style(bottomNavigation): Add icon-states

Signed-off-by: Andy Scherzinger <[email protected]>

Author: AndyScherzinger

app/src/main/res/drawable/selector_assistant.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Nextcloud - Android Client
+  ~
+  ~ SPDX-FileCopyrightText: 2025 Andy Scherzinger <[email protected]>
+  ~ SPDX-License-Identifier: AGPL-3.0-or-later OR GPL-2.0-only
+-->
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@drawable/nav_assistant" android:state_checked="false" />
+    <item android:drawable="@drawable/ic_assistant" android:state_checked="true" />
+</selector>

app/src/main/res/drawable/selector_favorites.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Nextcloud - Android Client
+  ~
+  ~ SPDX-FileCopyrightText: 2025 Andy Scherzinger <[email protected]>
+  ~ SPDX-License-Identifier: AGPL-3.0-or-later OR GPL-2.0-only
+-->
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@drawable/nav_favorites" android:state_checked="false" />
+    <item android:drawable="@drawable/ic_star" android:state_checked="true" />
+</selector>

app/src/main/res/drawable/selector_files.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Nextcloud - Android Client
+  ~
+  ~ SPDX-FileCopyrightText: 2025 Andy Scherzinger <[email protected]>
+  ~ SPDX-License-Identifier: AGPL-3.0-or-later OR GPL-2.0-only
+-->
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@drawable/all_files" android:state_checked="false" />
+    <item android:drawable="@drawable/ic_folder_offline" android:state_checked="true" />
+</selector>

app/src/main/res/drawable/selector_media.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Nextcloud - Android Client
+  ~
+  ~ SPDX-FileCopyrightText: 2025 Andy Scherzinger <[email protected]>
+  ~ SPDX-License-Identifier: AGPL-3.0-or-later OR GPL-2.0-only
+-->
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@drawable/nav_photos" android:state_checked="false" />
+    <item android:drawable="@drawable/ic_image_grey600" android:state_checked="true" />
+</selector>

app/src/main/res/menu/bottom_navigation_menu.xml

@@ -9,25 +9,25 @@
     <item
         android:id="@+id/nav_all_files"
         android:enabled="true"
-        android:icon="@drawable/folder"
+        android:icon="@drawable/selector_files"
         android:title="@string/bottom_navigation_menu_files_label"/>
 
     <item
         android:id="@+id/nav_favorites"
         android:enabled="true"
-        android:icon="@drawable/nav_favorites"
+        android:icon="@drawable/selector_favorites"
         android:title="@string/bottom_navigation_menu_favorites_label"/>
 
     <item
         android:id="@+id/nav_assistant"
         android:enabled="true"
-        android:icon="@drawable/ic_assistant"
+        android:icon="@drawable/selector_assistant"
         android:title="@string/bottom_navigation_menu_assistant_label"/>
 
     <item
         android:id="@+id/nav_gallery"
         android:enabled="true"
-        android:icon="@drawable/nav_photos"
+        android:icon="@drawable/selector_media"
         android:title="@string/bottom_navigation_menu_media_label"/>
 
 </menu>