Change UINavigationbar background colour and title font/colour programmatically - ios

I want to change the navigation bar background colour, title font and colour programmatically in iOS 11 and swift 4 from AppDelegate. I know how to do it using Xcode but didn't find up-to-date solution for doing it programmatically.


Here are the steps for doing it for only specific ViewControllers.
I have created a BaseViewController file which is the parent for all of my ViewControllers. And the following code as been added to the viewDidLoad() of the BaseViewController.
For changing the Navigation bar's background color
self.navigationController?.navigationBar.barTintColor = UIColor.white
For changing Navigation bar's title and Bar button colors
self.navigationController?.navigationBar.tintColor = UIColor.black
For changing font
self.navigationController?.navigationBar.titleTextAttributes = [NSAttributedStringKey.foregroundColor:UIColor.red, NSAttributedStringKey.font : UIFont.sourceSansPro(ofSize: 18.0), NSAttributedStringKey.kern:1.5]


You can use the following code to change background colour and Title font.
func setupNavigationBarAppearance() {
UINavigationBar.appearance().tintColor = .black
UINavigationBar.appearance().shadowImage = UIImage.imageFromColor(.black, width: 1.0, height: 1.0)?.resizableImage(withCapInsets: .zero, resizingMode: .tile)
UINavigationBar.appearance().isTranslucent = false
let font:UIFont = UIFont(name: "ProximaNova-Bold", size: 18.0)!
let navbarTitleAtt = [
NSAttributedStringKey.font:font,
NSAttributedStringKey.foregroundColor: UIColor.white
]
UINavigationBar.appearance().titleTextAttributes = navbarTitleAtt
}
And call this func in didFinishLaunchingWithOptions as setupNavigationBarAppearance(). I am using this same code, and it is working fine.


Just use UINavigationBar.appearance()
For example:
UINavigationBar.appearance().titleTextAttributes = [.foregroundColor: UIColor.white]
or
UINavigationBar.appearance().barTintColor = .blue


For AppDelegate:
Put following code in didFinishLaunchingWithOptions in AppDelegate:
UINavigationBar.appearance().barTintColor = UIColor(red: 46.0/255.0, green: 14.0/255.0, blue: 74.0/255.0, alpha: 1.0)
UINavigationBar.appearance().tintColor = UIColor.white
UINavigationBar.appearance().titleTextAttributes = [NSAttributedStringKey.foregroundColor : UIColor.white]
UINavigationBar.appearance().isTranslucent = false


On iOS 15 it is now
navigationController.navigationBar.backgroundColor = .white

Related

UISearchController change color

I use this code to change my navigation bar appearance which I put it in AppDelegate:
UINavigationBar.appearance().barTintColor = UIColor(hex: "E1354A")
UINavigationBar.appearance().tintColor = .white
UINavigationBar.appearance().titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
UINavigationBar.appearance().isTranslucent = false
Also I use UISearchController which I add programmatically. But when I push it the color of navigation bar and search controller are changed in black. I don't understand why it happens and how I can prevent it?
[][1

I've found a solution. I put in viewDidLoad:
let appearance = UINavigationBarAppearance()
appearance.backgroundColor = UIColor(hex: "E1354A")
appearance.titleTextAttributes = [NSAttributedString.Key.foregroundColor : UIColor.white]
navigationItem.standardAppearance = appearance
navigationItem.scrollEdgeAppearance = appearance
let searchField = searchController.searchBar.searchTextField
searchField.backgroundColor = .systemBackground

How to change my navigation title font and color both together? [duplicate]

This question already has an answer here:
Change Both Title Text Color and Font in all Navigation Bars
(1 answer)
Closed 4 years ago.
I want to change my custom navigation bar's background color and also its title font color , font style and font size. so i tried this code into the AppDelegate.swift file
UINavigationBar.appearance().barTintColor = UIColor(red: 0/255, green: 162/255, blue: 255/255, alpha: 1.0)
UINavigationBar.appearance().tintColor = UIColor.white
let navigationTitleFont = UIFont(name: "Poppins", size: 20)!
let navigaiontitlecolor = UIColor.white
UINavigationBar.appearance().titleTextAttributes = [NSAttributedStringKey.foregroundColor : navigaiontitlecolor]
UINavigationBar.appearance().titleTextAttributes = [NSAttributedStringKey.font : navigationTitleFont]
i got the background color. my title font style and size both are ok. but my title font color is not ok. so i go for searching and i applied this link code
Change Both Title Text Color and Font in all Navigation Bars
but did not work in my case. what to do?

