diff --git a/src/com/android/launcher3/DropTargetBar.java b/src/com/android/launcher3/DropTargetBar.java
index eb42a65..08cc730 100644
--- a/src/com/android/launcher3/DropTargetBar.java
+++ b/src/com/android/launcher3/DropTargetBar.java
@@ -275,8 +275,20 @@
     @Override
     protected void onVisibilityChanged(@NonNull View changedView, int visibility) {
         super.onVisibilityChanged(changedView, visibility);
-        if (TestProtocol.sDebugTracing && visibility == VISIBLE) {
-            Log.d(TestProtocol.NO_DROP_TARGET, "9");
+        if (TestProtocol.sDebugTracing) {
+            if (visibility == VISIBLE) {
+                Log.d(TestProtocol.NO_DROP_TARGET, "9");
+            } else {
+                Log.d(TestProtocol.NO_DROP_TARGET, "Hiding drop target", new Exception());
+            }
+        }
+    }
+
+    @Override
+    public void onVisibilityAggregated(boolean isVisible) {
+        super.onVisibilityAggregated(isVisible);
+        if (TestProtocol.sDebugTracing) {
+            Log.d(TestProtocol.NO_DROP_TARGET, "onVisibilityAggregated: " + isVisible);
         }
     }
 }