Android auto connect to wifi from shell

auto_wifi.sh

#!/system/bin/sh

# i use https://github.com/steinwurf/adb-join-wifi for auto connect to wifi
# tanks

# wait for boot to finish completely
while [[ `getprop sys.boot_completed` -ne 1 ]]
do
       sleep 1
done

# sleep an additional 2m to ensure init is finished
sleep 120


# always run at background
while true
do
    # check internet connection first
    if ping -q -c 1 -w 1 google.com >/dev/null; then
        echo "network connect => `date`" > /sdcard/wifi_connection_test.log
    else
        # start to connecting to wifi


        WIFI_STATUS=$(dumpsys wifi | grep "mNetworkInfo")
        SSID='Ukurdanuji'
        if [[ "$WIFI_STATUS" != *"$SSID"* ]]; then
            am start -n com.steinwurf.adbjoinwifi/.MainActivity -e ssid $SSID
        fi

        # send data login to mikrotik login page
        curl -XPOST -s -d 'username=jvm&password=sukses' 'http://10.5.50.1/login' > /sdcard/wifi_login_result.log

        # uncheck if u using wget
        # wget --post-data 'username=jvm&password=sukses' 'http://wifi.jvm/login' > /data/local/tmp/wifi.log
    fi

    sleep 400
done