SmartApp: Delayed Refresh

/**
 *  Delayed Refresh
 *
 *  Author: scott
 *  Date: 2013-11-11
 */
preferences {
	section("Refresh this device") {
		input "theSwitch", "capability.switch", multiple: false
	}
}

def installed() {
	log.debug "Installed with settings: ${settings}"

	initialize()
}

def updated() {
	log.debug "Updated with settings: ${settings}"

	unsubscribe()
	initialize()
}

def initialize() {
    subscribe(theSwitch, "display", switchHandler, [filterEvents:false])
}

def switchHandler(evt) {
	if(evt.name == "display")
    {
    	try {
        	log.debug "refresh Test Board"
        	theSwitch.refresh(delay:2000)
        } catch(Exception e) {
        	log.error "Encountered error trying to refresh Test Board switch: $e"
        }
    }
}