Migrating AppDelegate to SceneDelegate
A detailed guide on migrating from AppDelegate to SceneDelegate for apps adopting the Scene-based architecture introduced in iOS 13.
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The Swift Rivals blog collects practical iOS development articles written for developers who want to understand how real apps are built and maintained. The posts focus on Swift, SwiftUI, UIKit, app architecture, migration work, networking, and patterns that show up in day-to-day iOS projects.
Each article is intended to add context beyond a simple code snippet. You will find explanations of why a pattern is useful, where it can go wrong, and how it fits into a production app. When a topic depends on Apple platform behavior, the article links back to official documentation or uses small examples that are easy to adapt.
What You Can Read Here
- SwiftUI integration and data-flow topics
- UIKit migration and interoperability guides
- App architecture notes such as VIPER, reducers, and state handling
- Networking and environment configuration patterns
- Comparisons that help you choose between Swift language features
Latest Articles
VIPER Architecture with Reducer and State
Explore VIPER architecture with Redux-inspired Reducer and State in a Swift Task List app. Learn modular design, state management, and testing with a full project example.
Guide to create a Network Manager in Swift
Build a NetworkManager in Swift with URLSession and async/await for HTTP requests. Covers GET, DELETE, POST, PATCH with JSON, and UITableView with diffable data source for UI updates. Great for iOS devs!
Difference between some View vs any View
let’s dive into some View vs any View in SwiftUI. Understanding the difference is key to mastering SwiftUI's type system and performance characteristics.
A Comprehensive Guide to Using @Environment in SwiftUI
Discover how to use SwiftUI's `@Environment` to access and manage shared system or custom values for dynamic, scalable apps.
Integrating SwiftUI into UIKit
In this section, we will demonstrate how to integrate SwiftUI views into UIKit using UIHostingController and adding SwiftUI views directly to UIKit components.
Suggested Learning Path
If you are new to the site, start with the Swift and UIKit foundations before reading architecture posts. After that, move into SwiftUI interoperability and app-level patterns:
Last updated: June 27, 2026