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2015-09-14 20:03:09 -0500 | asked a question | Simple Publisher and Subscriber for rosjava I am working on an android application that will subscribe to a topic. When a message is received, I would like to display the message in a TextView. In my RosActivity's onCreate function I made a simple timer to periodically update the TextView: While in Listener, a subclass of AbstractNodeMain, I have a simple callback function that stores the result in the very same Interestingly enough, the program will read and display messages received over the topic, but only when the program initially loads. |