Feedback

We are constantly looking at improving our content, so what could be better than listening to what you as a reader have to say? Your feedback is important to us and we will do our best to incorporate it. Could you take two mins to fill out the feedback form for this book and let us know what your thoughts are about it? Here's the link: https://forms.office.com/r/STtMpJAhFS.

Thank you in advance.

In the previous chapter, we started to capture more contextual information within our apps by utilizing the built-in GPS functions of a mobile device. In this chapter, we will expand our utilization of mobile device capabilities by capturing and using images, as well as being able to read/identify information from barcodes and Quick Response (QR) codes.

Both barcodes and QR codes are available on almost everything that we interact with on a day-to-day basis, whether that is on our food goods or our electronics, and even for quickly locating apps. These unique identifiers can be utilized...