Problem in display while rotating my QT Simulator

In QT Simulator I have added four pushButton and an Image above it but when I am rotating my device all the things are not coming properly....I can only view image and one button below it in which the other three pushbuttons are not getting displayed...Please help me...

Have you set the layouts?

yeah...I hav used QVBoxLayout..

I can't able to add image files to my resource file .....