#if UNITY_ANDROID
	private bool  IsSubscriptionActive(String receipt,String productId){
		if (IsInitialized()) {
			var result = validator.Validate (receipt);
			foreach (IPurchaseReceipt productReceipt in result) {
				if (productReceipt.productID.Equals (productId)) {
					GooglePlayReceipt google = productReceipt as GooglePlayReceipt;
					return google != null ? google.purchaseState == GooglePurchaseState.Purchased : false;
				}
			}
		}
		return false;
	}

#elif UNITY_IOS
	private bool  IsSubscriptionActive (String productId)
	{
		if (IsInitialized ()) {
			ConfigurationBuilder builder = ConfigurationBuilder.Instance (StandardPurchasingModule.Instance ());
			// Get a reference to IAppleConfiguration during IAP initialization.
			IAppleConfiguration appleConfig = builder.Configure<IAppleConfiguration> ();
			if (!string.IsNullOrEmpty (appleConfig.appReceipt)) {
				//            InstantiateDebugText (DebugInfoPanel, "APP Receipt Base64 " + appleConfig.appReceipt);
				var receiptData = System.Convert.FromBase64String (appleConfig.appReceipt);
				//            InstantiateDebugText (DebugInfoPanel, "receipt Data "+ receiptData);
				AppleReceipt receipt = new AppleValidator (AppleTangle.Data ()).Validate (receiptData);
				foreach (AppleInAppPurchaseReceipt productReceipt in receipt.inAppPurchaseReceipts) {
					Debug.Log ("PRODUCT ID = " + productReceipt.productID);
					if (productReceipt.productID.Equals (productId)) {
						return  DateHelper.IsActive (productReceipt.purchaseDate, productReceipt.subscriptionExpirationDate);
					}
				}
			}
		}
		return false;
	}
	#endif