Is it possible to do something when a physical key( Vol + or Vol - ) is pressed?

Is it possible to trigger something when a physical key ( Vol + or Vol - ) is pressed?

http://puravidaapps.com/tools.php

thanks for the reply…but i cant find any block which capture a button click(vol + or VOl -)

Thats not for the volume keys…

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Put when activity state changed notifier show event. Then integrate an if.

Activity state changed have nothing to do with volume keys of device…

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