Dim With Me wasn't listening to "level" events

dim-with-me.app.groovy

@@ -12,7 +12,7 @@
  *		twack@wackware.net
  *  Date: 	2013-11-12
  *  Version: 	0.2
- *  
+ *
  *  Use this program with a virtual dimmer as the master for best results.
  *
  *  This app lets the user select from a list of dimmers to act as a triggering
@@ -31,10 +31,14 @@
  *		added subscription to switch.level event. Shouldn't change much
  *		but some devices only sending level event and not setLevel.
  *
+ *  Change 3:	2017-11-16 (chalford)
+ *		Added subscription to "level" event, as that is the attribute
+ *		name of the Switch Level Capability. Also reorganised subscriptions.
+ *
  ******************************************************************************
-                
+
   Other Info:	Special thanks to Danny Kleinman at ST for helping me get the
-				state stuff figured out. The Android state filtering had me 
+				state stuff figured out. The Android state filtering had me
                 stumped.
  *
  ******************************************************************************
@@ -53,49 +57,56 @@ definition(
 )
 
 preferences {
-	section("When this...") { 
-		input "masters", "capability.switchLevel", 
-			multiple: false, 
-			title: "Master Dimmer Switch...", 
+	section("When this...") {
+		input "masters", "capability.switchLevel",
+			multiple: false,
+			title: "Master Dimmer Switch...",
 			required: true
 	}
 
 	section("Then these will follow with on/off...") {
-		input "slaves2", "capability.switch", 
-			multiple: true, 
-			title: "Slave On/Off Switch(es)...", 
+		input "slaves2", "capability.switch",
+			multiple: true,
+			title: "Slave On/Off Switch(es)...",
 			required: false
 	}
-    
+
 	section("And these will follow with dimming level...") {
-		input "slaves", "capability.switchLevel", 
-			multiple: true, 
-			title: "Slave Dimmer Switch(es)...", 
+		input "slaves", "capability.switchLevel",
+			multiple: true,
+			title: "Slave Dimmer Switch(es)...",
 			required: true
 	}
 }
 
 def installed()
 {
-	subscribe(masters, "switch.on", switchOnHandler)
-	subscribe(masters, "switch.off", switchOffHandler)
-	subscribe(masters, "switch.setLevel", switchSetLevelHandler)
-	subscribe(masters, "switch", switchSetLevelHandler)
+	initializeSubscriptions()
 }
 
 def updated()
 {
 	unsubscribe()
+	initializeSubscriptions()
+}
+
+def uninstalled()
+{
+	unsubscribe()
+}
+
+def initializeSubscriptions()
+{
 	subscribe(masters, "switch.on", switchOnHandler)
 	subscribe(masters, "switch.off", switchOffHandler)
 	subscribe(masters, "switch.setLevel", switchSetLevelHandler)
-	subscribe(masters, "switch", switchSetLevelHandler)
-	log.info "subscribed to all of switches events"
+	subscribe(masters, "level", switchSetLevelHandler)
+	log.info "subscribed to switch events"
 }
 
 def switchSetLevelHandler(evt)
-{	
-	
+{
+
 	if ((evt.value == "on") || (evt.value == "off" ))
 		return
 	def level = evt.value.toFloat()