public IEnumerator PreloadWithPreloadList() { var preloadBundleNames = loader.GetWholeBundleNames(); var preloadList = new PreloadList("PreloadWithPreloadList", preloadBundleNames); var doneCount = 0; yield return(assetBundlePreloader.Preload( loader, preloadList, (willLoadBundleNames, proceed, cancel) => { proceed(); }, progress => { doneCount++; }, () => { // do nothng. }, (code, reason, autoyaStatus) => { Debug.LogError("failed to download, code:" + code + " reason:" + reason); }, (preloadFailedAssetBundleName, code, reason, autoyaStatus) => { Debug.LogError("failed to download, name:" + preloadFailedAssetBundleName + " code:" + code); } )); WaitUntil(() => doneCount == preloadBundleNames.Length, () => { throw new TimeoutException("not yet done. doneCount:" + doneCount); }); }