getJsonData

 public String GetJsonData(String _url) throws IOException
    {
        StringBuilder sb = new StringBuilder();
        URL uri = new URL(_url); // Veri urlniz
        HttpURLConnection urlConnection = (HttpURLConnection) uri.openConnection();

        try {
            InputStream in = new BufferedInputStream(urlConnection.getInputStream());
            BufferedReader bin = new BufferedReader(new InputStreamReader(in));
            String inputLine;

            while ((inputLine = bin.readLine())!= null)
            {
                sb.append(inputLine);
            }
        }
        finally
        {
            urlConnection.disconnect();
        }
Log.d("çıktı",sb.toString());
        return sb.toString();
    }