public void executeLogin(View v) throws JSONException {
        final EditText loginText = (EditText) findViewById(R.id.email_white_edit);
        final EditText loginPassword = (EditText) findViewById(R.id.password_edit);
 boolean net= executeCammand();
        boolean netstat= InternetCheck.isInternetAvailable();
        if (net==true&&netstat==true) {
//            System.out.println("net available");
        }
        else if (net==false) {
//            System.out.println("net unavailable");
            final AlertDialog.Builder ad = new AlertDialog.Builder(this);
            ad.setTitle("Error! ");
//          ad.setIcon(android.R.drawable.btn_star_big_on);
            ad.setPositiveButton("Close", null);
            ad.setMessage("No internet connection");

            ad.show();
            finishActivity(0);
        }
 		String username = loginText.getText().toString();
        String password = loginPassword.getText().toString();

        String urlLogin = "http://ga.aquawams.com/api/xhr_request_user_info.php?username=" + username + "&password=" + password;

 String resultServer  = gethttp.getHttpPost(urlLogin, params);

        String strError = "incorrect username and/or password";

  if(result.equals("false"))
        {
// Dialog
            final AlertDialog.Builder ad = new AlertDialog.Builder(this);
            ad.setTitle("Error! ");
//            ad.setIcon(android.R.drawable.btn_star_big_on);
            ad.setPositiveButton("Close", null);
            ad.setMessage(strError);
            ad.show();
//            loginText.setText("");
            loginPassword.setText("");

        }else if (result.equals("true")){
		Intent newActivity = new Intent(this, drawer.class);
            startActivity(newActivity);
}