java - rosjava (android_core) pub sub example nodes isolated -

-

I am trying to add Android Pub tutorial to android_core with a master core in my server.

In fact, the example runs fine and I am capable of receiving messages in an activity listening to an Android subscriber, which is sent from the spoken node written in Roshwaw.

And when I run an additional listener node, it subscribes properly: 

  Rostopic information / nonsense type: std_msgs / string publisher: * / rosjava_tutorial_pubsub / talker (Http://10.0.2.15:45508/) Members: * / listener_6323_1412952506377 (http: // laptop: 37300 /) * / android_gingerbread / ros_text_view (http://10.0.2.15:47832/)   
 The graph should look like this:  
 | / Listener_6323_1412952506377 | ------- & gt; | / Rosjava_tutorial_pubsub / talker | | / Android_gingerbread / ros_text_view | - & gt; | --------------------------------- |  
 So, the problem is that even if it is subscribed, it will not show anything, the emulator send the message to the listener in the emulator, but the external audience does not. Apart from this, I tried to send a message from the console, and the listener received it properly in the console, but the listener will not see it in the emulator. Besides, I saw that when I run rqt_graph, then it immediately after launching the Android APP Work ceases.  
 I am using the ROS_MATAURI set on my IP, in both the console and the emulator, so the namespace is unmatched.  
 What's going on here?, The namespace problem of messages ?, version dissonance problem ?. IDK  
 Regards   
 itemprop = "text"> 
 The problem was the Android emulator, which separates the network virtual device The interface 2 solutions are: 1) Forward ports to show nodes out. 2) Get rid of emu and use a real device.

Comments

Post a Comment

Popular posts from this blog

java - ImportError: No module named py4j.java_gateway -

-
I'm trying to call the Python using the Java program py4j . I've been installing the plug-in Eclipse and test name Piidvi project. I'm trying to execute the following part of the code found on py4j webpage: Import from py4j.java_gateway to JavaGateway, java_import gateway = JavaGateway () jvm = gateway.jvm java_import (jvm, '' Org.eclipse Kkorkrisorsej. * ") Vrkspes_rut = Jvankresourkesplginkgetvrkspas (). GetRoot (Gateway .help (workspace_root, '* Projects *') project_names = [project.getName () (for projects workpace_root.getProjects))] print (Projekt_nam) But I There is an error in import. I have checked that the P4JJ is present in the Jar Eclipse plugin directory. Can anyone help please? I had to install the py4j application
Read more

python - Receiving "KeyError" after decoding json result from url -

-
I am new to Python I am trying to parse JSON result from a URL. Basically, I was using the following: response = urllib.request.urlopen (url) json_obj = json.load (response) It should be a stroke "str 'not' bytes' in the lines of a given" JSON object, so after searching on the StackoverView Flo, I decode the response in this way: F = urllib.request.urlopen (Url) charset = f.info (). Get_param ('charset', 'utf8') data = f.read () decoded = json.loads (data.decode (charset)) If I print "decode" I is as follows: { 'link': { 'summary data': 'https: // localhost / piwebapi / streams / p0_7qHaW4UHU-RlCaz8tpasAAQAAAAU0hJTExNQU42NDIwXFNJTlVTT0lE / summary' 'value': 'https: // localhost / Piwebapi / streams / P0_7qHaW4UHU-RlCaz8tpasAAQAAAAU0hJTExNQU42NDIwXFNJTlVTT0lE / price ',' InterpolatedData ':' https: // localhost / Piwebapi / streams / P0_7qHaW4UHU-RlCaz8tpasAAQAAAAU0hJTE...
Read more

.net - Creating a new Queue Manager and Queue in Websphere MQ (using C#) -

-
"itemprop =" text "> I am writing applications that use WebSphere MQ to send messages. My unittests (for flow), I want to verify that I have put the correct message on the response queue. I am trying to figure out how to do this. My main obstacle is that I think it might be scary to clear the queue before running in my queue because the same queue can be used by other applications, I thought a decent solution would be a new line The manager will remove the queue for my solidarity and after using it. So my question is: Is it possible to use C # by using queue manager and queue? After the For future reference and future people, who want to make queues. I thought how to make and remove IBM MQ QE (not quenhers) with PCM messaging. It is not very simple, but it can be done. We have implemented it in a library and it is being used to create and delete commands before and after integration tests. The most important part of the code in this library is shown in the...
Read more