Minimal LibGDX FPS counter

Simple.java

package com.cyphercove.example;

import com.badlogic.gdx.ApplicationAdapter;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.scenes.scene2d.Stage;
import com.badlogic.gdx.scenes.scene2d.ui.Label;
import com.badlogic.gdx.scenes.scene2d.ui.Skin;
import com.badlogic.gdx.scenes.scene2d.ui.Table;
import com.badlogic.gdx.utils.viewport.ScreenViewport;

public class Simple extends ApplicationAdapter {
    Stage stage;
    Skin skin;
    Label label;
    int lastFps;

    @Override
    public void create() {
        stage = new Stage(new ScreenViewport());
        skin = new Skin(Gdx.files.internal("uiskin.json"));

        Table table = new Table();
        table.setFillParent(true);
        label = new Label("", skin);
        table.add(label);
        stage.addActor(table);
    }

    @Override
    public void resize(int width, int height) {
        stage.getViewport().update(width, height, true);
    }

    @Override
    public void render() {
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);

        int fps = Gdx.graphics.getFramesPerSecond();
        if (fps != lastFps) {
            label.setText("" + fps);
            lastFps = fps;
        }

        stage.act();
        stage.draw();
    }
}