@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 void doConnect() {
L.info(
"Connecting to MQTT broker "
+ mqttc.getServerURI()
+ " with CLIENTID="
+ mqttc.getClientId()
+ " and TOPIC PREFIX="
+ topicPrefix);
MqttConnectOptions copts = new MqttConnectOptions();
copts.setWill(topicPrefix + "connected", "0".getBytes(), 1, true);
copts.setCleanSession(true);
copts.setUserName("emonpi");
copts.setPassword("emonpimqtt2016".toCharArray());
try {
mqttc.connect(copts);
sendConnectionState();
L.info("Successfully connected to broker, subscribing to " + topicPrefix + "(set|get)/#");
try {
mqttc.subscribe(topicPrefix + "set/#", 1);
mqttc.subscribe(topicPrefix + "get/#", 1);
shouldBeConnected = true;
} catch (MqttException mqe) {
L.log(Level.WARNING, "Error subscribing to topic hierarchy, check your configuration", mqe);
throw mqe;
}
} catch (MqttException mqe) {
L.log(
Level.WARNING,
"Error while connecting to MQTT broker, will retry: " + mqe.getMessage(),
mqe);
queueConnect(); // Attempt reconnect
}
}
private void initMQTT() {
getLogger().info("Init MQTT");
try {
MqttConnectOptions connOpts = new MqttConnectOptions();
connOpts.setCleanSession(true);
this.mqttClient =
new MqttClient("tcp://elab.kr:1883", String.valueOf(this.getServiceId()), persistence);
this.mqttClient.setCallback(this.mqttCallback);
this.mqttClient.connect(connOpts);
} catch (MqttException e) {
getLogger().fatal("Not Connected MQTT broker", e);
}
}
public MQTTAdapterListener(
MQTTBrokerConnectionConfiguration mqttBrokerConnectionConfiguration,
String topic,
String mqttClientId,
InputEventAdapterListener inputEventAdapterListener,
int tenantId) {
if (mqttClientId == null || mqttClientId.trim().isEmpty()) {
mqttClientId = MqttClient.generateClientId();
}
this.mqttBrokerConnectionConfiguration = mqttBrokerConnectionConfiguration;
this.cleanSession = mqttBrokerConnectionConfiguration.isCleanSession();
int keepAlive = mqttBrokerConnectionConfiguration.getKeepAlive();
this.topic = topic;
this.eventAdapterListener = inputEventAdapterListener;
this.tenantId = tenantId;
// SORTING messages until the server fetches them
String temp_directory = System.getProperty("java.io.tmpdir");
MqttDefaultFilePersistence dataStore = new MqttDefaultFilePersistence(temp_directory);
try {
connectionOptions = new MqttConnectOptions();
connectionOptions.setCleanSession(cleanSession);
connectionOptions.setKeepAliveInterval(keepAlive);
// Construct an MQTT blocking mode client
mqttClient =
new MqttClient(
this.mqttBrokerConnectionConfiguration.getBrokerUrl(), mqttClientId, dataStore);
// Set this wrapper as the callback handler
mqttClient.setCallback(this);
String contentValidatorClassName =
this.mqttBrokerConnectionConfiguration.getContentValidatorClassName();
if (contentValidatorClassName != null
&& contentValidatorClassName.equals(MQTTEventAdapterConstants.DEFAULT)) {
contentValidator = new DefaultContentValidator();
} else if (contentValidatorClassName != null && !contentValidatorClassName.isEmpty()) {
try {
Class<? extends ContentValidator> contentValidatorClass =
Class.forName(contentValidatorClassName).asSubclass(ContentValidator.class);
contentValidator = contentValidatorClass.newInstance();
} catch (ClassNotFoundException e) {
throw new MQTTContentInitializationException(
"Unable to find the class validator: " + contentValidatorClassName, e);
} catch (InstantiationException e) {
throw new MQTTContentInitializationException(
"Unable to create an instance of :" + contentValidatorClassName, e);
} catch (IllegalAccessException e) {
throw new MQTTContentInitializationException("Access of the instance in not allowed.", e);
}
}
String contentTransformerClassName =
this.mqttBrokerConnectionConfiguration.getContentTransformerClassName();
if (contentTransformerClassName != null
&& contentTransformerClassName.equals(MQTTEventAdapterConstants.DEFAULT)) {
contentTransformer = new DefaultContentTransformer();
} else if (contentTransformerClassName != null && !contentTransformerClassName.isEmpty()) {
try {
Class<? extends ContentTransformer> contentTransformerClass =
Class.forName(contentTransformerClassName).asSubclass(ContentTransformer.class);
contentTransformer = contentTransformerClass.newInstance();
} catch (ClassNotFoundException e) {
throw new MQTTContentInitializationException(
"Unable to find the class transfoer: " + contentTransformerClassName, e);
} catch (InstantiationException e) {
throw new MQTTContentInitializationException(
"Unable to create an instance of :" + contentTransformerClassName, e);
} catch (IllegalAccessException e) {
throw new MQTTContentInitializationException("Access of the instance in not allowed.", e);
}
}
} catch (MqttException e) {
log.error(
"Exception occurred while subscribing to MQTT broker at "
+ mqttBrokerConnectionConfiguration.getBrokerUrl());
throw new InputEventAdapterRuntimeException(e);
}
}
