Cannot Change Search Bar Background Color

UISearchBarSearchField BackgroundView color

After a lot more search I found the correct answer that is working for me.

if #available(iOS 11.0, *) {
        if let textfield = search.searchBar.value(forKey: "searchField") as? UITextField {
            textfield.textColor = UIColor.blue

            if let backgroundview = textfield.subviews.first {
                backgroundview.backgroundColor = UIColor.white
                backgroundview.layer.cornerRadius = 10;
                backgroundview.clipsToBounds = true;
            }
        }

  }

How to change color of Search Bar?

Try:

self.mySearchBar.barTintColor = [UIColor redColor];

How to change background color of the text field in the UISearchController?

Here is a an example on how to set the textField background.

class ViewController: UIViewController {

    let searchController = UISearchController(searchResultsController: nil)

    private lazy var searchTextField: UITextField? = { [unowned self] in
        var textField: UITextField?
        self.searchController.searchBar.subviews.forEach({ view in
            view.subviews.forEach({ view in
                if let view  = view as? UITextField {
                    textField = view
                }
            })
        })
        return textField
    }()

    override func viewDidLoad() {
        super.viewDidLoad()

        searchController.obscuresBackgroundDuringPresentation = false
        searchController.searchBar.placeholder = "Search Candies"
        navigationItem.searchController = searchController
        definesPresentationContext = true

        if let bg = self.searchTextField?.subviews.first {
            bg.backgroundColor = .green
            bg.layer.cornerRadius = 10
            bg.clipsToBounds = true
        }
    }
}

Result

IOS UISearchBar Background Color In iOS 9

Swift 3

To remove the background altogether, set backgroundImage to an empty image:

searchBar.backgroundImage = UIImage()

To set a custom background color, use barTintcolor property:

searchBar.barTintColor = .green

Changing the background color in a search bar

You can do something like this:

instantsearch.widgets.searchBox({
  // ...
  cssClasses: {
    input: 'bg-black',
  },
});

And then in your CSS file:

.bg-black {
  background-color: black;
}

You're essentially asking InstantSearch to add an additional class called bg-black to the HTML input element it renders. Then in your CSS, you're targeting that CSS selector and adding styles to it.

More docs here: https://www.algolia.com/doc/api-reference/widgets/search-box/js/#widget-param-cssclasses

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