Box2D + TiledMap

public class Box2DMapObjectParserTutorialTest implements Screen {

   private World world;
   private Box2DDebugRenderer box2DRenderer;
   private OrthogonalTiledMapRenderer mapRenderer;
   private OrthographicCamera camera;

   @Override
   public void show() {
      world = new World(new Vector2(0, -9.81f), true);

      TiledMap map = new TmxMapLoader().load("maps/Box2DMapObjectParserTutorialTest.tmx");

      mapRenderer = new OrthogonalTiledMapRenderer(map, 1 / 32f); // insert your unit scale here
      box2DRenderer = new Box2DDebugRenderer();
      camera = new OrthographicCamera();
   }

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

      world.step(1 / 60f, 8, 3);

      mapRenderer.setView(camera);
      mapRenderer.render();
      box2DRenderer.render(world, camera.combined);
   }

   @Override
   public void resize(int width, int height) {
      camera.viewportWidth = width / 25;
      camera.viewportHeight = height / 25;
      camera.update();
   }

   @Override
   public void hide() {
      dispose();
   }

   @Override
   public void pause() {
   }

   @Override
   public void resume() {
   }

   @Override
   public void dispose() {
      world.dispose();
      mapRenderer.dispose();
   }

}