void DownloadRemoteAssetPack(string assetPackName)
{
// Note that most methods in the AndroidAssetPacks class are either direct wrappers of java APIs in Google's PlayCore plugin,
// or depend on values that the PlayCore API returns. If the PlayCore plugin is missing, calling these methods will throw an InvalidOperationException exception.
try
{
AndroidAssetPacks.DownloadAssetPackAsync(new string[] { assetPackName }, CheckDownloadStatus);
}
catch (InvalidOperationException ioe)
{
Debug.LogError($"Cannot retrieve state for asset pack '{assetPackName}'. PlayCore Plugin is not installed: {ioe.Message}");
m_ProviderInterface.Complete(this, false, new Exception("exception"));
}
}
void CheckDownloadStatus(AndroidAssetPackInfo info)
{
string message = "";
if (info.status == AndroidAssetPackStatus.Failed)
{
message = $"Failed to retrieve the state of asset pack '{info.name}'.";
}
else if (info.status == AndroidAssetPackStatus.Unknown)
{
message = $"Asset pack '{info.name}' is unavailable for this application. This can occur if the app was not installed through Google Play.";
}
else if (info.status == AndroidAssetPackStatus.Canceled)
{
message = $"Cancelled asset pack download request '{info.name}'.";
}
else if (info.status == AndroidAssetPackStatus.WaitingForWifi)
{
AndroidAssetPacks.RequestToUseMobileDataAsync(OnRequestToUseMobileDataComplete);
}
else if (info.status == AndroidAssetPackStatus.Completed)
{
string assetPackPath = AndroidAssetPacks.GetAssetPackPath(info.name);
if (!string.IsNullOrEmpty(assetPackPath))
{
// Asset pack was located on device. Proceed with loading the bundle.
PlayAssetDeliveryRuntimeData.Instance.AssetPackNameToDownloadPath.Add(info.name, assetPackPath);
base.Provide(m_ProviderInterface);
}
else
{
message = $"Downloaded asset pack '{info.name}' but cannot locate it on device.";
}
}
if (!string.IsNullOrEmpty(message))
{
Debug.LogError(message);
m_ProviderInterface.Complete(this, false, new Exception("exception"));
}
}
void LoadFromAssetPacksIfAvailable()
{
if (AndroidAssetPacks.coreUnityAssetPacksDownloaded)
{
// Core Unity asset packs use install-time delivery and are already installed.
DownloadCustomAssetPacksData();
}
else
{
// Core Unity asset packs use fast-follow or on-demand delivery and need to be downloaded.
string[] coreUnityAssetPackNames = AndroidAssetPacks.GetCoreUnityAssetPackNames(); // only returns names of asset packs that are fast-follow or on-demand delivery
if (coreUnityAssetPackNames.Length == 0)
{
CompleteOverride("Cannot retrieve core Unity asset pack names. PlayCore Plugin is not installed.");
}
else
{
AndroidAssetPacks.DownloadAssetPackAsync(coreUnityAssetPackNames, CheckDownloadStatus);
}
}
}
void CheckDownloadStatus(AndroidAssetPackInfo info)
{
if (info.status == AndroidAssetPackStatus.Failed)
{
CompleteOverride($"Failed to retrieve the state of asset pack '{info.name}'.");
}
else if (info.status == AndroidAssetPackStatus.Unknown)
{
CompleteOverride($"Asset pack '{info.name}' is unavailable for this application. This can occur if the app was not installed through Google Play.");
}
else if (info.status == AndroidAssetPackStatus.Canceled)
{
CompleteOverride($"Cancelled asset pack download request '{info.name}'.");
}
else if (info.status == AndroidAssetPackStatus.WaitingForWifi)
{
AndroidAssetPacks.RequestToUseMobileDataAsync(result =>
{
if (!result.allowed)
{
CompleteOverride("Request to use mobile data was denied.");
}
});
}
else if (info.status == AndroidAssetPackStatus.Completed)
{
string assetPackPath = AndroidAssetPacks.GetAssetPackPath(info.name);
if (string.IsNullOrEmpty(assetPackPath))
{
CompleteOverride($"Downloaded asset pack '{info.name}' but cannot locate it on device.");
}
else if (AndroidAssetPacks.coreUnityAssetPacksDownloaded)
{
DownloadCustomAssetPacksData();
}
}
}
