经过APP侧重启/关闭设备

• 前提

    设备须要有root权限

• 步骤-1  添加权限

<uses-permission android:name="android.permission.SHUTDOWN" />

<application
    ...
    android:sharedUserId="android.uid.system"

• 步骤-2

Runtime.getRuntime().exec(arrayOf("su","-c","reboot "))//重启
Runtime.getRuntime().exec(arrayOf("su", "-c", "reboot -p"))//关机