diegolmello/README.md

## README.md

      
    Raw
  

              README.md
            
          
    Docs

Make sure to read https://developer.rocket.chat/rocket.chat/iframe-integration/adding-a-rocket.chat-chat-room-to-your-web-app
There are two important settings there:

Administration > Settings > General > Restrict access to any iframe needs to be disabled
Administration > Settings > General > iframe Integration > Enable Receive needs to be enabled
Keep Receive Origins as *

Xcode


Open Xcode and create a new iOS project.
Choose the "App" template and click "Next."
Enter your project details and make sure Swift is selected as the language.
Go to ViewController.swift and overwrite it with the code below
Make sure to a valid user token on YOUR_TOKEN_HERE

Env

Xcode 15.3
Macbook Pro M1 Pro


## ViewController.swift
//
//  ViewController.swift
//  WKWebViewExample
//
//  Created by Diego Mello on 3/19/24.
//

import UIKit
import WebKit

class ViewController: UIViewController, WKNavigationDelegate {

    var webView: WKWebView!

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.

        let myURL = URL(string: "https://mobile.rocket.chat/channel/general?layout=embedded")
        let myRequest = URLRequest(url: myURL!)
        webView.load(myRequest)
    }

    override func loadView() {
        let webConfiguration = WKWebViewConfiguration()
        webView = WKWebView(frame: .zero, configuration: webConfiguration)
        webView.navigationDelegate = self
        view = webView
    }

    func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
        // JavaScript code to post a message
        let js = "window.postMessage({ externalCommand:'login-with-token', token: 'YOUR_TOKEN_HERE' });"

        // Delay the JavaScript injection by 300 milliseconds
        DispatchQueue.main.asyncAfter(deadline: .now() + 0.3) {
            webView.evaluateJavaScript(js) { (result, error) in
                if let error = error {
                    print("JavaScript injection error: \(error)")
                } else {
                    print("JavaScript injected successfully")
                }
            }
        }
    }
}
	//
	// ViewController.swift
	// WKWebViewExample
	//
	// Created by Diego Mello on 3/19/24.
	//

	import UIKit
	import WebKit

	class ViewController: UIViewController, WKNavigationDelegate {

	var webView: WKWebView!

	override func viewDidLoad() {
	super.viewDidLoad()
	// Do any additional setup after loading the view.

	let myURL = URL(string: "https://mobile.rocket.chat/channel/general?layout=embedded")
	let myRequest = URLRequest(url: myURL!)
	webView.load(myRequest)
	}

	override func loadView() {
	let webConfiguration = WKWebViewConfiguration()
	webView = WKWebView(frame: .zero, configuration: webConfiguration)
	webView.navigationDelegate = self
	view = webView
	}

	func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
	// JavaScript code to post a message
	let js = "window.postMessage({ externalCommand:'login-with-token', token: 'YOUR_TOKEN_HERE' });"

	// Delay the JavaScript injection by 300 milliseconds
	DispatchQueue.main.asyncAfter(deadline: .now() + 0.3) {
	webView.evaluateJavaScript(js) { (result, error) in
	if let error = error {
	print("JavaScript injection error: \(error)")
	} else {
	print("JavaScript injected successfully")
	}
	}
	}
	}
	}
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