diff --git a/smartapps/smartthings/logitech-harmony-connect.src/logitech-harmony-connect.groovy b/smartapps/smartthings/logitech-harmony-connect.src/logitech-harmony-connect.groovy
index b7084c3..2597e2b 100644
--- a/smartapps/smartthings/logitech-harmony-connect.src/logitech-harmony-connect.groovy
+++ b/smartapps/smartthings/logitech-harmony-connect.src/logitech-harmony-connect.groovy
@@ -34,6 +34,7 @@
  *  locks                | lock              | lock, unlock                | locked, unlocked
  *  ---------------------+-------------------+-----------------------------+------------------------------------
  */
+include 'asynchttp_v1'
 
 definition(
     name: "Logitech Harmony (Connect)",
@@ -109,26 +110,28 @@ def authPage() {
 		//device discovery request every 5 //25 seconds
 		int deviceRefreshCount = !state.deviceRefreshCount ? 0 : state.deviceRefreshCount as int
 		state.deviceRefreshCount = deviceRefreshCount + 1
-		def refreshInterval = 3
+		def refreshInterval = 5
 
 		def huboptions = state.HarmonyHubs ?: []
 		def actoptions = state.HarmonyActivities ?: []
 
 		def numFoundHub = huboptions.size() ?: 0
-        def numFoundAct = actoptions.size() ?: 0
+    def numFoundAct = actoptions.size() ?: 0
+
 		if((deviceRefreshCount % 5) == 0) {
 			discoverDevices()
 		}
+
 		return dynamicPage(name:"Credentials", title:"Discovery Started!", nextPage:"", refreshInterval:refreshInterval, install:true, uninstall: true) {
 			section("Please wait while we discover your Harmony Hubs and Activities. Discovery can take five minutes or more, so sit back and relax! Select your device below once discovered.") {
-				input "selectedhubs", "enum", required:false, title:"Select Harmony Hubs (${numFoundHub} found)", multiple:true, options:huboptions
+				input "selectedhubs", "enum", required:false, title:"Select Harmony Hubs (${numFoundHub} found)", multiple:true, submitOnChange: true, options:huboptions
 			}
-            // Virtual activity flag
-            if (numFoundHub > 0 && numFoundAct > 0 && true)
+      // Virtual activity flag
+      if (numFoundHub > 0 && numFoundAct > 0 && true)
 			section("You can also add activities as virtual switches for other convenient integrations") {
-				input "selectedactivities", "enum", required:false, title:"Select Harmony Activities (${numFoundAct} found)", multiple:true, options:actoptions
+				input "selectedactivities", "enum", required:false, title:"Select Harmony Activities (${numFoundAct} found)", multiple:true, submitOnChange: true, options:actoptions
 			}
-            if (state.resethub)
+    if (state.resethub)
 			section("Connection to the hub timed out. Please restart the hub and try again.") {}
 		}
     }
@@ -380,8 +383,6 @@ def discovery() {
             	log.debug "valid Token"
                 state.Harmonydevices = response.data
                 state.resethub = false
-                getActivityList()
-                poll()
 	        } else {
             	log.debug "Error: $response.status"
             }
@@ -430,142 +431,182 @@ def addDevice() {
 }
 
