我正在向 IOS 日历添加事件数组。因为它必须点击按钮。通过这样做,所有事件都会一次又一次地添加。所以我使用 NSPredicate 来获取所有事件并进行验证,例如以下
NSDate *edate=[formatter dateFromString:startDateString];
NSDate *fdate=[formatter dateFromString:endDateString];
NSLog(@"Start Date is %@",edate);
NSLog(@"End Date is %@",fdate);
event1.startDate =edate;
event1.endDate=fdate;
NSArray *caleandarsArray = [[NSArray alloc] init];
caleandarsArray = [eventStore calendars] ;
NSPredicate *predicateForEvents = [eventStore predicateForEventsWithStartDate:edate endDate:fdate calendars:caleandarsArray]; // nil will search through all calendars
NSArray *eventsOnDate = [eventStore eventsMatchingPredicate:predicateForEvents];
NSLog(@"Events on holday date is %@",eventsOnDate);
BOOL eventExists = NO;
for (EKEvent *eventToCheck in eventsOnDate)
{
NSLog(@" eventToCheck title is %@",eventToCheck.title);
NSLog(@" myTripsArray title is %@",[myTripsArray objectAtIndex:i]);
if ([eventToCheck.title isEqualToString:[myTripsArray objectAtIndex:i]])
{
eventExists = YES;
NSLog(@"Event already existed");
}
}
if (eventExists == NO)
{
[event1 setTimeZone:[NSTimeZone systemTimeZone]];
[event1 setCalendar:[eventStore defaultCalendarForNewEvents]];
NSError *err;
if(err)
{
NSLog(@"Error occured");
}
else
{
NSLog(@"Error not occured");
}
[eventStore saveEvent:event1 span:EKSpanThisEvent error:&err];
}
}
通过上面的代码,我只得到生日事件而不是任何其他存在的事件。如何从日历中获取所有事件。
请帮助我哪里出错了。