title: Set parts of text to different alpha values
body: <p>I'm writing an app that shows a list of items in a table view. You can tap each item in the table view to get a popup (via a standard <code>UIAlertController</code>) to get more information about that item.</p>
  
  <p>One thing I'd like to include is ratings on a couple of different scales — so for example, if the rating is 3/5 cars, it would say Car Rating: . But I feel it would be better if the user knew this was a rating out of 5, which I could accomplish by adding two more "grayed-out" car emojis (i.e., alpha = 0.3), similar to the way Amazon would show 4 filled stars and 1 empty star for an item with a 4-star rating out of 5.</p>
  
  <p>Then the question is: is there any way to set the alpha value of some of the text in the alert to 0.3 while the rest is 1 (I've done my research and can't find anything, so it looks like no)? If not, any recommended workarounds? Thanks!</p>