using UnityEngine;using UnityEngine.UI;using UnityEngine.Advertisements;public class BannerAdExample : MonoBehaviour{  // For the purpose of this example, these buttons are for functionality testing:  [SerializeField] Button _loadBannerButton;  [SerializeField] Button _showBannerButton;  [SerializeField] Button _hideBannerButton;  [SerializeField] BannerPosition _bannerPosition = BannerPosition.BOTTOM_CENTER;  [SerializeField] string _androidAdUnitId = "Banner_Android";  [SerializeField] string _iOSAdUnitId = "Banner_iOS";  string _adUnitId = null; // This will remain null for unsupported platforms.  void Start()  {    // Get the Ad Unit ID for the current platform:    #if UNITY_IOS    _adUnitId = _iOSAdUnitId;    #elif UNITY_ANDROID    _adUnitId = _androidAdUnitId;    #endif    // Disable the button until an ad is ready to show:    _showBannerButton.interactable = false;    _hideBannerButton.interactable = false;    // Set the banner position:    Advertisement.Banner.SetPosition(_bannerPosition);    // Configure the Load Banner button to call the LoadBanner() method when clicked:    _loadBannerButton.onClick.AddListener(LoadBanner);    _loadBannerButton.interactable = true;  }  // Implement a method to call when the Load Banner button is clicked:  public void LoadBanner()  {      // Set up options to notify the SDK of load events:      BannerLoadOptions options = new BannerLoadOptions      {          loadCallback = OnBannerLoaded,          errorCallback = OnBannerError      };      // Load the Ad Unit with banner content:      Advertisement.Banner.Load(_adUnitId, options);  }  // Implement code to execute when the loadCallback event triggers:  void OnBannerLoaded()  {      Debug.Log("Banner loaded");      // Configure the Show Banner button to call the ShowBannerAd() method when clicked:      _showBannerButton.onClick.AddListener(ShowBannerAd);      // Configure the Hide Banner button to call the HideBannerAd() method when clicked:      _hideBannerButton.onClick.AddListener(HideBannerAd);      // Enable both buttons:      _showBannerButton.interactable = true;      _hideBannerButton.interactable = true;       }  // Implement code to execute when the load errorCallback event triggers:  void OnBannerError(string message)  {      Debug.Log($"Banner Error: {message}");      // Optionally execute additional code, such as attempting to load another ad.  }  // Implement a method to call when the Show Banner button is clicked:  void ShowBannerAd()  {      // Set up options to notify the SDK of show events:      BannerOptions options = new BannerOptions      {          clickCallback = OnBannerClicked,          hideCallback = OnBannerHidden,          showCallback = OnBannerShown      };      // Show the loaded Banner Ad Unit:      Advertisement.Banner.Show(_adUnitId, options);  }  // Implement a method to call when the Hide Banner button is clicked:  void HideBannerAd()  {      // Hide the banner:      Advertisement.Banner.Hide();  }  void OnBannerClicked() { }  void OnBannerShown() { }  void OnBannerHidden() { }  void OnDestroy()  {      // Clean up the listeners:      _loadBannerButton.onClick.RemoveAllListeners();      _showBannerButton.onClick.RemoveAllListeners();      _hideBannerButton.onClick.RemoveAllListeners();  }}