How does the android scanner work? ask question. up vote 0 down vote favorite. does any one know how the android scanner works? does it work like a barcode scanner? 6.the above example was to decode url and open it in browser automatically by passing intent to barcodescanner app previously installed. if you want to use your own barcode. How does a barcode scanner work? photo: scanning a barcode with amazon's iphone/ipod app. you find a product you like, scan the code, and the online store pops up with the product details automatically. in a busy superstore, you're more likely to see a very sophisticated laser scanner. it'll be built into the base of the checkout lane. Mobile apps leer en espa