I am writing a UDP client/server application.
The android phone (client) can send and receive UDP packets if
connected to wi-fi. When using mobile network (2G), however, it can
send packets to the server, but cannot receive packets. The server
does receive and send back packets in all cases.
The client side code is as follows:
byte[] buf = new byte[4096];
DatagramPacket packet = new DatagramPacket(buf, buf.length);
while (true) {
packet.setData(buf);
socket.receive(packet);
...
}
Can anyone give advice? Thanks.
Costa
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