HttpPost post = new HttpPost(url); StringEntity se = new StringEntity(json[0]); post.setEntity(se); post.setHeader("Accept", "application/json"); post.setHeader("Content-type", "application/json"); return http.execute(post); } catch (Exception e) { e.printStackTrace(); return null; } finally { http.close(); } } protected void onPostExecute(HttpResponse response) { if (response != null) { try { String response_text = convertStreamToString(response.getEntity().getContent()); Log.d(TAG, response_text); Toast.makeText(getApplicationContext(), response_text, Toast.LENGTH_LONG).show();