RuntimePlatformGuard.cs

using UnityEngine;
 
namespace SCG.SpaceAdMobile
{
    internal static class RuntimePlatformGuard
    {
        private const string ErrorText =
            "["+ nameof(SpaceAdMobile) + "] The current platform or build target is not supported. " +
            "Supported targets: Android, iOS, or Unity Editor with Android/iOS selected. " +
            "Ad operations will be ignored.";

        private static bool errorLogged;

        public static bool IsRuntimePlatformSupported =>
#if UNITY_EDITOR || UNITY_ANDROID || UNITY_IOS
            true;
#else
            false;
#endif

        public static string GetAdUnitId(string androidId, string iosId) =>
#if UNITY_EDITOR
            string.Empty;
#elif UNITY_ANDROID
            androidId;
#elif UNITY_IOS
            iosId;
#else
            string.Empty;
#endif

        public static string GetPlatformValue(string androidValue, string iosValue) =>
#if UNITY_ANDROID
            androidValue;
#elif UNITY_IOS
            iosValue;
#else
            string.Empty;
#endif

        public static bool EnsureSupported()
        {
            if (IsRuntimePlatformSupported)
                return true;
 
            if (errorLogged) return false;
 
            errorLogged = true;
            Debug.LogError(ErrorText);
            return false;
        }
    }
}