1 files changed, 19 insertions, 0 deletions
diff --git a/core/java/android/util/DebugUtils.java b/core/java/android/util/DebugUtils.java
index 56f389c9faa9..65fc35c8947e 100644
--- a/core/java/android/util/DebugUtils.java
+++ b/core/java/android/util/DebugUtils.java
@@ -101,4 +101,23 @@ public class DebugUtils {
         return match;
     }
 
+    /** @hide */
+    public static void buildShortClassTag(Object cls, StringBuilder out) {
+        if (cls == null) {
+            out.append("null");
+        } else {
+            String simpleName = cls.getClass().getSimpleName();
+            if (simpleName == null || simpleName.isEmpty()) {
+                simpleName = cls.getClass().getName();
+                int end = simpleName.lastIndexOf('.');
+                if (end > 0) {
+                    simpleName = simpleName.substring(end+1);
+                }
+            }
+            out.append(simpleName);
+            out.append('{');
+            out.append(Integer.toHexString(System.identityHashCode(cls)));
+        }
+    }
+
 }