AutoLayout row height miscalculating for NSAttributedString

Question

My app pulls HTML from an API, converts it into a NSAttributedString (in order to allow for tappable links) and writes it to a row in an AutoLayout table. Trouble i

Answer 1

I'm assuming you are using a UILabel to display the string?

If you are, I have had countless issues with multiline labels with autoLayout. I provided an answer here

Table View Cell AutoLayout in iOS8

which also references another answer of mine that has a breakdown of how i've solved all my issues. Similar issues have cropped up again in iOS 8 that require a similar fix in a different area.

All comes down to the idea of setting the UILabel's preferredMaxLayoutWidth every time is bounds change. What also helped is setting the cells width to be the width of the tableview before running:

CGSize size = [cell.contentView systemLayoutSizeFittingSize:UILayoutFittingCompressedSize];