Error: QFileDialog has not been declared? Help

I have come up with a problem .Please help

I have compiled an example for ARM target from QT-Embedded examples
/examples/MainWindows/application

It got compiled for target without any errors. But once i execute my exe in my target it gives this error

For openfile() , Savefile()

Error: QFileDialog has not been declared. I hope there is some problems with libraries.

Now how do i solve this problem. Please help me.

Have you played with the qfeatures file? That way you could have removed the dialog. Otherwise, this sounds like a qmake issue. Try a make distclean, then re-run qmake and make.

by default QFileDialog, QSplitter etc are disabled in QtE ... to enable them just comment the appropiate macro in qconfig-qpe.h(this file is in QtExtended)