Automatic login for Flarum in an Android WebView

script.java

        WebView myWebView = (WebView) findViewById(R.id.webview);
        myWebView.getSettings().setJavaScriptEnabled(true);
        myWebView.getSettings().setDomStorageEnabled(true);

        myWebView.setWebViewClient(new WebViewClient(){
            @Override
            public void onPageFinished(WebView view, String url) {
                super.onPageFinished(view, url);
                view.loadUrl(
                        "javascript:(function() { " +
                                 "var identification = 'dummyusername';" +
                                 "var password = 'dummypassword';" +
                                 "var remember = 'true';" +
                                 "if (!user) {app.session.login({identification: identification,password: password,remember: remember},{errorHandler: console.log('error')}).then(function () {return window.location.reload();})};" +
                                 "})()");
            }
        });

        myWebView.loadUrl("https://forum.selfpainrelief.eu");