Windows Phone 7 (Mango) 应用程序置于后台时断开连接? [英] Windows Phone 7 (Mango) App gets disconnected when put in background?

问题描述

当用户在 Windows Phone 7 Mango 上将应用程序置于后台时，我可以阻止它关闭套接字吗?

Can I prevent my application from having the sockets closed when the user puts it in the background on Windows Phone 7 Mango?

如果是这样，我将如何去做?

If so, how would I go about doing it?

谢谢

推荐答案

不，即使在 Mango 中，您也无法在应用程序未运行时保持持久套接字连接打开.

No, you cannot keep a persistent socket connection open when your application is not running, even in Mango.

您可以:

• 创建一个PeriodicTask，每30分钟调用一次，但只能执行10-15秒才被杀死
• 创建一个 ResourceIntensiveTask，它会在手机接通电源时运行，并且只要你愿意(或直到手机断开电源)都会执行

• Create a PeriodicTask that will be called every 30 minutes, but can only execute for 10-15 seconds before being killed
• Create a ResourceIntensiveTask that will run when the phone is connected to power and will execute for as long as you like (or until the phone is disconnected from power)

这两种类型的任务都可以访问应用程序的隔离存储，但将在单独的应用程序域中执行，因此无法访问变量和其他应用程序状态.

Both types of task have access to your application's isolated storage but will execute in a separate application domain, so it won't have access to variables and other application state.

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