Configuring a Wi-Fi network
I'm sure you've experienced friends asking you for your Wi-Fi password when they come over, and I bet that most times the answer is "Don't remember," "I'm not sure," or "Let me check the router sticker." In this recipe, we will learn how to create an application to write a simple Wi-Fi network configuration to an NFC tag that allows us to stick it somewhere around the house.
How to do it...
We will store three Wi-Fi network fields, the SSID, the security type, and the password in the tag. When we read it, we will add the network to our device and enable the Wi-Fi adapter:
Open Eclipse and create a new Android application project named
NfcBookCh9Example2
and package namednfcbook.ch9.example2
.Make sure the
AndroidManifest.xml
file is correctly configured. Refer to the Requesting NFC permissions recipe in Chapter 1, Getting Started with NFC.Request for permission to change the Wi-Fi adapter state by adding the following lines of code to
AndroidManifest.xml
:<uses...