protected void publish() throws MqttException, IOException {
  sampleClientPub=new SampleAsyncCallback(url,clientIdPub,cleanSession,quietMode,userName,password);
  if (sampleClientPub != null) {
    String topic="Sample/Java/v3";
    int qos=2;
    String message="Message from async calback MQTTv3 Java client sample";
    try {
      sampleClientPub.publish(topic,qos,message.getBytes());
    }
 catch (    Throwable e) {
      e.printStackTrace();
    }
  }
}

protected void publish ( ) throws MqttException , IOException { sampleClientPub = new SampleAsyncCallback ( url , clientIdPub , cleanSession , quietMode , userName , password ) ; if ( sampleClientPub != null ) { String topic = "Sample/Java/v3" ; int qos = 2 ; String message = "Message from async calback MQTTv3 Java client sample" ; try { sampleClientPub . publish ( topic , qos , message . getBytes ( ) ) ; } catch ( Throwable e ) { e . printStackTrace ( ) ; } } }
publish / send a message to an mqtt server
