Клиент -android, сервер -java app

package com.example.client;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.net.Socket;
import java.net.UnknownHostException;
import com.example.client.R;
import android.app.Activity;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
 
public class MainActivity extends Activity {
 
private Socket client;
private PrintWriter printwriter;
private EditText textField;
private Button button;
private String messsage;
String ip="192.168.0.80";
int port=80;
 
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
 
setContentView(R.layout.activity_main);
textField = (EditText) findViewById(R.id.textout); 
button = (Button) findViewById(R.id.send);
 
button.setOnClickListener(new View.OnClickListener() {
 
public void onClick(View v) {
 
messsage = textField.getText().toString(); 
Socket client =null;
textField.setText("");      
DataOutputStream dataOutputStream= null;
DataInputStream dataInputStream = null;
 
try {
 
 client = new Socket("192.168.0.80", 80);
 client.setSoTimeout(100);
 dataOutputStream = new DataOutputStream(client.getOutputStream());
 dataInputStream = new DataInputStream(client.getInputStream());
 dataOutputStream.writeUTF(messsage);
 /*
 printwriter = new PrintWriter(client.getOutputStream(),true);
 printwriter.write(messsage);  
 
 printwriter.close();
 client.close();   
*/
} catch (UnknownHostException e) {
 e.printStackTrace();
} catch (IOException e) {
    System.out.println("Got an IOException: " + e.getMessage());
}
}
});
}
}