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Chapter 2. App model and navigation

This chapter focuses on the Windows Phone app model, including lifecycle events, as well as the page-based navigation model used by the Microsoft Silverlight app framework. Users have come to expect that smartphones offer many of the same apps and overall user experience (UX) as a desktop computer. However, compared to a desktop computer, a phone has significant constraints in terms of memory, processor capacity, disk storage, screen size, input capabilities, and power.

The app platform and the underlying operating system (OS) both execute a number of services in the background, and several of these will be executing at any given period of time. Apart from services, there might also be background tasks running ...

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