1 files changed, 8 insertions, 0 deletions
diff --git a/TestMediaApp/src/com/android/car/media/testmediaapp/prefs/TmaPrefs.java b/TestMediaApp/src/com/android/car/media/testmediaapp/prefs/TmaPrefs.java
index 8e9d89f..dd08cd2 100644
--- a/TestMediaApp/src/com/android/car/media/testmediaapp/prefs/TmaPrefs.java
+++ b/TestMediaApp/src/com/android/car/media/testmediaapp/prefs/TmaPrefs.java
@@ -110,6 +110,14 @@ public class TmaPrefs {
             mSharedPrefs.registerOnSharedPreferenceChangeListener(listenerWrapper);
             mListeners.put(listener, listenerWrapper);
         }
+
+        public void unregisterChangeListener(PrefValueChangedListener<T> listener) {
+            OnSharedPreferenceChangeListener listenerWrapper = mListeners.get(listener);
+            if (listenerWrapper != null) {
+                mSharedPrefs.unregisterOnSharedPreferenceChangeListener(listenerWrapper);
+                mListeners.remove(listener);
+            }
+        }
     }