Shell script to clean up Android status bar for screenshots or screen recordings

cleandroid

#! /bin/sh

DEVICES=$(adb devices | wc -l)

if [ $DEVICES -le 2 ]
then
	echo "No devices connected via adb."
	exit 1
fi

if [ "$#" -lt 1 ] || ([ "$1" != "on" ] && [ "$1" != "off" ]);
then
	echo "Usage: cleandroid on|off 1200 [clock to set in hhmm, optional]"
	exit 1
fi

case $1 in
	"on")
		echo "Cleaning Android UI."
		adb shell settings put global sysui_demo_allowed 1
		if [ "$#" -eq 2 ] && [[ $2 =~ ^[0-9]{4}$ ]];
		then
			adb shell am broadcast -a com.android.systemui.demo -e command clock -e hhmm $2 &> /dev/null
		fi
		{
			adb shell am broadcast -a com.android.systemui.demo -e command network -e mobile show -e level 4 -e datatype false
			adb shell am broadcast -a com.android.systemui.demo -e command notifications -e visible false
			adb shell am broadcast -a com.android.systemui.demo -e command battery -e plugged false -e level 100
		} &> /dev/null
		;;
	"off")
		echo "Restoring Android UI."
		adb shell am broadcast -a com.android.systemui.demo -e command exit &> /dev/null
		;;
esac
exit 0

Based on https://medium.com/android-news/clean-your-status-bar-like-a-pro-76c89a1e2c2f