Скачать или смотреть How to Change the Back Button Tint Color in a UINavigationController

Discover how to customize the `back button tint color` for specific view controllers in your iOS app without affecting others.
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This video is based on the question https://stackoverflow.com/q/69796592/ asked by the user 'Chamoy' ( https://stackoverflow.com/u/16226804/ ) and on the answer https://stackoverflow.com/a/70077912/ provided by the user 'SEUNGHWAN LEE' ( https://stackoverflow.com/u/17304430/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Change the Back Button Tint Color in UINavigationController

When developing an iOS application, you may find the need to customize the appearance of navigation elements, particularly the back button. A common question among developers is: How can I change the back button tint color for a specific navigation controller?

This feature can help create a more cohesive and branded user interface. In this guide, we’ll take an in-depth look at how to accomplish this in Swift and UIKit.

The Problem

In your attempts to modify the back button tint color, you may have used code that looks like this:

[[See Video to Reveal this Text or Code Snippet]]

While this method seems like a straightforward solution, it inadvertently applies the tint color to the back button across all view controllers linked by that navigation controller. If you want to change the tint color only for certain view controllers, you’ll need a different approach.

The Solution

To achieve a custom back button tint color for specific view controllers without affecting the overall navigation controller, follow the steps below:

1. Set the Tint Color in viewDidLoad

In your view controller, you can modify the navigation bar’s tintColor at the point the view loads. Use the following code snippet:

[[See Video to Reveal this Text or Code Snippet]]

2. Understanding the Code

navigationController?.navigationBar.tintColor = .red: This line sets the tint color of the navigation bar for the current view controller to red. This will change the back button's color as well as any other items in the navigation bar.

willMove(toParent:): This method is called when the view controller is about to be removed from its parent. By resetting the tint color here, you ensure that when navigating back, the previous view controller's back button will return to its original color (e.g., system blue).

3. Customizing Different View Controllers

To have varying tint colors for different view controllers, simply replicate the above method in each relevant view controller and change the color as needed. For example:

[[See Video to Reveal this Text or Code Snippet]]

Final Thoughts

Customizing the back button tint color is a small yet effective way to enhance user experience in an iOS application. The method explained allows you to maintain independent styling for each view controller with minimal impact on others. By following the steps outlined in this blog, you'll be able to adapt your navigation appearance easily and elegantly.

Feel free to experiment with different colors to find the best fit for your app’s theme! Happy coding!