SwiftUI_SampleList

gistfile1.txt

import SwiftUI

struct ContentView: View {

    var body: some View {
        let first = Restaurant(id: 0, name: "0")
        let second = Restaurant(id: 1, name: "1")
        let third = Restaurant(id: 2, name: "2")
        let restaurants = [first, second, third]

        return List(restaurants) { restaurant in
             RestaurantRow(restaurant: restaurant)
        }
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}

struct Restaurant: Identifiable {
    var id = Int()
    var name: String
}

struct RestaurantRow: View {
    var restaurant: Restaurant
     @EnvironmentObject var model: OrientationModel

    var body: some View {
 
        Text("API Something \(self.model.showingAlert[self.restaurant.id])")
            .onTapGesture {
                // API Something
                if self.restaurant.id == 0 {
                    self.model.count_0 += 1
                    self.model.showingAlert[self.restaurant.id] = self.model.count_0
                } else if self.restaurant.id == 1 {
                    self.model.count_1 += 1
                    self.model.showingAlert[self.restaurant.id] = self.model.count_1
                } else if self.restaurant.id == 2 {
                    self.model.count_2 += 1
                    self.model.showingAlert[self.restaurant.id] = self.model.count_2
                }
        }
    }
}

final class OrientationModel: ObservableObject {
    @Published var count_0 = 0
    @Published var count_1 = 1
    @Published var count_2 = 2
    @Published var showingAlert = [0,1,2]
}

SceneDelegate

func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
        // Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`.
        // If using a storyboard, the `window` property will automatically be initialized and attached to the scene.
        // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead).

        // Create the SwiftUI view that provides the window contents.
        let contentView = ContentView()
        let settings = OrientationModel() 

        // Use a UIHostingController as window root view controller.
        if let windowScene = scene as? UIWindowScene {
            let window = UIWindow(windowScene: windowScene)
            window.rootViewController = UIHostingController(rootView: contentView.environmentObject(settings))
            self.window = window
            window.makeKeyAndVisible()
        }
    }