CHF-420 Add device health check to Bose DTH

devicetypes/smartthings/bose-soundtouch.src/bose-soundtouch.groovy

@@ -27,7 +27,7 @@ metadata {
         capability "Switch"
         capability "Refresh"
         capability "Music Player"
-        capability "Polling"
+        capability "Health Check"
 
         /**
          * Define all commands, ie, if you have a custom action not
@@ -236,7 +236,33 @@ def parse(String event) {
  * @return action(s) to take or null
  */
 def installed() {
-    onAction("refresh")
+    // Notify health check about this device with timeout interval 12 minutes
+    sendEvent(name: "checkInterval", value: 12 * 60, data: [protocol: "lan", hubHardwareId: device.hub.hardwareID], displayed: false)
+    startPoll()
+}
+
+/**
+ * Called by health check if no events been generated in the last 12 minutes
+ * If device doesn't respond it will be marked offline (not available)
+ */
+def ping() {
+    TRACE("ping")
+    boseSendGetNowPlaying()
+}
+
+/**
+ * Schedule a 2 minute poll of the device to refresh the
+ * tiles so the user gets the correct information.
+ */
+def startPoll() {
+    TRACE("startPoll")
+    unschedule()
+    // Schedule 2 minute polling of speaker status (song average length is 3-4 minutes)
+    def sec = Math.round(Math.floor(Math.random() * 60))
+    //def cron = "$sec 0/5 * * * ?" // every 5 min
+    def cron = "$sec 0/2 * * * ?" // every 2 min
+    log.debug "schedule('$cron', boseSendGetNowPlaying)"
+    schedule(cron, boseSendGetNowPlaying)
 }
 
 /**
@@ -316,14 +342,6 @@ def onAction(String user, data=null) {
     return actions
 }
 
-/**
- * Called every so often (every 5 minutes actually) to refresh the
- * tiles so the user gets the correct information.
- */
-def poll() {
-    return boseRefreshNowPlaying()
-}
-
 /**
  * Joins this speaker into the everywhere zone
  */
@@ -837,6 +855,10 @@ def boseRefreshNowPlaying(delay=0) {
     return boseGET("/now_playing")
 }
 
+def boseSendGetNowPlaying() {
+    sendHubCommand(boseGET("/now_playing"))
+}
+
 /**
  * Requests the list of presets
  *
@@ -1014,4 +1036,8 @@ def boseGetDeviceID() {
  */
 def getDeviceIP() {
     return parent.resolveDNI2Address(device.deviceNetworkId)
+}
+
+def TRACE(text) {
+    log.trace "${text}"
 }

smartapps/smartthings/bose-soundtouch-connect.src/bose-soundtouch-connect.groovy

@@ -19,9 +19,9 @@
     author: "SmartThings",
     description: "Control your Bose SoundTouch speakers",
     category: "SmartThings Labs",
-    iconUrl: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience.png",
-    iconX2Url: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience@2x.png",
-    iconX3Url: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience@2x.png",
+    iconUrl: "https://d3azp77rte0gip.cloudfront.net/smartapps/fcf1d93a-ba0b-4324-b96f-e5b5487dfaf5/images/BoseST_icon.png",
+    iconX2Url: "https://d3azp77rte0gip.cloudfront.net/smartapps/fcf1d93a-ba0b-4324-b96f-e5b5487dfaf5/images/BoseST_icon@2x.png",
+    iconX3Url: "https://d3azp77rte0gip.cloudfront.net/smartapps/fcf1d93a-ba0b-4324-b96f-e5b5487dfaf5/images/BoseST_icon@2x-1.png",
     singleInstance: true
 )
 
@@ -104,7 +104,7 @@ def deviceDiscovery()
 
         return dynamicPage(name:"deviceDiscovery", title:"Discovery Started!", nextPage:"", refreshInterval:refreshInterval, install:true, uninstall: true) {
             section("Please wait while we discover your ${getDeviceName()}. Discovery can take five minutes or more, so sit back and relax! Select your device below once discovered.") {
-                input "selecteddevice", "enum", required:false, title:"Select ${getDeviceName()} (${numFound} found)", multiple:true, options:devices
+                input "selecteddevice", "enum", required:false, title:"Select ${getDeviceName()} (${numFound} found)", multiple:true, options:devices, submitOnChange: true
             }
         }
     }
@@ -196,6 +196,8 @@ def addDevice(){
             d = addChildDevice(getNameSpace(), getDeviceName(), dni, newDevice?.value.hub, [label:"${deviceName}"])
             d.boseSetDeviceID(newDevice.value.deviceID)
             log.trace "Created ${d.displayName} with id $dni"
+            // sync DTH with device, done here as it currently don't work from the DTH's installed() method
+            d.refresh()
         } else {
             log.trace "${d.displayName} with id $dni already exists"
         }