Implemented the Play Store readiness pass.

app/src/main/res/values/themes.xml

@@ -5,7 +5,6 @@
         <item name="android:windowNoTitle">true</item>
         <item name="android:windowActionBar">false</item>
         <item name="android:windowLightStatusBar">false</item>
-        <item name="android:windowLightNavigationBar">false</item>
         <item name="android:windowBackground">@color/command_black</item>
         <item name="android:fontFamily">sans</item>
         <item name="android:colorAccent">@color/signal_green</item>

app/src/main/res/xml/backup_rules.xml

@@ -1,13 +1,12 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-   Sample backup rules file; uncomment and customize as necessary.
-   See https://developer.android.com/guide/topics/data/autobackup
-   for details.
-   Note: This file is ignored for devices older than API 31
-   See https://developer.android.com/about/versions/12/backup-restore
--->
+<?xml version="1.0" encoding="utf-8"?>
 <full-backup-content>
-    <!--
-   <include domain="sharedpref" path="."/>
-   <exclude domain="sharedpref" path="device.xml"/>
--->
-</full-backup-content>
+    <exclude
+        domain="database"
+        path="." />
+    <exclude
+        domain="sharedpref"
+        path="." />
+    <exclude
+        domain="file"
+        path="." />
+</full-backup-content>

app/src/main/res/xml/data_extraction_rules.xml

@@ -1,19 +1,25 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-   Sample data extraction rules file; uncomment and customize as necessary.
-   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
-   for details.
--->
+<?xml version="1.0" encoding="utf-8"?>
 <data-extraction-rules>
     <cloud-backup>
-        <!-- TODO: Use <include> and <exclude> to control what is backed up.
-        <include .../>
-        <exclude .../>
-        -->
+        <exclude
+            domain="database"
+            path="." />
+        <exclude
+            domain="sharedpref"
+            path="." />
+        <exclude
+            domain="file"
+            path="." />
     </cloud-backup>
-    <!--
     <device-transfer>
-        <include .../>
-        <exclude .../>
+        <exclude
+            domain="database"
+            path="." />
+        <exclude
+            domain="sharedpref"
+            path="." />
+        <exclude
+            domain="file"
+            path="." />
     </device-transfer>
-    -->
-</data-extraction-rules>
+</data-extraction-rules>