failure in creating the client socket

I'm trying to connect two emulators in android,one is considered the server and one the client. I use a text view and a handler to post the state of client and the server. The problem with my client is that I can get to create the socket and usually I get an error message posted on the text view.Not only that,but when I try to press buttons on the client app I get force close and I don't know why cause I have a different thread for client's connection:)

Can someone please tell me what I'm doing wrong?

Here is my code:

public class screen1 extends Activity {

private TextView clientState;
private String serverIpAddress="10.0.2.2";
public static final int ClientPort = 8080;
private boolean connected = false;
private Handler handler=new Handler();
Socket socket;
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.screen1);
    clientState = (TextView) findViewById(R.id.client_Status);

    Button b = (Button)findViewById(R.id.mainMenu);
    b.setOnClickListener(new View.OnClickListener() {
       public void onClick(View arg0) {
       Intent i = new Intent(screen1.this, screen2.class);
       startActivity(i);
       } 
    });

   Thread cThread=new Thread(new ClientThread()); 
  cThread.start();  
  }
public class ClientThread implements Runnable{
    public void run()
    {
        try
        {
            InetAddress serverAddr=InetAddress.getByName(ser开发者_如何学GoverIpAddress);
            handler.post(new Runnable(){
                public void run(){
                    clientState.setText(" try to connect!");
                }
            });
            socket=new Socket(serverAddr,ClientPort);

            handler.post(new Runnable(){
                public void run(){
                    clientState.setText("Connected!");
                }
            });

        }
        catch(Exception e){
            handler.post(new Runnable(){
                public void run(){
                    clientState.setText("Error");
                    }
            });

            e.printStackTrace();
        }

    }
}
protected void onStop() {
    super.onStop();
    try {
         // make sure you close the socket upon exiting
         socket.close();
     } catch (IOException e) {
         e.printStackTrace();
     }
}

}

---

I'm not good at Android programming, but I see that you're entering an infinite loop in your code:

while(true){
        handler.post(new Runnable(){
            public void run(){
                clientState.setText("Connected!");
            }
        });
        }