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Pro Android Flash by Paul Trani, Oswald Campesato, Dean Iverson, Stephen Chin

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Chapter 2

Targeting Applications for the Mobile Profile

Mobile devices are significantly resource-constrained when compared to their desktop brethren. Mobile processors are quickly catching up to the speed of yesterday's desktops, but RAM and storage are still at a premium. At the same time, users expect mobile applications to start up instantaneously and be entirely fault-tolerant to hard or soft crashes at any time.

For example, to conserve memory resources, the Android OS can choose to kill a background application at any time. When the user accesses the application, it depends upon the last known Activity state to start it up. If the application takes longer than one second to relaunch, the delay will be noticeable to the user, who believes ...

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