Webview de User-Agent Nasıl Değiştiricem ?

 public boolean onDrawerItemSelected(View view, int position) {
        String url = Config.URLS[position];
               if (WebToAppWebClient.urlShouldOpenExternally(url)){
            try {
                view.getContext().startActivity(
                        new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
            } catch(ActivityNotFoundException e) {
                if (url.startsWith("intent://")) {
                    view.getContext().startActivity(
                            new Intent(Intent.ACTION_VIEW, Uri.parse(url.replace("intent://", "http://"))));
                } else {
                    Toast.makeText(this, getResources().getString(R.string.no_app_message), Toast.LENGTH_LONG).show();
                }
            }
            return false;

webView.LoadURL()

webView.getSettings().setUserAgentString("Buraya kullanmak istediğin UserAgent yaz ");

WebView ahmet;

private WebView ahmet;