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UWP应用发布版本挂在初始屏幕上吗?

[英]UWP app release version hangs on splash screen?

调试版本(86、64,ARM)都可以正常工作,发布版本可以正常运行,但是当它们运行时,我的应用程序窗口打开并保持空白(白色背景)。 我在输出中看到的唯一错误是一堆错误:

 ...PDB file was not present when IL code was compiled to native.

我不确定丢失的.pdb文件是否是罪魁祸首-可以肯定的是,不是,因为它们只是出于调试目的,对吧? 无论如何,这是我尝试为Windows应用商店准备的第一个UWP应用,并且不确定是否需要做一些特别的事情,例如在我自己的计算机上进行签名以测试发行版本?

编辑1:谢谢@Alan的建议,手动卸载应用程序有时使我越过空白窗口来加载应用程序栏,但是当它没有挂在初始屏幕上时,我得到了这些错误:

调试器错误1调试器错误2

我没有对启动屏幕做任何特别的事情,使用清单中的内置工具加载了所有视觉资源,并且没有修改App.xaml.cs的默认设置。 这是我的Mainpage.cs:

 using Sublist.Classes;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
 using Windows.UI.Xaml.Navigation;

 namespace Sublist
 {

public sealed partial class MainPage : Page
{
    const string TAG = "MainPage: ";

    // for loading and saving user data and settings
    public static DataHandler dataHandler;

    public static MasterList<Entry> masterList;
    //public static int listViewSelectedIndex = -1;

    public MainPage()
    {
        this.InitializeComponent();

        dataHandler = new DataHandler(this);
        masterList = new MasterList<Entry>();

        // load user data
        if (dataHandler.userDataList != null)
            masterList = dataHandler.userDataList;

        masterList.UpdateListView(this);
    }

    protected override void OnNavigatedTo(NavigationEventArgs e)
    {
        dataHandler.LoadUserSettings();
    }


    private void AppBarAdd_Click(object sender, RoutedEventArgs e)
    {
        masterList.AddRow(this);
    }

    private void AppBarRemove_Click(object sender, RoutedEventArgs e)
    {
        if (!(mainListView.SelectedIndex < 0))
        {
            masterList.RemoveRow(this);
        }
    }

    private void AppBarMoveDown_Click(object sender, RoutedEventArgs e)
    {

    }

    private void AppBarMoveUp_Click(object sender, RoutedEventArgs e)
    {

    }

    private void AppBarIndent_Click(object sender, RoutedEventArgs e)
    {
        // indent the row control if currently selected index is a list view item
        if (-1 < mainListView.SelectedIndex && mainListView.SelectedIndex < mainListView.Items.Count)
        {
            // but don't allow more than one indent past above row's indent level
            RowControl rc = (RowControl)mainListView.Items[mainListView.SelectedIndex];
            int indexMinus1 = mainListView.SelectedIndex - 1;
            if (-1 < indexMinus1 && rc.indentProp <= masterList[indexMinus1].indent)
            {
                rc.indentProp++;
            }
        }
        // then update list view
        masterList.UpdateListView(this);
    }

    private void AppBarUnindent_Click(object sender, RoutedEventArgs e)
    {
        // unindent the row control if currently selected index is a list view item
        if (-1 < mainListView.SelectedIndex && mainListView.SelectedIndex < mainListView.Items.Count)
        {
            // but don't allow unindenting off left side of page
            RowControl rc = (RowControl)mainListView.Items[mainListView.SelectedIndex];
            if (rc.indentProp > 0)
            {
                rc.indentProp--;
            }
        }
        // then update list view
        masterList.UpdateListView(this);
    }

    public void AppBarShowCompl_Click(object sender, RoutedEventArgs e)
    {
        dataHandler.SaveUserSettings();

        masterList.UpdateListView(this);
    }

    public void AppBarMarkAsCompleted_Click(object sender, RoutedEventArgs e)
    {
        // toggle hidden state of active entry
        if (-1 < mainListView.SelectedIndex && mainListView.SelectedIndex < masterList.Count)
        {
            masterList[mainListView.SelectedIndex].completed = (masterList[mainListView.SelectedIndex].completed) ? false : true;

            masterList.UpdateListView(this);
        }
    }

}
}

我已经将开源Template10中的FileService和SettingsService类添加到了项目中。

未选中构建设置“使用.NET Native工具链进行编译”,我尝试使用它来部署/调试/释放两个调试/发布版本,现在调试版本也经常挂在初始屏幕上吗? 选中它,我也收到了很多这些错误:

'Sublist.exe' (Win32): Loaded 'C:\Windows\System32\biwinrt.dll'. Skipped loading symbols. Module is native, and native debugging is currently disabled.

我尝试下载服务器符号没有成功...

我发现该挂起发生在GetIfFileExitsAsync的以下行中。

retval = await Windows.Storage.ApplicationData.Current.LocalFolder.GetFileAsync(key);

我对您的代码进行了以下更改,并且现在应该可以使用。

在DataHandler的构造函数中,使用Task.Run初始化userDataList。

public DataHandler(MainPage mp)
{
    mainPage = mp;

    settingsHelper = new SettingsHelper();
    fileHelper = new FileHelper();

    LoadUserSettings();
    Task.Run(() =>
    {
        userDataList = LoadUserData();
    });
    Task.WaitAll();
}

我仍然不确定为什么.net本机编译会导致此问题,但是会尝试简化项目并在MS内部通道中报告。

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