Reworked numericMenuItem to be able to display a different conten in the sublabel than jus a number.

source/HomeAssistantApp.mc

@@ -629,6 +629,10 @@ class HomeAssistantApp extends Application.AppBase {
                             if (item instanceof HomeAssistantToggleMenuItem) {
                                 (item as HomeAssistantToggleMenuItem).updateToggleState(data[i.toString() + "t"]);
                             }
+                            if (item instanceof HomeAssistantNumericMenuItem) {
+                               // (item as HomeAssistantNumericMenuItem).updateNumericState("22");
+                                (item as HomeAssistantNumericMenuItem).updateNumericState(data[i.toString() + "n"].toString());
+                            }
                         }
                         if (Settings.getMenuCheck() && Settings.getCacheConfig() && !mIsCacheChecked) {
                             // We are caching the menu configuration, so let's fetch it and check if its been updated.
@@ -723,6 +727,11 @@ class HomeAssistantApp extends Application.AppBase {
                                 "template" => (item as HomeAssistantToggleMenuItem).getToggleTemplate()
                             });
                         }
+                        if (item instanceof HomeAssistantNumericMenuItem) {
+                            mTemplates.put(i.toString() + "n", {
+                                "template" => (item as HomeAssistantNumericMenuItem).getNumericTemplate()
+                            });
+                        }
                     }
                 }
                 // https://developers.home-assistant.io/docs/api/native-app-integration/sending-data/#render-templates

source/HomeAssistantNumericMenuItem.mc

@@ -68,6 +68,15 @@ class HomeAssistantNumericMenuItem extends HomeAssistantMenuItem {
         mLabel                = label;
         mHomeAssistantService = haService;
 
+        var val = data.get("display_format");
+        if (val != null) {
+            mFormatString = val.toString();
+        }   
+        else {
+            mFormatString = "%.1f";
+        }
+        
+
         HomeAssistantMenuItem.initialize(
             label,
             template,
@@ -137,10 +146,47 @@ class HomeAssistantNumericMenuItem extends HomeAssistantMenuItem {
     //! @param b Ignored. It is included in order to match the expected function prototype of the callback method.
     //
     function onConfirm(b as Lang.Boolean) as Void {
-        mHomeAssistantService.call(mService, {"entity_id"  => mData.get("entity_id").toString(),mData.get("valueLabel").toString() => mValue}, mExit);
+        //mHomeAssistantService.call(mService, {"entity_id"  => mData.get("entity_id").toString(),mData.get("valueLabel").toString() => mValue}, mExit);
-        
+        var dataAttribute = mData.get("data_attribute");
+        if (dataAttribute == null) {
+            //return without call service if no data attribute is set to avoid crash
+            WatchUi.popView(WatchUi.SLIDE_RIGHT);
+            return;
+        }
+        var entity_id = mData.get("entity_id");
+        if (entity_id == null) {
+            //return without call service if no entity_id is set to avoid crash
+            WatchUi.popView(WatchUi.SLIDE_RIGHT);
+            return;
+        }
+        mHomeAssistantService.call(mService, {"entity_id"  => entity_id.toString(),dataAttribute.toString() => mValue}, mExit);
+        WatchUi.popView(WatchUi.SLIDE_RIGHT);
     }
 
+    //! Return a toggle menu item's state template.
+    //!
+    //! @return A string with the menu item's template definition (or null).
+    //
+    function getNumericTemplate() as Lang.String? {
+        var entity_id = mData.get("entity_id");
+        if (entity_id != null) {
+            return "{{state_attr('" + entity_id.toString() + "','" + mData.get("attribute").toString() +"')}}";
+        }
+        return null;
+    }
+
+    function updateNumericState(data as Lang.String or Lang.Dictionary or Null) as Void {
+        if (data == null) {
+            mValue="0";
+            return;
+        } else if(data instanceof Lang.String) {
+            mValue=data;
+
+        } else {
+            // Catch possible error
+            mValue="0";
+        }
+    }
 
  
     //! Update the menu item's sub label to display the template rendered by Home Assistant.
@@ -158,10 +204,11 @@ class HomeAssistantNumericMenuItem extends HomeAssistantMenuItem {
             var f = data.toFloat() as Lang.Float;
             setSubLabel(f.format(mFormatString));
         } else if (data instanceof Lang.String){
+            // This should not happen
             setSubLabel(data);
         }  
         else {
-            // The template must return a Float, or the item cannot be formatted locally without error.
+            // The template must return a Float on Numeric value, or the item cannot be formatted locally without error.
             setSubLabel(WatchUi.loadResource($.Rez.Strings.TemplateError) as Lang.String);
         }
         WatchUi.requestUpdate();
@@ -175,6 +222,10 @@ class HomeAssistantNumericMenuItem extends HomeAssistantMenuItem {
         mValue = value;
     }
 
+    function getValue() as Lang.String {
+        return mValue;
+    }
+
     function getData() as Lang.Dictionary {
         return mData;
     }

source/factory/HomeAssistantNumericFactory.mc

@@ -32,11 +32,11 @@ class HomeAssistantNumericFactory extends WatchUi.PickerFactory {
 
         // Get values from data
 
-        var val = data.get("start");
+        var val = data.get("min");
         if (val != null) {
             mStart = val.toString().toFloat();
         }
-        val = data.get("stop");
+        val = data.get("max");
         if (val != null) {
             mStop = val.toString().toFloat();
         } 
@@ -44,7 +44,7 @@ class HomeAssistantNumericFactory extends WatchUi.PickerFactory {
         if (val != null) {
             mStep = val.toString().toFloat();
         } 
-       val = data.get("formatString");
+       val = data.get("display_format");
         if (val != null) {
             mFormatString = val.toString();
         } 

source/picker/HomeAssistantNumericPicker.mc

@@ -37,18 +37,24 @@ class HomeAssistantNumericPicker extends WatchUi.Picker {
 
         var data = mItem.getData();
 
-        var start = 0.0;
+        var min = 0.0;
-        var val = data.get("start");
+        var val = data.get("min");
         if (val != null) {
-            start = val.toString().toFloat();
+            min = val.toString().toFloat();
         } 
         var step = 1.0;
         val = data.get("step");
         if (val != null) {
             step = val.toString().toFloat();
         } 
-        val = haItem.getSubLabel().toFloat();
+        val = haItem.getValue();
-        var index = ((val -start) / step).toNumber();
+        if (val != null) {
+            val = val.toString().toFloat();
+        } else {
+            // catch missing state to avoid crash
+            val = min;
+        }
+        var index = ((val -min) / step).toNumber();
 
         pickerOptions[:defaults]  =[index];
 
@@ -96,7 +102,6 @@ class HomeAssistantNumericPickerDelegate extends WatchUi.PickerDelegate {
     public function onAccept(values as Lang.Array) as Lang.Boolean {
         var chosenValue = values[0].toString();
         mPicker.onConfirm(chosenValue);
-        WatchUi.popView(WatchUi.SLIDE_RIGHT);
         return true;
     }
 }