 def activity(dni,mode) {
-    def Params = [auth: state.HarmonyAccessToken]
-    def msg = "Command failed"
-    def url = ''
+    def tokenParam = [auth: state.HarmonyAccessToken]
+    def url
     if (dni == "all") {
-        url = "https://home.myharmony.com/cloudapi/activity/off?${toQueryString(Params)}"
+        url = "https://home.myharmony.com/cloudapi/activity/off?${toQueryString(tokenParam)}"
     } else {
         def aux = dni.split('-')
         def hubId = aux[1]
         if (mode == "hub" || (aux.size() <= 2) || (aux[2] == "off")){
-        	url = "https://home.myharmony.com/cloudapi/hub/${hubId}/activity/off?${toQueryString(Params)}"
+        	url = "https://home.myharmony.com/cloudapi/hub/${hubId}/activity/off?${toQueryString(tokenParam)}"
         } else {
-            def activityId = aux[2]
-        	url = "https://home.myharmony.com/cloudapi/hub/${hubId}/activity/${activityId}/${mode}?${toQueryString(Params)}"
+          def activityId = aux[2]
+        	url = "https://home.myharmony.com/cloudapi/hub/${hubId}/activity/${activityId}/${mode}?${toQueryString(tokenParam)}"
         }
 	}
-	try {
-    	httpPostJson(uri: url) { response ->
-        	if (response.data.code == 200 || dni == "all") {
-            	msg = "Command sent succesfully"
-            	state.aux = 0
-            } else {
-            	msg = "Command failed. Error: $response.data.code"
-            }
-		}
-    } catch (groovyx.net.http.HttpResponseException ex) {
-        log.error ex
-        if (state.aux == 0) {
-        	state.aux = 1
-        	activity(dni,mode)
-        } else {
-        	msg = ex
-            state.aux = 0
-        }
-    } catch(Exception ex) {
-    	msg = ex
+  def params = [
+      uri: url,
+      contentType: 'application/json'
+  ]
+  asynchttp_v1.post('activityResponse', params)
+  return "Command Sent"
+}
+
+def activityResponse(response, data) {
+  if (response.hasError()) {
+    log.error "Logitech Harmony - response has error: $response.errorMessage"
+    if (response.status == 401) { // token is expired
+      state.remove("HarmonyAccessToken")
+      log.warn "Logitech Harmony - Access token has expired"
     }
-    runIn(10, "poll", [overwrite: true])
-    return msg
+  } else {
+    def ResponseValues
+    try {
+      // json response already parsed into JSONElement object
+      ResponseValues = response.json
+    } catch (e) {
+      log.error "Logitech Harmony - error parsing json from response: $e"
+    }
+    if (ResponseValues) {
+      if (ResponseValues.code == 200) {
+        log.trace "Command sent succesfully"
+        poll()
+      } else {
+        log.trace "Command failed. Error: $response.data.code"
+      }
+    } else {
+      log.debug "Logitech Harmony - did not get json results from response body: $response.data"
+    }
+  }
 }
 
