/**
* Set ad event on unavailable
*
* @param onReady executed when an ad is unavailable
*/
public static void SetOnUnavailableCallback(Action <string, string, string> onUnavailable)
{
if (GameObject.Find(FGLEnhance_Callbacks.CallbackObjectName) == null)
{
string newName = "__FGLEnhance_Callback_" + UnityEngine.Random.Range(0, int.MaxValue);
GameObject callbackObject = new GameObject(newName);
callbackObject.AddComponent <FGLEnhance_Callbacks> ();
}
FGLEnhance_Callbacks.OnUnavailableCallback = onUnavailable;
InitializeEnhance();
#if UNITY_EDITOR
FGLEditorInternals.SetOnUnavailableCallback(FGLEnhance_Callbacks.CallbackObjectName);
#elif UNITY_ANDROID
FGLAndroidInternals.SetOnUnavailableCallback(FGLEnhance_Callbacks.CallbackObjectName);
#elif UNITY_IOS
FGLiOSInternals.SetOnUnavailableCallback(FGLEnhance_Callbacks.CallbackObjectName);
#endif
}