I have this Java code that sends string with Socket. I can use the same code for Android.
public class GpcSocket {
private Socket socket;
private static final int SERVERPORT = 9999;
private static final String SERVER_IP = "10.0.1.4";
public void run() {
new Thread(new ClientThread()).start();
}
public int send(String str) {
try {
PrintWriter out = new PrintWriter(new BufferedWriter(
new OutputStreamWriter(socket.getOutputStream())),
true);
out.println(str);
out.flush();
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
return str.length();
}
class ClientThread implements Runnable {
@Override
public void run() {
try {
InetAddress serverAddr = InetAddress.getByName(SERVER_IP);
socket = new Socket(serverAddr, SERVERPORT);
} catch (UnknownHostException e1) {
e1.printStackTrace();
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
}
Now, I need to send binary information encoded in ByteArray. What might be the best ways to do this? I'm considering converting the ByteArray into string to use the same method, but I guess one can send the byte array information directly using Java Sockets.
只需在OutputStream
上调用write(byte[] a)
,即从套接字获得的那个。
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