code: private String getAssetAsString(String url)
     {
        InputStream is = null;
        try
        {
           is = assetManager.open(url);
  
           Reader r = new InputStreamReader(is, Charset.forName("UTF-8"));
           char[]         buffer = new char[4096];
           StringBuilder  sb = new StringBuilder();
           int            len = r.read(buffer);
           while (len > 0) {
              sb.append(buffer, 0, len);
              len = r.read(buffer);
           }
           return sb.toString();
        }
        catch (IOException e)
        {
           return null;
        }
        finally {
           try {
              if (is != null)
                 is.close();
           } catch (IOException e) {
             // Do nothing
           }
        }
     }
docs: /*
  Read the contents of the asset whose name is given by "url" and return it as a String.