diff --git a/agdk-cpal/app/src/main/res/values-night/themes.xml b/agdk-cpal/app/src/main/res/values-night/themes.xml
index 81c6873..3bfd87d 100644
--- a/agdk-cpal/app/src/main/res/values-night/themes.xml
+++ b/agdk-cpal/app/src/main/res/values-night/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_200</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
@@ -13,4 +13,4 @@
         <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/agdk-cpal/app/src/main/res/values/themes.xml b/agdk-cpal/app/src/main/res/values/themes.xml
index 83a6c4a..b3fa12e 100644
--- a/agdk-cpal/app/src/main/res/values/themes.xml
+++ b/agdk-cpal/app/src/main/res/values/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_500</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
@@ -13,4 +13,4 @@
         <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/agdk-eframe/app/src/main/res/values-night/themes.xml b/agdk-eframe/app/src/main/res/values-night/themes.xml
index 81c6873..3bfd87d 100644
--- a/agdk-eframe/app/src/main/res/values-night/themes.xml
+++ b/agdk-eframe/app/src/main/res/values-night/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_200</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
@@ -13,4 +13,4 @@
         <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/agdk-eframe/app/src/main/res/values/themes.xml b/agdk-eframe/app/src/main/res/values/themes.xml
index 83a6c4a..b3fa12e 100644
--- a/agdk-eframe/app/src/main/res/values/themes.xml
+++ b/agdk-eframe/app/src/main/res/values/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_500</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
@@ -13,4 +13,4 @@
         <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/agdk-egui/app/src/main/res/values-night/themes.xml b/agdk-egui/app/src/main/res/values-night/themes.xml
index 81c6873..3bfd87d 100644
--- a/agdk-egui/app/src/main/res/values-night/themes.xml
+++ b/agdk-egui/app/src/main/res/values-night/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_200</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
@@ -13,4 +13,4 @@
         <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/agdk-egui/app/src/main/res/values/themes.xml b/agdk-egui/app/src/main/res/values/themes.xml
index 83a6c4a..b3fa12e 100644
--- a/agdk-egui/app/src/main/res/values/themes.xml
+++ b/agdk-egui/app/src/main/res/values/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_500</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
@@ -13,4 +13,4 @@
         <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/agdk-mainloop/app/src/main/res/values-night/themes.xml b/agdk-mainloop/app/src/main/res/values-night/themes.xml
index 81c6873..3bfd87d 100644
--- a/agdk-mainloop/app/src/main/res/values-night/themes.xml
+++ b/agdk-mainloop/app/src/main/res/values-night/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_200</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
@@ -13,4 +13,4 @@
         <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/agdk-mainloop/app/src/main/res/values/themes.xml b/agdk-mainloop/app/src/main/res/values/themes.xml
index 83a6c4a..b3fa12e 100644
--- a/agdk-mainloop/app/src/main/res/values/themes.xml
+++ b/agdk-mainloop/app/src/main/res/values/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_500</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
@@ -13,4 +13,4 @@
         <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/agdk-oboe/app/src/main/res/values-night/themes.xml b/agdk-oboe/app/src/main/res/values-night/themes.xml
index 81c6873..3bfd87d 100644
--- a/agdk-oboe/app/src/main/res/values-night/themes.xml
+++ b/agdk-oboe/app/src/main/res/values-night/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_200</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
@@ -13,4 +13,4 @@
         <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/agdk-oboe/app/src/main/res/values/themes.xml b/agdk-oboe/app/src/main/res/values/themes.xml
index 83a6c4a..b3fa12e 100644
--- a/agdk-oboe/app/src/main/res/values/themes.xml
+++ b/agdk-oboe/app/src/main/res/values/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_500</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
@@ -13,4 +13,4 @@
         <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/agdk-winit-wgpu/app/src/main/res/values-night/themes.xml b/agdk-winit-wgpu/app/src/main/res/values-night/themes.xml
index 81c6873..3bfd87d 100644
--- a/agdk-winit-wgpu/app/src/main/res/values-night/themes.xml
+++ b/agdk-winit-wgpu/app/src/main/res/values-night/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_200</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
@@ -13,4 +13,4 @@
         <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/agdk-winit-wgpu/app/src/main/res/values/themes.xml b/agdk-winit-wgpu/app/src/main/res/values/themes.xml
index 83a6c4a..b3fa12e 100644
--- a/agdk-winit-wgpu/app/src/main/res/values/themes.xml
+++ b/agdk-winit-wgpu/app/src/main/res/values/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.RustTemplate" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_500</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
@@ -13,4 +13,4 @@
         <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
-</resources>
\ No newline at end of file
+</resources>