Swift UI

App Lifecycle in SwiftUI

How SwiftUI apps start, move through foreground/background states, and respond to system events using the App protocol, Scene, and scenePhase.

Buttons and User Input in SwiftUI

Learn how SwiftUI captures user intent through Button, Toggle, Slider, Stepper, and TextField, and how actions drive state changes in a declarative UI.

Common iOS & SwiftUI Pitfalls

Frequent mistakes SwiftUI developers make around state ownership, list identity, concurrency, and view identity, with clear explanations of why they break.

Dependency Injection in SwiftUI

Learn how to supply view models and services to SwiftUI views through initializers and the environment, keeping views testable and decoupled from concrete impl…

iOS & SwiftUI Interview Questions

A curated set of common iOS and SwiftUI interview questions covering state management, concurrency, architecture, and performance, with clear answers.

iOS & SwiftUI Quick Reference

A condensed cheat sheet of core SwiftUI property wrappers, layout containers, navigation APIs, and concurrency tools for quick lookup while coding.

List Performance in SwiftUI

Learn how SwiftUI's List actually renders and recycles rows, and the concrete techniques for keeping scrolling smooth in large or complex data sets.

Modifiers in SwiftUI

How view modifiers work under the hood, why order matters, and how chained modifiers build up new wrapped view types.

MVVM in SwiftUI

Understand how the Model-View-ViewModel pattern maps onto SwiftUI's declarative views, when it earns its complexity, and how it differs from plain @State-drive…

Swift Essentials for SwiftUI

The core Swift language features — structs, protocols, closures, optionals, and property wrappers — that every SwiftUI developer needs to be fluent in.

SwiftUI Previews and UI Testing

Understand how Xcode Previews accelerate SwiftUI development and how XCUITest complements ViewModel unit tests by verifying real UI behavior.

Text and Typography in SwiftUI

How the Text view handles fonts, Dynamic Type, styling, and localization to produce accessible, readable typography.

ViewModel Basics in SwiftUI

A hands-on look at how to actually write, own, and wire up a ViewModel class in a SwiftUI app, using @Observable and @MainActor correctly.

What Is SwiftUI?

An introduction to Apple's declarative UI framework — how it differs from UIKit, its core mental model, and why state drives the interface.