public String connect_url(String uri) {
        String result = "";
        try {
            URL url = new URL(uri);
            //File f = new File("Kana_Hanazawa");
            URLConnection urlc = url.openConnection();
            BufferedReader buffer = new BufferedReader(new InputStreamReader(urlc.getInputStream()));
            //BufferedReader buffer = new BufferedReader(new FileReader(f));
            StringBuilder sb = new StringBuilder();
            String str;
            while ((str = buffer.readLine()) != null) {
                sb.append(str);
            }
            result = sb.toString();

        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }