The is a clone of the QHexView libary along with an example of how to display the contents of a file in QHexView.

QHexView will be compiled into a library and placed under /lib. The example application links against this library and loads the contents of the example's executable on startup.

qmake -o Makefile qhexview.pro
make

Alteratively, open the QHexView.pro file in Qt Creator and just run it.