private async Task <IList <BlogGroup> > LoadCachedGroups() { var retVal = new List <BlogGroup>(); foreach (var item in await _storage.ListItems(GROUP_FOLDER)) { try { var group = await _storage.RestoreItem <BlogGroup>(GROUP_FOLDER, item); retVal.Add(group); } catch (Exception ex) { Debug.WriteLine(ex.ToString()); } } return(retVal); }