// Load ads with placementID.
public static void loadAd(string placementID)
{
#if (!VUNGLE_AD_OFF)
#if UNITY_EDITOR
return;
#endif
#if UNITY_IPHONE
VungleBinding.loadAd(placementID);
#elif UNITY_ANDROID
VungleAndroid.loadAd(placementID);
#elif UNITY_WSA_10_0 || UNITY_WINRT_8_1 || UNITY_METRO
VungleWin.loadAd(placementID);
#endif
#endif
}