menu.add(0, sign_up, 0, R.string.signup);
    menu.add(0, exit, 0, R.string.exit);

    return result;
}

public class LogginIn extends Activity {


public static final int Connected_to_service = 0;
public static final int not_Connected_to_service = 4;
public static final int FILL_BOTH_USERNAME_PASSWORD = 1;
public static final String Authentical_Failed = "failed";
public static final String Friend_List = "friend_list";
public static final int Make_sure_username_password = 2;
public static final int Connected_to_network = 3;
public static final int not_connected_to_network = 0;

public EditText username;
public EditText password;



public Manager serviceProvider;

public static final int sign_up = Menu.FIRST;
public static final int exit = Menu.FIRST + 1;



private ServiceConnection mConnection = new ServiceConnection() {
    public void onServiceConnected(ComponentName className, IBinder service) {

        serviceProvider = ((MessagingService.IMBinder)service).getService();

        if(serviceProvider.isUserAuthenticated() == true)
        {
            Intent i = new Intent(LogginIn.this, ListOfFriends.class);
            startActivity(i);
            LogginIn.this.finish();
        }
    }

    public void onServiceDisconnected(ComponentName className) {

        serviceProvider = null;
        Toast.makeText(LogginIn.this, R.string.local_service_stopped,
                Toast.LENGTH_SHORT).show();
    }

};
private int message;



@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);


    startService(new Intent(LogginIn.this, MessagingService.class));


    setContentView(R.layout.loggin_in);
    setTitle("login");

    ImageButton button= (ImageButton) findViewById(R.id.button);

    username = (EditText) findViewById(R.id.username);
    password = (EditText) findViewById(R.id.password);

    button.setOnClickListener(new OnClickListener() {
        @SuppressWarnings("unused")
        public void onClick1(View arg0) {
            if (serviceProvider == null) {
                Toast.makeText(getApplicationContext(), R.string.not_connected_to_service, Toast.LENGTH_LONG).show();

                return;
            } else if (serviceProvider.isNetworkConnected() == false) {
                Toast.makeText(getApplicationContext(), R.string.not_connected_to_service, Toast.LENGTH_LONG).show();
            } else if (username.length() > 0 &&
                    password.length() > 0) {

                Thread loginThread = new Thread() {
                    private Handler handler = new Handler();

                    @Override
                    public void run() {
                        String result = null;
                        try {
                            result = serviceProvider.authenticateUser(username.getText().toString(), password.getText().toString());
                        } catch (UnsupportedEncodingException e) {

                            e.printStackTrace();
                        }
                        if (result == null || result.equals(Authentical_Failed)) {

                            handler.post(new Runnable() {
                                public void run() {
                                    Toast.makeText(getApplicationContext(), R.string.not_connected_to_service, Toast.LENGTH_LONG).show();

                                }

                            });
                        } else {


                            handler.post(new Runnable() {
                                public void run() {
                                    Intent i = new Intent(LogginIn.this, ListOfFriends.class);

                                    startActivity(i);
                                    LogginIn.this.finish();

                                }
                            });

                        }

                    }

                };
                loginThread.start();


            } else {

                Toast.makeText(getApplicationContext(), R.string.fill_both_username_password, Toast.LENGTH_LONG).show();
            }


        }

        @Override
        public void onClick(View arg0) {


        }


    });
}







@Override
protected Dialog onCreateDialog(int id)
{

    switch (id)
    {

        case not_Connected_to_service:
            message = R.string.not_connected_to_service;
            break;
        case FILL_BOTH_USERNAME_PASSWORD:
            message = R.string.fill_both_username_password;
            break;
        case Make_sure_username_password:
            message = R.string.make_sure_username_password_correct;
            break;
        case not_connected_to_network:
            message = R.string.not_connected_to_service;
            break;
        default:
            break;
    }
    return null;
}


public boolean onMenuItemSelected(int featureId, Menu menu){
    boolean result = super.onCreateOptionsMenu(menu);

     menu.add(0, sign_up, 0, R.string.signup);
    menu.add(0, exit, 0, R.string.exit);

    return result;
}
@Override
public boolean onMenuItemSelected(int featureId, MenuItem item) {
    switch (item.getItemId())
    {
        case sign_up:
            Intent i = new Intent(LogginIn.this, SigningUp.class);
            startActivity(i);
            return true;
        case exit:
            return true;
    }
    return super.onMenuItemSelected(featureId, item);

}