1 files changed, 6 insertions, 0 deletions
diff --git a/src/com/android/launcher3/touch/SwipeDetector.java b/src/com/android/launcher3/touch/SwipeDetector.java
index 4e3dcf8b8..4616e58fe 100644
--- a/src/com/android/launcher3/touch/SwipeDetector.java
+++ b/src/com/android/launcher3/touch/SwipeDetector.java
@@ -25,6 +25,7 @@ import android.view.VelocityTracker;
 import android.view.ViewConfiguration;
 
 import com.android.launcher3.Utilities;
+import com.android.launcher3.testing.TestProtocol;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
@@ -174,6 +175,11 @@ public class SwipeDetector {
         }
 
         mState = newState;
+        if (com.android.launcher3.testing.TestProtocol.sDebugTracing) {
+            android.util.Log.e(TestProtocol.NO_ALLAPPS_EVENT_TAG,
+                    "setState: " + newState + " @ " + android.util.Log.getStackTraceString(
+                            new Throwable()));
+        }
     }
 
     public boolean isDraggingOrSettling() {