shell script to connect android devices over wifi.

connectWifiAndroidShell.sh

#!/bin/bash
echo "This script works with ONLY one Android device connected to system !!!"
echo "Killing adb"
adb kill-server
sleep 2
PORT_NO=6969
CONNETED_DEVICES=$(adb devices | wc -l)
if [ "$CONNETED_DEVICES" -le 2 ]; then 
	echo "NO Android device connected to your machine via USB."
else
	IPADDRESS=$(adb shell ip addr show wlan0 | grep "inet\s" | awk '{print $2}' | awk -F'/' '{print $1}')
	if [ -z "$IPADDRESS" ]; then 
		read -p "NO IP Address found, please check in device setting and Enter ip address: " IPADDRESS
	else
		echo "device IP is $IPADDRESS, please allow debug on device."
	fi
	echo "IP ADDRESS : "$IPADDRESS
	adb tcpip $PORT_NO
	read -p "Disconnect the device and press enter:-" 
	sleep 2
	RESP=$(adb connect $IPADDRESS:$PORT_NO)
	echo $RESP
	if [ "$RESP" == "connected to $IPADDRESS:$PORT_NO" ]; then
		echo "ENJOY wireless debug :)"
	else
		echo "Something went wrong, Please try again."
	fi
fi

disconnect script is at this link
https://gist.github.com/kamleshkarwande/92a2421ee3f1881ed10d59949b6a4e4d