LOLViewDidLoad.m

- (void)viewDidLoad
{
  [super viewDidLoad];
  _multipeerController = [MultipeerController.alloc init];
  _multipeerController.delegate = self;
  [_multipeerController start];
  _graphManager = [GraphManager.alloc init];
  _graphManager.delegate = self;
  _myPeerID = [MCPeerID.alloc init];
  _selectedPeer = -1;
	// Do any additional setup after loading the view, typically from a nib.

  CGFloat screenWidth = CGRectGetWidth(self.view.bounds);
  CGFloat screenHeight = CGRectGetHeight(self.view.bounds);

  UISegmentedControl *segmentedControl = [[UISegmentedControl alloc] initWithItems:@[@"Conversations", @"Reachable"]];
  [segmentedControl sizeToFit];
  segmentedControl.frame = CGRectMake(screenWidth / 2 - segmentedControl.bounds.size.width / 2, 8, CGRectGetWidth(segmentedControl.bounds), CGRectGetHeight(segmentedControl.bounds));
  segmentedControl.selectedSegmentIndex = 1;
  [segmentedControl addTarget:self
                       action:@selector(tabTapped:)
             forControlEvents:UIControlEventValueChanged];
  UINavigationBar *navBar = [[UINavigationBar alloc] initWithFrame:CGRectMake(0, 0, screenWidth, 64)];
  navBar.items = @[self.navigationItem];
  self.navigationItem.titleView = segmentedControl;
  [self.view addSubview:navBar];

  UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapped)];
  tap.delegate = self;
  [self.view addGestureRecognizer:tap];

  _tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, screenHeight / 2 + 50, screenWidth, screenHeight / 2 - 50)];
  [_tableView registerClass:UITableViewCell.class forCellReuseIdentifier:@"cell"];
  _tableView.delegate = self;
  _tableView.dataSource = self;
  [self.view addSubview:_tableView];
  
  _composerTextField = [[UITextField alloc] initWithFrame:CGRectMake(10, screenHeight / 2, screenWidth - 60, 50)];
  _composerTextField.placeholder = @"Type a message...";
  _composerTextField.delegate = self;
  [self.view addSubview:_composerTextField];
  
  _composerSendButton = [UIButton buttonWithType:UIButtonTypeCustom];
  [_composerSendButton setTitle:@"Send" forState:UIControlStateNormal];
  _composerSendButton.backgroundColor = [UIColor blueColor];
  _composerSendButton.titleLabel.textColor = [UIColor whiteColor];
  _composerSendButton.titleLabel.textAlignment = NSTextAlignmentCenter;
  _composerSendButton.frame = CGRectMake(screenWidth - 50, screenHeight /2, 50, 50);
  [_composerSendButton addTarget:self action:@selector(sendBtnPressed) forControlEvents:UIControlEventTouchUpInside];
  [self.view addSubview:_composerSendButton];

//  _restartMultipeerButton = [UIButton buttonWithType:UIButtonTypeSystem];
//  [_restartMultipeerButton setTitle:@"Restart Multipeer" forState:UIControlStateNormal];
//  [_restartMultipeerButton sizeToFit];
//  CGSize size = _restartMultipeerButton.bounds.size;
//  _restartMultipeerButton.frame = CGRectMake(screenWidth / 2 - size.width / 2, 10, size.width, size.height);
//  [_restartMultipeerButton addTarget:self action:@selector(restartMultipeerButtonPressed) forControlEvents:UIControlEventTouchUpInside];
//  [self.view addSubview:_restartMultipeerButton];

  _nameTextField = [UITextField new];
  _nameTextField.placeholder = @"Name";
  _nameTextField.delegate = self;
  _nameTextField.frame = CGRectMake(screenWidth / 2 - 100, 70, 200, 20);
  [self.view addSubview:_nameTextField];

  _nameResetButton = [UIButton buttonWithType:UIButtonTypeSystem];
  [_nameResetButton setTitle:@"Set Name" forState:UIControlStateNormal];
  [_nameResetButton sizeToFit];
  CGSize size = _nameResetButton.bounds.size;
  _nameResetButton.frame = CGRectMake(screenWidth / 2 - size.width / 2, 100, size.width, size.height);
  [_nameResetButton addTarget:self action:@selector(nameResetButtonPressed) forControlEvents:UIControlEventTouchUpInside];
  [self.view addSubview:_nameResetButton];
}