diff --git a/src/com/android/camera/filmstrip/FilmstripContentPanel.java b/src/com/android/camera/filmstrip/FilmstripContentPanel.java
index 9a427fd..6db8f65 100644
--- a/src/com/android/camera/filmstrip/FilmstripContentPanel.java
+++ b/src/com/android/camera/filmstrip/FilmstripContentPanel.java
@@ -43,6 +43,13 @@
     /** Sets the listener. */
     void setFilmstripListener(FilmstripLayout.Listener listener);
 
+    /**
+     * Hides this panel with animation.
+     *
+     * @return {@code false} if already hidden.
+     */
+    boolean animateHide();
+
     /** Hides this panel */
     void hide();