Fixed bad reference.

Author: fireboy1919

devicetypes/fireboy1919/milight-controller.src/milight-controller.groovy

@@ -117,7 +117,7 @@ def refresh() {
 }
 
 def httpCall(body, mac, ipAddress) {
-	def group =  evt.device.getPreferences()["group"]
+	def group =  getPreferences()["group"]
 
     def path =  "/gateways/$mac/rgbw/$group"
     log.debug("Sending to ${path}.")

smartapps/fireboy1919/mithings.src/mithings.groovy

@@ -148,7 +148,7 @@ def switchOffHandler(evt) {
 
     evt.device.httpCall(["status": "off" ], settings.ipAddress, settings.macAddress)
     //parent.httpCall(["status": "off" ], settings.ipAddress, settings.macAddress, evt);
-   
+
     getChildDevices().each {
     	it.off(false)
     }
@@ -166,10 +166,10 @@ def switchLevelHandler(evt) {
 def switchColorHandler(evt) {
 	if(parent.settings.isDebug) { log.debug "color set! ${settings.macAddress} / ${evt.device.name} / ${evt.value}" }
 
-    evt.device.httpCall(["hue": evt.value ], settings.ipAddress, settings.macAddress );
     getChildDevices().each {
     		it.setColor(evt.value, false)
     }
+    return evt.device.httpCall(["hue": evt.value ], settings.ipAddress, settings.macAddress );
 }
 
 def switchRefreshHandler(evt) {