Скачать или смотреть How to Add a Border for Specific Sides in SwiftUI

Discover how to customize borders in SwiftUI by applying them to specific edges of a rectangle. Learn how to enhance your UI effortlessly!
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This video is based on the question https://stackoverflow.com/q/62755438/ asked by the user 'Saranjith' ( https://stackoverflow.com/u/5215474/ ) and on the answer https://stackoverflow.com/a/62755814/ provided by the user 'Asperi' ( https://stackoverflow.com/u/12299030/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Mastering Borders in SwiftUI

When designing user interfaces in SwiftUI, you might find yourself needing to create visually appealing components that require specific styling, such as borders. A common scenario is wanting to add borders to only some sides of a rectangle. In this guide, we’ll explore how to achieve that elegant design by customizing borders in SwiftUI.

The Problem

You might start with a simple rectangle that has borders applied to all sides. The following piece of code illustrates this:

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

While this works well, you might not want borders on all sides. Instead, you may want them on just specific sides of the rectangle. For instance, you could want to emphasize the left and right sides while keeping the top and bottom without borders.

The Solution

To add a border to specific sides of a rectangle in SwiftUI, the key is to explicitly specify the edges you want to modify. This can be done using the padding() method, where you can specify the edges that require padding.

Here’s How You Can Do It

To create a rectangle with borders only on the left and right sides, you can modify your code like this:

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

Breakdown of the Code

Rectangle Creation: The Rectangle() keyword is used to create a rectangle shape.

Overlay: The .overlay() modifier is applied to add a second rectangle that acts as the border in the specified areas.

Fill Color: The inner rectangle is filled with Color.white, which will be visible through the padding applied.

Specific Padding: The .padding([.leading, .trailing], 2) applies a padding of 2 points to only the leading (left) and trailing (right) edges, effectively creating the border for those sides.

Foreground Color: Finally, the main rectangle’s foreground color is set to Color.red which will be noticeable against the white border.

Why This Works

Using specific padding on edges allows for flexible designs. Instead of using padding for all sides, this approach reduces unnecessary space where you don’t want a border, making your UI elements cleaner and more focused.

Conclusion

Customizing borders on specific sides of a rectangle in SwiftUI can significantly enhance the visual appeal of your application. By using the padding method with explicitly defined edges, you maintain control over the aesthetics of your UI components.

Feel free to experiment with different edge configurations and colors to find the styling that best suits your application. Happy coding!