private void login() {
   if (!"".equals(mFacebookAccessToken) && mFacebookAccessToken != null) {
     mFacebook.setAccessToken(mFacebookAccessToken);
   } else {
     mFacebook.authorize2(
         this, new String[] {"publish_stream, user_photos, email"}, new AuthorizeListener());
   }
 }
  @Override
  public void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);

    if (resultCode == RESULT_OK) {
      if (requestCode == C.FACEBOOK_AUTH_CODE) {
        mFacebook.authorizeCallback(requestCode, resultCode, data);
      }
    } else {
      if (requestCode == C.FACEBOOK_AUTH_CODE) {
        mFacebook.authorizeCallback(requestCode, resultCode, data);
      }
    }
  }
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.facebook);

    //	필요한 위젯들 전부 로딩
    faceBook_myTitleTxtVw = (TextView) findViewById(R.id.faceBook_movieTitle);
    faceBook_myWhenTxtVw = (TextView) findViewById(R.id.faceBook_myWhenTxtVw);
    faceBook_myWhereTxtVw = (TextView) findViewById(R.id.faceBook_myWhereTxtVw);
    faceBook_myWithTxtVw = (TextView) findViewById(R.id.faceBook_myWhoTxtVw);
    faceBook_myGenreTxtVw = (TextView) findViewById(R.id.faceBook_myGenreTxtVw);
    faceBook_myOpenInfoTxtVw = (TextView) findViewById(R.id.faceBook_myOpenInfoTxtVw);
    faceBook_myActorTxtVw = (TextView) findViewById(R.id.faceBook_myActorTxtVw);
    faceBook_myDirectorTxtVw = (TextView) findViewById(R.id.faceBook_myDirectorTxtVw);

    faceBook_myThumbnail = (ImageView) findViewById(R.id.faceBook_myThumbnail);
    faceBook_myRatingBar = (RatingBar) findViewById(R.id.faceBook_myRatingBar);

    //	전달받은 인텐트를 가져온다.
    Intent intent = getIntent();
    //	인텐트가 존재하면
    if (intent != null) {
      //	movie객체를 가져와서 데이터를 뿌려준다.
      Movie movie = (Movie) intent.getSerializableExtra("movie");
      this.movie = movie;

      faceBook_myTitleTxtVw.setText(movie.getTitle());
      String getWhen = movie.getWhen();
      String year = getWhen.substring(0, 4);
      String month = getWhen.substring(4, 5);
      String day = getWhen.substring(5, 7);
      faceBook_myWhenTxtVw.setText(year + "년 " + month + "월 " + day + "일");
      faceBook_myWithTxtVw.setText(movie.getWith());
      faceBook_myWhereTxtVw.setText(movie.getWhere());
      rating =
          (float) ((movie.getGrade().equals("")) ? 0.0 : Float.parseFloat(movie.getGrade()))
              / (float) 2.0;
      faceBook_myRatingBar.setRating(rating);
      faceBook_myGenreTxtVw.setText("		● 장르 : " + movie.getGenre());
      faceBook_myActorTxtVw.setText("		● 감독 : " + movie.getDirector());
      faceBook_myActorTxtVw.setText("		● 배우 : " + Arrays.toString(movie.getActor()));
      faceBook_myOpenInfoTxtVw.setText("		● 개봉일 : " + movie.getOpenInfo());

      imageDownloader.download(movie.getThumbnail(), faceBook_myThumbnail);
    }

    mEtContent = (EditText) findViewById(R.id.faceBook_etContent);
    mBtnFeed = (Button) findViewById(R.id.faceBook_btnFeed);
    mBtnFeed.setOnClickListener(this);
    faceBook_btnLogout = (Button) findViewById(R.id.faceBook_btnLogout);
    faceBook_btnLogout.setOnClickListener(this);

    mFacebookAccessToken = getAppPreferences(this, "ACCESS_TOKEN");
    if (!mFacebookAccessToken.equals("")) {
      mFacebook.setAccessToken(mFacebookAccessToken);
    }
  }
 private void logout() {
   try {
     mFacebook.logout(this);
     setAppPreferences(FaceBookActivity.this, "ACCESS_TOKEN", "");
     handler.sendEmptyMessage(1);
   } catch (Exception e) {
     e.printStackTrace();
   }
 }
  // 글, 사진 등록하기
  private void feed() {
    try {
      Log.v(C.LOG_TAG, "access token : " + mFacebook.getAccessToken());

      Bundle params = new Bundle();

      String message =
          "\n\n< WhenWhereWith APP으로 부터 자동 등록 > \n\n"
              + "● 어디서 : "
              + movie.getWhere()
              + "\n"
              + "● 나의 평점 : "
              + movie.getGrade()
              + "/10.0 \n"
              + faceBook_myGenreTxtVw.getText().toString().trim()
              + "\n"
              + faceBook_myOpenInfoTxtVw.getText().toString().trim()
              + "\n"
              + faceBook_myActorTxtVw.getText().toString().trim()
              + "\n\n\n"
              + "● 후기 : "
              + mEtContent.getText().toString().trim()
              + "\n\n";

      params.putString("message", message);
      params.putString("name", faceBook_myTitleTxtVw.getText().toString().trim());
      params.putString("link", "");
      params.putString("description", "WhenWwhereWith APP");
      params.putString("picture", movie.getThumbnail());

      mFacebook.request("me/feed", params, "POST");
      handler.sendEmptyMessage(0);

    } catch (Exception e) {
      e.printStackTrace();
    }
  }