How to respond to view lifecycle events in SwiftUI?

Question

How to respond to view lifecycle events in SwiftUI?

onAppear()
onDisappear()

XCode Version: 12.0

Answer 1

Like this way :

VStack {
   Text("Hello World") 
}.onAppear {
    print("ContentView appeared!")
}.onDisappear {
    print("ContentView disappeared!")
}