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Android：关闭服务屏幕

[英]Android: Turn off screen from a service

原文 2011-05-06 21:27:39 7 1 android/ service/ android-activity/ screen

I am trying to figure out how to turn off the screen from within a service. 我试图弄清楚如何从服务中关闭屏幕。 I have already read this but I am failing to realize how to do this from within a service. 我已经读过这篇文章，但我没有意识到如何在服务中做到这一点。 I don't really want to deal with wake locks because as soon as the screen goes off, I don't really care about turning it back via java code. 我真的不想处理唤醒锁定，因为一旦屏幕关闭，我真的不关心通过java代码将其恢复。 I just need a one time method for turning the screen off and I have searched forever on this. 我只需要一次性关闭屏幕的方法，我就一直在搜索这个问题。

1 个解决方案

I see two options: 我看到两个选择：

(1) Create a dummy Activity and use it to get a Window object through the getWindow(); （1）创建一个虚拟Activity并使用它通过getWindow();获取一个Window对象getWindow(); method. 方法。 Then you would use an Intent to call the screen off from your Service . 然后，您将使用Intent从您的Service关闭屏幕。

(2) Use IHardwareService.Stub . （2）使用IHardwareService.Stub 。 Not part of the SDK, but there's a workaround in this blog post: http://www.tutorialforandroid.com/2009/01/changing-screen-brightness.html 不是SDK的一部分，但是在这篇博客文章中有一个解决方法： http ： //www.tutorialforandroid.com/2009/01/changing-screen-brightness.html

BTW: I would strongly recommend the first option. 顺便说一句：我强烈推荐第一种选择。 You never know when a class that is not part of the SDK might change. 你永远不知道什么时候不属于SDK的类可能会改变。