SwiftUI BasicsLesson 41Free preview

SwiftUI Intro

This lesson is part of Swift · All levels

Summary

This lesson introduces SwiftUI, Apple's modern declarative UI framework to build user interfaces across iOS, macOS, watchOS, and tvOS platforms. Instead of manipulating the view imperatively as in UIKit, the developer simply declares its view and behavior based on the current state of data. SwiftUI automatically updates the UI as the data changes.

Key points

SwiftUI is a modern declarative UI framework based on the Swift language
A single display code base can be used across devices (iOS, iPadOS, macOS, watchOS)
The View in SwiftUI is a lightweight struct that adopts the View protocol.
The UI automatically reacts to a change in data state (reactive data-driven UI)

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