Komunikacja BluetoothSocket - Android

public class Server extends Thread {
    private final BluetoothServerSocket mmServerSocket;

    public Server() {
        BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
        BluetoothServerSocket tmp = null;
        try {
            UUID uuid = UUID.fromString("550e8400-e29b-41d4-a716-446655440000");
            tmp = mBluetoothAdapter.listenUsingRfcommWithServiceRecord("Usługa witająca", uuid);
        } catch (IOException e) {
        }
        mmServerSocket = tmp;
    }

    PrintWriter out;
    BluetoothSocket socket = null;

    public void run() {
        Log.d("INFO", "Uruchamiam serwer");

        try {
            Log.d("INFO", "Czekam na połączenie od clienta");
            socket = mmServerSocket.accept();
            out = new PrintWriter(socket.getOutputStream(), true);
            Log.d("INFO", "Mam clienta!");
            send("Czesc");

        } catch (IOException e) {

        }

    }


    public void send(String wiadomosc) {
        try {

            out.println(wiadomosc);
            out.flush();
        } catch (Exception e) {
            e.printStackTrace();
        }


    }
}

 public Client(BluetoothDevice device, TextView tv) {
        this.tv = tv;
        BluetoothSocket tmp = null;
        mmDevice = device;
        ClientRun cr;
        try {
            UUID uuid = UUID.fromString("550e8400-e29b-41d4-a716-446655440000");
            tmp = device.createRfcommSocketToServiceRecord(uuid);
        } catch (Exception e) {
        }
        mmSocket = tmp;

        try {


        } catch (Exception e) {

        }
    }


    public void run() {


        while (true) {
            try {
                mmSocket.connect();
                Log.d("INFO", "Polaczono z serwerem!");


                in = new BufferedReader(new InputStreamReader(mmSocket.getInputStream()));
                Log.d("INFO", "Przed readem");
                input = in.readLine();

                Log.d("INFO", input);

                mmSocket.close();
            } catch (Exception e) {

            }


        }
    }
}

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.janiu.application6" >
    <uses-permission android:name="android.permission.BLUETOOTH" />
    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />

    <application

        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>