Error in retrieving data from facebook to qt gui application

[vinayaka]

hai,

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

#include "mainwindow.h"
#include "ui_mainwindow.h"
 
#include <QtGlobal>
#include <QDebug>
#include <QMessageBox>
 
#include "fbrequest.h"
#include "fberror.h"
 
static QString UserId;
 
MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow),
    iLoginDialog ( NULL )
{
    ui->setupUi(this);
 
    iFBSession = FBSession::sessionForApplication("xxxxxxxxxxx","xxxxxxxxxxx", QString());
    connect (iFBSession,SIGNAL(sessionDidLogin(FBUID)), this, SLOT(sessionDidLogin(FBUID)));
    connect (iFBSession, SIGNAL(sessionDidLogout()), this, SLOT(sessionDidLogout()));
}
 
MainWindow::~MainWindow()
{
    delete iFBSession;
    delete ui;
}
 
void MainWindow::changeEvent(QEvent *e)
{
    QMainWindow::changeEvent(e);
    switch (e->type()) {
    case QEvent::LanguageChange:
        ui->retranslateUi(this);
        break;
    default:
        break;
    }
}
 
void MainWindow::on_pushButton_clicked()
{
    if (iFBSession->resume() == false)
    {
        iLoginDialog = new FBLoginDialog();
        iLoginDialog->show();
    }
}
 
void MainWindow::sessionDidLogin(FBUID aUid)
{
    QMessageBox msgbox;
    UserId = QString::number(aUid,10);
    QString msg ("Logged in sucessfully, your FBUID is " + UserId);
    msgbox.setText(msg);
    msgbox.exec();
 
    if (iLoginDialog)
    {
        iLoginDialog->deleteLater();;
        iLoginDialog = NULL;
    }
}
 
void MainWindow::sessionDidLogout()
{
    QMessageBox msgbox;
    msgbox.setText("logged out");
    msgbox.exec();
}
 
void MainWindow::on_pushButton_2_clicked()
{
    FBRequest* request = FBRequest::request();
    Dictionary params;
    QString query = "select name,pic_big, status,birthday_date, timezone from user where uid in (select uid2 from friend where uid1==" +UserId+ ")";
    params["query"] = query;
    connect (request, SIGNAL(requestDidLoad(QVariant)), this, SLOT(requestDidLoad(QVariant)));
    connect (request, SIGNAL(requestFailedWithFacebookError(FBError)), this, SLOT(requestFailedWithFacebookError(FBError)));
    request->call("facebook.fql.query",params);
 
}
 
void MainWindow::requestFailedWithFacebookError ( const FBError& aError )
{
    qDebug() << "facebook error is " << aError.code() << " - " << aError.description();
}
 
void MainWindow::requestDidLoad(const QVariant& aContainer)
{
    if (aContainer.type() == QVariant::List)
    {
        QVariantList list = aContainer.toList();
 
        for (int i = 0 ; i < list.count(); i ++)
        {
            QVariantHash dictionary = list.at(i).toHash();
            QHashIterator<QString, QVariant> iterator(dictionary);
 
            QString name = dictionary.value("name").toString();
            ui->listWidget->addItem(name);
 
 
        }
 
        sender()->deleteLater();
    }
}
 
 
 
void MainWindow::on_buttonForget_clicked()
{
    iFBSession->logout();
}

#include "mainwindow.h"
#include "ui_mainwindow.h"

#include <QtGlobal>
#include <QDebug>
#include <QMessageBox>

#include "fbrequest.h"
#include "fberror.h"

static QString UserId;

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow),
    iLoginDialog ( NULL )
{
    ui->setupUi(this);
    
    iFBSession = FBSession::sessionForApplication("xxxxxxxxxxx","xxxxxxxxxxx", QString());
    connect (iFBSession,SIGNAL(sessionDidLogin(FBUID)), this, SLOT(sessionDidLogin(FBUID)));
    connect (iFBSession, SIGNAL(sessionDidLogout()), this, SLOT(sessionDidLogout()));
}

