create a view controller with a full screen scroll view and a stack view filling the scroll view in swift

To create a view controller with a full screen scroll view and a stack view filling the scroll view in Swift, follow these steps:

1. Create a new project in Xcode and select "Single View App" as the template.
2. Open the storyboard and delete the default view controller.
3. Drag a scroll view from the Object Library onto the canvas and constraint it to fill the entire view.
4. Add a vertical stack view to the scroll view by dragging it from the Object Library onto the scroll view.
5. Constrain the stack view to fill the scroll view and set its distribution and alignment to "Fill" and "Fill" respectively.
6. Add as many subviews to the stack view as needed.
7. Add constraints to each subview within the stack view to set its height, width, and any necessary spacing.
8. Create a new subclass of UIViewController and assign it to the view controller on the storyboard.
9. Connect the scroll view and stack view to the view controller's code by creating outlets.
10. In the view controller's viewDidLoad method, set the contentSize property of the scroll view to the height of the stack view.

Here's the code for the view controller:

main.swift
import UIKit

class ViewController: UIViewController {
    
    @IBOutlet weak var scrollView: UIScrollView!
    @IBOutlet weak var stackView: UIStackView!

    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Set stack view properties
        stackView.axis = .vertical
        stackView.distribution = .fill
        stackView.alignment = .fill
        stackView.spacing = 8
        
        // Add subviews to stack view
        // ...
        
        // Calculate height of stack view
        let stackViewHeight = stackView.systemLayoutSizeFitting(UIView.layoutFittingCompressedSize).height
        
        // Set content size of scroll view
        scrollView.contentSize = CGSize(width: view.bounds.width, height: stackViewHeight)
    }
}
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