PostRequestAsyncTask.java

private class PostRequestAsyncTask extends AsyncTask<String, Void, Boolean> {

        @Override
        protected void onPreExecute() {
            pd = ProgressDialog.show(NewLinkedInIntegration.this, "", "Loading", true);
        }

        @Override
        protected Boolean doInBackground(String... urls) {
            if (urls.length > 0) {
                String url = urls[0];
                HttpClient httpClient = new DefaultHttpClient();
                HttpPost httpost = new HttpPost(url);
                try {
                    HttpResponse response = httpClient.execute(httpost);
                    if (response != null) {
                        //If status is OK 200
                        if (response.getStatusLine().getStatusCode() == 200) {
                            String result = EntityUtils.toString(response.getEntity());
                            JSONObject resultJson = new JSONObject(result);
                            int expiresIn = resultJson.has("expires_in") ? resultJson.getInt("expires_in") : 0;
                            String accessToken = resultJson.has("access_token") ? resultJson.getString("access_token") : null;
                            Log.e("Tokenm", "" + accessToken);
                            if (expiresIn > 0 && accessToken != null) {
                                Log.i("Authorize", "This is the access Token: " + accessToken + ". It will expires in " + expiresIn + " secs");
                                Calendar calendar = Calendar.getInstance();
                                calendar.add(Calendar.SECOND, expiresIn);
                                long expireDate = calendar.getTimeInMillis();
                                SharedPreferences preferences = NewLinkedInIntegration.this.getSharedPreferences("user_info", 0);
                                SharedPreferences.Editor editor = preferences.edit();
                                editor.putLong("expires", expireDate);
                                editor.putString("accessToken", accessToken);
                                editor.commit();

                                return true;
                            }
                        }
                    }
                } catch (IOException e) {
                    Log.e("Authorize", "Error Http response " + e.getLocalizedMessage());
                } catch (ParseException e) {
                    Log.e("Authorize", "Error Parsing Http response " + e.getLocalizedMessage());
                } catch (JSONException e) {
                    Log.e("Authorize", "Error Parsing Http response " + e.getLocalizedMessage());
                }
            }
            return false;
        }

        @Override
        protected void onPostExecute(Boolean status) {
            if (pd != null && pd.isShowing()) {
                pd.dismiss();
            }
            if (status) {
                SharedPreferences preferences = NewLinkedInIntegration.this.getSharedPreferences("user_info", 0);
                accessToken = preferences.getString("accessToken", null);
                try {
                    if (accessToken != null) {
                        new GetProfileRequestAsyncTask().execute(profileUrl);
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }

    }