 def poll() {
 	// GET THE LIST OF ACTIVITIES
     if (state.HarmonyAccessToken) {
     	  getActivityList()
-        def Params = [auth: state.HarmonyAccessToken]
-        def url = "https://home.myharmony.com/cloudapi/state?${toQueryString(Params)}"
-        try {
-            httpGet(uri: url, headers: ["Accept": "application/json"]) {response ->
-                def map = [:]
-                response.data.hubs.each {
-		            if (it.value.message == "OK") {
-	                    map["${it.key}"] = "${it.value.response.data.currentAvActivity},${it.value.response.data.activityStatus}"
-	                    def hub = getChildDevice("harmony-${it.key}")
-	                    if (hub) {
-	                        if (it.value.response.data.currentAvActivity == "-1") {
-	                            hub.sendEvent(name: "currentActivity", value: "--", descriptionText: "There isn't any activity running", display: false)
-	                        } else {
-	                            def currentActivity = getActivityName(it.value.response.data.currentAvActivity,it.key)
-	                            hub.sendEvent(name: "currentActivity", value: currentActivity, descriptionText: "Current activity is ${currentActivity}", display: false)
-	                        }
-	                    }
-	                } else {
-		                log.trace it.value.message
-	                }
-                }
-                def activities = getChildDevices()
-                def activitynotrunning = true
-                activities.each { activity ->
-                    def act = activity.deviceNetworkId.split('-')
-                    if (act.size() > 2) {
-                        def aux = map.find { it.key == act[1] }
-                        if (aux) {
-                            def aux2 = aux.value.split(',')
-                            def childDevice = getChildDevice(activity.deviceNetworkId)
-                            if ((act[2] == aux2[0]) && (aux2[1] == "1" || aux2[1] == "2")) {
-                                childDevice?.sendEvent(name: "switch", value: "on")
-                                if (aux2[1] == "1")
-                                    runIn(5, "poll", [overwrite: true])
-                            } else {
-                                childDevice?.sendEvent(name: "switch", value: "off")
-                                if (aux2[1] == "3")
-                                    runIn(5, "poll", [overwrite: true])
-                            }
-                        }
+        def tokenParam = [auth: state.HarmonyAccessToken]
+        def params = [
+            uri: "https://home.myharmony.com/cloudapi/state?${toQueryString(tokenParam)}",
+            headers: ["Accept": "application/json"],
+            contentType: 'application/json'
+        ]
+        asynchttp_v1.get('pollResponse', params)
+      } else {
+          log.warn "Logitech Harmony - Access token has expired"
+      }
+}
+
+def pollResponse(response, data) {
+	if (response.hasError()) {
+    log.error "Logitech Harmony - response has error: $response.errorMessage"
+    if (response.status == 401) { // token is expired
+      state.remove("HarmonyAccessToken")
+      log.warn "Logitech Harmony - Access token has expired"
+    }
+	} else {
+			def ResponseValues
+			try {
+					// json response already parsed into JSONElement object
+					ResponseValues = response.json
+			} catch (e) {
+					log.error "Logitech Harmony - error parsing json from response: $e"
+			}
+			if (ResponseValues) {
+        def map = [:]
+        ResponseValues.hubs.each {
+        if (it.value.message == "OK") {
+              map["${it.key}"] = "${it.value.response.data.currentAvActivity},${it.value.response.data.activityStatus}"
+              def hub = getChildDevice("harmony-${it.key}")
+              if (hub) {
+                  if (it.value.response.data.currentAvActivity == "-1") {
+                      hub.sendEvent(name: "currentActivity", value: "--", descriptionText: "There isn't any activity running", display: false)
+                  } else {
+                      def currentActivity = getChildDevice("harmony-${it.key}-${it.value.response.data.currentAvActivity}").device.displayName
+                      hub.sendEvent(name: "currentActivity", value: currentActivity, descriptionText: "Current activity is ${currentActivity}", display: false)
+                  }
+              }
+          } else {
+            log.trace "Logitech Harmony - error response: $it.value.message"
+          }
+        }
+        def activities = getChildDevices()
+        def activitynotrunning = true
+        activities.each { activity ->
+            def act = activity.deviceNetworkId.split('-')
+            if (act.size() > 2) {
+                def aux = map.find { it.key == act[1] }
+                if (aux) {
+                    def aux2 = aux.value.split(',')
+                    def childDevice = getChildDevice(activity.deviceNetworkId)
+                    if ((act[2] == aux2[0]) && (aux2[1] == "1" || aux2[1] == "2")) {
+                        childDevice?.sendEvent(name: "switch", value: "on")
+                        if (aux2[1] == "1")
+                            runIn(5, "poll", [overwrite: true])
+                    } else {
+                        childDevice?.sendEvent(name: "switch", value: "off")
+                        if (aux2[1] == "3")
+                            runIn(5, "poll", [overwrite: true])
                     }
                 }
-                return "Poll completed $map - $state.hubs"
             }
-        } catch (groovyx.net.http.HttpResponseException e) {
-              if (e.statusCode == 401) { // token is expired
-                  state.remove("HarmonyAccessToken")
-                  log.warn "Harmony Access token has expired"
-              }
-        } catch (java.net.SocketTimeoutException e) {
-        	log.warn "Connection to the hub timed out. Please restart the hub and try again."
-              state.resethub = true
-        } catch (e) {
-        	log.info "Logitech Harmony - Error: $e"
         }
+			} else {
+					log.debug "Logitech Harmony - did not get json results from response body: $response.data"
+			}
+	}
+}
+
+def getActivityList() {
+    if (state.HarmonyAccessToken) {
+      def tokenParam = [auth: state.HarmonyAccessToken]
+      def params = [
+  				uri: "https://home.myharmony.com/cloudapi/activity/all?${toQueryString(tokenParam)}",
+  				headers: ["Accept": "application/json"],
+  				contentType: 'application/json'
+  		]
+  		asynchttp_v1.get('activityListResponse', params)
+    } else {
+        log.warn "Logitech Harmony - Access token has expired"
     }
 }
 
