This is done by running a background service which touches the relevant files periodically.

这通过执行一个后台服务定期动(touch)一下相关文件来实现。

youdao

Background: I need to run background service (No Screen Application) after I register a client, after that I need to run safely on the thread.

背景：我需要运行后台服务(无屏的应用)后，我注册一个客户端，在那之后我需要的线程上安全地运行。

youdao

The problem is when my application is closed. my background service is running but some time my location magner object get NULL so it stop retrieving location update.

问题是当我的应用程序关闭。我的背景服务正在运行，但一段时间我的位置马格纳对象空因此，停止接收位置更新。

youdao

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