import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.util.Log;
import org.json.JSONObject;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
WebView webView = (WebView)findViewById(R.id.web_view);
webView.loadUrl("https://app-markk.customerglu.com/program"); // webview url
webView.getSettings().setJavaScriptEnabled(true);
webView.addJavascriptInterface(new WebViewJavaScriptInterface(this), "app"); // **IMPORTANT** call it app
}
/*
* JavaScript Interface. Web code can access methods in here
* (as long as they have the @JavascriptInterface annotation)
*/
public class WebViewJavaScriptInterface{
private Context context;
/*
* Need a reference to the context in order to sent a post message
*/
public WebViewJavaScriptInterface(Context context){
this.context = context;
}
/*
* This method can be called from Android. @JavascriptInterface
* required after SDK version 17.
*/
@JavascriptInterface
// **IMPORTANT** call it callback
public void callback(String message){
JSONObject data = new JSONObject(message);
// data has the event information
Log.d(data);
}
}
}
import UIKit
import WebKit
import Foundation
class ViewController: UIViewController , WKScriptMessageHandler{
@IBOutlet weak var mWebKitView: WKWebView!
@IBOutlet weak var mEdtTxt: UITextField!
var mNativeToWebHandler : String = "callback" // **IMPORTANT** call it callback
var webviewUrl: String = "https://app-markk.customerglu.com/program" // webview url
override func viewDidLoad() {
super.viewDidLoad()
let myURL = URL(string: webviewUrl)
let myRequest = URLRequest(url: myURL!)
mWebKitView.load(myRequest)
let contentController = WKUserContentController()
mWebKitView.configuration.userContentController = contentController
mWebKitView.configuration.userContentController.add(self, name: mNativeToWebHandler)
}
// message handler
func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
if message.name == mNativeToWebHandler {
// message.body holds JSON of the event
let jsonMessageString: String = message.body as? String;
let jsonDict = try JSONSerialization.jsonObject(with: jsonMessageString) as? NSDictionary
// // jsonDict has the event information
print(jsonDict)
}
}
}
package com.customerglu.kotlinwebviewnativecomm
import android.content.Context
import android.os.Bundle
import android.webkit.JavascriptInterface
import android.widget.Button
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import kotlinx.android.synthetic.main.activity_main.*
class MainActivity : AppCompatActivity() {
// TODO: Replace url with the url for your program/campaign.
private val url = "<Provide-Your-campaign-url here>"
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
exampleWebView.settings.javaScriptEnabled = true
exampleWebView.addJavascriptInterface(JSComm(this),"app")
exampleWebView.loadUrl(url)
}
/**
* Receive message from webview
*/
class JSComm(val context: Context){
@JavascriptInterface
fun callback(message:String){
// Capture message from webview and print as toast
Toast.makeText(context,message, Toast.LENGTH_LONG).show()
}
}
}
