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The goal of this chapter is to show you how to interact with the GPS sensor in your phone and integrate that sensor with Google Maps.
How to get the GPS coordinates from your device.
http://www.learnhtml5book.com/chapter7/basics.php
How to create a basic Google Map using a little HTML and JavaScript.
http://www.learnhtml5book.com/chapter7/gmap.php
How to place a marker and use geocoding to turn an address into a set of GPS coordinates.
http://www.learnhtml5book.com/chapter7/gmap2.php
How to do the same thing as the previous example but with a URL versus JavaScript.