Android : check whether Home key is pressed or not

Can anybody help me to find out, how can i find that whether the HOME key is pressed or not? I want to take action based on it....

I am using开发者_如何学C KeyEvent.isModifierKey(KeyEvent.KEYCODE_HOME) to check whether home key is pressed or not....It always returns me false....

Can anybody help me to go ahead..

Thanks, Rakesh

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You cannot do this. Your application will not receive HOME key events.