@Override
public void onClick(DialogInterface dialogi, int which) {
AlertDialog dialog = (AlertDialog) dialogi;
TextView password1 = (TextView) dialog.findViewById(
R.id.password);
TextView password2 = (TextView) dialog.findViewById(
R.id.password_validation);
String password = password1.getText().toString();
String p2 = password2.getText().toString();
if (!password.equals(p2) || password.length() == 0) {
showToast(R.string.invalid_password);