Рабочий

public class Game extends ApplicationAdapter {

    Skin skin;

    Stage stage;

    SpriteBatch batch;

​

    @Override

    public void create () {

        batch = new SpriteBatch();

        stage = new Stage();

        Gdx.input.setInputProcessor(stage);

        prepareSkin();

​

        Table table = new Table();

        table.setFillParent(true);

        stage.addActor(table);

​

        final TextButton button = new TextButton("Click me!", skin);

        table.add(button);

​

        button.addListener(new ChangeListener() {

            public void changed (ChangeEvent event, Actor actor) {

                System.out.println("Clicked! Is checked: " + button.isChecked());

                button.setText("Good job!");

            }

        });

    }

​

    private void prepareSkin() {

        skin = new Skin();

        Pixmap pixmap = new Pixmap(1, 1, Pixmap.Format.RGBA8888);

        pixmap.setColor(Color.WHITE);

        pixmap.fill();

        skin.add("white", new Texture(pixmap));

        skin.add("default", new BitmapFont());

        TextButton.TextButtonStyle textButtonStyle = new TextButton.TextButtonStyle();

        textButtonStyle.up = skin.newDrawable("white", Color.DARK_GRAY);

        textButtonStyle.down = skin.newDrawable("white", Color.DARK_GRAY);

        textButtonStyle.checked = skin.newDrawable("white", Color.BLUE);

        textButtonStyle.over = skin.newDrawable("white", Color.LIGHT_GRAY);

        textButtonStyle.font = skin.getFont("default");

        skin.add("default", textButtonStyle);

    }

​

​

    @Override

    public void render () {

        Gdx.gl.glClearColor(0.2f, 0.2f, 0.2f, 1);

        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);

        stage.act(Math.min(Gdx.graphics.getDeltaTime(), 1 / 30f));

        stage.draw();

    }

​

    @Override

    public void resize (int width, int height) {

        stage.getViewport().update(width, height, true);

    }

​

    @Override

    public void dispose () {

        stage.dispose();

        skin.dispose();

    }

}