Multiscreen Apps and Platform API's -

All code prior to converting app to multi tab.  Currently this is a modal window style.
Modal window styles are recommended for the greatest cross platform navigation
Multiscreen Apps and Platform API - completed section

converted from a modal process into a Tab-based navigation.  Also added a "location" button that will render the current lat/long of the device.  Note that this will only work in the iOS emulator and not the Android one.  Just launch the app on a real Android device and you will see the lat/long