Fix nfandroidtv service notify disappears when restarting home assistant (#128958)

* move connect to android tv host from init to short before sending a message

* Don't swallow exceptions

* use string literals for exception

---------

Co-authored-by: Erik Montnemery <erik@montnemery.com>

homeassistant/components/nfandroidtv/__init__.py

@@ -1,11 +1,8 @@
 """The NFAndroidTV integration."""
 
-from notifications_android_tv.notifications import ConnectError, Notifications
-
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_HOST, Platform
 from homeassistant.core import HomeAssistant
-from homeassistant.exceptions import ConfigEntryNotReady
 from homeassistant.helpers import config_validation as cv, discovery
 from homeassistant.helpers.typing import ConfigType
 
@@ -25,14 +22,8 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
 
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Set up NFAndroidTV from a config entry."""
-    try:
-        await hass.async_add_executor_job(Notifications, entry.data[CONF_HOST])
-    except ConnectError as ex:
-        raise ConfigEntryNotReady(
-            f"Failed to connect to host: {entry.data[CONF_HOST]}"
-        ) from ex
-
     hass.data.setdefault(DOMAIN, {})
+    hass.data[DOMAIN][entry.entry_id] = entry.data[CONF_HOST]
 
     hass.async_create_task(
         discovery.async_load_platform(

homeassistant/components/nfandroidtv/notify.py

@@ -6,7 +6,7 @@ from io import BufferedReader
 import logging
 from typing import Any
 
-from notifications_android_tv import Notifications
+from notifications_android_tv.notifications import ConnectError, Notifications
 import requests
 from requests.auth import HTTPBasicAuth, HTTPDigestAuth
 import voluptuous as vol
@@ -19,7 +19,7 @@ from homeassistant.components.notify import (
 )
 from homeassistant.const import CONF_HOST
 from homeassistant.core import HomeAssistant
-from homeassistant.exceptions import ServiceValidationError
+from homeassistant.exceptions import HomeAssistantError, ServiceValidationError
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
@@ -59,9 +59,9 @@ async def async_get_service(
     """Get the NFAndroidTV notification service."""
     if discovery_info is None:
         return None
-    notify = await hass.async_add_executor_job(Notifications, discovery_info[CONF_HOST])
+
     return NFAndroidTVNotificationService(
-        notify,
+        discovery_info[CONF_HOST],
         hass.config.is_allowed_path,
     )
 
@@ -71,15 +71,24 @@ class NFAndroidTVNotificationService(BaseNotificationService):
 
     def __init__(
         self,
-        notify: Notifications,
+        host: str,
         is_allowed_path: Any,
     ) -> None:
         """Initialize the service."""
-        self.notify = notify
+        self.host = host
         self.is_allowed_path = is_allowed_path
+        self.notify: Notifications | None = None
 
     def send_message(self, message: str, **kwargs: Any) -> None:
-        """Send a message to a Android TV device."""
+        """Send a message to an Android TV device."""
+        if self.notify is None:
+            try:
+                self.notify = Notifications(self.host)
+            except ConnectError as err:
+                raise HomeAssistantError(
+                    f"Failed to connect to host: {self.host}"
+                ) from err
+
         data: dict | None = kwargs.get(ATTR_DATA)
         title = kwargs.get(ATTR_TITLE, ATTR_TITLE_DEFAULT)
         duration = None
@@ -178,6 +187,8 @@ class NFAndroidTVNotificationService(BaseNotificationService):
                         translation_key="invalid_notification_icon",
                         translation_placeholders={"type": type(icondata).__name__},
                     )
+
+        try:
             self.notify.send(
                 message,
                 title=title,
@@ -190,6 +201,8 @@ class NFAndroidTVNotificationService(BaseNotificationService):
                 icon=icon,
                 image_file=image_file,
             )
+        except ConnectError as err:
+            raise HomeAssistantError(f"Failed to connect to host: {self.host}") from err
 
     def load_file(
         self,