Android - 激活系统键锁(又名锁屏)

问题描述

我必须激活 android 的系统键锁(当你按下 power off/hang up 按钮时得到的那个).见这里:

I have to activate android's system key lock (the one you get when you press the power off/hang up button). See here:

我已经浏览过文档，但我发现的都是 PowerManager和 KeyguardManager.两者似乎都不是解决方案:-(.

I already browsed the docs but everything I found was PowerManager and KeyguardManager. Both seem not to be the solution :-(.

那么，每个人都知道如何通过 android 应用程序实现这一点吗?(如果需要特殊权限，那没问题，但更改设备的设置不是解决方案......)

So, does everyone know how to achieve that from a android application? (If special permissions are required, that is no problem but changing the device's settings is not a solution...)

编辑:或者有人知道这绝对不可能吗?顺便提一句.带有发送密钥的 craigs 解决方案不再起作用(请参阅评论).

EDIT: Or does someone know that this is definitely not possible at all? Btw. craigs solution with sending keys does not work anymore (see comments).

推荐答案

我一直在寻找完全相同问题的答案.显然，在 2.0 之后，应用级别的设备管理器权限被删除.但是在 Froyo - 2.2 中，设备策略管理器被揭示为我们的开发人员提供了大量的管理级别控制.

I have been searching for an answer to the exact same question for a while. Apparently, after 2.0 onwards the device manager privileges for the app level were removed. But with Froyo - 2.2 the device policy manager is revealed granting us developers a multitude of administrative level controls.

http://developer.android.com/guide/topics/admin/device-admin.html

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