Below code will globally change the UINavigationBar style and also remove its bottom line. Just paste them to didFinishLaunchingWithOptions inside AppDelegate
UINavigationBar.appearance().setBackgroundImage(UIImage(), for: .default)
UINavigationBar.appearance().tintColor = UIColor.white
UINavigationBar.appearance().barTintColor = UIColor(red: 0/255, green: 162/255, blue: 255/255, alpha: 1.0)
UINavigationBar.appearance().shadowImage = UIImage()
UINavigationBar.appearance().isTranslucent = true
UINavigationBar.appearance().titleTextAttributes = [
NSAttributedString.Key.font: UIFont(name: "Poppins", size: 20)!,
NSAttributedString.Key.foregroundColor: UIColor.white
]

try this to change navigation title font and color both together:
self.navigationController?.navigationBar.titleTextAttributes = [NSAttributedStringKey.font: **YourFont**, NSAttributedStringKey.foregroundColor:**Your Color**]

how to change navigationitem title color

I think all day to change the navigation Bar title color, but it doesn't work. this is my code:
var user: User? {
didSet {
navigationItem.title = user?.name
observeMessages()
}
}
I use didSet to show the title on the navigation title.

Add this in your code . .
let textAttributes = [NSForegroundColorAttributeName:UIColor.red]
navigationController?.navigationBar.titleTextAttributes = textAttributes
SWIFT 4:
let textAttributes = [NSAttributedStringKey.foregroundColor:UIColor.red]
navigationController?.navigationBar.titleTextAttributes = textAttributes
SWIFT 4.2+:
let textAttributes = [NSAttributedString.Key.foregroundColor:UIColor.red]
navigationController?.navigationBar.titleTextAttributes = textAttributes
Keeping all the other attributes of the title:
If you just want change the color you could do like this:
if var textAttributes = navigationController?.navigationBar.titleTextAttributes {
textAttributes[NSAttributedString.Key.foregroundColor] = UIColor.red
navigationController?.navigationBar.titleTextAttributes = textAttributes
}

The title color of Navigation Bar can be changed in Storyboard.
Go to Attributes inspector of Navigation Controller > Navigation Bar and set the desired color in Title Color menu.

Solution for iOS 13
To customize the appearance of a navigation bar you need to use UINavigationBarAppearance:
let appearance = UINavigationBarAppearance()
appearance.titleTextAttributes = [.foregroundColor: UIColor.red]
appearance.largeTitleTextAttributes = [.foregroundColor: UIColor.red]
navigationItem.standardAppearance = appearance
navigationItem.scrollEdgeAppearance = appearance

Swift 4
set this first
navigationController?.navigationBar.barStyle = .default
then one of those should work
navigationBar.largeTitleTextAttributes = [NSAttributedStringKey.foregroundColor: UIColor.red]
or
navigationBar.titleTextAttributes = [NSAttributedStringKey.foregroundColor: UIColor.red]
Swift 5
navigationBar.largeTitleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.red]
or
navigationBar.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.red]

For iOS 13 you have to change the color in the appearance property and for older iOS versions you can do it directly in the navigation bar property.
if #available(iOS 13.0, *) {
navigationController?.navigationBar.standardAppearance.titleTextAttributes = [.foregroundColor: UIColor.white]
} else {
navigationController?.navigationBar.titleTextAttributes = [.foregroundColor: UIColor.white]
}

in objetive c:
[UINavigationBar appearance] setTitleTextAttributes:
[NSDictionary dictionaryWithObjectsAndKeys:
[UIColor blackColor], NSForegroundColorAttributeName,
[UIFont fontWithName:#"ArialMT" size:16.0], NSFontAttributeName,nil]];

The didSet is called if your set the user, maybe you're setting the user's name variable and expecting the program to enter didSet.
try setting the user.
And if you want to change the color of the text when the navigation title is changed to the name of the user just call this code.
navigationController?.navigationBar.titleTextAttributes = [NSForegroundColorAttributeName : UIColor.red]
var user: User? {
didSet {
navigationItem.title = user?.name
}
}
override func viewDidLoad() {
super.viewDidLoad()
let newUser = User()
newUser.name = "John Doe"
user = newUser
}

If you set your navigation bar's title to prefer large titles, like so:
navigationBar.prefersLargeTitles = true
then you need to use the largeTitleTextAttributes property and not the titleTextAttributes property. If you set your nav title to be a large title, the titleTextAttribute is not the correct property to use. Use the largeTitleTextAttributes property, like so:
navigationBar.largeTitleTextAttributes = [.foregroundColor: UIColor.white]

