hello I am trying to add a slideshow to my app but I am getting 2 error messages and 1 warning the code is as follows:
// ContentView.swift
// BEMCO iOS
//
// Created by Lewis Dunn on 06/01/2023.
//
import SwiftUI
import WebKit
import UIKit
struct ContentView_Previews: PreviewProvider {
static var previews: some View {
ContentView()
}
}
struct MainView : View {
var body : some View {
VStack {
}
}
struct MainViewController : UIViewControllerRepresentable {
func makeUIViewController(context: UIViewControllerRepresentableContext<MainViewController>) -> UIHostingController<MainView> {
return UIHostingController(rootView: MainView())
}
func updateUIViewController(_ uiViewController: UIHostingController<MainView>, context: UIViewControllerRepresentableContext<MainViewController>) {
let viewController = UIHostingController<MainViewController>(rootView:MainViewController())}
}
}
struct ContentView: View {
let webView = WebView(request: URLRequest(url: URL(string: "https://www.bemcouk.com")!))
var body: some View {
VStack {
webView
HStack {
Button(action: {
self.webView.goBack()
}) {
Image(systemName: "arrowshape.left")
.font(.title)
.foregroundColor(.blue)
}
Spacer()
Button(action: {
self.webView.goHome()
}) {
Image(systemName: "house.fill")
.font(.title)
.foregroundColor(.blue)
}
Spacer()
Button(action: {
self.webView.goForward()
}) {
Image(systemName: "arrowshape.right")
.font(.title)
.foregroundColor(.blue)
}
}
}
}
}
struct WebView: UIViewRepresentable **{**2 errors are here _"UIViewRepresentable' requires the types 'some View' and 'Never' be equivalent _ and the other error is _"Type 'WebView' does not conform to protocol 'UIViewRepresentable'_**
let request: URLRequest
private var webView: WKWebView?
init (request: URLRequest) {
self.webView = WKWebView()
self.request = request
}
func makeUIView(context: Context) -> WKWebView {
return webView!
}
func updateUIView(_ uiView: WKWebView, context: Context) {
uiView.load(request)
}
func goBack() {
webView?.goBack()
}
func goForward() {
webView?.goForward()
}
func goHome() {
webView?.load(request)
}
@State private var currentIndex = 0
let images : [String] = ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19"]
let imagesCount = 19
var body : some View {
VStack {
Image(images[currentIndex])
.resizable()
.scaledToFit()
HStack{
ForEach(0..<imagesCount){ index in **warning is here. Non-constant range: argument must be an integer literal**
Circle()
.fill(self.currentIndex == index ? Color.gray : Color.blue)
.frame(width: 10, height: 10)
}
}
.onAppear{
print("Appear")
// We are going to use Timers
Timer.scheduledTimer(withTimeInterval: 2, repeats: true){ timer in
if self.currentIndex + 1 == self.images.count{
self.currentIndex = 0
}else{
self.currentIndex += 1
}
}
}
}
}
}