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Android Programming: The Big Nerd Ranch Guide, Third Edition
book

Android Programming: The Big Nerd Ranch Guide, Third Edition

by Bill Phillips, Chris Stewart, Kristin Marsicano
January 2017
Beginner to intermediate
624 pages
22h 42m
English
Big Nerd Ranch Guides
Content preview from Android Programming: The Big Nerd Ranch Guide, Third Edition

For the More Curious: Current State of Activity Cleanup

As of this writing, activities themselves are not individually destroyed in low-memory situations. Instead, Android clears an entire app process from memory, taking any of the app’s in-memory activities with it. (Each application gets its own process. You will learn more about Android application processes in the section called For the More Curious: Processes vs Tasks in Chapter 24.)

Processes containing foreground (resumed) and/or visible (paused) activities get higher priority than other processes. When the OS needs to free up resources, it will select the lower priority processes first. Practically speaking, a process containing a visible activity will not reclaimed by the OS. ...

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Publisher Resources

ISBN: 9780134706061Purchase book