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Trying to set background color of UISearchController in Swift 5

I am trying to set the background color of a UISearchController in Swift 5.

I have tried methods mentioned in other threads but I believe they are outdated.

    searchController.barTintColor = UIColor.redColor()

Error Message: Value of type 'UISearchController' has no member 'barTintColor'

Solution 
  •     searchController.searchBar.barTintColor = UIColor.red
    searchController.searchBar.searchBarStyle = .default

    i.e
    if your searchBarStyle is .minimal, you won’t be able to change the barTintColor. It will remain white.