Yes -- have the server confirm each message (or a batch of messages) to
the client.
The client would only removes from its queue those messages that have
been confirmed.
Now you won't have dropped messages, but you may have some messages
being sent twice - if the network disconnects at the wrong time and the
client doesn't receive the confirmation for a message that was accepted
by the server.
To avoid this last issue, assign each message a unique id and have the
server ignore, but confirm, duplicates.
Not much to do with Android, of course - and I suspect Googling should
give you a bunch of better ideas than the above :)
-- K
29.03.2012 11:15, <Hera> написал:
¿Is there any way to detect if the message has arrive to the server?
¿Other way to test connectivity or test the server?
--
Kostya Vasilyev
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