The following is the first few sections of a chapter from The Busy Coder's Guide to Android Development, plus headings for the remaining major sections, to give you an idea about the content of the chapter.
There are going to be times when you want the device to keep running,
even though it ordinarily would go into a sleep mode, with the CPU
powered down and the screen turned off. Sometimes, that will be based
upon user interactions, or the lack thereof, such as keeping the screen
on while playing back a video. Sometimes, that will be to allow background
scheduled work to run to completion, as was introduced in the chapter
This chapter looks a bit more at the details of this sort of power
management, including coverage of how
Understanding this chapter requires that you have read the core chapters,
particularly the chapter on
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