Moving the Hard Button Functionality (Home,Back,Search<Menu) to soft buttons in android
<p>I want to add the functinality of Home,Back,Searcha and Menu Hard keys via some soft keys which can be accessed anytime the device is up.</p>

<p>I know their are few applications available which already do this, but i wanted to know the way this can be implemented.</p>

<p>Any help would be appreciated.</p>
