Handle overriding of default apps for Android TV (#41893)

* Handle overriding of default apps for Android TV

* Fix comment

homeassistant/components/androidtv/media_player.py

@@ -410,6 +410,12 @@ class ADBDevice(MediaPlayerEntity):
         self._app_name_to_id = {
             value: key for key, value in self._app_id_to_name.items() if value
         }
+
+        # Make sure that apps overridden via the `apps` parameter are reflected
+        # in `self._app_name_to_id`
+        for key, value in apps.items():
+            self._app_name_to_id[value] = key
+
         self._get_sources = get_sources
         self._keys = KEYS
 

tests/components/androidtv/test_media_player.py

@@ -3,6 +3,7 @@ import base64
 import copy
 import logging
 
+from androidtv.constants import APPS as ANDROIDTV_APPS
 from androidtv.exceptions import LockNotAcquiredException
 import pytest
 
@@ -476,7 +477,11 @@ async def test_firetv_exclude_sources(hass):
 async def _test_select_source(hass, config0, source, expected_arg, method_patch):
     """Test that the methods for launching and stopping apps are called correctly when selecting a source."""
     config = copy.deepcopy(config0)
-    config[DOMAIN][CONF_APPS] = {"com.app.test1": "TEST 1", "com.app.test3": None}
+    config[DOMAIN][CONF_APPS] = {
+        "com.app.test1": "TEST 1",
+        "com.app.test3": None,
+        "com.youtube.test": "YouTube",
+    }
     patch_key, entity_id = _setup(config)
 
     with patchers.PATCH_ADB_DEVICE_TCP, patchers.patch_connect(True)[
@@ -545,6 +550,20 @@ async def test_androidtv_select_source_launch_app_hidden(hass):
     )
 
 
+async def test_androidtv_select_source_overridden_app_name(hass):
+    """Test that when an app name is overridden via the `apps` configuration parameter, the app is launched correctly."""
+    # Evidence that the default YouTube app ID will be overridden
+    assert "YouTube" in ANDROIDTV_APPS.values()
+    assert "com.youtube.test" not in ANDROIDTV_APPS
+    assert await _test_select_source(
+        hass,
+        CONFIG_ANDROIDTV_ADB_SERVER,
+        "YouTube",
+        "com.youtube.test",
+        patchers.PATCH_LAUNCH_APP,
+    )
+
+
 async def test_androidtv_select_source_stop_app_id(hass):
     """Test that an app can be stopped using its app ID."""
     assert await _test_select_source(