全部应用全屏代码：
adb shell settings put global policy_control immersive.full=*
单个应用全屏代码：
adb shell settings put global policy_control immersive.full=包名
多个应用全屏代码：
adb shell settings put global policy_control immersive.full=包名,包名,包名
隐藏虛拟键和状态栏：
adb shell settings put global policy_control immersive.full=*
仅隐藏状态栏：
adb shell settings put global policy_control immersive.
status=*
仅隐藏虚拟键：
adb shell settings put global policy_control immersive.
navigation=*
恢复：
adb shell settings put global policy_control null