Erreur "java.net.bindexception address already in use console:java.net.ConnectException: Connection timed out"

logcat:java.net.bindexception address already in use. at libcore.io.iobridge.blind

console: java.net.ConnectException: Connection timed out: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source

i want to send my file apk from server java to client android in the localhost main activity in my android application:

Code:

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public class MainActivity extends Activity implements OnClickListener { public static String ism;
 
Button btn;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
 
        btn = (Button) findViewById(R.id.but);
        btn.setOnClickListener(this);
        addButtonClickListner();
 
    }
 
    public void addButtonClickListner() {
        Button btnNavigator = (Button)findViewById(R.id.button1);
 
        Button btn3 = (Button) findViewById(R.id.efface);
        btn3.setOnClickListener(new OnClickListener() {
 
            //le button effacer l'historique l'historique
            @Override
            public void onClick(View v) {
                Initial_historique.lance();
 
            }
        });
 
 
        btnNavigator.setOnClickListener(new OnClickListener() {
 
            //button pour recevoire le .apk appel socket
            @Override
            public void onClick(View arg) {
                // TODO Auto-generated method stub
 
                new Thread(new Runnable() {
                    @Override
                    public void run() {
 
                            try {
                                SocketFromServer.soc();
                            } catch (IOException e) {
                                // TODO Auto-generated catch block
                                e.printStackTrace();
                            }
 
                    }   
                      }).start();
 
 
                //appel au thread pour recevoire 
 
            }
        });
    }
}

my class socket in the android application:

Code:

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public class SocketFromServer
{
    public static void soc() throws IOException 
    { 
        Socket sock = new ServerSocket(9001).accept();
 
        Commun.transfert(
                sock.getInputStream(),
                new FileOutputStream("/data/data/com.so.and/And1.apk"),
                true);
 
        sock.close(); 
    } 
}

my main in java application:

Code:

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public class Serveur
{
 
 
    public static void main(String[] args) throws IOException, InterruptedException 
    {
            SocketToClient.socket();
 
    }
}

my class socket in my java application:

Code:

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public class SocketToClient
{
    public static void socket() throws IOException 
    { 
        Socket sock = new Socket("10.0.2.2",9001);
 
        Commun.transfert(
                new FileInputStream("C:/Users/admin/Desktop/ws/serveur/And.apk"),
                sock.getOutputStream(),
                true);
 
        sock.close();
    } 
}
 
public  class Commun extends SocketToClient
{
    public static void transfert(InputStream in, OutputStream out, boolean closeOnExit) throws IOException
    {
        byte buf[] = new byte[1024];
 
        int n;
        while((n=in.read(buf))!=-1)
            out.write(buf,0,n);
 
        if (closeOnExit)
        {
            in.close();
            out.close();
        }
    }
}