How to Customize the Navigation Back Symbol and Navigation Back Text

How to customize the navigation back symbol and navigation back text?

You can hide back button text in many ways.Try this simple approach.

Step1: Goto your mainstoryBoard and click navigationBar.

Step 2: Goto Attributes Inspector under Navigation Item add a BLANK SPACE in Back Button

Step 3: If you want to change backButton text method is pretty much the same.

Update 1: If you want to use an image as a back button check this link

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Update 2:

Method 2: Using custom image as a back button.

Paste below code into your detailVC and set image for your back Button.

override func viewDidLoad() {
    super.viewDidLoad()
    // Do any additional setup after loading the view, typically from a nib.

   title = "Detail VC"

    let customButton = UIBarButtonItem(image: UIImage(named: "back"), style: .plain, target: self, action: #selector(backButtonTapped)) //
    self.navigationItem.leftBarButtonItem  = customButton  
}

func backButtonTapped() {     
   _ = navigationController?.popToRootViewController(animated: true)  
}

I am setting back button image in assets catalogue with the 32pixel size.I am not sure about the asset image size.Check with apple doc about the size class.

Output:

Custom back button for NavigationView's navigation bar in SwiftUI

TL;DR

Use this to transition to your view:

NavigationLink(destination: SampleDetails()) {}

Add this to the view itself:

@Environment(\.presentationMode) var presentationMode: Binding<PresentationMode>

Then, in a button action or something, dismiss the view:

presentationMode.wrappedValue.dismiss()

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Full code

From a parent, navigate using NavigationLink

 NavigationLink(destination: SampleDetails()) {}

In DetailsView hide navigationBarBackButton and set custom back button to leading navigationBarItem,

struct SampleDetails: View {
    @Environment(\.presentationMode) var presentationMode: Binding<PresentationMode>

    var btnBack : some View { Button(action: {
        self.presentationMode.wrappedValue.dismiss()
        }) {
            HStack {
            Image("ic_back") // set image here
                .aspectRatio(contentMode: .fit)
                .foregroundColor(.white)
                Text("Go back")
            }
        }
    }
    
    var body: some View {
            List {
                Text("sample code")
        }
        .navigationBarBackButtonHidden(true)
        .navigationBarItems(leading: btnBack)
    }
}

Swift Custom NavBar Back Button Image and Text

You can do something like that:

let yourBackImage = UIImage(named: "back_button_image")
self.navigationController?.navigationBar.backIndicatorImage = yourBackImage
self.navigationController?.navigationBar.backIndicatorTransitionMaskImage = yourBackImage
self.navigationController?.navigationBar.backItem?.title = "Custom"

Your image will only have one color though

Use UINavigationBar appearance back icon for custom button?

UINavigationBar.appearance().backIndicatorImage is an optional value, therefore you won't be able to get the system default chevron from this. Rather, the system will use the image provided here if not null, otherwise revert to the system default.

If targeting iOS 13+, you can make use of Apple's SF Symbols, in particular the back button icon is referred to as chevron.left. To use this, call UIImage(systemName: "chevron.left"). For earlier versions of iOS, you'll have to use an image set asset. You could target all versions of iOS using if #available(iOS 13.0, *) { ... } else { ... }, where you display the system image if on iOS 13+ for improved UI appearance.

func addBackButton() {
    let backButton = UIButton(type: .custom)
    if #available(iOS 13.0, *) {
        backButton.setImage(UIImage(systemName: "chevron.left"), for: .normal)
    }
    else {
        backButton.setImage(UIImage(named: "backChevon"), for: .normal)
    }
    backButton.imageView?.contentMode = .scaleAspectFit
    backButton.setTitle("Back", for: .normal)
    backButton.setTitleColor(backButton.tintColor, for: .normal)
    
    self.navigationItem.leftBarButtonItem = UIBarButtonItem(customView: backButton)
}

How to change back button text in Navigation item to picture in xcode

Add below code in viewDidLoad of viewController where you want to change back button title:

 let backButton = UIBarButtonItem()
 backButton.title = ""
 self.navigationController?.navigationBar.topItem?.backBarButtonItem = backButton

How can I change the font and color of the Navigation Bar back button

It's a UIBarButtonItem so set this property.

init() {
    UIBarButtonItem.appearance().tintColor = .red
    UIBarButtonItem.appearance().setTitleTextAttributes([NSAttributedString.Key.font: UIFont.systemFont(ofSize: 10)], for: .normal)
}

Or you can use this also,

init() {
    let standard = UINavigationBarAppearance()
    
    let button = UIBarButtonItemAppearance(style: .plain)
    button.normal.titleTextAttributes = [NSAttributedString.Key.font: UIFont.systemFont(ofSize: 10), NSAttributedString.Key.foregroundColor: UIColor.red]
    standard.buttonAppearance = button
}

Default text for back button in NavigationView in SwiftUI

I've managed to localize back buttons by providing translations for the Back key in the Localizable.strings file.

I am using SwiftUI though.

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