new datagram with address zero

I use "(UDPDatagramConnection) myclient.newDatagram (data, data.length)" to create a datagram, but Datagram.getAddress () returns null. If I call Datagram.setAddress (url), then myclient.send (Datagram) will throw "wrong address".

Does this mean the front (url) Connector.open (UDPDatagramConnection) failed somewhere? He does not throw any exceptions, and is not equal to null. How can I make sure if the UDPDatagramConnection has been created really OK?

And is there any sample demo of datagram for JDE4.2?

Thank you very much!

It is not necessary that the application set the address.  This should be handled by the BlackBerry when sending.

The version 4.7.0 Blackberry JDE contains a sample application upddemo that shows how send and receive a datagram on a UDP connection.  I recommend referring to it for an example.

Tags: BlackBerry Developers

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