How to get the Camera Shutter Callback using CWAC Camera Library?

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http://stackoverflow.com – I want to do things within my activity - Change the color effect using a dropdown menu (for example Parameters.EFFECT_SEPIA) Get the shuttercallback and act on it (play a sound). Which classes should I be extending/implementing to do this? Right now I've simply extended SimpleCameraHost but as I understand it, SimpleCameraHost's "getShutterCallback()" always returns null -- how can I get the real shuttercallback here? and how can I directly modify the parameters in my customcamerahost (using adjustPreviewParameters)? (HowTos)