What is better for complex views, swiftui or uicollectionview

When deciding between SwiftUI and UICollectionView for complex views, it's important to consider the specific needs of your project and the capabilities of each framework.

SwiftUI:

• SwiftUI is a declarative framework that allows you to describe what you want your UI to look like, and it handles the rendering and updates for you. It is designed to work seamlessly across all Apple platforms, making it a great choice for building apps that need to run on multiple devices.
• SwiftUI offers advanced features like custom layouts, animations, and even the ability to use Metal shaders directly in your views. It also provides seamless interoperability with UIKit, allowing you to use UIKit views within SwiftUI and vice versa.
• SwiftUI is particularly strong in scenarios where you want to leverage its declarative syntax and state-driven updates, which can simplify the development process for complex UIs.

UICollectionView:

• UICollectionView is part of UIKit and is a powerful tool for creating complex, highly customizable grid and list layouts. It provides fine-grained control over the layout and behavior of your views, which can be beneficial for highly customized interfaces.
• If your app is heavily reliant on UIKit or requires very specific layout behaviors that are not easily achievable with SwiftUI, UICollectionView might be the better choice.

In summary, if you are building a new app and want to take advantage of SwiftUI's declarative syntax and cross-platform capabilities, SwiftUI is a strong choice. However, if you need precise control over your layout or are working within an existing UIKit-based app, UICollectionView might be more appropriate.

For more insights on SwiftUI's capabilities, you can refer to the SwiftUI essentials session, which discusses its use across all platforms.