diff --git a/core/api/current.txt b/core/api/current.txt
index 82264c177248b..e05080d3b5146 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -52965,7 +52965,7 @@ package android.view.translation {
   public interface UiTranslationStateCallback {
     method public void onFinished();
     method public void onPaused();
-    method public void onResumed(@NonNull android.icu.util.ULocale, @NonNull android.icu.util.ULocale);
+    method public default void onResumed(@NonNull android.icu.util.ULocale, @NonNull android.icu.util.ULocale);
     method @Deprecated public void onStarted(@NonNull String, @NonNull String);
     method public default void onStarted(@NonNull android.icu.util.ULocale, @NonNull android.icu.util.ULocale);
   }
diff --git a/core/java/android/view/translation/UiTranslationStateCallback.java b/core/java/android/view/translation/UiTranslationStateCallback.java
index 968cbdcbd69d3..1bae0efb632ee 100644
--- a/core/java/android/view/translation/UiTranslationStateCallback.java
+++ b/core/java/android/view/translation/UiTranslationStateCallback.java
@@ -54,7 +54,9 @@ public interface UiTranslationStateCallback {
      * The system is requesting that the application restore from the temporarily paused state and
      * show the content in translated language.
      */
-    void onResumed(@NonNull ULocale sourceLocale, @NonNull ULocale targetLocale);
+    // TODO: Remove the default implementation when clients have implemented this.
+    default void onResumed(@NonNull ULocale sourceLocale, @NonNull ULocale targetLocale) {
+    }
 
     /**
      * The UI Translation session has ended.