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Q: 

BlackBerry: Detect Headset Button in v 4.5?

Does anyone know how to detect the headset button click in 4.5? I have an older BB I am trying to interface with a simple device and would like to use the headset jack.

In version 5.0 there is a "MediaKeyListener" class that seems to fit the bill, unfortunately my actual BB only runs 4.5 (it is a BB 8700c).

I implemented a simple KeyListener application, hoping that perhaps it generated a keycode, but it doesn't appear to.

Any suggestions??

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