Swift 5/Xcode 11
Write this code as extension from UINavigationBar
extension UINavigationBar {
func customNavigationBar() {
// color for button images, indicators and etc.
self.tintColor = UIColor.Custom.mainAppColor
// color for background of navigation bar
// but if you use larget titles, then in viewDidLoad must write
// navigationController?.view.backgroundColor = // your color
self.barTintColor = .white
self.isTranslucent = false
// for larget titles
self.prefersLargeTitles = true
// color for large title label
self.largeTitleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.someColor]
// color for standard title label
self.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.someColor]
// remove bottom line/shadow
self.setBackgroundImage(UIImage(), for: .default)
self.shadowImage = UIImage()
}
}
then in AppDelegate.swift call UINavigationBar.appearance().customNavigationBar() in didFinishLaunchingWithOptions function

you can just add this line of code in your AppDelegate in the func
didFinishLaunchingWithOptions
Code you will add to change title color:
UINavigationBar.appearance().titleTextAttributes = [NSAttributedString.Key.foregroundColor : UIColor(red: 0.7415059209, green: 0.5448099971, blue: 0.5051562786, alpha: 1)]
you can add this line as well if you wanna change the backButton color
UINavigationBar.appearance().tintColor = #colorLiteral(red: 0.7415059209, green: 0.5448099971, blue: 0.5051562786, alpha: 1)
Finally you can add this line to change the background color:
UINavigationBar.appearance().barTintColor = #colorLiteral(red: 0.2000651062, green: 0.1960035861, blue: 0.2000851929, alpha: 1)
Note: You can change the values dependent on the color you want
and have a happy coding day

Swift 4
create project and test this with ViewController easy to use
import UIKit
class ProfileViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
configureNavigationBar()
}
func configureNavigationBar() {
navigationItem.title = "Profile"
let textChangeColor =[NSAttributedString.Key.foregroundColor:UIColor.black]
navigationController?.navigationBar.titleTextAttributes = textAttributes
navigationItem.rightBarButtonItem?.tintColor = .white
navigationItem.rightBarButtonItem = UIBarButtonItem(image: #imageLiteral(resourceName: "arrow_right").withRenderingMode(.alwaysOriginal), style: .plain, target: self, action: #selector(handleDismiss))
navigationController?.navigationBar.prefersLargeTitles = true
navigationItem.rightBarButtonItem?.tintColor = .white
}
}

NavigationBar bar, tint, and title text color in iOS 8

The background text in the status bar is still black. How do I change the color to white?
// io8, swift, Xcode 6.0.1
override func viewDidLoad() {
super.viewDidLoad()
self.navigationController?.navigationBar.barTintColor = UIColor.blackColor()
self.navigationController?.navigationBar.titleTextAttributes = [NSForegroundColorAttributeName: UIColor.orangeColor()]
}

In AppDelegate.swift, in application(_:didFinishLaunchingWithOptions:) I put the following:
UINavigationBar.appearance().barTintColor = UIColor(red: 234.0/255.0, green: 46.0/255.0, blue: 73.0/255.0, alpha: 1.0)
UINavigationBar.appearance().tintColor = UIColor.white
UINavigationBar.appearance().titleTextAttributes = [NSAttributedString.Key.foregroundColor : UIColor.white]
(For Swift 4 or earlier use NSAttributedStringKey instead of NSAttributedString.Key)
For titleTextAttributes, the docs say:
You can specify the font, text color, text shadow color, and text
shadow offset for the title in the text attributes dictionary

I like Alex's answer. If you want something quick to try out in a ViewController make sure you use
viewWillAppear()
override func viewWillAppear(animated: Bool) {
super.viewWillAppear(animated)
var nav = self.navigationController?.navigationBar
nav?.barStyle = UIBarStyle.Black
nav?.tintColor = UIColor.white
nav?.titleTextAttributes = [NSForegroundColorAttributeName: UIColor.orange]
//nav?.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.orange] // swift 4.2
}

To change the color universally, this code should sit in the NavigationController's viewDidLoad function:
class NavigationController: UINavigationController, UIViewControllerTransitioningDelegate {
override func viewDidLoad() {
super.viewDidLoad()
// Status bar white font
self.navigationBar.barStyle = UIBarStyle.Black
self.navigationBar.tintColor = UIColor.whiteColor()
}
}
To change it per ViewController you would have to reference the NavigationController from the ViewController and write similar lines in that ViewController's viewWillAppear function.

Swift 5
self.navigationController?.navigationBar.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
Swift 4
self.navigationController?.navigationBar.titleTextAttributes = [NSAttributedStringKey.foregroundColor: UIColor.white]

To work in objective-c I have to put the following lines in viewWillAppear in my CustomViewController.
[self.navigationController.navigationBar setBarTintColor:[UIColor whiteColor]];
[self.navigationController.navigationBar setTranslucent:NO];
For Swift2.x this works:
self.navigationController?.navigationBar.barTintColor = UIColor.redColor()
For Swift3.x this works:
self.navigationController?.navigationBar.barTintColor = UIColor.red

