diff --git a/camera/CameraParameters.cpp b/camera/CameraParameters.cpp
index 0fd79a4..1e7abae 100644
--- a/camera/CameraParameters.cpp
+++ b/camera/CameraParameters.cpp
@@ -59,6 +59,8 @@
 const char CameraParameters::KEY_SUPPORTED_FLASH_MODES[] = "flash-mode-values";
 const char CameraParameters::KEY_FOCUS_MODE[] = "focus-mode";
 const char CameraParameters::KEY_SUPPORTED_FOCUS_MODES[] = "focus-mode-values";
+const char CameraParameters::KEY_MAX_NUM_FOCUS_AREAS[] = "max-num-focus-areas";
+const char CameraParameters::KEY_FOCUS_AREAS[] = "focus-areas";
 const char CameraParameters::KEY_FOCAL_LENGTH[] = "focal-length";
 const char CameraParameters::KEY_HORIZONTAL_VIEW_ANGLE[] = "horizontal-view-angle";
 const char CameraParameters::KEY_VERTICAL_VIEW_ANGLE[] = "vertical-view-angle";