UIAlertView、UIActionSheet兼容iOS8

//title置为@""兼容iOS8
    UIAlertView *delAlert = [[[UIAlertView alloc] initWithTitle:@"" message:@"删除联系人？" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确认", nil] autorelease];
    [delAlert show];

3、UIActionSheet

UIActionSheet *actionSheet = [[[UIActionSheet alloc] initWithTitle:nil
                                                              delegate:self
                                                     cancelButtonTitle:NSLocalizedString(@"Cancel", nil)
                                                destructiveButtonTitle:[NSString stringWithFormat:NSLocalizedString(@"call", nil),self.phoneNumber]
                                                     otherButtonTitles:NSLocalizedString(@"add to contact", nil),nil]
                                  autorelease];
    actionSheet.tag = 1;
    [actionSheet showInView:self.view];