How to use the MapDownloader task for Windows Phone 8
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Use the map downloader task to enable users to download map data for offline use. The task launches the Maps settings application which allows the user to select a region of map data to download.
By using Launchers, you help provide a consistent user experience throughout the Windows Phone platform. For more information, see Launchers and Choosers for Windows Phone 8.
To use the map downloader task
Add the following statement to your code.
Add the following code to your application wherever you need it, such as in a button click event. To test this procedure, you can put the code in the page constructor. This is the code to launch the task.