如何更改搜索栏的范围颜色？

Question

Swift 3，我试图将搜索栏的文字颜色从蓝色改为黑色。例如“取消”和范围栏蓝色文本和边框颜色是蓝色的，我想黑色。

这就是我所拥有的。

而且我想这条线，但我不知道够不够，这行不工作，你可以看到。

searchController.searchBar.setScopeBarButtonTitleTextAttributes([NSBackgroundColorAttributeName: UIColor.black], for: UIControlState.normal) 

viewDidLoad中

// Search Bar 
searchController.searchResultsUpdater = self 
searchController.dimsBackgroundDuringPresentation = false 
definesPresentationContext = true 
myTableView.tableHeaderView = searchController.searchBar 

// Search Bar Border 
let searchBar = searchController.searchBar 
searchBar.backgroundImage = UIImage() 

// Scope Bar 
searchController.searchBar.scopeButtonTitles = ["All", "Released", "Unreleased", "Open Beta"] 
searchController.searchBar.delegate = self 

的搜索栏代码其余

// SEARCH BAR: Filtering Content 
func filterContentForSearchText(searchText: String, scope: String = "All") { 

    filteredFollowedArray = followedArray.filter { Blog in 

     let categoryMatch = (scope == "All") || (Blog.blogType == scope) 

     return categoryMatch && (Blog.blogName.lowercased().contains(searchText.lowercased())) 
    } 

    filteredBlogArray = blogArray.filter { Blog in 

     let categoryMatch = (scope == "All") || (Blog.blogType == scope) 

     return categoryMatch && (Blog.blogName.lowercased().contains(searchText.lowercased())) 
    } 

    myTableView.reloadData() 
} 

// SEARCH BAR: Updating Results 
func updateSearchResults(for searchController: UISearchController) { 

    filterContentForSearchText(searchText: searchController.searchBar.text!) 
} 

func searchBarTextDidBeginEditing(_ searchBar: UISearchBar) {} 

func searchBarTextDidEndEditing(_ searchBar: UISearchBar) {} 

func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {} 

// SEARCH BAR: Scope 
func searchBar(_ searchBar: UISearchBar, selectedScopeButtonIndexDidChange selectedScope: Int) { 

    filterContentForSearchText(searchText: searchBar.text!, scope: searchBar.scopeButtonTitles![selectedScope]) 
} 

// SEARCH BAR: Updating Scope 
func updateSearchResultsForSearchController(searchController: UISearchController) { 

    let searchBar = searchController.searchBar 
    let scope = searchBar.scopeButtonTitles![searchBar.selectedScopeButtonIndex] 

    filterContentForSearchText(searchText: searchController.searchBar.text!, scope: scope) 
} 

// Deallocating Search Bar 
deinit{ 
    if let superView = searchController.view.superview { 
     superView.removeFromSuperview() 
    } 
} 

新代码：

// Search Bar 
searchController.searchBar.backgroundColor = UIColor.white 
searchController.searchBar.barTintColor = UIColor.white 

// Coloring SearchBar Cancel button 
let cancelButtonAttributes: NSDictionary = [NSForegroundColorAttributeName: UIColor.black] 
    UIBarButtonItem.appearance().setTitleTextAttributes(cancelButtonAttributes as? [String : AnyObject], for: UIControlState.normal) 

// Scope: Selected text 
let titleTextAttributesSelected = [NSForegroundColorAttributeName: UIColor.white] 
    UISegmentedControl.appearance().setTitleTextAttributes(titleTextAttributesSelected, for: .selected) 

// Scope: Normal text 
let titleTextAttributesNormal = [NSForegroundColorAttributeName: UIColor.black] 
    UISegmentedControl.appearance().setTitleTextAttributes(titleTextAttributesNormal, for: .normal) 

但范围栏仍是蓝色，它需要是黑色

更新图片

Answer 1

You're缺少了一些东西，这里要做到这一点为您的搜索方式酒吧：

let cancelButtonAttributes: NSDictionary =[NSForegroundColorAttributeName: UIColor.black] 
UIBarButtonItem.appearance().setTitleTextAttributes(cancelButtonAttributes as? [String : AnyObject], for: UIControlState.normal) 

而且为你分段控制：

// Selected text 
let titleTextAttributesSelected = [NSForegroundColorAttributeName: UIColor.green] 
UISegmentedControl.appearance().setTitleTextAttributes(titleTextAttributesSelected, for: .selected) 

// Normal text 
let titleTextAttributesNormal = [NSForegroundColorAttributeName: UIColor.black] 
UISegmentedControl.appearance().setTitleTextAttributes(titleTextAttributesNormal, for: .normal)