java - Having trouble connecting android with MQTT to broker -


i trying connect apollo broker, code works when use alone in normal java project, the same except in android project , try run when click button mainactivity.

i have text box gets updated "1" before try connect mqttclient second .sett("2") not run think problem client.connect(opts) if client.connect() text box gets updated "2" since need username , password opts rest not run

just started using mqtt learning go along. help.

package com.example.androidmqtt;  import org.eclipse.paho.client.mqttv3.mqttclient; import org.eclipse.paho.client.mqttv3.mqttconnectoptions; import org.eclipse.paho.client.mqttv3.mqttdeliverytoken; import org.eclipse.paho.client.mqttv3.mqttexception; import org.eclipse.paho.client.mqttv3.mqttmessage; import org.eclipse.paho.client.mqttv3.mqtttopic; import org.eclipse.paho.client.mqttv3.internal.memorypersistence;  public class service {  mqttclient client;  memorypersistence persistence = new memorypersistence();     public service()throws exception{}    public static void main(string[] args) throws exception {     new service().dodemo();   }    public void dodemo() {     try {          client = new mqttclient("tcp://10.1.10.1:1883", "testingmymqtt", persistence);         mainactivity.sett("2");          mqttconnectoptions opts = new mqttconnectoptions();              opts.setusername("nabi");         opts.setpassword("m4rk3".tochararray());             opts.setkeepaliveinterval(480);             mainactivity.sett("1");//sets txt1 in main view 1 know whats going on         client.connect(opts);         mainactivity.sett("2");          mqttmessage msg = new mqttmessage("works".getbytes());         msg.setretained(true);         msg.setqos(1);              mainactivity.sett("its working");         mqtttopic topic = client.gettopic("android/test");          mqttdeliverytoken token = topic.publish(msg);      } catch (mqttexception e) {       e.printstacktrace();     }   }

}

verify android can connect local network 10.1.10.1 , if so, check logs of apollo broker.


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