diff --git a/server/robotserver/android_agent.cc b/server/robotserver/android_agent.cc
index 9baa4582..37efc431 100644
--- a/server/robotserver/android_agent.cc
+++ b/server/robotserver/android_agent.cc
@@ -11,3 +11,8 @@ AndroidAgent::AndroidAgent()
 AndroidAgent::~AndroidAgent()
 {
 }
+
+behaviac::EBTStatus AndroidAgent::CoIdle(int min_val, int max_val)
+{
+
+}
diff --git a/server/robotserver/android_agent.h b/server/robotserver/android_agent.h
index de3701d7..954a0380 100644
--- a/server/robotserver/android_agent.h
+++ b/server/robotserver/android_agent.h
@@ -2,6 +2,8 @@
 
 #include "base_agent.h"
 
+#include "behaviac/behaviac.h"
+
 namespace a8
 {
     template<typename T>
@@ -21,6 +23,8 @@ public:
 
     //BEHAVIAC_DECLARE_AGENTTYPE(AndroidAgent, BaseAgent)
 
+    behaviac::EBTStatus CoIdle(int min_val, int max_val);
+
 public:
 
 };