Added explicit dependencies for AddTopView and AddBottomView of SwappedViewAdditionViewDidLoad.m

ParameteredMethodForViewDidLoad.m

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    [self reallyImportantMethod];
    [self anotherImportantMethod];
    
    [self addSubviews];
    
    [self validateStaleData];
}

#pragma mark - Setups -

- (void)addSubviews
{
    CGFloat viewWidth = self.view.frame.size.width;
    
    CGFloat topViewYPosition = 64.0f;
    CGFloat topViewHeight = 100.0f;
    
    CGFloat bottomViewYPosition = topViewYPosition + topViewHeight;
    CGFloat bottomViewHeight = 150.0f;
    
    [self addBottomViewAtYPosition:bottomViewYPosition
                         withWidth:viewWidth
                         andHeight:bottomViewHeight];
    
    [self addTopViewAtYPosition:topViewYPosition
                      withWidth:viewWidth
                      andHeight:topViewHeight];
}

- (void)addTopViewAtYPosition:(CGFloat)yPosition
                    withWidth:(CGFloat)topViewWidth
                    andHeight:(CGFloat)topViewHeight
{
    CGRect topViewFrame = CGRectMake(0, yPosition, topViewWidth, topViewHeight);
    
    UIView *topView = [[UIView alloc] initWithFrame:topViewFrame];
    topView.backgroundColor = [UIColor redColor];
    
    UILabel *title = [self titleLabelForTopViewWidth:topViewWidth
                                              height:topViewHeight];
    [topView addSubview:title];
    
    [self.view addSubview:topView];
}

// rest of the code ...

@end