Processing Information When you use a bar code scanning app in conjunction with management software, you input data using your Android device, which feeds it into a complementary app or website.

The idea is to use the device as a portable scanner that makes it easy to enter written information in computer-readable form.

Turn your phone into a scanner with three free apps You can use your phone to do a lot, including as a document scanner. Let Joe Know looks into free ways to use your phone as a scanner.

This unique combination of data input scanning and the immediate display of results in the officer's hand sets the Scan and See apart from conventional barcode scan-only devices.

How to add Java Scanner char support The Java Scanner class provides methods that take String input and convert that String into any Java primitive type you might need, except for one: the char.