Merge "Clear all DragView in onResume" into tm-dev
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index ad87451..135b88d 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -1169,6 +1169,7 @@
         }
 
         AbstractFloatingView.closeAllOpenViewsExcept(this, false, TYPE_REBIND_SAFE);
+        DragView.removeAllViews(this);
         TraceHelper.INSTANCE.endSection(traceToken);
     }
 
diff --git a/src/com/android/launcher3/dragndrop/DragView.java b/src/com/android/launcher3/dragndrop/DragView.java
index a3945fd..0264ae2 100644
--- a/src/com/android/launcher3/dragndrop/DragView.java
+++ b/src/com/android/launcher3/dragndrop/DragView.java
@@ -578,4 +578,19 @@
         iv.setImageDrawable(drawable);
         return iv;
     }
+
+    /**
+     * Removes any stray DragView from the DragLayer.
+     */
+    public static void removeAllViews(ActivityContext activity) {
+        BaseDragLayer dragLayer = activity.getDragLayer();
+        // Iterate in reverse order. DragView is added later to the dragLayer,
+        // and will be one of the last views.
+        for (int i = dragLayer.getChildCount() - 1; i >= 0; i--) {
+            View child = dragLayer.getChildAt(i);
+            if (child instanceof DragView) {
+                dragLayer.removeView(child);
+            }
+        }
+    }
 }