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Xamarin 無法訪問已處置的 object

[英]Xamarin Cannot access a disposed object

我有一個主詳細信息頁面,在我的菜單上單擊它以導航到其他頁面時,出現此錯誤:

System.ObjectDisposedException:“無法訪問已處置的 object。Object 名稱:‘Android.Renderscripts.RenderScript’。”

但是,只有在我調用這段代碼時才會發生:

    protected override async void OnAppearing()
    {
        await LoadContent();
    }

如果我不調用 LoadContent function,菜單工作正常並且我能夠導航到其他頁面。

我的 LoadContent 代碼:

    public async Task<firstContentJson> LoadContent()
    {
        string connectionUrl = "https://myurl.com/app/getcontent.php";
        object userInfos = new { };
        var jsonObj = JsonConvert.SerializeObject(userInfos);
        using (HttpClient client = new HttpClient())
        {
            StringContent content = new StringContent(jsonObj.ToString(), Encoding.UTF8, "application/json");
            var request = new HttpRequestMessage()
            {
                RequestUri = new Uri(connectionUrl),
                Method = HttpMethod.Post,
                Content = content
            };
            var response = await client.SendAsync(request);
            string dataResult = response.Content.ReadAsStringAsync().Result;
            firstContentJson result = JsonConvert.DeserializeObject<firstContentJson>(dataResult);
            try
            {

                string contentid = JObject.Parse(dataResult)["content_id"].ToString();
                string rep = JObject.Parse(dataResult)["rep"].ToString();
                string creator = JObject.Parse(dataResult)["creator"].ToString();
                string text = JObject.Parse(dataResult)["text"].ToString();
                string img = JObject.Parse(dataResult)["img"].ToString();
                string totalrate = JObject.Parse(dataResult)["totalrate"].ToString();
                //string vid = JObject.Parse(dataResult)["vid"].ToString();
                string date = JObject.Parse(dataResult)["date"].ToString();
                string name = JObject.Parse(dataResult)["name"].ToString();
                string pic = JObject.Parse(dataResult)["pic"].ToString();
                string visits = JObject.Parse(dataResult)["visits"].ToString();
                string lvl = JObject.Parse(dataResult)["lvl"].ToString();
                

                //inicio load first content
                imgTop.Source = "https://myurl.com/" + img;
                avUser.Source = "https://myurl.com/" + pic;
                txtName.Text = "@"+name;
                txtDesc.Text = text;
                imgContent.Source = "https://myurl.com/" + img;
                txtRate.Text = rep;
                if(Convert.ToInt32(totalrate)>0)
                {
                    txtInfos.Text = "Avaliado por " + totalrate + " pessoas";
                }
                else
                {
                    txtInfos.Text = "Seja o primeiro a avaliar esse conteúdo!";
                }
                indload.IsVisible = false;
                indload.IsRunning = false;
            }
            catch
            {
                indload.IsVisible = false;
                indload.IsRunning = false;
            }

            return result;
        }
    }

有人可以幫助我嗎?

編輯:當我點擊菜單時的錯誤圖片

解決方案:問題出在一個名為 Sharpnado.Shadows 的插件上。 我將它從我的母版頁中刪除,一切正常。

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