To do this job in storyboard (Interface Builder Inspector)
With help of IBDesignable, we can add more options to Interface Builder Inspector for UINavigationController and tweak them on storyboard. First, add the following code to your project.
#IBDesignable extension UINavigationController {
#IBInspectable var barTintColor: UIColor? {
set {
navigationBar.barTintColor = newValue
}
get {
guard let color = navigationBar.barTintColor else { return nil }
return color
}
}
#IBInspectable var tintColor: UIColor? {
set {
navigationBar.tintColor = newValue
}
get {
guard let color = navigationBar.tintColor else { return nil }
return color
}
}
#IBInspectable var titleColor: UIColor? {
set {
guard let color = newValue else { return }
navigationBar.titleTextAttributes = [NSForegroundColorAttributeName: color]
}
get {
return navigationBar.titleTextAttributes?["NSForegroundColorAttributeName"] as? UIColor
}
}
}
Then simply set the attributes for UINavigationController on storyboard.

In Swift5 and Xcode 10
self.navigationItem.title = "your name"
let textAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
navigationController?.navigationBar.titleTextAttributes = textAttributes

If you want to set the tint color and bar color for the entire app, the following code can be added to AppDelegate.swift in
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
// Override point for customization after application launch.
var navigationBarAppearace = UINavigationBar.appearance()
navigationBarAppearace.tintColor = UIColor(red:1.00, green:1.00, blue:1.00, alpha:1.0)
navigationBarAppearace.barTintColor = UIColor(red:0.76, green:0.40, blue:0.40, alpha:1.0)
navigationBarAppearace.titleTextAttributes = [NSForegroundColorAttributeName: UIColor.white]
return true
`
Navigation barTintColor and tintColor is set

Updated with swift 4
override func viewDidLoad() {
super.viewDidLoad()
self.navigationController?.navigationBar.tintColor = UIColor.blue
self.navigationController?.navigationBar.barStyle = UIBarStyle.black
}

Swift 5.1
Only copy and Paste in ViewDidLoad() and Change its and size as your need.
Before copy and paste add Navigation Bar on top of the Screen.
navigationController?.navigationBar.titleTextAttributes = [ NSAttributedString.Key.font: UIFont(name: "TitilliumWeb-Bold.ttf", size: 16.0)!, NSAttributedString.Key.foregroundColor: UIColor.white]
If it not work then you can try for only change its text color
navigationController?.navigationBar.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]

Swift 4.2 version of Albert's answer-
UINavigationBar.appearance().barTintColor = UIColor(red: 234.0/255.0, green: 46.0/255.0, blue: 73.0/255.0, alpha: 1.0)
UINavigationBar.appearance().tintColor = UIColor.white
UINavigationBar.appearance().titleTextAttributes = [.foregroundColor : UIColor.white]

Setting text color of navigation bar title to white in Swift version 4.2:
navigationController?.navigationBar.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]

Swift 4
override func viewDidLoad() {
super.viewDidLoad()
navigationController?.navigationBar.barTintColor = UIColor.orange
navigationController?.navigationBar.tintColor = UIColor.white
navigationController?.navigationBar.titleTextAttributes = [NSForegroundColorAttributeName: UIColor.white]
}

Swift 4.1
Add a func to viewDidLoad
override func viewDidLoad() {
super.viewDidLoad()
setup()
}
In the setup() function add:
func setup() {
navigationController?.navigationBar.prefersLargeTitles = true
navigationController?.navigationBar.barStyle = .blackOpaque
navigationItem.title = "YOUR_TITLE_HERE"
navigationController?.navigationBar.barTintColor = .black
let attributes = [NSAttributedStringKey.foregroundColor: UIColor.white]
navigationController?.navigationBar.largeTitleTextAttributes = attributes
}

For custom color to TitleText at NavigationBar, here a simple and short code for Swift 3:
UINavigationBar.appearance().titleTextAttributes = [NSForegroundColorAttributeName : UIColor.white]
or
navigationController?.navigationBar.titleTextAttributes = [NSForegroundColorAttributeName :UIColor.white]

in Swift 4.2
var nav = self.navigationController?.navigationBar
nav?.barStyle = UIBarStyle.Black
nav?.tintColor = UIColor.white
nav?.titleTextAttributes = [NSForegroundColorAttributeName: UIColor.orange]

Swift up through Swift 3.2 (not Swift 4.0)
self.navigationController?.navigationItem.largeTitleDisplayMode = .always
self.navigationController?.navigationBar.prefersLargeTitles = true
self.navigationController?.navigationBar.largeTitleTextAttributes = [NSForegroundColorAttributeName: UIColor.white]
// unconfirmed but I assume this works:
self.navigationController?.navigationBar.barTintColor = UIColor.white
self.navigationController?.navigationBar.barStyle = UIBarStyle.black

In Swift 3 this works:
navigationController?.navigationBar.barTintColor = UIColor.white
navigationController?.navigationBar.titleTextAttributes = [NSAttributedStringKey.foregroundColor: UIColor.blue]

Changing navigation bar color in Swift

I am using a Picker View to allow the user to choose the colour theme for the entire app.
I am planning on changing the colour of the navigation bar, background and possibly the tab bar (if that is possible).
I've been researching how to do this but can't find any Swift examples. Could anyone please give me an example of the code I would need to use to change the navigation bar colour and navigation bar text colour?
The Picker View is set up, I'm just looking for the code to change the UI colours.

