Read original post by Shawn Kendrot at Visually Located
If you’ve done any work with location in Windows Phone you probably know that the a new location API was added at Windows Phone 8. If you want to upgrade your app to take advantage of functionality in Window Phone 8 you have a few options.
- Continue to use the original GeoCoordinateWatcher API from Windows Phone 7 in your Phone 8 and Phone 7 app
- Upgrade your app to Windows Phone 8 and use the new API in your Phone 8 app, while the Phone 7 app uses the original API.
- Upgrade your app to Windows Phone 8 and use the new API in your Phone 8 app AND your Phone 7 app!