Adjust height of UITableViewCell to height of UITextView - ios

Question

I got two cells in my UITableView. One is a custom UITableViewCell and the other is a cell with a UITextView inside and called the type TextViewCell.
Because they are static I the cells are loaded in viewDidLoad method from a xib:
textCell = Bundle.main.loadNibNamed(String(describing: TextViewCell.self),
owner: self, options: nil)?.first! as! TextViewCell
ratingCell = Bundle.main.loadNibNamed(String(describing: RatingCell.self),
owner: self, options: nil)?.first! as! RatingCell
Now I try to change the height with the the heightForRowAt delegate:
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
if indexPath.section == 1 {
return textCell.textView.contentSize.height
}
return ratingCell.ratingView.frame.height
}
I disabled scrolling on the UITextView but the cell is not resizing properly. In fact the cells gets smaller.
The constraints of the TextViewCell look like this:
Any suggestions?

Answer 1

I think you need to use self-sizing UITableViewCell. Replace your current implementation of heightForRowAt with the following:
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
return UITableViewAutomaticDimension
}
Now height of cells in your UITableView object will be calculated automatically based on constraints.
Also, add some estimated value for row height:
func tableView(_ tableView: UITableView, estimatedHeightForRowAt indexPath: IndexPath) -> CGFloat {
return 100.0 // You can set any other value, it's up to you
}
Now you will see that the UITextView view fills the whole UITableViewCell cell.

Answer 2

You should get the height of UITextView in heightForRowAt and return this height as cell height. See example below
let lblDescLong = UITextView()
lblDescLong.textAlignment = .left
lblDescLong.text = “your text for text view”
lblDescLong.font = YourFont(size: 12)
let newSize = lblDescLong.sizeThatFits(CGSize(width: widthForTextView, height: CGFloat.greatestFiniteMagnitude))
return newSize.height