Navigation Bar:
navigationController?.navigationBar.barTintColor = UIColor.green
Replace greenColor with whatever UIColor you want, you can use an RGB too if you prefer.
Navigation Bar Text:
navigationController?.navigationBar.titleTextAttributes = [.foregroundColor: UIColor.orange]
Replace orangeColor with whatever color you like.
Tab Bar:
tabBarController?.tabBar.barTintColor = UIColor.brown
Tab Bar Text:
tabBarController?.tabBar.tintColor = UIColor.yellow
On the last two, replace brownColor and yellowColor with the color of your choice.

Here are some very basic appearance customization that you can apply app wide:
UINavigationBar.appearance().backgroundColor = UIColor.greenColor()
UIBarButtonItem.appearance().tintColor = UIColor.magentaColor()
//Since iOS 7.0 UITextAttributeTextColor was replaced by NSForegroundColorAttributeName
UINavigationBar.appearance().titleTextAttributes = [UITextAttributeTextColor: UIColor.blueColor()]
UITabBar.appearance().backgroundColor = UIColor.yellowColor();
Swift 5.4.2:
UINavigationBar.appearance().backgroundColor = .green // backgorund color with gradient
// or
UINavigationBar.appearance().barTintColor = .green // solid color
UIBarButtonItem.appearance().tintColor = .magenta
UINavigationBar.appearance().titleTextAttributes = [NSAttributedString.Key.foregroundColor : UIColor.blue]
UITabBar.appearance().barTintColor = .yellow
More about UIAppearance API in Swift you can read here.

Updated for Swift 3, 4, 4.2, 5+
// setup navBar.....
UINavigationBar.appearance().barTintColor = .black
UINavigationBar.appearance().tintColor = .white
UINavigationBar.appearance().titleTextAttributes = [NSForegroundColorAttributeName: UIColor.white]
UINavigationBar.appearance().isTranslucent = false
Swift 4
UINavigationBar.appearance().barTintColor = .black
UINavigationBar.appearance().tintColor = .white
UINavigationBar.appearance().titleTextAttributes = [NSAttributedStringKey.foregroundColor: UIColor.white]
UINavigationBar.appearance().isTranslucent = false
Swift 4.2, 5+
UINavigationBar.appearance().barTintColor = .black
UINavigationBar.appearance().tintColor = .white
UINavigationBar.appearance().titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
UINavigationBar.appearance().isTranslucent = false
if you want to work with large title, add this line:
UINavigationBar.navigationBar.prefersLargeTitles = true
Also can check here : https://github.com/hasnine/iOSUtilitiesSource

UINavigationBar.appearance().barTintColor = UIColor(red: 46.0/255.0, green: 14.0/255.0, blue: 74.0/255.0, alpha: 1.0)
UINavigationBar.appearance().tintColor = UIColor.whiteColor()
UINavigationBar.appearance().titleTextAttributes = [NSForegroundColorAttributeName : UIColor.whiteColor()]
Just paste this line in didFinishLaunchingWithOptions in your code.

Within AppDelegate, this has globally changed the format of the NavBar and removes the bottom line/border (which is a problem area for most people) to give you what I think you and others are looking for:
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
UINavigationBar.appearance().setBackgroundImage(UIImage(), forBarPosition: UIBarPosition.Any, barMetrics: UIBarMetrics.Default)
UINavigationBar.appearance().shadowImage = UIImage()
UINavigationBar.appearance().tintColor = UIColor.whiteColor()
UINavigationBar.appearance().barTintColor = Style.SELECTED_COLOR
UINavigationBar.appearance().translucent = false
UINavigationBar.appearance().clipsToBounds = false
UINavigationBar.appearance().backgroundColor = Style.SELECTED_COLOR
UINavigationBar.appearance().titleTextAttributes = [NSFontAttributeName : (UIFont(name: "FONT NAME", size: 18))!, NSForegroundColorAttributeName: UIColor.whiteColor()] }
Then you can setup a Constants.swift file, and contained is a Style struct with colors and fonts etc. You can then add a tableView/pickerView to any ViewController and use "availableThemes" array to allow user to change themeColor.
The beautiful thing about this is you can use one reference throughout your whole app for each colour and it'll update based on the user's selected "Theme" and without one it defaults to theme1():
import Foundation
import UIKit
struct Style {
static let availableThemes = ["Theme 1","Theme 2","Theme 3"]
static func loadTheme(){
let defaults = NSUserDefaults.standardUserDefaults()
if let name = defaults.stringForKey("Theme"){
// Select the Theme
if name == availableThemes[0] { theme1() }
if name == availableThemes[1] { theme2() }
if name == availableThemes[2] { theme3() }
}else{
defaults.setObject(availableThemes[0], forKey: "Theme")
theme1()
}
}
// Colors specific to theme - can include multiple colours here for each one
static func theme1(){
static var SELECTED_COLOR = UIColor(red:70/255, green: 38/255, blue: 92/255, alpha: 1) }
static func theme2(){
static var SELECTED_COLOR = UIColor(red:255/255, green: 255/255, blue: 255/255, alpha: 1) }
static func theme3(){
static var SELECTED_COLOR = UIColor(red:90/255, green: 50/255, blue: 120/255, alpha: 1) } ...

