Centered UIView by AutoLayout

ViewController.m

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    

    UIView *view = [[UIView alloc] init];
    view.backgroundColor = [UIColor whiteColor];
    [self.view addSubview:view];
    
    UIView *superView = view.superview;
    superView.backgroundColor = [UIColor redColor];
    
    view.translatesAutoresizingMaskIntoConstraints = NO;
    NSDictionary *variables = NSDictionaryOfVariableBindings(view, superView);
    
    [superView addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:[superView]-(<=1)-[view(178)]"
                                                                      options: NSLayoutFormatAlignAllCenterX
                                                                      metrics:nil
                                                                        views:variables]];
    
    [superView addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:[superView]-(<=1)-[view(256)]"
                                                                      options: NSLayoutFormatAlignAllCenterY
                                                                      metrics:nil
                                                                        views:variables]];
}


@end