hai,

This is the code for gui application to connect FB.Using this ap we can retrieve the names of our friends.


Qt Code: 
  1. #include "mainwindow.h"
  2. #include "ui_mainwindow.h"
  3.  
  4. #include <QtGlobal>
  5. #include <QDebug>
  6. #include <QMessageBox>
  7.  
  8. #include "fbrequest.h"
  9. #include "fberror.h"
  10.  
  11. static QString UserId;
  12.  
  13. MainWindow::MainWindow(QWidget *parent) :
  14.     QMainWindow(parent),
  15.     ui(new Ui::MainWindow),
  16.     iLoginDialog ( NULL )
  17. {
  18.     ui->setupUi(this);
  19.  
  20.     iFBSession = FBSession::sessionForApplication("xxxxxxxxxxx","xxxxxxxxxxx", QString());
  21.     connect (iFBSession,SIGNAL(sessionDidLogin(FBUID)), this, SLOT(sessionDidLogin(FBUID)));
  22.     connect (iFBSession, SIGNAL(sessionDidLogout()), this, SLOT(sessionDidLogout()));
  23. }
  24.  
  25. MainWindow::~MainWindow()
  26. {
  27.     delete iFBSession;
  28.     delete ui;
  29. }
  30.  
  31. void MainWindow::changeEvent(QEvent *e)
  32. {
  33.     QMainWindow::changeEvent(e);
  34.     switch (e->type()) {
  35.     case QEvent::LanguageChange:
  36.         ui->retranslateUi(this);
  37.         break;
  38.     default:
  39.         break;
  40.     }
  41. }
  42.  
  43. void MainWindow::on_pushButton_clicked()
  44. {
  45.     if (iFBSession->resume() == false)
  46.     {
  47.         iLoginDialog = new FBLoginDialog();
  48.         iLoginDialog->show();
  49.     }
  50. }
  51.  
  52. void MainWindow::sessionDidLogin(FBUID aUid)
  53. {
  54.     QMessageBox msgbox;
  55.     UserId = QString::number(aUid,10);
  56.     QString msg ("Logged in sucessfully, your FBUID is " + UserId);
  57.     msgbox.setText(msg);
  58.     msgbox.exec();
  59.  
  60.     if (iLoginDialog)
  61.     {
  62.         iLoginDialog->deleteLater();;
  63.         iLoginDialog = NULL;
  64.     }
  65. }
  66.  
  67. void MainWindow::sessionDidLogout()
  68. {
  69.     QMessageBox msgbox;
  70.     msgbox.setText("logged out");
  71.     msgbox.exec();
  72. }
  73.  
  74. void MainWindow::on_pushButton_2_clicked()
  75. {
  76.     FBRequest* request = FBRequest::request();
  77.     Dictionary params;
  78.     QString query = "select name,pic_big, status,birthday_date, timezone from user where uid in (select uid2 from friend where uid1==" +UserId+ ")";
  79.     params["query"] = query;
  80.     connect (request, SIGNAL(requestDidLoad(QVariant)), this, SLOT(requestDidLoad(QVariant)));
  81.     connect (request, SIGNAL(requestFailedWithFacebookError(FBError)), this, SLOT(requestFailedWithFacebookError(FBError)));
  82.     request->call("facebook.fql.query",params);
  83.  
  84. }
  85.  
  86. void MainWindow::requestFailedWithFacebookError ( const FBError& aError )
  87. {
  88.     qDebug() << "facebook error is " << aError.code() << " - " << aError.description();
  89. }
  90.  
  91. void MainWindow::requestDidLoad(const QVariant& aContainer)
  92. {
  93.     if (aContainer.type() == QVariant::List)
  94.     {
  95.         QVariantList list = aContainer.toList();
  96.  
  97.         for (int i = 0 ; i < list.count(); i ++)
  98.         {
  99.             QVariantHash dictionary = list.at(i).toHash();
  100.             QHashIterator<QString, QVariant> iterator(dictionary);
  101.  
  102.             QString name = dictionary.value("name").toString();
  103.             ui->listWidget->addItem(name);
  104.  
  105.  
  106.         }
  107.  
  108.         sender()->deleteLater();
  109.     }
  110. }
  111.  
  112.  
  113.  
  114. void MainWindow::on_buttonForget_clicked()
  115. {
  116.     iFBSession->logout();
  117. }
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After login the FB Errors show like this:

Starting D:\WS\qfacebookconnect-qfacebookconnect\debug\sample.exe...
Load started: QUrl( "" )
Loading url: "http://www.facebook.com/login.php?api_key=xxxxxxxxxx&next=fbconnect://success&connect_display=touch&fbconnect=1"
Load successfull for: QUrl( "http://m.facebook.com/login.php?api_key=xxxxxxxx&next=http://www.facebook.com/connect/uiserver.php?app_id=xxxxxxx&next=fbconnect%3A%2F%2 Fsuccess&display=touch&return_session=0&fbconnect= 1&canvas=0&legacy_return=1&method=permissions.requ est&connect_display=touch&fbconnect=1&app_id=xxxxx xxxx&skip_api_login=1&refsrc=http://www.facebook.com/login.php&_rdr" )
Load started: QUrl( "http://m.facebook.com/login.php?api_key=xxxxxxxxx&next=http://www.facebook.com/connect/uiserver.php?app_id=xxxxxxxx&next=fbconnect%3A%2F% 2Fsuccess&display=touch&return_session=0&fbconnect =1&canvas=0&legacy_return=1&method=permissions.req uest&connect_display=touch&fbconnect=1&app_id=xxxx xx&skip_api_login=1&refsrc=http://www.facebook.com/login.php&_rdr" )
QSslSocket: cannot call unresolved function SSLv3_client_method
QSslSocket: cannot call unresolved function SSL_CTX_new
QSslSocket: cannot call unresolved function SSL_library_init
QSslSocket: cannot call unresolved function ERR_get_error
Load un successfull for: QUrl( "http://m.facebook.com/login.php?api_key=xxxx&next=http://www.facebook.com/connect/uiserver.php?app_id=xxxxx&next=fbconnect%3A%2F%2Fs uccess&display=touch&return_session=0&fbconnect=1& canvas=0&legacy_return=1&method=permissions.reques t&connect_display=touch&fbconnect=1&app_id=xxxxxxx &skip_api_login=1&refsrc=http://www.facebook.com/login.php&_rdr" )
1
facebook error is 89 - "Parser error: unexpected ')' at position 112."
facebook error is 89 - "Parser error: unexpected ')' at position 112."
facebook error is 89 - "Parser error: unexpected ')' at position 112."
facebook error is 89 - "Parser error: unexpected ')' at position 112."




This is the .pro file
Qt Code: 
  1. #-------------------------------------------------
  2. #
  3. # Project created by QtCreator 2009-11-20T00:54:21
  4. #
  5. #-------------------------------------------------
  6.  
  7. QT       += network webkit xml
  8.  
  9. TARGET = sample
  10. TEMPLATE = app
  11. DESTDIR = ../debug
  12.  
  13. SOURCES += main.cpp\
  14.         mainwindow.cpp
  15.  
  16. HEADERS  += mainwindow.h
  17.  
  18. FORMS    += mainwindow.ui
  19.  
  20.  
  21. INCLUDEPATH = ../inc/
  22. win32:LIBS += ../debug/qfacebookconnect.lib
  23. unix:LIBS += ../debug/libqfacebookconnect.so
  24.  
  25. symbian: {
  26. 	TARGET.CAPABILITY = NetworkServices # Symbian specific, we just need network access
  27. 	TARGET.UID3 = 0xA89FA522 # Symbian specific, unprotected uid3 from symbiansigned.com
  28.  
  29. 	INCLUDEPATH += /epoc32/include/stdapis # this seems to be a bug.
  30. 	LIBS += -lqfacebookconnect
  31.  
  32. 	libqfacebookconnect.sources = qfacebookconnect.dll
  33. 	libqfacebookconnect.path  = \sys\bin
  34. 	DEPLOYMENT += libqfacebookconnect
  35. 	}
  36.  
  37. ICON = gfx/fb.svg
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qfacebookconnect.lib is pasted in the Debug folder

Can you help me to run this project successfully