WebView获得头文件

private WebView webview; 
public void onCreate(Bundle icicle){ 
   
    webview = new WebView(this); 
    webview.setWebViewClient(new YourWebClient()); 
} 
 
private class YourWebClient extends WebViewClient{ 
 
      public boolean  shouldOverrideUrlLoading  (WebView  view, String  urlConection){ 
     
        URL url; 
        URLConnection conexion; 
        try { 
            url = new URL(urlConection); 
            conexion = url.openConnection(); 
            conexion.setConnectTimeout(3000); 
            conexion.connect(); 
            // get the size of the file which is in the header of the request 
            int size = conexion.getContentLength(); 
        } 
 
 
               String htmlContent = ""; 
        HttpGet httpGet = new HttpGet(urlConection); 
        // this receives the response 
        HttpResponse response; 
        try { 
            response = httpClient.execute(httpGet); 
            if (response.getStatusLine().getStatusCode() == 200) { 
                // la conexion fue establecida, obtener el contenido 
                HttpEntity entity = response.getEntity(); 
                if (entity != null) { 
                    InputStream inputStream = entity.getContent(); 
                    htmlContent = convertToString(inputStream); 
                } 
            } 
         } catch (Exception e) {} 
 
         webview.loadData(htmlContent, "text/html", "utf-8"); 
         return true; 
    } 
 
    public String convertToString(InputStream inputStream){ 
        StringBuffer string = new StringBuffer(); 
        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream)); 
        String line; 
        try { 
            while ((line = reader.readLine()) != null) { 
                string.append(linea + "\n"); 
            } 
        } catch (IOException e) {} 
        return string.toString(); 
    } 
}