how much do you care? (not from a theoretical point of view, but from a
practical point of view, how much difference does it make)
how much "unwanted" processing would you allow a process to do before
shutting down?
how likely are apps that you would trust to just assert "I know better
than the system or the user how important I am, don't you dare sleep now"
that do this properly, but then do other processing that you really don't
want to have happen? (I expect that if the authors of those apps ever ran
into this case, they would just add another wakelock to prevent it)
If the only things you have running are apps that are trusted to take the
wakelock, are you really going to sleep any more frequently with the
wakelock infrastructure than you would with just idle detection? (this can
be tested today by just stubbing out the wakelock checks so they have no
effect on sleeping)
David Lang
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