modal cupon

modal.m

UIViewController *vc = [[UIViewController alloc] init];
    UIView *superview = vc.view;
    
    // Width constraint
    [superview addConstraint:[NSLayoutConstraint constraintWithItem: superview
                                                      attribute:NSLayoutAttributeWidth
                                                      relatedBy:NSLayoutRelationEqual
                                                         toItem:nil
                                                      attribute: NSLayoutAttributeNotAnAttribute
                                                     multiplier:1
                                                       constant:200]];
    
    // Height constraint
    [superview addConstraint:[NSLayoutConstraint constraintWithItem: superview
                                                      attribute:NSLayoutAttributeHeight
                                                      relatedBy:NSLayoutRelationEqual
                                                         toItem:nil
                                                      attribute: NSLayoutAttributeNotAnAttribute
                                                     multiplier:1
                                                       constant:200]];

    MLTitledSingleLineTextField * textField = [[MLTitledSingleLineTextField alloc]init];
    textField.placeholder = @"25OFFV";
    textField.title = @"un título";
    textField.backgroundColor = [UIColor ml_meli_dark_grey];
    
    [superview addSubview:textField];
    
    // Width constraint
    [textField addConstraint:[NSLayoutConstraint constraintWithItem: textField
                                                          attribute:NSLayoutAttributeWidth
                                                          relatedBy:NSLayoutRelationEqual
                                                             toItem:nil
                                                          attribute: NSLayoutAttributeNotAnAttribute
                                                         multiplier:1
                                                           constant:140]];
    
    // Height constraint
    [textField addConstraint:[NSLayoutConstraint constraintWithItem: textField
                                                          attribute:NSLayoutAttributeHeight
                                                          relatedBy:NSLayoutRelationEqual
                                                             toItem:nil
                                                          attribute: NSLayoutAttributeNotAnAttribute
                                                         multiplier:1
                                                           constant:30]];
    
    /* 2. Constraint to position label X*/
    NSLayoutConstraint *textFieldXConstraint = [NSLayoutConstraint
                                                 constraintWithItem: textField attribute:NSLayoutAttributeCenterX
                                                 relatedBy:NSLayoutRelationGreaterThanOrEqual toItem:superview attribute:
                                                 NSLayoutAttributeCenterX multiplier:1.0 constant:60.0f];
    
    /* 3. Constraint to position label Y*/
    NSLayoutConstraint *textFieldYConstraint = [NSLayoutConstraint
                                                 constraintWithItem: textField attribute:NSLayoutAttributeCenterY
                                                 relatedBy:NSLayoutRelationEqual toItem:superview attribute:
                                                 NSLayoutAttributeCenterY multiplier:1.0f constant:0.0f];
    
    /* 4. Add the constraints to button's superview*/
    [superview addConstraints:@[textFieldXConstraint,
                                 textFieldYConstraint]];
    
    void (^actionBlock)(void) = ^{
        NSLog(@"This is a block");
    };
    
    MLModal * modal = [MLModal showModalWithViewController:vc
                                                     title:@"Ingresar Cupón" actionTitle:@"continuar" actionBlock: actionBlock];