gistfile1.m

- (void)updateViewConstraints
{
    [self setupTableViewHeader];
    [super updateViewConstraints];
}

- (void)viewDidLayoutSubviews
{
    [super viewDidLayoutSubviews];
    
//    CGRect frame = CGRectZero;
//    frame.size.width = self.tableView.bounds.size.width;
//    frame.size.height = [self.headerView systemLayoutSizeFittingSize:UILayoutFittingCompressedSize].height;
//    if (self.tableView.tableHeaderView != self.headerView || !CGRectEqualToRect(frame, self.headerView.frame)) {
//        self.headerView.frame = frame;
//        [self.headerView layoutIfNeeded];
//        self.tableView.tableHeaderView = self.headerView;
//    }
    [self.headerView layoutSubviews];
    self.tableView.tableHeaderView = self.headerView;
}

- (void)setupTableViewHeader
{
    RHMultiStringValue *phoneNumbers = [self.person phoneNumbers];
    UIView *lastView;
    CGFloat height = 25;
    NSMutableArray *labels = [NSMutableArray array];
    UIEdgeInsets padding = UIEdgeInsetsMake(10, 10, 10, 10);
    
    for (NSString *phone in [phoneNumbers values]) {
        if (!phone || [phone length] <= 0) {
            continue;
        }
        
        UILabel *l = [[UILabel alloc] init];
        l.text = phone;
        l.numberOfLines = 1;
        l.lineBreakMode = NSLineBreakByTruncatingTail;
        
//        [self.tableView.tableHeaderView addSubview:l];
        [self.headerView addSubview:l];
        
        [l mas_makeConstraints:^(MASConstraintMaker *make) {
            make.top.equalTo(lastView ? [lastView mas_bottom] : @(padding.top));
            make.left.equalTo(@(padding.left));
//            make.width.equalTo(contentView.width);
            make.height.equalTo(@(height));
        }];
        
        [labels addObject:l];
        
//        height += 25;
        lastView = l;
    }
    
//    [self.tableView.tableHeaderView mas_makeConstraints:^(MASConstraintMaker *make) {
    [self.headerView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.height.equalTo(labels);
//        make.height.equalTo(@(height));
    }];
    
//    UIEdgeInsets padding = UIEdgeInsetsMake(10, 10, 10, 10);
    
//    [[phoneNumbers values] enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
//        NSString *p = (NSString *) obj;
//        
//        UILabel *l = [[UILabel alloc] init];
//        l.text = p;
//        l.numberOfLines = 1;
//        l.lineBreakMode = NSLineBreakByTruncatingTail;
//        l.tag = idx;
//        
//        if (0 == idx) {
//            l.tag = 666;
//            
//            [self.tableView.tableHeaderView addSubview:l];
//            
//            [l mas_makeConstraints:^(MASConstraintMaker *make) {
//                make.edges.equalTo(self.tableView.tableHeaderView).with.insets(padding);
//            }];
//        } else {
//            [self.tableView.tableHeaderView addSubview:l];
//            
//            [l mas_makeConstraints:^(MASConstraintMaker *make) {
////                make.edges.equalTo().with.insets(padding);
////                make.top.equalTo
//            }];
//        }
//    }];
}

gistfile2.txt

2014-03-03 12:26:22.191 ThreeThings[4216:60b] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Auto Layout still required after sending -viewDidLayoutSubviews to the view controller. THTAddThreeThingsTableViewController's implementation needs to send -layoutSubviews to the view to invoke auto layout.'