LibGDX Textfield

TextField textfieldStyle = new TextField.TextFieldStyle();
textfieldStyle.font = registrationFont25;
textfieldStyle.fontColor = Color.WHITE;
cursorSprite = new Sprite(new Texture("sprites/cursor9.png"));
textfieldStyle.cursor = new SpriteDrawable(cursorSprite);

private TextField makeTextField(final Sprite fillUp_sprite, float padding, String messageText, boolean passwordMode){
    TextField textField = new TextField("", textfieldStyle);
    textField.setMessageText(messageText);
    textField.setAlignment(Align.left);
    textField.setPasswordCharacter('*');
    textField.setPasswordMode(passwordMode);
    textField.setPosition(fillUp_sprite.getX() + padding, fillUp_sprite.getY());
    textField.setSize(fillUp_sprite.getWidth(), fillUp_sprite.getHeight());

    return textField;
}