MainWindow::~MainWindow()
{
    delete iFBSession;
    delete ui;
}

void MainWindow::changeEvent(QEvent *e)
{
    QMainWindow::changeEvent(e);
    switch (e->type()) {
    case QEvent::LanguageChange:
        ui->retranslateUi(this);
        break;
    default:
        break;
    }
}

void MainWindow::on_pushButton_clicked()
{
    if (iFBSession->resume() == false)
    {
        iLoginDialog = new FBLoginDialog();
        iLoginDialog->show();
    }
}

void MainWindow::sessionDidLogin(FBUID aUid)
{
    QMessageBox msgbox;
    UserId = QString::number(aUid,10);
    QString msg ("Logged in sucessfully, your FBUID is " + UserId);
    msgbox.setText(msg);
    msgbox.exec();

    if (iLoginDialog)
    {
        iLoginDialog->deleteLater();;
        iLoginDialog = NULL;
    }
}

void MainWindow::sessionDidLogout()
{
    QMessageBox msgbox;
    msgbox.setText("logged out");
    msgbox.exec();
}

void MainWindow::on_pushButton_2_clicked()
{
    FBRequest* request = FBRequest::request();
    Dictionary params;
    QString query = "select name,pic_big, status,birthday_date, timezone from user where uid in (select uid2 from friend where uid1==" +UserId+ ")";
    params["query"] = query;
    connect (request, SIGNAL(requestDidLoad(QVariant)), this, SLOT(requestDidLoad(QVariant)));
    connect (request, SIGNAL(requestFailedWithFacebookError(FBError)), this, SLOT(requestFailedWithFacebookError(FBError)));
    request->call("facebook.fql.query",params);

}

void MainWindow::requestFailedWithFacebookError ( const FBError& aError )
{
    qDebug() << "facebook error is " << aError.code() << " - " << aError.description();
}

void MainWindow::requestDidLoad(const QVariant& aContainer)
{
    if (aContainer.type() == QVariant::List)
    {
        QVariantList list = aContainer.toList();

        for (int i = 0 ; i < list.count(); i ++)
        {
            QVariantHash dictionary = list.at(i).toHash();
            QHashIterator<QString, QVariant> iterator(dictionary);

            QString name = dictionary.value("name").toString();
            ui->listWidget->addItem(name);


        }

        sender()->deleteLater();
    }
}



void MainWindow::on_buttonForget_clicked()
{
    iFBSession->logout();
}

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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

#-------------------------------------------------
#
# Project created by QtCreator 2009-11-20T00:54:21
#
#-------------------------------------------------
 
QT       += network webkit xml
 
TARGET = sample
TEMPLATE = app
DESTDIR = ../debug
 
SOURCES += main.cpp\
        mainwindow.cpp
 
HEADERS  += mainwindow.h
 
FORMS    += mainwindow.ui
 
 
INCLUDEPATH = ../inc/
win32:LIBS += ../debug/qfacebookconnect.lib
unix:LIBS += ../debug/libqfacebookconnect.so
 
symbian: {
	TARGET.CAPABILITY = NetworkServices # Symbian specific, we just need network access
	TARGET.UID3 = 0xA89FA522 # Symbian specific, unprotected uid3 from symbiansigned.com
 
	INCLUDEPATH += /epoc32/include/stdapis # this seems to be a bug.
	LIBS += -lqfacebookconnect
 
	libqfacebookconnect.sources = qfacebookconnect.dll
	libqfacebookconnect.path  = \sys\bin
	DEPLOYMENT += libqfacebookconnect
	}
 
ICON = gfx/fb.svg

#-------------------------------------------------
#
# Project created by QtCreator 2009-11-20T00:54:21
#
#-------------------------------------------------

QT       += network webkit xml

TARGET = sample
TEMPLATE = app
DESTDIR = ../debug

SOURCES += main.cpp\
        mainwindow.cpp

HEADERS  += mainwindow.h

FORMS    += mainwindow.ui


INCLUDEPATH = ../inc/
win32:LIBS += ../debug/qfacebookconnect.lib
unix:LIBS += ../debug/libqfacebookconnect.so

symbian: {
	TARGET.CAPABILITY = NetworkServices # Symbian specific, we just need network access
	TARGET.UID3 = 0xA89FA522 # Symbian specific, unprotected uid3 from symbiansigned.com

	INCLUDEPATH += /epoc32/include/stdapis # this seems to be a bug.
	LIBS += -lqfacebookconnect

	libqfacebookconnect.sources = qfacebookconnect.dll
	libqfacebookconnect.path  = \sys\bin
	DEPLOYMENT += libqfacebookconnect
	}

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

[stampede]

I think you should ask the guy who created the FBRequest class.