WiFi Config QR-Code
To generate a qr-code for a wifi config, you must encode the following URL in the qr-code:
WIFI:S:{ssid};T:{WPA|WEP|};P:{password};;
If the network is hidden, then add H:true;
:
WIFI:S:{ssid};T:{WPA|WEP|};P:{password};H:true;;
Example:
WIFI:S:my-ssid;T:WPA;P:secret password;;
You can try it here: zxing.appspot.com/generator.