Android Open Source - spots Facebook Fragment

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License

The source code is released under:
MIT License
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Java Source Code

package com.dcc.matc89.spots.social;
/*  ww  w  .  ja v  a 2  s.com*/
import java.util.List;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;

import com.dcc.matc89.spots.model.User;
import com.dcc.matc89.spots.network.FetchUsers.OnUsersReceiver;
import com.dcc.matc89.spots.network.PostUsers;
import com.facebook.Request;
import com.facebook.Response;
import com.facebook.Session;
import com.facebook.Session.StatusCallback;
import com.facebook.SessionState;
import com.facebook.UiLifecycleHelper;
import com.facebook.model.GraphUser;

public abstract class FacebookFragment extends Fragment implements StatusCallback, OnUserLoginListener {
  
  private UiLifecycleHelper uiHelper;
  private SessionState mLastSessionState;

  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    uiHelper = new UiLifecycleHelper(getActivity(), this);
    uiHelper.onCreate(savedInstanceState);
  }

  @Override
  public void onResume() {
    super.onResume();
    uiHelper.onResume();
    Session activeSession = Session.getActiveSession();
    SessionState sessionState = activeSession != null ? activeSession.getState() : null;
    if(sessionState != mLastSessionState)
      call(activeSession, sessionState, null);
  }

  @Override
  public void onPause() {
    super.onPause();
    Session activeSession = Session.getActiveSession();
    mLastSessionState = activeSession != null ? activeSession.getState() : null;
    uiHelper.onPause();
  }

  @Override
  public void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    uiHelper.onActivityResult(requestCode, resultCode, data);
  }

  @Override
  public void onDestroy() {
    super.onDestroy();
    uiHelper.onDestroy();
  }

  @Override
  public void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    uiHelper.onSaveInstanceState(outState);
  }
  
  @Override
  public void call(Session session, SessionState state, Exception exception) {
    if(session.isOpened()) {
      Request.executeMeRequestAsync(session, new Request.GraphUserCallback() {


        @Override
        public void onCompleted(GraphUser user, Response response) {
          FragmentActivity activity = getActivity();
          if (user != null && activity != null) {
            String name = user.getName();
            String location = user.getLocation().getCity() + ", " + user.getLocation().getState() + " - " + user.getLocation().getCountry();
            String facebookId = user.getId();
            new PostUsers().postUsers(new OnUsersReceiver() {
              
              @Override
              public void onUsersReceived(List<User> users) {
                FragmentActivity activity = getActivity();
                if(activity != null && users != null && users.size() > 0){
                  User.setCurrentUser(activity, users.get(0));
                  FacebookFragment.this.onUserLoggedIn(users.get(0));
                }
              }
            }, name, location, facebookId, null);
          }
        }
      });
    }else {
      FragmentActivity activity = getActivity();
      if(activity != null)
        User.setCurrentUser(activity, null);
    }
  }
  
  
}
Java Source Code List
