A little trick I set up last night...When I tap my phone to my wallet, my phone tells me my bank account balance.
Here's how I did it, its way simpler than it appears.
First off, you need an NFC enabled phone, my favorite is the Nexus 4!
You also need some NFC enabled stickers, cards, etc. I just happened to get mine from +Web Evolved
. They have a set perfect for a wallet application like this, and these in particular play nicely with the Nexus 4:http://www.webevolved.com/shop/9/Mifare-Ultralight-C-NFC-Cards
You also need an NFC tag writing app. Web Evolved listed some good ones, I opted for NFC Task Launcher, by +Tagstand
, along with its accompanying SMS plugin. Both of those can be found here: https://play.google.com/store/apps/developer?id=Tagstand
Visit your bank's website and enroll your phone number in their text message teller service. You should then be able to text their number with keyword shortcuts like BAL (balance). Thanks +BayPort Credit Union
NFC Task Launcher, like many NFC writers, has most everything you need to send an SMS already done for you, just fill in the recipient number, the message, and then save & write.
Now when you touch your device to the, in this case, wallet, your phone silently fires off an sms to which you receive a reply a moment later, returning an account balance or whatever you chose. You could stop here, but I chose to enhance the experience just a tiny bit.
Rather than just have an sms notification arrive up top which you open in the messaging app, by using another app, +SMS Popup
, you can set rules for certain contacts' messages to display as a popup. You can also further configure these rules to mark the message as read when you dismiss it, among other things. It was the perfect partner app in this application. Grab SMS Popup if you'd like from here: https://play.google.com/store/apps/developer?id=Adam+K
So that's it! Using the info I've outlined above, you could end up do so much more. NFC has a ton of possibilities! This use, though simple, is still fairly handy, and will at least make a great parlor trick. Enjoy!