BACKGROUNDTASKHOST.EXE“已退出，代码为1（为0x1） - 发行地理围栏

问题描述

我写的Windows Phone使用栅栏API 8.1的应用。我的问题是，我不能触发后台任务的位置变化，因为应用程序的代码1退出。

I am writing Windows Phone 8.1 Application using GeoFence API. My problem is that I can't trigger change of location in Background Task, because app exits with code 1.

我看了一下这个错误多线程，但没有解决办法解决了我的问题。

I have read multiple threads about this error, but no solution solved my problem.

• 我已签，如果我的BackgroundTask是一个运行时组件，它是。


• 我已签的名字我的班，这是正确的。


• 我，如果我用我的BackgroundTask功能的任何等待功能检查，我没有发现任何。


• 我已签，如果我注册后台任务的应用程序清单，是的，我做（与入口点OFC）

• I have checked if my BackgroundTask is a Runtime Component, and it is.
• I have checked name of my class and it is correct.
• I have checked if I use any await function in my BackgroundTask function and I didn't find any.
• I have checked if I registered Background Task in app manifest and yes, I did (with entry point ofc)

在事实上的错误甚至出现从BackgroundTask运行运行功能了。

In fact error appears even before running Run function from BackgroundTask.

    namespace BackgroundTask
{
    public sealed class geoFenceBackgroundTask : IBackgroundTask
    {
        public void Run(IBackgroundTaskInstance taskInstance)
        {
            ToastTemplateType toastTemplate = ToastTemplateType.ToastText02;
            XmlDocument toastXml = ToastNotificationManager.GetTemplateContent(toastTemplate);

            XmlNodeList toastTextElements = toastXml.GetElementsByTagName("text");
            toastTextElements[0].AppendChild(toastXml.CreateTextNode("MY APP"));
            toastTextElements[1].AppendChild(toastXml.CreateTextNode("Test"));

            //IXmlNode toastNode = toastXml.SelectSingleNode("/toast");
            //XmlElement audio = toastXml.CreateElement("audio");

            ToastNotification toast = new ToastNotification(toastXml);
            ToastNotificationManager.CreateToastNotifier().Show(toast);
        }
    }
}

和我的寄存器功能：

    async private void RegisterBackgroundTask()
        {
            // Get permission for a background task from the user. If the user has already answered once,
            // this does nothing and the user must manually update their preference via PC Settings.
            BackgroundAccessStatus backgroundAccessStatus = await BackgroundExecutionManager.RequestAccessAsync();

            // Regardless of the answer, register the background task. If the user later adds this application
            // to the lock screen, the background task will be ready to run.
            // Create a new background task builder
            BackgroundTaskBuilder geofenceTaskBuilder = new BackgroundTaskBuilder();

            geofenceTaskBuilder.Name = "geoFenceBackgroundTask";
            geofenceTaskBuilder.TaskEntryPoint = "BackgroundTask.geoFenceBackgroundTask";

            // Create a new location trigger
            var trigger = new LocationTrigger(LocationTriggerType.Geofence);

            // Associate the locationi trigger with the background task builder
            geofenceTaskBuilder.SetTrigger(trigger);

            // If it is important that there is user presence and/or
            // internet connection when OnCompleted is called
            // the following could be called before calling Register()
            // SystemCondition condition = new SystemCondition(SystemConditionType.UserPresent | SystemConditionType.InternetAvailable);
            // geofenceTaskBuilder.AddCondition(condition);

            // Register the background task

            var geofenceTask = geofenceTaskBuilder.Register();
            geofenceTask.Completed += (sender, args) =>
            {
// MY CODE HERE

            };

            geofenceTask = geofenceTaskBuilder.Register();
        }

我没有其他想法。任何帮助吗？

I have no other ideas. Any help?

推荐答案

只是偶然发现了一个类似的问题（Visual Studio中stoipped调试时，我开始了后台任务的lifecyle-事件 - 下拉，指出BACKGROUNDTASKHOST.EXE已与代码1（为0x1）退出，在控制台输出-窗口。

just stumbled upon a similar issue (Visual Studio stoipped Debugging when i started the Background Task over the "lifecyle-events-Dropdown", stating "BACKGROUNDTASKHOST.EXE' has exited with code 1 (0x1)" in the COnsole-Output-Window.

添加缺少参考我的任务在WP8项目 - 装配（winmd）项目解决了这个问题。

Adding the missing reference to my Tasks-Assembly (winmd) Project in the WP8 Project solved it.

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