SwiftUI: Sheet cannot show correct values in first time - ios

Question

I found strange behavior in SwiftUI.
The sheet shows empty text when I tap a list column first time.
It seems correct after second time.
Would you help me?
import SwiftUI
let fruits: [String] = [
"Apple",
"Banana",
"Orange",
]
struct ContentView: View {
#State var isShowintSheet = false
#State var selected: String = ""
var body: some View {
NavigationView {
List(fruits, id: \.self) { fruit in
Button(action: {
selected = fruit
isShowintSheet = true
}) {
Text(fruit)
}
}
}
.sheet(isPresented: $isShowintSheet, content: {
Text(selected)
})
}
}
struct ContentView_Previews: PreviewProvider {
static var previews: some View {
ContentView()
}
}
list
first tap
after second tap

Answer 1

Use .sheet(item:) instead. Here is fixed code.
Verified with Xcode 12.1 / iOS 14.1
struct ContentView: View {
#State var selected: String?
var body: some View {
NavigationView {
List(fruits, id: \.self) { fruit in
Button(action: {
selected = fruit
}) {
Text(fruit)
}
}
}
.sheet(item: $selected, content: { item in
Text(item)
})
}
}
extension String: Identifiable {
public var id: String { self }
}

Answer 2

Thank you, Omid.
I changed my code from Asperi's code using #State like this.
import SwiftUI
struct Fruit: Identifiable, Hashable {
var name: String
var id = UUID()
}
let fruits: [Fruit] = [
Fruit(name: "Apple"),
Fruit(name: "Banana"),
Fruit(name: "Orange"),
]
struct ContentView: View {
#State var selected: Fruit?
var body: some View {
NavigationView {
List(fruits, id: \.self) { fruit in
Button(action: {
selected = fruit
}) {
Text(fruit.name)
}
}
}
.sheet(item: $selected, content: { item in
Text(item.name)
})
}
}