Android มีใครเคยใช้ Facebook sdk 3 บ้างครับช่วยหน่อยผมกำลังมีปัญหากับการเอามารวมกับโค๊ดตัวเอง

	    if (savedInstanceState == null) {
	        // Add the fragment on initial activity setup
	        mainFragment = new MainFragment();
	        getSupportFragmentManager().beginTransaction().add(android.R.id.content, mainFragment).commit();
	    } else {
	        // Or set the fragment from restored state info
	        mainFragment = (MainFragment) getSupportFragmentManager()
	        .findFragmentById(android.R.id.content);
	    }

public class MainFragment extends Fragment{
	
	private static final List<String> PERMISSIONS = Arrays.asList("publish_actions");
	private static final String PENDING_PUBLISH_KEY = "pendingPublishReauthorization";
	private boolean pendingPublishReauthorization = false;
	private Button shareButton;
	private UiLifecycleHelper uiHelper;
	private static final String TAG = "MainFragment";
	
	private Session.StatusCallback callback = new Session.StatusCallback() {
	    @Override
	    public void call(Session session, SessionState state, Exception exception) {
	        onSessionStateChange(session, state, exception);
	    }
	};
	
	@Override
	public void onCreate(Bundle savedInstanceState) {
		
	    super.onCreate(savedInstanceState);
	    uiHelper = new UiLifecycleHelper(getActivity(), callback);
	    uiHelper.onCreate(savedInstanceState);
	    	    
	}
	
	@Override
	public View onCreateView(LayoutInflater inflater, 
	        ViewGroup container, 
	        Bundle savedInstanceState) {
		super.onCreateView(inflater, container, savedInstanceState); 
	    View view = inflater.inflate(R.layout.check_in, container, false);

	    LoginButton authButton = (LoginButton) view.findViewById(R.id.authButton);
	    authButton.setFragment(this);
	    authButton.setReadPermissions(Arrays.asList("user_likes", "user_status"));
	    
	    shareButton = (Button) view.findViewById(R.id.shareButton);
	    shareButton.setOnClickListener(new View.OnClickListener() {
	        @Override
	        public void onClick(View v) {
	            publishStory();        
	        }
	    });
	    
	    if (savedInstanceState != null) {
	        pendingPublishReauthorization = 
	            savedInstanceState.getBoolean(PENDING_PUBLISH_KEY, false);
	    }
	    return view;
	}
	
	private void onSessionStateChange(Session session, SessionState state, Exception exception) {
	    if (state.isOpened()) {
	        Log.i(TAG, "Logged in...");
	    } else if (state.isClosed()) {
	        Log.i(TAG, "Logged out...");
	    }
	    
	    if (state.isOpened()) {
	    	shareButton.setVisibility(View.VISIBLE);
	    	if (pendingPublishReauthorization && 
	    	        state.equals(SessionState.OPENED_TOKEN_UPDATED)) {
	    	    pendingPublishReauthorization = false;
	    	    publishStory();
	    	}
	    } else if (state.isClosed()) {
	        shareButton.setVisibility(View.INVISIBLE);
	    }
	}
	
	
	private void publishStory() {
	    Session session = Session.getActiveSession();

	    if (session != null){

	        // Check for publish permissions    
	        List<String> permissions = session.getPermissions();
	        if (!isSubsetOf(PERMISSIONS, permissions)) {
	            pendingPublishReauthorization = true;
	            Session.NewPermissionsRequest newPermissionsRequest = new Session
	                    .NewPermissionsRequest(this, PERMISSIONS);
	        session.requestNewPublishPermissions(newPermissionsRequest);
	            return;
	        }

	        Bundle postParams = new Bundle();
	        postParams.putString("name", "Facebook SDK for Android");
	        postParams.putString("caption", "Build great social apps and get more installs.");
	        postParams.putString("description", "The Facebook SDK for Android makes it easier and faster to develop Facebook integrated Android apps.");
	        postParams.putString("link", "https://developers.facebook.com/android");
	        postParams.putString("picture", "https://raw.github.com/fbsamples/ios-3.x-howtos/master/Images/iossdk_logo.png");

	        Request.Callback callback= new Request.Callback() {
	            public void onCompleted(Response response) {
	                JSONObject graphResponse = response
	                                           .getGraphObject()
	                                           .getInnerJSONObject();
	                String postId = null;
	                try {
	                    postId = graphResponse.getString("id");
	                } catch (JSONException e) {
	                    Log.i(TAG,
	                        "JSON error "+ e.getMessage());
	                }
	                FacebookRequestError error = response.getError();
	                if (error != null) {
	                    Toast.makeText(getActivity()
	                         .getApplicationContext(),
	                         error.getErrorMessage(),
	                         Toast.LENGTH_SHORT).show();
	                    } else {
	                        Toast.makeText(getActivity()
	                             .getApplicationContext(), 
	                             postId,
	                             Toast.LENGTH_LONG).show();
	                }
	            }
	        };

	        Request request = new Request(session, "me/feed", postParams, 
	                              HttpMethod.POST, callback);

	        RequestAsyncTask task = new RequestAsyncTask(request);
	        task.execute();
	    }

	}
	
	private boolean isSubsetOf(Collection<String> subset, Collection<String> superset) {
	    for (String string : subset) {
	        if (!superset.contains(string)) {
	            return false;
	        }
	    }
	    return true;
	}
	
	@Override
	public void onResume() {
	    super.onResume();
	    Session session = Session.getActiveSession();
	    if (session != null &&
	           (session.isOpened() || session.isClosed()) ) {
	        onSessionStateChange(session, session.getState(), null);
	    }

	    uiHelper.onResume();
	}

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

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

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

	@Override
	public void onSaveInstanceState(Bundle outState) {
	    super.onSaveInstanceState(outState);
	    outState.putBoolean(PENDING_PUBLISH_KEY, pendingPublishReauthorization);
	    uiHelper.onSaveInstanceState(outState);
	}
	
	
}