/// <summary>
/// 从服务器同步列表
/// </summary>
/// <returns></returns>
public async Task <bool> GetLatestCates()
{
try
{
var result = await CloudService.GetCateInfoAsync();
if (result == null)
{
throw new ArgumentNullException();
}
var respJson = JsonObject.Parse(result.JsonSrc);
var isSuccess = JsonParser.GetBooleanFromJsonObj(respJson, "isSuccessed");
if (!isSuccess)
{
throw new ArgumentException();
}
var cateObj = JsonParser.GetStringFromJsonObj(respJson, "Cate_Info");
var list = GenerateList(cateObj.ToString());
if (list == null)
{
throw new ArgumentNullException();
}
Categories = list;
await SerializerHelper.SerializerToJson <ObservableCollection <ToDoCategory> >(Categories, SerializerFileNames.CategoryFileName);
return(true);
}
catch (Exception)
{
return(false);
}
}
