Write a wifi network name (SSID) and password to a NFC tag. Tap such a tag to automatically connect to that network.
Totally free app. No ads, no notification bar spam.
Uses the zxing library for encoding QR codes:
* NFC to read and write tags
* ACCESS_WIFI_STATE to populate SSID and security fields when app is launched
* CHANGE_WIFI_STATE to connect to a network when a tag is scanned