Using QNetworkSession/QNetworkConfiguration/QNetworkConfigurationManager

[mying]

Hi,
I'm trying to use the QtBearer classes, but the compiler gives me an error saying "ISO C++ forbids declaration of 'QNetworkSession' with no type." I think it's unable to locate the needed files for using QtBearer, what do I change so the intellisense and compiler would recognize it?

The example project bearer could compile and run, so maybe just something missing in my pro file?

QT       += core gui network
 
TARGET = TestBearer
TEMPLATE = app
 
SOURCES += main.cpp\
        mainwindow.cpp \
    serverconnection.cpp
 
HEADERS  += mainwindow.h \
    serverconnection.h
 
FORMS    += mainwindow.ui
 
CONFIG += mobility
MOBILITY = bearer
 
symbian {
    TARGET.UID3 = 0xe1b89784
    TARGET.CAPABILITY += NetworkServices ReadUserData
    TARGET.EPOCSTACKSIZE = 0x14000
    TARGET.EPOCHEAPSIZE = 0x020000 0x800000
}

QT       += core gui network

TARGET = TestBearer
TEMPLATE = app

SOURCES += main.cpp\
        mainwindow.cpp \
    serverconnection.cpp

HEADERS  += mainwindow.h \
    serverconnection.h

FORMS    += mainwindow.ui

CONFIG += mobility
MOBILITY = bearer

symbian {
    TARGET.UID3 = 0xe1b89784
    TARGET.CAPABILITY += NetworkServices ReadUserData
    TARGET.EPOCSTACKSIZE = 0x14000
    TARGET.EPOCHEAPSIZE = 0x020000 0x800000
}

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