polling a HTTP server from J2ME client

Question

I have a J2ME app running on my mobile phone(client),

I would like to open an HTTP connection with the server and keep polling for updated information on the server.

Answer 1

I don't know exactly what you mean by "polling", do you mean something like IMAP IDLE? A connection stays open and there is no overhead for building up the connection itself again and again. As stated, another possible solution is the HEAD Header of a HTTP Request (forgot it, thanks!).

Look into this tutorial for the basic of HTTP Connections in J2ME.

Pushing data to an application/device without Push Support (like a Blackberry) is not possible.