#import "EVViewController.h"

#import "NSLayoutConstraint+SimpleFormatLanguage.h"

@interface EVViewController ()

@implementation EVViewController

- (void)viewDidLoad

{

[super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

UIView *redView = [[UIView alloc] initWithFrame:CGRectZero];

redView.backgroundColor = [UIColor redColor];

redView.translatesAutoresizingMaskIntoConstraints = NO;

UIView *blueView = [[UIView alloc] initWithFrame:CGRectZero];

blueView.backgroundColor = [UIColor blueColor];

blueView.translatesAutoresizingMaskIntoConstraints = NO;

[self.view addSubview:redView];

[self.view addSubview:blueView];

UIView *superview = self.view;

[superview addConstraints:

[NSLayoutConstraint

constraintsWithSimpleFormat:

@[ @"redView.width = 100",

@"redView.height = redView.width",

@"redView.left = superview.left",

@"redView.centerY = superview.centerY",

@"blueView.height = 100",

@"blueView.centerY = superview.centerY",

@"blueView.left = redView.right + spacer",

@"blueView.right <= superview.right - 50",

@"blueView.width = 3 * redView.width @ 750" ]

metrics:@{ @"spacer" : @20 }

views:

NSDictionaryOfVariableBindings(redView, blueView, superview)]];

}

- (void)didReceiveMemoryWarning

{

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

@end