class HtmlWebViewClient extends WebViewClient {

    @Override
    public void onPageStarted(WebView view, String url, Bitmap favicon) {
        // If the URL being loaded shares the redirectUrl prefix, open it in the browser.
        if (mRedirectUrl != null && url.startsWith(mRedirectUrl)) {
            view.stopLoading();
            showMoPubBrowserForUrl(url);
        }
    }

      HtmlWebViewClient(HtmlWebViewListener htmlWebViewListener, BaseHtmlWebView htmlWebView, String clickthrough, String redirect);

}