Communicate between Javascript & WebView

public class WebViewInterface{
    @JavascriptInterface
    public void methodToBeCalledFromJavascript(){

    }
}

class WebViewInterface {
    @JavascriptInterface
    fun methodToBeCalledFromJavascript() {
      
    }
}

WebViewInterface interface = new WebViewInterface();
webView.addJavascriptInterface(interface, "NativeAndroid");

val interface = WebViewInterface()
webView.addJavascriptInterface(interface, "NativeAndroid")

NativeAndroid.methodToBeCalledFromJavascript();

String script = "window.updateFromNative(" + eventData + ");";
webView.evaluateJavascript(script, null);

val script = "window.updateFromNative($event);"
webView.evaluateJavascript(script, null)

window.updateFromNative = function (nativeData) {

};