В чем разница между (@StateObject и @StateObject) и (@StateObject и @ObservedObject) в родительском и дочернем представл ⇐ IOS

[Anonymous]

@StateObject и @StateObject как в родительском, так и в дочернем представлении

Код: Выделить всё

import SwiftUI

class Counter: ObservableObject {
@Published var count: Int = 0

func increment() {
count += 1
}
}

struct ContentView: View {
@StateObject private var counter : Counter = Counter()

var body: some View {
VStack {
Text("Parent Counter: \(counter.count)")
Button("Increment Child Counter") {
counter.increment()
}
ChildView(counter: counter)
}
}
}

struct ChildView: View {
@StateObject var counter: Counter

var body: some View {
VStack {
Text("Child Counter: \(counter.count)")
Button("Increment Child Counter") {
counter.increment()
}
}
}
}

struct RandomNumberView: View {
@State var randomNumber = 0

var body: some View {
VStack {
Text("Random number is: \(randomNumber)")
Button("Randomize number") {
randomNumber = (0..

Источник: [url]https://stackoverflow.com/questions/78158469/what-is-the-difference-between-stateobject-stateobject-and-stateobject[/url]