GMSAutocompleteViewController iOS，如何更改searchBar中的文本颜色

问题描述

我使用的是GMSAutocompleteViewController，想更改searchBar中的textColor，但找不到解决方法，我设法更改了一些颜色，但没有更改searchBar文本.

I'm using a GMSAutocompleteViewController and want to change the textColor in the searchBar but can't find a way to do it, I managed to change the some colors but not the searchBar text.

我尝试了以下代码，但是颜色不会改变:

I've tried following code but the color won't change:

        acController.searchBarController?.searchBar.tintColor = UIColor.whiteColor()
        acController.searchBarController?.searchBar.textColor = UIColor.whiteColor()

        acController.searchBarController?.searchBar.textField.textColor = UIColor.whiteColor()
        acController.searchBarController?.searchBar.textField.tintColor = UIColor.whiteColor()
        acController.searchBarController?.searchBar.textField.backgroundColor = UIColor.whiteColor()

        acController.searchDisplayController?.searchBar.setTextColor(UIColor.whiteColor())
        acController.searchDisplayController?.searchBar.tintColor = UIColor.whiteColor()

        // changes the color of the sugested places
        acController.primaryTextColor = UIColor.whiteColor()
        acController.secondaryTextColor = UIColor.whiteColor()

推荐答案

对于正在寻找 Swift4 版本的用户，以下代码在Swift 4(Xcode 9.4和iOS 11)中为我工作了

For those who are looking for Swift4 version, following code worked for me in Swift 4 (Xcode 9.4 & iOS 11)

UITextField.appearance(whenContainedInInstancesOf: [UISearchBar.self]).defaultTextAttributes = [NSAttributedStringKey.foregroundColor.rawValue: UIColor.white]

对于 Swift 5

UITextField.appearance(whenContainedInInstancesOf: [UISearchBar.self]).defaultTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]

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