历Evens表中的持续时间列未通过提供者获取值集?Android日历事件持续时间(API)
ContentValues event = new ContentValues();
if(allDay==1) {
long days = (dtend - dtstart + DateUtils.DAY_IN_MILLIS - 1)/DateUtils.DAY_IN_MILLIS;
event.put("duration", "P" + days + "D");
} else {
event.put("duration", "P" + ((dtend-dtstart)/DateUtils.SECOND_IN_MILLIS) + "S");
}
Uri eventsUri =Uri.parse("content://com.android.calendar/events")
cr.insert(eventsUri, event);