1 files changed, 4 insertions, 1 deletions
diff --git a/src/com/android/camera/CameraHardwareException.java b/src/com/android/camera/CameraHardwareException.java
index a975cbd..d1e4387 100644
--- a/src/com/android/camera/CameraHardwareException.java
+++ b/src/com/android/camera/CameraHardwareException.java
@@ -16,8 +16,11 @@
 
 package com.android.camera;
 
+/**
+ * This class represents the condition that we cannot open the camera hardware
+ * successfully. For example, another process is using the camera.
+ */
 public class CameraHardwareException extends Exception {
-    private static final long serialVersionUID = -4453804913829319918L;
 
     public CameraHardwareException() {
     }