> For the complete documentation index, see [llms.txt](https://docs.livecaller.io/livecaller/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.livecaller.io/livecaller/mobile-sdks/webview-ios-swiftui.md).
# WebView iOS SwiftUI
## LiveCaller Chat Widget Integration (iOS SwiftUI)
This guide explains how to embed the LiveCaller chat widget into an iOS SwiftUI app using **WKWebView**.
***
## 🏠 Home Screen
Home Screen with Chat Navigation:
```swift
import SwiftUI
struct HomeView: View {
var body: some View {
NavigationView {
VStack {
Text("Home")
.font(.largeTitle)
.padding()
NavigationLink(destination: ChatView()) {
Text("Open Chat")
.foregroundColor(.white)
.padding()
.background(Color.blue)
.cornerRadius(8)
}
}
.navigationTitle("Home")
}
}
}
```
***
## 💬 Chat Screen
Loads the chat and handles errors with overlays.
```swift
struct ChatView: View {
@State private var isLoading = true
@State private var errorMessage: String?
var body: some View {
ZStack {
WebView(htmlString: chatHtml, isLoading: $isLoading, errorMessage: $errorMessage)
.opacity(errorMessage == nil ? 1 : 0)
if isLoading {
VStack {
ProgressView()
.progressViewStyle(CircularProgressViewStyle())
Text("Loading chat...")
.padding(.top, 8)
}
.frame(maxWidth: .infinity, maxHeight: .infinity)
.background(Color.white)
}
if let error = errorMessage {
VStack(spacing: 16) {
Image(systemName: "exclamationmark.triangle.fill")
.resizable()
.frame(width: 64, height: 64)
.foregroundColor(.red)
Text(error)
.multilineTextAlignment(.center)
Button("Retry") {
errorMessage = nil
isLoading = true
}
.padding()
.background(Color.blue)
.foregroundColor(.white)
.cornerRadius(8)
}
.frame(maxWidth: .infinity, maxHeight: .infinity)
.background(Color.white)
}
}
.navigationTitle("LiveCaller Chat")
.navigationBarTitleDisplayMode(.inline)
}
}
```
***
## 🌐 WebView Wrapper
Handles the response for loading the chat HTML.
```swift
import WebKit
struct WebView: UIViewRepresentable {
let htmlString: String
@Binding var isLoading: Bool
@Binding var errorMessage: String?
func makeCoordinator() -> Coordinator {
Coordinator(self)
}
func makeUIView(context: Context) -> WKWebView {
let configuration = WKWebViewConfiguration()
configuration.preferences.javaScriptEnabled = true
let webView = WKWebView(frame: .zero, configuration: configuration)
webView.navigationDelegate = context.coordinator
webView.loadHTMLString(htmlString, baseURL: URL(string: "https://cdn.livecaller.io"))
return webView
}
func updateUIView(_ uiView: WKWebView, context: Context) {}
class Coordinator: NSObject, WKNavigationDelegate {
var parent: WebView
init(_ parent: WebView) {
self.parent = parent
}
func webView(_ webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!) {
parent.isLoading = true
parent.errorMessage = nil
}
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
parent.isLoading = false
}
func webView(_ webView: WKWebView, didFail navigation: WKNavigation!, withError error: Error) {
parent.isLoading = false
parent.errorMessage = "Failed to load chat: \(error.localizedDescription)"
}
func webView(_ webView: WKWebView, didFailProvisionalNavigation navigation: WKNavigation!, withError error: Error) {
parent.isLoading = false
parent.errorMessage = "Failed to load chat: \(error.localizedDescription)"
}
func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction) -> WKNavigationActionPolicy {
if let url = navigationAction.request.url?.absoluteString,
url.starts(with: "https://cdn.livecaller.io") ||
url.starts(with: "https://livecaller.io") ||
url.starts(with: "data:") {
return .allow
}
return .cancel
}
}
}
```
***
## 📄 LiveCaller HTML
```swift
LiveCaller Chat
Initializing LiveCaller...
```
***
---
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