public void login(View v) {

    InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
    imm.hideSoftInputFromWindow(rlayout.getWindowToken(), 0);


    loginWebView.loadUrl("https://lmg-nhs.de/index.php");
    loginWebView.setVisibility(View.INVISIBLE);
    loginWebView.setWebViewClient(new WebViewClient() {

        public void onPageFinished(WebView view, String url) {
            loginWebView.loadUrl("javascript: {" +
                    "document.getElementById('login_act').value = '" + "USNAME" + "';" +
                    "document.getElementById('login_pwd').value = '" + "PWD" + "';" +
                    "document.getElementById('submit').click();" +
                    "};");
        }

        public void onPageFinished2(WebView view, String url) {
            loginWebView.loadUrl(url);
        }
    });

    loginWebView.clearCache(true);
    loginWebView.clearHistory();







WebView view = (WebView) this.findViewById(R.id.mainwebView);

String url = "https://lmg-nhs.de/idesk/";
view.loadUrl(url);