Look into reported reccuring crash

[PerrineAguiar]

This crash seems to happen quite often according to the GooglePlay Console:

java.lang.RuntimeException: 
  at android.app.ActivityThread.performDestroyActivity (ActivityThread.java:3832)
  at android.app.ActivityThread.handleDestroyActivity (ActivityThread.java:3850)
  at android.app.ActivityThread.access$1500 (ActivityThread.java:150)
  at android.app.ActivityThread$H.handleMessage (ActivityThread.java:1398)
  at android.os.Handler.dispatchMessage (Handler.java:102)
  at android.os.Looper.loop (Looper.java:148)
  at android.app.ActivityThread.main (ActivityThread.java:5418)
  at java.lang.reflect.Method.invoke (Native Method)
  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run (ZygoteInit.java:726)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:616)
Caused by: java.lang.RuntimeException: 
  at org.ros.internal.node.xmlrpc.XmlRpcClientFactory$1.invoke (XmlRpcClientFactory.java:157)
  at java.lang.reflect.Proxy.invoke (Proxy.java:393)
  at $Proxy1.hasParam (Unknown Source)
  at org.ros.internal.node.client.ParameterClient.hasParam (ParameterClient.java:116)
  at org.ros.internal.node.parameter.DefaultParameterTree.has (DefaultParameterTree.java:66)
  at org.ros.internal.node.parameter.DefaultParameterTree.has (DefaultParameterTree.java:71)
  at eu.intermodalics.tango_ros_common.ParameterNode.setPreferencesFromParameterServer (ParameterNode.java:110)
  at eu.intermodalics.tango_ros_streamer.activities.RunningActivity.onDestroy (RunningActivity.java:581)
  at android.app.Activity.performDestroy (Activity.java:6456)
  at android.app.Instrumentation.callActivityOnDestroy (Instrumentation.java:1143)
  at android.app.ActivityThread.performDestroyActivity (ActivityThread.java:3819)