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I am trying to develop a simple calendar app with a live tile but in battery saver mode the background agent won't run and I can't have the live tile updated with the current day and day of week.

I noticed that the Calendar (1st party app) does not suffer from this problem even in Battery Saver mode.

Does it get special attention / capabilities being a first party app or there is some trick that I don't know (yet)?

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内置（或系统）应用程序不像第 3 方应用程序那样受到限制。Windows Phone 上有很多这样的例子，但有两个明显的例子是......

  • 即使打开了省电模式（您已注意到），日历应用程序也会更新其动态磁贴。

  • People Hub 动态磁贴有许多按顺序旋转的小磁贴 - 作为开发人员，我们无权访问该动态磁贴模板。

  • Photos Hub Live Tile 使用平移动画显示照片 - 开发人员也无法使用。

如果您PeriodicTask没有按预期运行，则没有“修复”，您只需在应用程序运行时更新磁贴并检查PeriodicTask每次的状态。

于 2013-08-06T22:22:34.590 回答