Android代码 一键锁屏

一键锁屏(Kotlin) 程序主要通过 DevicePolicyManager 管理服务来实现锁屏功能 License Copyright 2017 The sky Authors Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICE