1.PC端下载adb命令包
https://developer.android.google.cn/studio/releases/platform-tools.html

2.手机端进入开发者选项，开启USB调试
3.adb目录下按住shift键并点击鼠标右键，选择在此处打开命令行（win10）
4.输入以下代码以连接设备

adb devices

5.操作代码如下
①沉浸状态栏和导航栏

adb shell settings put global policy_control immersive.full=*

②沉浸状态栏

adb shell settings put global policy_control immersive.status=*

③沉浸导航栏

adb shell settings put global policy_control immersive.navigation=*

④恢复官方默认

adb shell settings put global policy_control null

⑤输入法导航栏bug解决

adb shell settings put global policy_control immersive.navigation=apps,-com.sec.app.screenrecorder

6.安卓8.0操作代码
沉浸导航栏：

adb shell wm overscan 0,0,0,0