public void getJson() throws Exception {
String post_id = null;
JSONObject obj = new JSONObject(getJsonN());
JSONArray phoneNumbersArr = (JSONArray) obj.get("def");
for (int i = 0; i < phoneNumbersArr.length(); i++) {
post_id = phoneNumbersArr.getJSONObject(i).getString("text");
}
((JSONObject)((JSONArray)object.get("def")).get(0)).get("tr")