Client socket cannot recieve message form server

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Android

Hey i am using socket server in c# code and send message from the server but client can't recieve message.if i create client in c# it works fine. Please help ` public class TCPClient {

private String serverMessage;
public static final String SERVERIP = "10.0.0.121"; //your computer IP address
public static final int SERVERPORT = 8221;
private OnMessageReceived mMessageListener = null;
private boolean mRun = false;

PrintWriter out;
BufferedReader in;

/**
* Constructor of the class. OnMessagedReceived listens for the messages received from server
*/
public TCPClient(OnMessageReceived listener) {
mMessageListener = listener;
}

/**
* Sends the message entered by client to the server
* @param message text entered by client
*/
public void sendMessage(String message){
if (out != null && !out.checkError()) {
out.println(message);
out.flush();
}
}

public void stopClient(){
mRun = false;
}

public void run() {

mRun = true;

try {
//here you must put your computer's IP address.
InetAddress serverAddr = InetAddress.getByName(SERVERIP);

Log.e("TCP Client", "C: Connecting...");

//create a socket to make the connection with the server
Socket socket = new Socket(serverAddr, SERVERPORT);

try {

//send the message to the server
out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())), true);

Log.e("TCP Client", "C: Sent.");

Log.e("TCP Client", "C: Done.");

//receive the message which the server sends back
in = new BufferedReader(new InputStreamReader(socket.getInputStream()));

//in this while the client listens for the messages sent by the server
while (mRun) {
serverMessage = in.readLine();

if (serverMessage != null && mMessageListener != null) {
//call the method messageReceived from MyActivity class
mMessageListener.messageReceived(serverMessage);
}
serverMessage = null;

}

Log.e("RESPONSE FROM SERVER", "S: Received Message: '" + serverMessage + "'");

} catch (Exception e) {

Log.e("TCP", "S: Error", e);

} finally {
//the socket must be closed. It is not possible to reconnect to this socket
// after it is closed, which means a new socket instance has to be created.
socket.close();
}

} catch (Exception e) {

Log.e("TCP", "C: Error", e);

}

}

//Declare the interface. The method messageReceived(String message) will must be implemented in the MyActivity
//class at on asynckTask doInBackground
public interface OnMessageReceived {
public void messageReceived(String message);
}
} ` Thanks in advance..