To do this on storyboard (Interface Builder Inspector)
With help of IBDesignable, we can add more options to Interface Builder Inspector for UINavigationController and tweak them on storyboard. First, add the following code to your project.
#IBDesignable extension UINavigationController {
#IBInspectable var barTintColor: UIColor? {
set {
guard let uiColor = newValue else { return }
navigationBar.barTintColor = uiColor
}
get {
guard let color = navigationBar.barTintColor else { return nil }
return color
}
}
}
Then simply set the attributes for navigation controller on storyboard.
This approach may also be used to manage the color of the navigation bar text from the storyboard:
#IBInspectable var barTextColor: UIColor? {
set {
guard let uiColor = newValue else {return}
navigationBar.titleTextAttributes = [NSAttributedStringKey.foregroundColor: uiColor]
}
get {
guard let textAttributes = navigationBar.titleTextAttributes else { return nil }
return textAttributes[NSAttributedStringKey.foregroundColor] as? UIColor
}
}

Swift 4:
Perfectly working code to change the navigation bar appearance at application level.
// MARK: Navigation Bar Customisation
// To change background colour.
UINavigationBar.appearance().barTintColor = .init(red: 23.0/255, green: 197.0/255, blue: 157.0/255, alpha: 1.0)
// To change colour of tappable items.
UINavigationBar.appearance().tintColor = .white
// To apply textAttributes to title i.e. colour, font etc.
UINavigationBar.appearance().titleTextAttributes = [.foregroundColor : UIColor.white,
.font : UIFont.init(name: "AvenirNext-DemiBold", size: 22.0)!]
// To control navigation bar's translucency.
UINavigationBar.appearance().isTranslucent = false
Happy Coding!

UINavigationBar.appearance().barTintColor
worked for me

SWIFT 4 - Smooth transition (best solution):
If you're moving back from a navigation controller and you have to set a diffrent color on the navigation controller you pushed from you want to use
override func willMove(toParentViewController parent: UIViewController?) {
navigationController?.navigationBar.barTintColor = .white
navigationController?.navigationBar.tintColor = Constants.AppColor
}
instead of putting it in the viewWillAppear so the transition is cleaner.
SWIFT 4.2
override func willMove(toParent parent: UIViewController?) {
navigationController?.navigationBar.barTintColor = UIColor.black
navigationController?.navigationBar.tintColor = UIColor.black
}

Below Codes are working for iOS 15
if #available(iOS 15, *) {
// Navigation Bar background color
let appearance = UINavigationBarAppearance()
appearance.configureWithOpaqueBackground()
appearance.backgroundColor = UIColor.yourColor
// setup title font color
let titleAttribute = [NSAttributedString.Key.font: UIFont.systemFont(ofSize: 25, weight: .bold), NSAttributedString.Key.foregroundColor: UIColor.yourColor]
appearance.titleTextAttributes = titleAttribute
navigationController?.navigationBar.standardAppearance = appearance
navigationController?.navigationBar.scrollEdgeAppearance = appearance
}

In Swift 4
You can change the color of navigation bar. Just use this below code snippet in viewDidLoad()
Navigation Bar color
self.navigationController?.navigationBar.barTintColor = UIColor.white
Navigation Bar Text Color
self.navigationController?.navigationBar.titleTextAttributes = [NSAttributedStringKey.foregroundColor: UIColor.purple]
For iOS 11 Large Title Navigation Bar, you need to use largeTitleTextAttributes property
self.navigationController?.navigationBar.largeTitleTextAttributes = [NSAttributedStringKey.foregroundColor: UIColor.purple]

The appearance() function not always work for me. So I prefer to create a NC object and change its attributes.
var navBarColor = navigationController!.navigationBar
navBarColor.barTintColor =
UIColor(red: 255/255.0, green: 0/255.0, blue: 0/255.0, alpha: 100.0/100.0)
navBarColor.titleTextAttributes =
[NSForegroundColorAttributeName: UIColor.whiteColor()]
Also if you want to add an image instead of just text, that works as well
var imageView = UIImageView(frame: CGRect(x: 0, y: 0, width: 70, height: 70))
imageView.contentMode = .ScaleAspectFit
var image = UIImage(named: "logo")
imageView.image = image
navigationItem.titleView = imageView

