private async void ListView_ItemClick(object sender, ItemClickEventArgs e)
        {
            var item = (e.ClickedItem as StackPanel).Tag.ToString();

            if (item == "ToView")
            {
                if (!ApiHelper.IsLogin() && !await Utils.ShowLoginDialog())
                {
                    Utils.ShowMessageToast("请先登录");
                    return;
                }
                MessageCenter.SendNavigateTo(NavigateMode.Info, typeof(ToViewPage));
            }
            else if (item == "Test")
            {
            }
            else
            {
                MessageCenter.SendNavigateTo(NavigateMode.Info, typeof(SettingPage));
            }
        }
        private async Task <bool> HasMessage()
        {
            try
            {
                if (!ApiHelper.IsLogin())
                {
                    return(false);
                }
                // http://message.bilibili.com/api/msg/query.room.list.do?access_key=a36a84cc8ef4ea2f92c416951c859a25&actionKey=appkey&appkey=c1b107428d337928&build=414000&page_size=100&platform=android&ts=1461404884000&sign=5e212e424761aa497a75b0fb7fbde775
                string url = string.Format("http://message.bilibili.com/api/notify/query.notify.count.do?_device=wp&_ulv=10000&access_key={0}&actionKey=appkey&appkey={1}&build=5250000&platform=android&ts={2}", ApiHelper.access_key, ApiHelper.AndroidKey.Appkey, ApiHelper.GetTimeSpan);
                url += "&sign=" + ApiHelper.GetSign(url);
                string results = await WebClientClass.GetResults(new Uri(url));

                MessageModel model = JsonConvert.DeserializeObject <MessageModel>(results);

                if (model.code == 0)
                {
                    MessageModel list = JsonConvert.DeserializeObject <MessageModel>(model.data.ToString());
                    message = list;
                    if (list.reply_me != 0 || list.chat_me != 0 || list.notify_me != 0 || list.praise_me != 0 || list.at_me != 0)
                    {
                        return(true);
                    }
                    else
                    {
                        return(false);
                    }
                }
                else
                {
                    return(false);
                }
            }
            catch (Exception)
            {
                return(false);
                //Utils.ShowMessageToast("读取通知失败", 3000);
            }
        }