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I would like to preemptively get the HTML code of a webpage that is to be loaded in a webView , parse it using regex, and display only the HTML code that I want, while letting the webpage still think it has loaded everything. Is there any way to do that in the WebViewClient.onLoadResource() or similar methods? EDIT: I tried this: class MyJavaScriptInterface { @SuppressWarnings("unused") public void showHTML(String html, Context context) { new AlertDialog.Builder(context) .setTitle("HTML") .setMessage(html) .setPositiveButton(android.R.string.ok, null) .setCancelable(false) .create(); pageHTML = html; } } @Override public void customizeWebView(final ServiceCommunicableActivity activity, final WebView webview, final SearchResult mRom) { mRom.setFileSize(getFileSize(mRom.getURLSuffix())); webview.getSettings().setJavaScriptEnabled(true); MyJavaScriptInterface interfaceA = new MyJavaScriptInterface(); webview.addJavascriptInterface(interfaceA, "HTMLOUT"); WebViewClient anchorWebViewClient = new WebViewClient() { @Override public void onPageFinished(WebView view, String url) { /* This call inject JavaScript into the page which just finished loading. */ webview.loadUrl("javascript:window.HTMLOUT.showHTML('<head>'+document.getElementsByTagName('html')[0].innerHTML+'</head>');"); Pattern pattern = Pattern.compile("<h2>Winning Sc.+</h2></div>(.+)<br>", Pattern.DOTALL); Matcher matcher = pattern.matcher(pageHTML); matcher.find(); The interface is never called

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