UISearchBar search text color , background color swift 3



let textFieldInsideSearchBar = yourSearchbar.value(forKey: "searchField") as? UITextField

textFieldInsideSearchBar?.textColor = yourcolor

 
for subView in searchController.searchBar.subviews {

    for subViewOne in subView.subviews {

        if let textField = subViewOne as? UITextField {

           subViewOne.backgroundColor = UIColor.red

           //use the code below if you want to change the color of placeholder
           let textFieldInsideUISearchBarLabel = textField.value(forKey: "placeholderLabel") as? UILabel
                textFieldInsideUISearchBarLabel?.textColor = UIColor.blue
        }
     }
}


Swift 2.3

extension UISearchBar {

 var textColor:UIColor? {
     get {
         if let textField = self.valueForKey("searchField") as? UITextField  {
             return textField.textColor
         } else {
             return nil
         }
     }

     set (newValue) {
         if let textField = self.valueForKey("searchField") as? UITextField  {
             textField.textColor = newValue
         }
     }
 }
} 

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