更新测试

src/AndroidApp/android_remocons/rocon_remocon/src/main/java/com/github/rosjava/android_remocons/rocon_remocon/fall_dectect/listener.java

@@ -26,7 +26,7 @@ public class listener extends RosAppActivity
     private Toast lastToast;
     private ConnectedNode node;
     private RosTextView<String> rosTextView;
-    //private subscriber sb;
+    private subscriber sb;
 
     public listener()
     {