Integrating SwiftUI into UIKit Apps

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Table of contents

Introduction
1.SwiftUI essentials
1.1Views and scenes
1.2State and view updates
1.3Data management
1.4View modifiers
1.5Layout
1.6Accessibility
1.7Previews in Xcode
2.SwiftUI in a separate view controller
2.1Presenting UIHostingController programmatically
2.2Setting up Hosting Controller in storyboards
2.3Subclassing UIHostingController
3.SwiftUI in an embedded view
3.1Programmatically embedding a SwiftUI view
3.2Adding a SwiftUI view in storyboards
4.SwiftUI in collection view cells
4.1Creating custom cells using UIHostingConfiguration
4.2Styling collection cells in SwiftUI
4.3Managing cell interactions
5.SwiftUI in widgets
5.1Setting up a widget extension
5.2Supporting multiple widget sizes
5.3Adding Lock Screen widgets
6.UIKit in SwiftUI
6.1Migrating from UIKit to the SwiftUI app lifecycle
6.2Embedding a UIView into SwiftUI
6.3Wrapping a UIViewController into a SwiftUI view
7.SwiftUI integration in iOS 17
7.1Bridging state between UIKit and SwiftUI with Observable
7.2Using traits to pass values to SwiftUI

SwiftUI in an embedded view

adding a SwiftUI view within an existing UIKit controller

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