Configuração do chat no aplicativo: suporte dentro do seu aplicativo, sem SDK

import UIKit
import WebKit

final class SupportViewController: UIViewController {
  private let webView = WKWebView(frame: .zero, configuration: WKWebViewConfiguration())

  override func viewDidLoad() {
    super.viewDidLoad()
    webView.frame = view.bounds
    webView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
    webView.scrollView.bounces = false
    view.addSubview(webView)

    var url = URLComponents(string: "https://support.yourbrand.com/chat")!
    url.queryItems = [
      URLQueryItem(name: "token_id", value: user.supportToken),
      URLQueryItem(name: "email", value: user.email),
      URLQueryItem(name: "name", value: user.fullName)
    ]
    webView.load(URLRequest(url: url.url!))
  }
}

class SupportActivity : AppCompatActivity() {
  override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    val webView = WebView(this)
    setContentView(webView)

    webView.settings.javaScriptEnabled = true
    webView.settings.domStorageEnabled = true   // keeps the conversation across launches
    webView.webViewClient = WebViewClient()     // keep navigation inside the WebView

    val url = Uri.parse("https://support.yourbrand.com/chat")
      .buildUpon()
      .appendQueryParameter("token_id", user.supportToken)
      .appendQueryParameter("email", user.email)
      .appendQueryParameter("name", user.fullName)
      .build()
    webView.loadUrl(url.toString())
  }
}

import { SafeAreaView } from 'react-native'
import { WebView } from 'react-native-webview'

const params = new URLSearchParams({
  token_id: user.supportToken,
  email: user.email,
  name: user.fullName
})

export function SupportScreen() {
  return (
    <SafeAreaView style={{ flex: 1 }}>
      <WebView
        source={{ uri: `https://support.yourbrand.com/chat?${params}` }}
        javaScriptEnabled
        domStorageEnabled
        originWhitelist={['https://support.yourbrand.com/*']}
      />
    </SafeAreaView>
  )
}