Sohu Tech Products

Sep 30, 2020 · Mobile Development

Understanding @State and @Binding in SwiftUI: Usage, Implementation, and Mutable vs Immutable Behavior

In SwiftUI, this article explains the @State and @Binding property wrappers, demonstrates their usage with concrete Swift code, explores why @State works only with value types, shows internal implementation details, and clarifies mutable versus immutable behavior within view structs.