调用系统日历编辑界面插入行程:
Intent intent = new Intent(Intent.ACTION_INSERT);
intent.setData(CalendarContract.Events.CONTENT_URI);
调用系统日历界面查看行程详情:
Uri uri = ContentUris.withAppendedId(CalendarContract.Events.CONTENT_URI, eventID);
Intent intent = new Intent(Intent.ACTION_VIEW).setData(uri);