Swift 5 (iOS 14)
Full navigation bar customization.
// -----------------------------------------------------------
// NAVIGATION BAR CUSTOMIZATION
// -----------------------------------------------------------
self.navigationController?.navigationBar.prefersLargeTitles = true
self.navigationController?.navigationBar.tintColor = UIColor.white
self.navigationController?.navigationBar.isTranslucent = false
if #available(iOS 13.0, *) {
let appearance = UINavigationBarAppearance()
appearance.configureWithDefaultBackground()
appearance.backgroundColor = UIColor.blue
appearance.largeTitleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
appearance.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
navigationController?.navigationBar.standardAppearance = appearance
navigationController?.navigationBar.scrollEdgeAppearance = appearance
navigationController?.navigationBar.compactAppearance = appearance
} else {
self.navigationController?.navigationBar.barTintColor = UIColor.blue
self.navigationController?.navigationBar.largeTitleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
self.navigationController?.navigationBar.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
}
// -----------------------------------------------------------
// NAVIGATION BAR SHADOW
// -----------------------------------------------------------
self.navigationController?.navigationBar.layer.masksToBounds = false
self.navigationController?.navigationBar.layer.shadowColor = UIColor.black.cgColor
self.navigationController?.navigationBar.layer.shadowOffset = CGSize(width: 0, height: 2)
self.navigationController?.navigationBar.layer.shadowRadius = 15
self.navigationController?.navigationBar.layer.shadowOpacity = 0.7

Swift 5, an easy approach with UINavigationController extension. At the bottom of this answer are extensions and previews.
First view controller (Home):
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
navigationController?.setTintColor(.white)
navigationController?.backgroundColor(.orange)
}
Second view controller (Details):
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
navigationController?.transparentNavigationBar()
navigationController?.setTintColor(.black)
}
Extensions for UINavigationController:
extension UINavigationController {
func transparentNavigationBar() {
self.navigationBar.setBackgroundImage(UIImage(), for: .default)
self.navigationBar.shadowImage = UIImage()
self.navigationBar.isTranslucent = true
}
func setTintColor(_ color: UIColor) {
self.navigationBar.titleTextAttributes = [NSAttributedString.Key.foregroundColor: color]
self.navigationBar.tintColor = color
}
func backgroundColor(_ color: UIColor) {
navigationBar.setBackgroundImage(nil, for: .default)
navigationBar.barTintColor = color
navigationBar.shadowImage = UIImage()
}
}
Storyboard view:
Previews:

Use the appearance API, and barTintColor color.
UINavigationBar.appearance().barTintColor = UIColor.greenColor()

In iOS 15, UIKit has extended the usage of the scrollEdgeAppearance, which by default produces a transparent background, to all navigation bars.
Set scrollEdgeAppearance as below code.
if #available(iOS 15, *) {
let appearance = UINavigationBarAppearance()
appearance.configureWithOpaqueBackground()
appearance.backgroundColor = < your tint color >
navigationController?.navigationBar.standardAppearance = appearance;
navigationController?.navigationBar.scrollEdgeAppearance = navigationController?.navigationBar.standardAppearance
}

This version also removes the 1px shadow line under the navigation bar:
Swift 5: Put this in your AppDelegate didFinishLaunchingWithOptions
UINavigationBar.appearance().barTintColor = UIColor.black
UINavigationBar.appearance().tintColor = UIColor.white
UINavigationBar.appearance().titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
UINavigationBar.appearance().isTranslucent = false
UINavigationBar.appearance().setBackgroundImage(UIImage(), for: .any, barMetrics: .default)
UINavigationBar.appearance().shadowImage = UIImage()

iOS 8 (swift)
let font: UIFont = UIFont(name: "fontName", size: 17)
let color = UIColor.backColor()
self.navigationController?.navigationBar.topItem?.backBarButtonItem?.setTitleTextAttributes([NSFontAttributeName: font,NSForegroundColorAttributeName: color], forState: .Normal)

If you have customized navigation controller, you can use above code snippet.
So in my case, I've used as following code pieces.
Swift 3.0, XCode 8.1 version
navigationController.navigationBar.barTintColor = UIColor.green
Navigation Bar Text:
navigationController.navigationBar.titleTextAttributes = [NSForegroundColorAttributeName: UIColor.orange]
It is very helpful talks.

