Re: [paho-dev] automatically subscribe after a successful connection

[Ian Craggs <icraggs@xxxxxxxxxxxxxxxxxxxxxxx>]

Hi Jacarri,

I assume that you think it is not easy.  The normal way with the asynchronous Java client would be to subscribe in the callback for successful connection.

I'll be looking at the Android code soon.  Up to now it's not something I've had time for.

Ian

On 12/19/2014 01:07 AM, 陈健 wrote:

In order to automatically subscribe after a successful connection. I write a broadcastreceiver  to receive  the intents  of  "MqttService.callbackToActivity.v0". ‍‍I think this should be easy.‍

-------------------------------------------------------------

private void registerReceiverMqtt() {

broadcastReceiver = new BroadcastReceiver() {

static final String TAG = "MqttService";

static final String CALLBACK_ACTION = TAG + ".callbackAction";

static final String CONNECT_ACTION = "connect";

static final String CALLBACK_STATUS = TAG + ".callbackStatus";

@Override

public void onReceive(Context context, Intent intent) {

String action="">

Bundle data = "">

Status status= (Status) data.getSerializable(CALLBACK_STATUS);

if (CONNECT_ACTION.equals(action)) {

if(status ==Status.OK){

try {

mqttClient.subscribe(Constants.TOPIC, 1);

} catch (MqttSecurityException e) {

e.printStackTrace();

} catch (MqttException e) {

e.printStackTrace();

}

}

}

}};

IntentFilter filter = new IntentFilter();

String  fileName="MqttService.callbackToActivity.v0";

filter.addAction(fileName );

registerReceiver(broadcastReceiver, filter);

}‍

-------------------------------------------------------------‍

------------------

Jacarri Chan

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-- 
Ian Craggs                          
icraggs@xxxxxxxxxx                 IBM United Kingdom
Paho Project Lead; Committer on Mosquitto