Built-in camera application launches when capture button is pressed on QML Camera element

CONFIG += mobility
MOBILITY += multimedia
symbian:TARGET.CAPABILITY += UserEnvironment

import QtQuick 1.0
import QtMultimediaKit 1.1

Item {
    focus: true
    Keys.onPressed : {
        if (event.key == Qt.Key_CameraFocus && cam.lockStatus == Camera.Unlocked) {
            cam.searchAndLock()
            event.accepted = true
        }
        else if (event.key == Qt.Key_Camera && cam.lockStatus == Camera.Locked) {
            cam.captureImage()
            event.accepted = true
        }
    }

    Camera {
        id: cam
    }
}