diff --git a/camera/CameraParameters.cpp b/camera/CameraParameters.cpp
index 3dbf75e..68969cf 100644
--- a/camera/CameraParameters.cpp
+++ b/camera/CameraParameters.cpp
@@ -530,4 +530,8 @@
         -1;
 }
 
+bool CameraParameters::isEmpty() const {
+    return mMap.isEmpty();
+}
+
 }; // namespace android