parsing json response that has multiple keys using flutter

Question

I'm trying to get the values of these keys from this json response:

{
    "wlan": {
        "channel": 1,
        "ssid": "WLAN-25UR7J",
        "mac": "00:17:91:80:22:96",
        "inet": [
            {
                "netmask": "255.255.255.0",
                "ip": "192.168.2.112",
                "family": "IPv4"
            }
        ],
        "stationinfo": {
            "signal": -48,
            "channelwidth": 0,
            "bitrate": 72.2
        },
        "mode": "station",
        "encryption": "WPA2-PSK"
    }
}

I could get the values from wlan key by using this method.

json.decode(response.body)['wlan']['channel']

But I didn't work on the rest values like getting netmask or bitrate for example.

Have you tried using json.decode(response.body)['wlan']['inet'][0]['netmask']? — Piyush Maurya
– Piyush Maurya, Commented Sep 19, 2020 at 18:09
thanks a lot, no i didn't , it worked for inet key , but how please for stationinfo json.decode(response.body)['wlan']['inet'][1]['signal'] or json.decode(response.body)['wlan']['inet']['stationinfo'][0]['signal'] — Saly Glowner
– Saly Glowner, Commented Sep 19, 2020 at 18:45
['wlan']['stationinfo']['signal'] worked great, thanks again — Saly Glowner
– Saly Glowner, Commented Sep 19, 2020 at 19:19

Piyush Maurya · Accepted Answer · 2020-09-20 04:43:36Z

1

For netmask, you can access it like this:

json.decode(response.body)['wlan']['inet'][0]['netmask']

For bitrate, you can access it by:

json.decode(response.body)['wlan']['stationinfo']['bitrate']

If values inside any key is an array, either access them via index like value[0] or you can simply iterate the array and do the necessary action.

answered Sep 20, 2020 at 4:43

Piyush Maurya

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