Swift 4, iOS 12 and Xcode 10 Update
Just put one line inside viewDidLoad()
navigationController?.navigationBar.barTintColor = UIColor.red

In Swift 2
For changing color in navigation bar,
navigationController?.navigationBar.barTintColor = UIColor.whiteColor()
For changing color in item navigation bar,
navigationController?.navigationBar.tintColor = UIColor.blueColor()
or
navigationController!.navigationBar.titleTextAttributes = [NSForegroundColorAttributeName: UIColor.blueColor()]

Swift 3
UINavigationBar.appearance().barTintColor = UIColor(colorLiteralRed: 51/255, green: 90/255, blue: 149/255, alpha: 1)
This will set your navigation bar color like Facebook bar color :)

Swift 3
Simple one liner that you can use in ViewDidLoad()
//Change Color
self.navigationController?.navigationBar.barTintColor = UIColor.red
//Change Text Color
self.navigationController?.navigationBar.titleTextAttributes = [NSForegroundColorAttributeName: UIColor.white]

Swift 3 and Swift 4 Compatible Xcode 9
A Better Solution for this to make a Class for common Navigation bars
I have 5 Controllers and each controller title is changed to orange color. As each controller has 5 navigation controllers so i had to change every one color either from inspector or from code.
So i made a class instead of changing every one Navigation bar from code i just assign this class and it worked on all 5 controller Code reuse Ability.
You just have to assign this class to Each controller and thats it.
import UIKit
class NabigationBar: UINavigationBar {
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
commonFeatures()
}
func commonFeatures() {
self.backgroundColor = UIColor.white;
UINavigationBar.appearance().titleTextAttributes = [NSAttributedStringKey.foregroundColor:ColorConstants.orangeTextColor]
}
}

If you're using iOS 13 or 14 and large title, and want to change navigation bar color, use following code:
Refer to barTintColor not applied when NavigationBar is Large Titles
fileprivate func setNavigtionBarItems() {
if #available(iOS 13.0, *) {
let appearance = UINavigationBarAppearance()
appearance.configureWithDefaultBackground()
appearance.backgroundColor = .brown
// let naviFont = UIFont(name: "Chalkduster", size: 30) ?? .systemFont(ofSize: 30)
// appearance.titleTextAttributes = [NSAttributedString.Key.font: naviFont]
navigationController?.navigationBar.prefersLargeTitles = true
navigationController?.navigationBar.standardAppearance = appearance
navigationController?.navigationBar.scrollEdgeAppearance = appearance
//navigationController?.navigationBar.compactAppearance = appearance
} else {
// Fallback on earlier versions
navigationController?.navigationBar.barTintColor = .brown
}
}
This took me 1 hour to figure out what is wrong in my code:(, since I'm using large title, it is hard to change the tintColor with largeTitle, why apple makes it so complicated, so many lines to just make a tintColor of navigationBar.

iOs 14+
init() {
let appearance = UINavigationBarAppearance()
appearance.shadowColor = .clear // gets also rid of the bottom border of the navigation bar
appearance.configureWithTransparentBackground()
UINavigationBar.appearance().standardAppearance = appearance
UINavigationBar.appearance().scrollEdgeAppearance = appearance
}

iOS 10 Swift 3.0
If you don't mind to use swift frameworks then us UINeraida to change navigation background as UIColor or HexColor or UIImage and change navigation back button text programmatically, change complete forground text color.
For UINavigationBar
neraida.navigation.background.color.hexColor("54ad00", isTranslucent: false, viewController: self)
//Change navigation title, backbutton colour
neraida.navigation.foreground.color.uiColor(UIColor.white, viewController: self)
//Change navigation back button title programmatically
neraida.navigation.foreground.backButtonTitle("Custom Title", ViewController: self)
//Apply Background Image to the UINavigationBar
neraida.navigation.background.image("background", edge: (0,0,0,0), barMetrics: .default, isTranslucent: false, viewController: self)

I had to do
UINavigationBar.appearance().tintColor = UIColor.whiteColor()
UINavigationBar.appearance().barStyle = .Black
UINavigationBar.appearance().backgroundColor = UIColor.blueColor()
otherwise the background color wouldn't change

First set the isTranslucent property of navigationBar to false to get the desired colour. Then change the navigationBar colour like this:
#IBOutlet var NavigationBar: UINavigationBar!
NavigationBar.isTranslucent = false
NavigationBar.barTintColor = UIColor (red: 117/255, green: 23/255, blue: 49/255, alpha: 1.0)

Make sure to set the Button State for .normal
extension UINavigationBar {
func makeContent(color: UIColor) {
let attributes: [NSAttributedString.Key: Any]? = [.foregroundColor: color]
self.titleTextAttributes = attributes
self.topItem?.leftBarButtonItem?.setTitleTextAttributes(attributes, for: .normal)
self.topItem?.rightBarButtonItem?.setTitleTextAttributes(attributes, for: .normal)
}
}
P.S iOS 12, Xcode 10.1

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