diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index be28449e6d56d..c781421cf3c88 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -2437,6 +2437,10 @@
          flag). -->
     <bool name="config_forceWindowDrawsStatusBarBackground">true</bool>
 
+    <!-- If set, this will force the navigation bar to always be drawn with an opaque
+         background. -->
+    <bool name="config_forceNavBarAlwaysOpaque">false</bool>
+
     <!-- Default bounds [left top right bottom] on screen for picture-in-picture windows. -->
     <string translatable="false" name="config_defaultPictureInPictureBounds">"0 0 100 100"</string>
 
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 786b3cc09482b..d18f7b9e289bc 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -2391,6 +2391,7 @@
 
   <java-symbol type="string" name="config_packagedKeyboardName" />
   <java-symbol type="bool" name="config_forceWindowDrawsStatusBarBackground" />
+  <java-symbol type="bool" name="config_forceNavBarAlwaysOpaque" />
   <java-symbol type="color" name="system_bar_background_semi_transparent" />
 
   <!-- EditText suggestion popup. -->
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index 6320413a452a1..252dda7984c66 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -535,6 +535,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
     boolean mForceStatusBar;
     boolean mForceStatusBarFromKeyguard;
     private boolean mForceStatusBarTransparent;
+    boolean mForceNavBarOpaque;
     boolean mHideLockScreen;
     boolean mForcingShowNavBar;
     int mForcingShowNavBarLayer;
@@ -1715,6 +1716,9 @@ public class PhoneWindowManager implements WindowManagerPolicy {
         if (mContext.getPackageManager().hasSystemFeature(FEATURE_PICTURE_IN_PICTURE)) {
             mShortPressWindowBehavior = SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE;
         }
+
+        mForceNavBarOpaque = res.getBoolean(
+                com.android.internal.R.bool.config_forceNavBarAlwaysOpaque);
     }
 
     @Override
@@ -7080,6 +7084,10 @@ public class PhoneWindowManager implements WindowManagerPolicy {
                     | View.SYSTEM_UI_TRANSPARENT);
         }
 
+        if (mForceNavBarOpaque) {
+            vis &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT);
+        }
+
         if (mForceWindowDrawsStatusBarBackground) {
             vis |= View.STATUS_BAR_TRANSPARENT;
             vis &= ~View.STATUS_BAR_TRANSLUCENT;