-
-def getActivityList() {
-	// GET ACTIVITY'S NAME
-    if (state.HarmonyAccessToken) {
-        def Params = [auth: state.HarmonyAccessToken]
-        def url = "https://home.myharmony.com/cloudapi/activity/all?${toQueryString(Params)}"
-        try {
-            httpGet(uri: url, headers: ["Accept": "application/json"]) {response ->
-                response.data.hubs.each {
-                    def hub = getChildDevice("harmony-${it.key}")
-                    if (hub) {
-                    	def hubname = getHubName("${it.key}")
-                        def activities = []
-                        def aux = it.value.response.data.activities.size()
-                        if (aux >= 1) {
-                            activities = it.value.response.data.activities.collect {
-                                [id: it.key, name: it.value['name'], type: it.value['type']]
-                            }
-                            activities += [id: "off", name: "Activity OFF", type: "0"]
-                            log.trace activities
-                        }
-                        hub.sendEvent(name: "activities", value: new groovy.json.JsonBuilder(activities).toString(), descriptionText: "Activities are ${activities.collect { it.name }?.join(', ')}", display: false)
-					}
-                }
-            }
-        } catch (groovyx.net.http.HttpResponseException e) {
-        	log.trace e
-        } catch (java.net.SocketTimeoutException e) {
-        	log.trace e
-		} catch(Exception e) {
-        	log.trace e
-		}
-    }
-	return activity
+def activityListResponse(response, data) {
+	if (response.hasError()) {
+			log.error "Logitech Harmony - response has error: $response.errorMessage"
+      if (response.status == 401) { // token is expired
+          state.remove("HarmonyAccessToken")
+          log.warn "Logitech Harmony - Access token has expired"
+      }
+	} else {
+			def ResponseValues
+			try {
+					// json response already parsed into JSONElement object
+					ResponseValues = response.json
+			} catch (e) {
+					log.error "Logitech Harmony - error parsing json from response: $e"
+			}
+			if (ResponseValues) {
+          	  ResponseValues.hubs.each {
+              def hub = getChildDevice("harmony-${it.key}")
+              if (hub) {
+                def hubname = getHubName("${it.key}")
+                  def activities = []
+                  def aux = it.value.response?.data.activities.size()
+                  if (aux >= 1) {
+                      activities = it.value.response.data.activities.collect {
+                          [id: it.key, name: it.value['name'], type: it.value['type']]
+                      }
+                      activities += [id: "off", name: "Activity OFF", type: "0"]
+                      log.trace activities
+                  }
+                  hub.sendEvent(name: "activities", value: new groovy.json.JsonBuilder(activities).toString(), descriptionText: "Activities are ${activities.collect { it.name }?.join(', ')}", display: false)
+              }
+          }
+			} else {
+					log.debug "Logitech Harmony - did not get json results from response body: $response.data"
+			}
+	}
 }
 
 def getActivityName(activity,hubId) {
@@ -746,7 +787,7 @@ def addSubscription() {
 	def attribute = data.attributeName
 	def callbackUrl = data.callbackUrl
 
-	log.debug "addSubscription, params: ${params}, request: ${data}"
+	log.debug "Logitech Harmony - addSubscription, params: ${params}, request: ${data}"
 	if (!attribute) {
 		render status: 400, data: '{"msg": "attributeName is required"}'
 	} else {
@@ -808,6 +849,7 @@ def deviceHandler(evt) {
 	def deviceInfo = state[evt.deviceId]
 	if (state.harmonyHubs) {
 		state.harmonyHubs.each { harmonyHub ->
+      log.trace "Logitech Harmony - Sending data to $harmonyHub.name"
 			sendToHarmony(evt, harmonyHub.callbackUrl)
 		}
 	} else if (deviceInfo) {