iOS8中指定日期的本地通知

我希望在特定日期在我的应用程序上显示本地通知，例如，我希望通知在一个月的所有1天都显示

我有这个代码，我如何定制它

//LOcal Notification

    NSDate *today = [NSDate new];
    NSCalendar *gregorian =
    [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];

    NSDateComponents *offsetComponents = [NSDateComponents new];
    [offsetComponents setDay:???];
    [offsetComponents setHour:10];
    [offsetComponents setMinute:0];

    NSDate *thedate = [gregorian dateByAddingComponents:offsetComponents
                                                  toDate:today options:0];
    UILocalNotification* localNotification = [[UILocalNotification alloc] init];
    localNotification.fireDate = thedate;
    localNotification.alertBody = @"Hey, il serait temps de faire un point non ? \ue104";
    localNotification.timeZone = [NSTimeZone defaultTimeZone];
    [[UIApplication sharedApplication] scheduleLocalNotification:localNotification];
    //END

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公历上的ios8有太多折旧错误，我如何解决

折旧警告不是错误，您仍然可以使用它。按cmd键并单击NSGregorianCalendar将指导您使用什么，而不是不推荐使用的。Xcode显示：FOUNDATION\u EXPORT NSString*const NSGregorianCalendar NS\u CALENDAR\u Deprecated 10\u 4、10\u 10、2\u 0、8\u 0，改用NSCalendarIdentifierGregorian，好的，但是怎么做呢？在哪里？这两个问题以前都被问过：谢谢你，我怎么能测试它？我想你已经有谷歌了！那就学习吧。

//assuming you want to fire the notifiaction on 1st of every month.
 NSInteger desiredWeekday = 1;// it specifies on which day  of month 
  NSRange weekDateRange = [[NSCalendar currentCalendar] maximumRangeOfUnit:NSWeekdayCalendarUnit];
  NSInteger daysInWeek = weekDateRange.length - weekDateRange.location + 1;

  NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:NSWeekdayCalendarUnit fromDate:[NSDate date]];
  NSInteger currentWeekday = dateComponents.weekday;
  NSInteger differenceDays = (desiredWeekday - currentWeekday + daysInWeek) % daysInWeek;
  NSDateComponents *daysComponents = [[NSDateComponents alloc] init];
  daysComponents.day = differenceDays;
  NSDate *resultDate = [[NSCalendar currentCalendar] dateByAddingComponents:daysComponents toDate:[NSDate date] options:0];


UILocalNotification* localNotification = [[UILocalNotification alloc] init];
    localNotification.fireDate = resultDate; 
    localNotification.alertBody = @"Hey, il serait temps de faire un point non ? \ue104";
    localNotification.timeZone = [NSTimeZone defaultTimeZone];

    localNotification.repeatInterval = NSMonthCalendarUnit;// repeat notifiaction after a month
    [[UIApplication sharedApplication] scheduleLocalNotification:localNotification];