final String uuid  = "android-uuid";
final String token = "android-token";
final String host  = "tcp://meshblu.octoblu.com:1883";

final Meshblu meshblu = new Meshblu(applicationContext, host);
meshblu.connect(uuid, token, new MeshbluConnectionHandler(){
    @Override
    public void onSuccess() {
        // Connection is ready and subscribed, can now send messages
        String toUuid =  "Some uuid";
        String topic =   "Any Topic";
        String payload = "What's up?";
        meshblu.message(toUuid, topic, payload);
    }

    @Override
    public void onFailure(Throwable throwable) {
        // Handle failure
    }
});

meshblu.onMessage(new MeshbluMessageHandler() {
    @Override
    public void onMessage(String fromUuid, String topic, String payload) {
    }
});

meshblu.onError(new MeshbluErrorHandler() {
   @Override
   public void onError(Throwable throwable) {
   }
});