topic to keep alive

[chinesejie]

Sir. I donot think it a good idea to kepp alive by publishing a topic. As I have tested your code, to publish a topic needs sending at lease 7 or 8 bytes. while the mqtt heartbeat is only 2 bytes. That means the best advantage of mqtt is not longer existed.
We could send the MqttPingReq by modify the paho code. See : https://github.com/chinesejie/paho-for-android

[JesseFarebro]

I will definitely take a look at that project. That was always the one
issue with the Paho client and Android. I will update this when I make the
changes.
On Jul 20, 2013 1:08 AM, "Bryant Liang" notifications@github.com wrote:

Sir. I donot think it a good idea to kepp alive by publishing a topic. As
I have tested your code, to publish a topic needs sending at lease 7 or 8
bytes. while the mqtt heartbeat is only 2 bytes. That means the best
advantage of mqtt is not longer existed.

We could send the MqttPingReq bu modify the paho code. See :
https://github.com/chinesejie/paho-for-android

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[chinesejie]

Could you describe what the issue is? I hope to take more test on it.

[JesseFarebro]

This will be changed in my newest release in a couple days. There is an easy work around to access the ping request in the Paho library without changing the source.