diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index cd2bc59..0414a5b 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -3823,6 +3823,9 @@
                 mAppsCustomizeTabHost.trimMemory();
             }
         }
+        if (mLauncherCallbacks != null) {
+            mLauncherCallbacks.onTrimMemory(level);
+        }
     }
 
     protected void showWorkspace(boolean animated) {
diff --git a/src/com/android/launcher3/LauncherCallbacks.java b/src/com/android/launcher3/LauncherCallbacks.java
index a1f4e0b..d8128d6 100644
--- a/src/com/android/launcher3/LauncherCallbacks.java
+++ b/src/com/android/launcher3/LauncherCallbacks.java
@@ -42,6 +42,7 @@
     public void dump(String prefix, FileDescriptor fd, PrintWriter w, String[] args);
     public void onHomeIntent();
     public boolean handleBackPressed();
+    public void onTrimMemory(int level);
 
     /*
      * Extension points for providing custom behavior on certain user interactions.
diff --git a/src/com/android/launcher3/LauncherExtension.java b/src/com/android/launcher3/LauncherExtension.java
index b264042..fe9bd6c 100644
--- a/src/com/android/launcher3/LauncherExtension.java
+++ b/src/com/android/launcher3/LauncherExtension.java
@@ -108,6 +108,10 @@
         }
 
         @Override
+        public void onTrimMemory(int level) {
+        }
+
+        @Override
         public void onLauncherProviderChange() {
         }