How to call JSON Api Post Response PostLibResponse.java Post Listner LibPostListner.java Calling API private PostLibResponse postRequest; static final int REQUEST_CODE = 1 Map<String, String> parmas = new HashMap<>(); parmas.put("user_id", userId); postRequest = new PostLibResponse(EntertainmentActivity.this, new EntertainmentDataModel(), EntertainmentActivity.this, parmas, URL, REQUEST_CODE); @Override public void onPostResponseComplete(Object clsGson, int requestCode) { dismissProgress(); if (requestCode == REQUEST_CODE) { if (clsGson != null) { mDataModel = (DataModel) clsGson; if () { success } else { error } } else { alertError("Something is wrong"); } } } @Override public void onPostRe