title: Android Facebook sdk, post feed text and picture
body: <p>I have foloving code. I login facebook and get user details, but I need to post some feed on user wall. 
  I dont know how to do it. Please help. Is it posible not to create fragment? I just want to publish story by pressing button. Not Facebook Login Button.</p>
  
  <pre><code> public class FaceBookLogin {
          private Context mContext;
          private MyActivity mActivity;
          private SessionTracker mSessionTracker;
          private PersonResponse mPersonResponse;
          public Session mCurrentSession;
          private boolean pendingPublishReauthorization = false;
  
  
      public FaceBookLogin(Context context, MyActivity activity) {
          mContext = context;
          mActivity = activity;
          mPersonResponse = new PersonResponse();
      }
  /*login facebook*/
      public void FbLogin() {
          mSessionTracker = new SessionTracker(mContext, new Session.StatusCallback() {
              @Override
              public void call(Session session, SessionState state, Exception exception) {
  
              }
          }, null, false);
  
          mCurrentSession = mSessionTracker.getSession();
  
          if(mCurrentSession == null || mCurrentSession.getState().isClosed()) {
              mSessionTracker.setSession(null);
              Session session = new Session.Builder(mContext).setApplicationId(Constants.APP_ID).build();
              Session.setActiveSession(session);
              mCurrentSession = session;
          }
  
          if(!mCurrentSession.isOpened()) {
              Session.OpenRequest openRequest = null;
              openRequest = new Session.OpenRequest(mActivity);
              if(openRequest != null) {
                  openRequest.setDefaultAudience(SessionDefaultAudience.FRIENDS);
                  openRequest.setPermissions(Constants.PERMISSIONS);
                  openRequest.setLoginBehavior(SessionLoginBehavior.SSO_WITH_FALLBACK);
                  mCurrentSession.openForRead(openRequest);
  
              }
          } else {
              requestUserData();
          }
          mCurrentSession.addCallback(new Session.StatusCallback() {
              @Override
              public void call(Session session, SessionState state, Exception exception) {
                  if(session.isOpened()) {
                      Toast.makeText(mActivity, "session.isOpened", Toast.LENGTH_SHORT).show();
                  } else if(session.isClosed()) {
                      Toast.makeText(mActivity, "session.isClosed()", Toast.LENGTH_SHORT).show();
                  }
              }
          });
      }
  //get user details
      private void requestUserData() {
          if(mCurrentSession.isOpened()) {
              Request.executeMeRequestAsync(mCurrentSession, new Request.GraphUserCallback() {
                  @Override
                  public void onCompleted(GraphUser user, Response response) {
                      String name = "";
                      String surName = "";
                      int sex = 0;
                      Long dateOfBirth = Long.valueOf(0);
                      String city = "";
                      String photo = "";
  
                      JSONObject response_json = user.getInnerJSONObject();
                      try {
  
                          if(!response_json.isNull(Constants.FB_FIELD_FIRST_NAME)) {
                              name = response_json.getString(Constants.FB_FIELD_FIRST_NAME);
                          }
                          if(!response_json.isNull(Constants.FB_FIELD_LAST_NAME)) {
                              surName = response_json.getString(Constants.FB_FIELD_LAST_NAME);
                          }
                          //This person's birthday in the format MM/DD/YYYY
                          if(!response_json.isNull(Constants.FB_FIELD_BIRTHDAY)) {
                              String date = response_json.getString(Constants.FB_FIELD_BIRTHDAY);
                              date = date.replaceAll("\\/", "");
                              dateOfBirth = Long.valueOf(date).longValue();
                          }
                          if(!response_json.isNull(Constants.FB_FIELD_GENDER)) {
                              sex = response_json.getInt(Constants.FB_FIELD_GENDER);
                          }
                          if(!response_json.isNull(Constants.FB_FIELD_HOMETOWN)) {
                              city = response_json.getJSONObject(Constants.FB_FIELD_HOMETOWN).getString(Constants
                                      .FB_FIELD_CITYNAME);
                          }
                          if(!response_json.isNull(Constants.FB_FIELD_ID)) {
                              //tip: this link will redirect
                              photo = "http://graph.facebook.com/" + response_json.getString(Constants.FB_FIELD_ID) +
                                      "/picture?type=large";
                          }
  
                          mPersonResponse.setName(name);
                          mPersonResponse.setSurname(surName);
                          mPersonResponse.setSex(sex);
                          mPersonResponse.setDateOfBirth(dateOfBirth);
                          mPersonResponse.setCity(city);
                          mPersonResponse.setPhoto(photo);
  
                      } catch (JSONException e) {
                          e.printStackTrace();
                      }
                  }
              });
          }
      }
  
  
  }
  </code></pre>