gistfile1.txt

2014-03-03 19:14:21.346 ThreeThings[4782:60b] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Auto Layout still required after executing -layoutSubviews. UITableView's implementation of -layoutSubviews needs to call super.'
*** First throw call stack:
(0x30c16e83 0x3af736c7 0x30c16d55 0x315bf0af 0x3339b413 0x33021943 0x3301d167 0x3301cff9 0x3301ca0d 0x3301c81f 0x3301654d 0x30be1f69 0x30bdf8f7 0x30bdfc43 0x30b4a471 0x30b4a253 0x358842eb 0x333ff845 0x8743d 0x3b46cab7)
libc++abi.dylib: terminating with uncaught exception of type NSException

THTAddThreeThingsTableHeaderView.m

//
//  THTAddThreeThingsTableHeaderView.m
//  ThreeThings
//
//  Created by Juan Felipe Alvarez Saldarriaga on 3/3/14.
//  Copyright (c) 2014 3Things. All rights reserved.
//

#import "THTAddThreeThingsTableHeaderView.h"
#import <RHAddressBook/RHPerson.h>

@interface THTAddThreeThingsTableHeaderView ()

@property (strong, nonatomic) RHPerson *person;

@end

@implementation THTAddThreeThingsTableHeaderView

- (id)initWithPerson:(RHPerson *)aPerson
{
    self = [self initWithFrame:CGRectZero];
    if (self) {
        self.translatesAutoresizingMaskIntoConstraints = NO;
        self.person = aPerson;
    }
    return self;
}

- (id)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        // Initialization code
    }
    return self;
}

/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect
{
    // Drawing code
}
*/

- (void)layoutSubviews
{
    [super layoutSubviews];
}

+ (BOOL)requiresConstraintBasedLayout
{
    return YES;
}

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

#pragma mark - UI

- (void)setupTableViewHeader
{
    RHMultiStringValue *phoneNumbers = [self.person phoneNumbers];
    UIView *lastView;
    
    for (NSString *phone in [phoneNumbers values]) {
        if (!phone || [phone length] <= 0) {
            continue;
        }
        
        UILabel *l = [[UILabel alloc] init];
        l.translatesAutoresizingMaskIntoConstraints = NO;
        l.text = phone;
        l.numberOfLines = 1;
        l.lineBreakMode = NSLineBreakByTruncatingTail;
        
        [self addSubview:l];
        
        if (lastView) {
            NSDictionary *views = @{@"l": l, @"lastView": lastView ?: [NSNull null]};
            NSDictionary *metrics = @{@"margin": @10, @"height": @25};
            NSArray *cons = [NSLayoutConstraint constraintsWithVisualFormat:@"V:[lastView]-margin-[l(==height)]"
                                                                                    options:0
                                                                                    metrics:metrics
                                                                                      views:views];
            [self addConstraints:cons];
        } else {
            NSDictionary *views = @{@"l": l};
            NSDictionary *metrics = @{@"margin": @10, @"height": @25};
            NSArray *cons = [NSLayoutConstraint constraintsWithVisualFormat:@"V:|-margin-[l(==height)]"
                                                                    options:0
                                                                    metrics:metrics
                                                                      views:views];
            [self addConstraints:cons];
        }
        
        lastView = l;
    }
}

@end

THTAddThreeThingsTableViewController.m

- (void)viewDidLoad
{
    [super viewDidLoad];
    
//    self.navigationItem.title = self.person.name;
    self.navigationItem.titleView = [self createNavBarTitleButton];
    self.navigationItem.backBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"" style:UIBarButtonItemStylePlain target:nil action:nil];
    
    self.tableView.backgroundColor = [UIColor colorWithHexString:kTHTHexColorLightGray];
    self.tableView.separatorInset = UIEdgeInsetsZero;
    self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
    
    self.headerView = [[THTAddThreeThingsTableHeaderView alloc] initWithPerson:self.person];
//    [self.headerView setNeedsUpdateConstraints];
    self.tableView.tableHeaderView = self.headerView;
    
    [self setupNavBar];
    [self setupAddThingButton];
}