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以前，我曾參與過本地通知，但現在我遇到了問題。假設今天，我必須在我的應用程序的日期前一天設置通知：2012年7月7日。我怎樣才能做到這一點。我設置的通知這樣的..iphone中的本地通知
- (IBAction) scheduleNotification:(id) sender {
AppDelegate *delegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
NSDateFormatter *formatter = [[[NSDateFormatter alloc]init]autorelease];
for (int i = 0; i< [delegate.viewController.contactList count] ; i++) {
UILocalNotification *localNotification = [prototypeNotification copy];
NSString *name = [[delegate.viewController.contactList objectAtIndex:i]objectForKey:NAME_KEY];
NSString *birthday = [[delegate.viewController.contactList objectAtIndex:i]objectForKey:BIRTHDAY_KEY];
if (birthday) {
[formatter setDateFormat:@"MM/dd/yyyy"];
NSDate *date = [formatter dateFromString:birthday];
if (date == nil) {
[formatter setDateFormat:@"MM/dd"];
NSDate *date = [formatter dateFromString:birthday];
}
else {
}
self.alarmTime = [date dateByAddingTimeInterval:10];
localNotification.fireDate = alarmTime;
localNotification.timeZone = [NSTimeZone defaultTimeZone];
localNotification.applicationIconBadgeNumber = 1;
NSString *itemName = @"B'day Alert!!!";
NSString *msgName = [NSString stringWithFormat:@"Celebrate %@'s B'day",name];
NSDictionary *userDict = [NSDictionary dictionaryWithObjectsAndKeys:itemName,MessageKey, msgName,TitleKey, nil];
localNotification.userInfo = userDict;
localNotification.soundName = self.soundName;
// Schedule the notification
[[UIApplication sharedApplication] scheduleLocalNotification:localNotification];
}
else {
// write else part
}
[localNotification release];
}
}
當我遇到NSDate *date = [formatter dateFromString:birthday];這條線，日期不來準確，所以我不能夠正確設置本地通知。如果有任何事情做錯了，請幫助我。