@Override
 public MqttConnectOptions getConnectionOptions() {
   MqttConnectOptions options = new MqttConnectOptions();
   if (this.cleanSession != null) {
     options.setCleanSession(this.cleanSession);
   }
   if (this.connectionTimeout != null) {
     options.setConnectionTimeout(this.connectionTimeout);
   }
   if (this.keepAliveInterval != null) {
     options.setKeepAliveInterval(this.keepAliveInterval);
   }
   if (this.password != null) {
     options.setPassword(this.password.toCharArray());
   }
   if (this.socketFactory != null) {
     options.setSocketFactory(this.socketFactory);
   }
   if (this.sslProperties != null) {
     options.setSSLProperties(this.sslProperties);
   }
   if (this.userName != null) {
     options.setUserName(this.userName);
   }
   if (this.will != null) {
     options.setWill(
         this.will.getTopic(), this.will.getPayload(), this.will.getQos(), this.will.isRetained());
   }
   if (this.serverURIs != null) {
     options.setServerURIs(this.serverURIs);
   }
   return options;
 }
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    ButterKnife.inject(this);

    mapView.addLayer(
        new ArcGISTiledMapServiceLayer(
            "http://cache1.arcgisonline.cn/ArcGIS/rest/services/ChinaOnlineCommunity/MapServer"));

    layer = new GraphicsLayer();
    mapView.addLayer(layer);

    mapView.getLocationDisplayManager().start();
    mapView.getLocationDisplayManager().setLocationListener(this);

    try {
      client =
          new MqttAndroidClient(
              this, "tcp://broker.mqttdashboard.com:1883", "Likaci/MqttMap/" + id);
      client.setCallback(this);
      MqttConnectOptions options = new MqttConnectOptions();
      options.setKeepAliveInterval(10);
      options.setConnectionTimeout(1000);
      options.setCleanSession(false);
      client.connect(options, null, this);
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
  private MqttConnectOptions getConnectOptions(
      String userName,
      String password,
      Boolean clearSession,
      Integer connectionTimeout,
      String lwtTopic,
      String lwtMessage,
      Integer lwtQos,
      Boolean lwtRetained) {
    MqttConnectOptions connectOpts = new MqttConnectOptions();

    if (!StringUtility.isNullOrEmpty(userName)) {
      connectOpts.setUserName(userName);

      if (!StringUtility.isNullOrEmpty(password)) {
        connectOpts.setPassword(password.toCharArray());
      }
    }

    if (clearSession != null) {
      connectOpts.setCleanSession(clearSession);
    }

    if (connectionTimeout != null) {
      connectOpts.setConnectionTimeout(connectionTimeout);
    }

    if (!StringUtility.isNullOrEmpty(lwtTopic) && !StringUtility.isNullOrEmpty(lwtMessage)) {
      connectOpts.setWill(
          lwtTopic,
          lwtMessage.getBytes(),
          NumberUtility.nvl(lwtQos, 1),
          BooleanUtility.nvl(lwtRetained, false));
    }

    return connectOpts;
  }
  public boolean connect(Properties props) {

    brokerUrl = props.getProperty("brokerurl", null);
    if (brokerUrl == null) {
      throw new RuntimeException("Could not find parameter brokerur");
    }

    Random rnd = new Random();
    clientId =
        props.getProperty(
            "clientid",
            System.getenv("mqtt.clientid") != null
                ? System.getenv("mqtt.clientid")
                : "mqtt.loadgen." + rnd.nextInt(100000));
    if (clientId == null || clientId.length() == 0) {
      try {
        clientId =
            NetworkInterface.getNetworkInterfaces().hasMoreElements()
                ? NetworkInterface.getNetworkInterfaces()
                    .nextElement()
                    .getInetAddresses()
                    .nextElement()
                    .getHostName()
                : "noop";
      } catch (Exception ex) {
        LOG.log(Level.SEVERE, "Could not retrieve hostname", ex);
      }
    }

    // This sample stores in a temporary directory... where messages temporarily
    // stored until the message has been delivered to the server.
    // ..a real application ought to store them somewhere
    // where they are not likely to get deleted or tampered with
    File tmpDir = createTempDir();
    MqttDefaultFilePersistence dataStore = new MqttDefaultFilePersistence(tmpDir.getAbsolutePath());
    LOG.log(
        Level.INFO, "Using directory {0} for temporary message storage", tmpDir.getAbsolutePath());

    try {
      // Construct the connection options object that contains connection parameters
      // such as cleanSession and LWT
      conOpt = new MqttConnectOptions();
      conOpt.setCleanSession(Boolean.parseBoolean(props.getProperty("cleansession", "true")));
      conOpt.setConnectionTimeout(Integer.parseInt(props.getProperty("connectiontimeout", "100")));
      conOpt.setKeepAliveInterval(Integer.parseInt(props.getProperty("keepaliveinterval", "100")));
      conOpt.setSocketFactory(
          SslUtil.getSocketFactory(
              props.getProperty("cafile"),
              props.getProperty("cert"),
              props.getProperty("privkey"),
              props.getProperty("password", "dummy")));

      // Construct an MQTT blocking mode client
      client = new MqttClient(this.brokerUrl, clientId, dataStore);

      // Wait max 10sec for a blocking call
      client.setTimeToWait(10000);

      // Set this wrapper as the callback handler
      client.setCallback(this);

      // Connect to the MQTT server
      LOG.log(
          Level.INFO,
          "Connecting to {0} with client ID {1}",
          new Object[] {brokerUrl, client.getClientId()});
      client.connect(conOpt);
      LOG.info("Connected");

      connected = true;

      return connected;

