Bridging the Gap: Integrating SwiftUI with UIKit Using UIHostingController

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Introduction

With the introduction of SwiftUI, Apple has provided developers with a modern way to build user interfaces across all Apple platforms. However, many apps are still built using UIKit, and a complete rewrite might not be feasible. This is where UIHostingController comes into play, acting as a bridge that allows you to integrate SwiftUI views into your existing UIKit apps seamlessly. In this blog post, we’ll explore how to use UIHostingController to marry the old with the new.

What is UIHostingController?

UIHostingController is a class provided by Apple that allows you to embed SwiftUI views within a UIKit-based application. This enables developers to gradually adopt SwiftUI in their existing projects or add SwiftUI views to specific parts of their UIKit apps.

Key Features of UIHostingController

• Initialization: You can initialize UIHostingController with any SwiftUI view.
• Integration with UIKit: Easily present or add the hosting controller to your view hierarchy.
• Updating Views: Dynamically update the SwiftUI view being displayed.
• Layout Management: Adhere to UIKit’s layout…