iltercengiz

NSArray *constraints = [NSLayoutConstraint constraintsWithVisualFormat:@"V:|-[redView(==blueView)]-0-[blueView]-|"
                                                               options:0
                                                               metrics:nil
                                                                 views:@{@"redView": redView,
                                                                         @"blueView": blueView}];
[self.view addConstraints:constraints];

iltercengiz

[self.titleLabel sizeToFit];
    
CGFloat titleLabelWidth = CGRectGetWidth(self.titleLabel.frame) + margin * 2; // margin from both sides.
CGFloat imageViewWidth = CGRectGetWidth(self.imageView.frame) + margin * 2; // margin from both sides.
    
CGFloat height = CGRectGetHeight(self.imageView.frame) + CGRectGetHeight(self.titleLabel.frame) + margin * 3; // margin from top and bottom and distance between `imageView` and `titleLabel`.
    
return CGSizeMake(MAX(titleLabelWidth, imageViewWidth), height);