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[Charles Kerr <charles.kerr@xxxxxxxxxxxxx>]

** Branch linked: lp:~charlesk/indicator-datetime/lp-1434637-make-
alarms-use-less-battery

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https://bugs.launchpad.net/bugs/1434637

Title:
  Default alarm behavior can cause unnecessary battery drain

Status in indicator-datetime package in Ubuntu:
  Confirmed

Bug description:
  As discussed in private bug #1430666, the default alarm ring duration
  of 30 minutes is really long compared to other phones. This got called
  out because it will cause unnecessary screen-on battery drain.

  IMO 30 minutes should not be the default option -- if a user doesn't
  dismiss after 10 minutes, adding another 20 feels like overkill.

  In addition, datetime (rightly) turns the screen on when an alarm
  triggers. It's kept on for the duration of the alarm, even if it rings
  for a half hour. That's a pretty long screen-on time to pay when the
  user's inactive.

  So, two questions.

  1. Can we change the default alarm duration from 30 minutes to
  something shorter, e.g. 10 minutes? The 30 minute default is specified
  in
  <https://docs.google.com/a/canonical.com/presentation/d/1JvDyhsW17d1-Mz8OY1YMBKwfRI2z9qgyRjbujEsxEMk/edit#slide=id.g36c1a0cdd_010>.

  2. Datetime should release its "screen on" hold after the first few
  minutes, so that even long-ringing alarms don't drain more battery
  than necessary.

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