alertDialog.setTitle("Authorization Required");
alertDialog.setMessage("Please enter your username and password for http authentication.\nError: Status Code 401");
final EditText htuser1 = new EditText(this);
final EditText htpass1 = new EditText(this);
alertDialog.setView(htuser1);
alertDialog.setView(htpass1);
alertDialog.setButton("Login", new DialogInterface.OnClickListener() {
	public void onClick(DialogInterface dialog, int which) {
		htuser = htuser1.toString();
		htpass = htpass1.toString();
		login(username, password, url);
	}
});
alertDialog.setButton2("Cancel", new DialogInterface.OnClickListener() {
	public void onClick(DialogInterface dialog, int which) {
		username2.setEnabled(true);
		password2.setEnabled(true);
		button.setEnabled(true);
	}
});
alertDialog.show();