|Re: [paho-dev] Problem about use 'MqttCallBack.deliveryComplete()' method|
MqttCallback.deliveryComplete(MqttDeliveryToken). Also known as "fire and forget"."
Sorry, the token would not be null, but the MqttMessage in it was null :-)
在 2012-6-7，下午2:49， xu zhangxuan 写道：
> I want to do some actions when the message was published.And I want to implement the method.But I got a problem, Once a message was sent, its token would set to null too.So how can I determine which message was sent?
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