Ios 计算出新通知的数量
我有一个通知的NSMutableArray,每次打开视图控制器时,NSMutableArray都会更新,我如何计算有多少新项目通知已添加到NSMutableArrayIos 计算出新通知的数量,ios,objective-c,iphone,notifications,nsmutablearray,Ios,Objective C,Iphone,Notifications,Nsmutablearray,我有一个通知的NSMutableArray,每次打开视图控制器时,NSMutableArray都会更新,我如何计算有多少新项目通知已添加到NSMutableArray NSMutableArray *arrItems; [SharedDelegate.hnController loadDataOfType:GTUserNotifications cateId:self.strUserId curPage:curPage result:^(NSArray *results, GTControll
NSMutableArray *arrItems;
[SharedDelegate.hnController loadDataOfType:GTUserNotifications cateId:self.strUserId curPage:curPage result:^(NSArray *results, GTControllerType type, BOOL success) {
if (!success)
{
[UIView animateWithDuration:0.5
delay:0.0
options:UIViewAnimationOptionLayoutSubviews | UIViewAnimationOptionAllowUserInteraction
animations:^{
[self.vNoNetWork setFrame:CGRectMake(0, 430, 320, 25)];
// animate here...
}
completion:^(BOOL finished){
}];
//[loading stopAnimating];
[refreshControl endRefreshing];
return;
}
[self.activityIndicatorView setHidden:YES];
[[self footerActivityIndicator] stopAnimating];
[arrItems addObjectsFromArray:results];
NSLog(@"ArrayItems: %@", arrItems);
[self.tblView reloadData];
}];
提前感谢您可以拥有两个阵列,一个已更新,一个在更新前包含项目的阵列。然后,您需要检测新项目及其计数。您可以比较2个数组并获得新项目及其计数。打印数组时,按数组返回多少对象?