    } catch (MqttException e) {
      LOG.log(Level.WARNING, "Unable to set up client: " + e.toString(), e);
    } catch (Exception ex) {
      LOG.log(Level.SEVERE, "Could not create connection: " + ex.getLocalizedMessage(), ex);
    }
    return false;
  }
  /**
   * Process data from the connect action
   *
   * @param data the {@link Bundle} returned by the {@link NewConnection} Acitivty
   */
  private void connectAction(Bundle data) {
    MqttConnectOptions conOpt = new MqttConnectOptions();
    /*
     * Mutal Auth connections could do something like this
     *
     *
     * SSLContext context = SSLContext.getDefault();
     * context.init({new CustomX509KeyManager()},null,null); //where CustomX509KeyManager proxies calls to keychain api
     * SSLSocketFactory factory = context.getSSLSocketFactory();
     *
     * MqttConnectOptions options = new MqttConnectOptions();
     * options.setSocketFactory(factory);
     *
     * client.connect(options);
     *
     */

    //    public Properties getSSLSettings() {
    //        final Properties properties = new Properties();
    //        properties.setProperty("com.ibm.ssl.keyStore",
    //            "C:/BKSKeystore/mqttclientkeystore.keystore");
    //        properties.setProperty("com.ibm.ssl.keyStoreType", "BKS");
    //        properties.setProperty("com.ibm.ssl.keyStorePassword", "passphrase");
    //        properties.setProperty("com.ibm.ssl.trustStore",
    //            "C:/BKSKeystore/mqttclienttrust.keystore");
    //        properties.setProperty("com.ibm.ssl.trustStoreType", "BKS");
    //        properties.setProperty("com.ibm.ssl.trustStorePassword", "passphrase ");
    //
    //        return properties;
    //    }

    try {

      SSLContext context;
      KeyStore ts = KeyStore.getInstance("BKS");
      ts.load(getResources().openRawResource(R.raw.test), "123456".toCharArray());
      TrustManagerFactory tmf = TrustManagerFactory.getInstance("X509");
      tmf.init(ts);
      TrustManager[] tm = tmf.getTrustManagers();
      context = SSLContext.getInstance("TLS");
      context.init(null, tm, null);

      // SocketFactory factory= SSLSocketFactory.getDefault();
      // Socket socket =factory.createSocket("localhost", 10000);
      SocketFactory factory = context.getSocketFactory();
      conOpt.setSocketFactory(factory);

    } catch (Exception e) {
      // TODO: handle exception
    }

    // The basic client information
    String server = (String) data.get(ActivityConstants.server);
    String clientId = (String) data.get(ActivityConstants.clientId);
    int port = Integer.parseInt((String) data.get(ActivityConstants.port));
    boolean cleanSession = (Boolean) data.get(ActivityConstants.cleanSession);

    boolean ssl = (Boolean) data.get(ActivityConstants.ssl);
    String uri = null;
    if (ssl) {
      Log.e("SSLConnection", "Doing an SSL Connect");
      uri = "ssl://";

    } else {
      uri = "tcp://";
    }

    uri = uri + server + ":" + port;

    MqttClientAndroidService client;
    client = Connections.getInstance(this).createClient(this, uri, clientId);
    // create a client handle
    String clientHandle = uri + clientId;

    // last will message
    String message = (String) data.get(ActivityConstants.message);
    String topic = (String) data.get(ActivityConstants.topic);
    Integer qos = (Integer) data.get(ActivityConstants.qos);
    Boolean retained = (Boolean) data.get(ActivityConstants.retained);

    // connection options

    String username = (String) data.get(ActivityConstants.username);

    String password = (String) data.get(ActivityConstants.password);

    int timeout = (Integer) data.get(ActivityConstants.timeout);
    int keepalive = (Integer) data.get(ActivityConstants.keepalive);

    Connection connection = new Connection(clientHandle, clientId, server, port, this, client, ssl);
    arrayAdapter.add(connection);

    connection.registerChangeListener(changeListener);
    // connect client

    String[] actionArgs = new String[1];
    actionArgs[0] = clientId;
    connection.changeConnectionStatus(ConnectionStatus.CONNECTING);

    conOpt.setCleanSession(cleanSession);
    conOpt.setConnectionTimeout(timeout);
    conOpt.setKeepAliveInterval(keepalive);
    if (!username.equals(ActivityConstants.empty)) {
      conOpt.setUserName(username);
    }
    if (!password.equals(ActivityConstants.empty)) {
      conOpt.setPassword(password.toCharArray());
    }

    final ActionListener callback =
        new ActionListener(this, ActionListener.Action.CONNECT, clientHandle, actionArgs);

    boolean doConnect = true;

    if ((!message.equals(ActivityConstants.empty)) || (!topic.equals(ActivityConstants.empty))) {
      // need to make a message since last will is set
      try {
        conOpt.setWill(topic, message.getBytes(), qos.intValue(), retained.booleanValue());
      } catch (Exception e) {
        doConnect = false;
        callback.onFailure(null, e);
      }
    }
    client.setCallback(new MqttCallbackHandler(this, clientHandle));
    connection.addConnectionOptions(conOpt);
    Connections.getInstance(this).addConnection(connection);
    if (doConnect) {
      try {
        client.connect(conOpt, null, callback);
      } catch (MqttException e) {
        Log.e(this.getClass().getCanonicalName(), "MqttException Occured", e);
      }
    }
  }