How to send data via TCP

Hi all

I am trying to write a very simple application that will transfer data via TCP to another computer running a TCP server. (About 3K of data)

Although I followed the code example in the 4.6 Java Development Guide, page 101, on the use of the socket connections, ( I've been running into questions that data transfer crashes after an undetermined number of bytes.

Someone at - it sample code to open a TCP connection and sending the data? This seems to be a very common thing to do, so I don't know what is my problem.

Thank you


I'm not going to answer your first question, I think that we must resolve this problem before you watch something else (and I suspect they are all related).

I would almost guarantee that you run your socket send and receive on the thread of events.  The thread of events, that's what treats your interaction Menu, trackball movement etc.  If you perform a long running or blocking on this Thread, your device will freeze.

Look at the demo of Socket and move your network of transformation to a Thread separate, as does the sample.

To confirm that the treatment of your socket is executed on the event Thread, you can add this code, run it in the Simulator and watch it in the output window of the debugger and set a breakpoint on the line to System.out.

If {(Application.getApplication (), isEventThread ())}

System.out.println ("running in the thread of events and should not be");


Tags: BlackBerry Developers

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