task = new LoadJsonTask(new MyJsonResponseListner() {
            @Override
            public void onJsonResponseChange(String string) {
                Log.d("debtors", string);
                try {
                    JSONObject job = new JSONObject(string);
                    String responseType = job.getString("response");
                    StringBuilder stringBuilder = new StringBuilder();
                    if (responseType.equals("success")) {
                        JSONArray debtorsJsonArray = new JSONArray(job.getString("debtors"));
                        for (int i = 0; i < debtorsJsonArray.length(); i++) {
                            JSONObject jsonArrayObj = debtorsJsonArray.getJSONObject(i);
                            stringBuilder.append(jsonArrayObj.getString("Id")+ " ");
                            stringBuilder.append(jsonArrayObj.getString("Name")+ " ");
                            stringBuilder.append(jsonArrayObj.getString("Phone")+ " ");
                            stringBuilder.append(jsonArrayObj.getString("Photo")+ " ");
                        }
                        Log.d("debtors", stringBuilder.toString());
                        textView.setText(stringBuilder.toString());
                    }
                } catch (Exception e) {
                }
            }
        });