Chapter 4. Program the user interaction

The Windows 8 Start screen is a collection of tiles. Some tiles are updated regularly with new text or images, and they can contain a badge that informs the user of the status of an action or update. A tile on the Start screen launches an app. Your app’s tile is a way to communicate with the user when it is not running. Therefore, you should use your app’s tile to show fresh content and the latest status with badges. Users often like to bookmark items. Secondary tiles in Windows 8 are used to pin a shortcut to an item or a page in your app on the Start screen.

Your app might need to draw the user’s attention to perform a critical task by launching it when it is not running. Live tiles are not adequate for ...

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