Detects Android TV using Unity.

Platform_AndroidTV.cs

using UnityEngine;

// DERIVED FROM https://stewmcc.com/post/check-for-android-tv-in-unity/

public class Platform_AndroidTV : MonoBehaviour {
	
	#if UNITY_ANDROID

		sbyte isAndroidTV = -1; // -1 == not checked yet; 0 == false; 1 == true

		#if !UNITY_EDITOR

			AndroidJavaClass androidUnityActivity = null;

			AndroidJavaObject GetUnityActivity () {
				if (androidUnityActivity == null) {
					androidUnityActivity = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
				}
				return androidUnityActivity.GetStatic<AndroidJavaObject>("currentActivity");
			}

		#endif

	#endif

	public bool IsAndroidTV {
		get {
			#if UNITY_ANDROID

				switch (isAndroidTV) {
					case 0: return false;
					case 1: return true;
				}

				#if !UNITY_EDITOR

					try {
						using (AndroidJavaObject context = GetUnityActivity().Call<AndroidJavaObject>("getApplicationContext"))
						using (AndroidJavaObject packageManager = context.Call<AndroidJavaObject>("getPackageManager")) {
							const string hasSystemFeature = "hasSystemFeature";
							bool isTv = packageManager.Call<bool>(hasSystemFeature, "android.software.leanback") ||
								        packageManager.Call<bool>(hasSystemFeature, "android.hardware.type.television");

							isAndroidTV = isTv ? (sbyte)1 : (sbyte)0;

							Debug.Log($"Platform_AndroidTV: Using native Android calls, isAndroidTV is {isAndroidTV}.");
						}
					}
					catch (System.Exception e) {
						Debug.LogWarning($"WARNING: Platform_AndroidTV: Failed to use native Android calls. {e}");
					}

					if (isAndroidTV == 1) {
						return true;
					}

				#endif

				const string TV = "TV";
				if (SystemInfo.deviceName.Contains(TV) || SystemInfo.deviceModel.Contains(TV)) {
					isAndroidTV = 1;
					Debug.Log("Platform_AndroidTV: Is a TV, according to SystemInfo.");
					return true;
				}
				
				isAndroidTV = 0;
				Debug.Log("Platform_AndroidTV: Not a TV.");

			#endif

			return false;
		}
	}

}