diff --git a/samples/ThemedNavBarKeyboard/src/com/example/android/themednavbarkeyboard/ThemedNavBarKeyboard.java b/samples/ThemedNavBarKeyboard/src/com/example/android/themednavbarkeyboard/ThemedNavBarKeyboard.java
index b2b19d52c..6b33f3fee 100644
--- a/samples/ThemedNavBarKeyboard/src/com/example/android/themednavbarkeyboard/ThemedNavBarKeyboard.java
+++ b/samples/ThemedNavBarKeyboard/src/com/example/android/themednavbarkeyboard/ThemedNavBarKeyboard.java
@@ -56,6 +56,15 @@ public class ThemedNavBarKeyboard extends InputMethodService {
 
     private KeyboardLayoutView mLayout;
 
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        if (BuildCompat.EFFECTIVE_SDK_INT > Build.VERSION_CODES.P) {
+            // Disable contrast for extended navbar gradient.
+            getWindow().getWindow().setNavigationBarContrastEnforced(false);
+        }
+    }
+
     @Override
     public View onCreateInputView() {
         mLayout = new KeyboardLayoutView(this, getWindow().getWindow());