StretchyHeader

ViewController with ScrollView and stretchy header.

How to use

All required configurations are setted. All you need to do is layout your elements in setContentViewConstraints() function. And don’t forget change imageView.image = UIImage(named: “cat”) to your image.

private func setContentViewConstraints() {
        contentView.addSubview(elem1)
        contentView.addSubview(elem2)
        
        elem1.translatesAutoresizingMaskIntoConstraints = false
        elem2.translatesAutoresizingMaskIntoConstraints = false
        
        NSLayoutConstraint.activate([
            elem1.topAnchor.constraint(equalTo: contentView.topAnchor, constant: 20),
            elem1.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 10),
            elem1.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -10),
            elem1.heightAnchor.constraint(equalToConstant: 300),
            elem1.bottomAnchor.constraint(equalTo: elem2.topAnchor, constant: -35),
            
            elem2.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 10),
            elem2.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -10),
            elem2.heightAnchor.constraint(equalToConstant: 300),
            elem2.bottomAnchor.constraint(equalTo: contentView.bottomAnchor, constant: -20),
        ])
    }

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