SwiftUI - Show alert when go to new page

Question

Created May ’21

Replies 3

Boosts 0

Views 2.4k

Participants 2

I want an alert to be displayed when the user is moved to a new page without any action and quickly.
I use NavigationLink

I try for this

Code Block @State private var showAlert = true

but there was no result
you can help me ?

Answered by miladsoftware in 675506022

I was solve with this code changes

Code Block struct SecondView: View {
    @State var showAlert = false 
    
    var body: some View {
        // i want to show alert when navigate to this view
        VStack{
            Text("Second View")
                .alert(isPresented: $showAlert) {
                    Alert(title: Text("You are in second view"))
                }
        }.onAppear{
          showAlert = true
        }
    }
}

thanks all

Boost

Answer 1

Claude31 OP

May ’21

Please show more code, this is not enough.

0

Answer 2

miladsoftware OP

May ’21

ContentView.swift

Code Block struct ContentView: View {
    var body: some View {
        VStack{
            NavigationLink(destination: SecondView()){
                Text("Go to second view")
            }
        }
    }
}

SecondView.swift

Code Block struct SecondView: View {
    @State var showAlert = true
    
    var body: some View {
        // i want to show alert when navigate to this view
        VStack{
            Text("Second View")
                .alert(isPresented: $showAlert) {
                    Alert(title: Text("You are in second view"))
                }
        }
    }
}

0

Answer 3

miladsoftware OP

May ’21

Accepted Answer

I was solve with this code changes

Code Block struct SecondView: View {
    @State var showAlert = false 
    
    var body: some View {
        // i want to show alert when navigate to this view
        VStack{
            Text("Second View")
                .alert(isPresented: $showAlert) {
                    Alert(title: Text("You are in second view"))
                }
        }.onAppear{
          showAlert = true
        }
    }
}

thanks all

0