Dynamic Height for a Uitableview Based on a Dynamic Collection View

Non-Scrolling UICollectionView inside UITableViewCell Dynamic Height

You need to bind your collectionView delegate/datasource with TableViewCell and need to use below func in tableViewcell. Make sure to turn off the CollectionView Scrolling.

override func systemLayoutSizeFitting(_ targetSize: CGSize, withHorizontalFittingPriority horizontalFittingPriority: UILayoutPriority, verticalFittingPriority: UILayoutPriority) -> CGSize {

    self.layoutIfNeeded()
    let contentSize = self.cvSubcategory.collectionViewLayout.collectionViewContentSize
    if self.cvSubcategory.numberOfItems(inSection: 0) < 4 {
        return CGSize(width: contentSize.width, height: 120) // Static height if colview is not fitted properly.
    }

    return CGSize(width: contentSize.width, height: contentSize.height + 20) // 20 is the margin of the collectinview with top and bottom
}

Your project sample solution : https://github.com/thedahiyaboy/DynamicCollectionApp

For future purpose you can take ref from this post : Dynamic CollectionViewCell In TableViewCell Swift

How to use dynamic height of UITableViewCell in auto-layout and move other views to up when bottom view is hidden?

At first, make the height of UITableViewCell to UITableView.automaticDimension

func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
    return UITableView.automaticDimension
}

Embed all of your questionLabels in a UIStackView (vertical) excluding bottomLabel. Set AutoLayoutConstraint between UIStackView and bottomLabel.

Set the numberOfLines property of UILabels to 0(zero).

Set the Distribution of the UIStackView as Fill

Then, in your tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell method hide the labels. And it will automatically handle the spaces between UILabels

func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {

    let cell = tableView.dequeueReusableCell(withIdentifier: "MyCell", for: indexPath) as! MyCell

    cell.questionLabel1.text = labelOneText[indexPath.row]
    cell.questionLabel2.text = labelTwoText[indexPath.row]
    cell.questionLabel3.text = labelThreeText[indexPath.row]

    if labelOneText[indexPath.row] == "" {
        cell.questionLabel1.isHidden = true
    }

    if labelTwoText[indexPath.row] == "" {
        cell.questionLabel2.isHidden = true
    }

    if labelThreeText[indexPath.row] == "" {
        cell.questionLabel3.isHidden = true
    }

    return cell
}

Final Output:

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