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RichFelker's profile
Rich Felker
Rich Felker
Rich Felker
@RichFelker

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Rich Felker

@RichFelker

Yeah, I do @musllibc, FOSS & infosec stuff. But now is not the time for a mostly-/only-tech Twitter feed.

musl-libc.org
Joined March 2014

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    1. Rich Felker‏ @RichFelker 5 Jul 2016
      Replying to @RichFelker

      Biggest diff in batt stats is that Google [Play] Services dropped out entirely, because bg apps were apparently constantly invoking it.

      1 reply 0 retweets 0 likes
    2. CopperheadOS‏ @CopperheadOS 5 Jul 2016
      Replying to @RichFelker

      In 6.0, apps generally have to use Google Cloud Messaging in order to wake up in the background. So it will all happen via Play.

      1 reply 0 retweets 0 likes
    3. CopperheadOS‏ @CopperheadOS 5 Jul 2016
      Replying to @CopperheadOS @RichFelker

      They're pushing everythign to use GCM as a way to optimize battery life by centralizing the polling: https://developer.android.com/training/monitoring-device-state/doze-standby.html ….

      1 reply 1 retweet 1 like
    4. CopperheadOS‏ @CopperheadOS 5 Jul 2016
      Replying to @CopperheadOS @RichFelker

      It really sucks in terms of the current mass migration towards a hard dependency on a proprietary Google service though...

      1 reply 0 retweets 0 likes
    5. CopperheadOS‏ @CopperheadOS 5 Jul 2016
      Replying to @CopperheadOS @RichFelker

      Anyway, makes sense to see an increasing amount of stuff going through Play Services, even on older versions. Massive GCM usage.

      1 reply 0 retweets 0 likes
    6. Rich Felker‏ @RichFelker 5 Jul 2016
      Replying to @CopperheadOS

      I'd love to have a "never allow bg wakeup" option in the OS without needing additional root apps.

      1 reply 0 retweets 0 likes
    7. CopperheadOS‏ @CopperheadOS 5 Jul 2016
      Replying to @RichFelker

      It's close to being how it works by default in 6.0 without Play Services. Apps need to ask for battery optimization exceptions.

      1 reply 0 retweets 0 likes
    8. CopperheadOS‏ @CopperheadOS 5 Jul 2016
      Replying to @CopperheadOS @RichFelker

      These APIs can bypass it but have very coarse granularity with coalescing: https://developer.android.com/reference/android/app/AlarmManager.html#setAndAllowWhileIdle%28int,%20long,%20android.app.PendingIntent%29 … https://developer.android.com/reference/android/app/AlarmManager.html#setExactAndAllowWhileIdle%28int,%20long,%20android.app.PendingIntent%29 ….

      1 reply 0 retweets 0 likes
    9. CopperheadOS‏ @CopperheadOS 5 Jul 2016
      Replying to @CopperheadOS @RichFelker

      Could have been a nice feature if it wasn't ruined by using it as a bludgeon to make everything adopt Google Cloud Messaging...

      2 replies 0 retweets 0 likes
    10. Rich Felker‏ @RichFelker 5 Jul 2016
      Replying to @CopperheadOS

      Well I want a bludgeon to get rid of all notifications. If I want to see what's new on Twitter I'll run the Twitter app, thx.

      1 reply 0 retweets 0 likes
      Rich Felker‏ @RichFelker 5 Jul 2016
      Replying to @RichFelker @CopperheadOS

      Unfortunately even with notifs turned off in-app, they still constantly run in the bg, unless/until you forcibly kill them.

      4:35 PM - 5 Jul 2016
      1 reply 0 retweets 0 likes
        1. New conversation
        2. CopperheadOS‏ @CopperheadOS 5 Jul 2016
          Replying to @RichFelker

          On 6.0, the only way they can continue to do that is migrating to sending endless GCM high priority messages (and we lack GCM).

          1 reply 0 retweets 0 likes
        3. CopperheadOS‏ @CopperheadOS 5 Jul 2016
          Replying to @CopperheadOS @RichFelker

          Many apps are doing exactly that, but they're @ mercy of Google's policing high priority messages. Even if some users want it.

          1 reply 0 retweets 0 likes
        4. CopperheadOS‏ @CopperheadOS 5 Jul 2016
          Replying to @CopperheadOS @RichFelker

          The whole GCM thing is really irritating. Their own service shouldn't have an exception from these rules... not playing fair.

          1 reply 0 retweets 0 likes
        5. CopperheadOS‏ @CopperheadOS 5 Jul 2016
          Replying to @CopperheadOS @RichFelker

          Anyway, point is just that they actually gave you what you want in AOSP but then ruined it with GCM to push their own service.

          1 reply 0 retweets 0 likes
        6. CopperheadOS‏ @CopperheadOS 5 Jul 2016
          Replying to @CopperheadOS @RichFelker

          And hard to be happy about it in AOSP, since it just means everything is going to adopt GCM to bypass this. Not progress really.

          1 reply 0 retweets 0 likes
        7. Rich Felker‏ @RichFelker 5 Jul 2016
          Replying to @CopperheadOS

          Seems the right solution is just dummying-out the API for GCM except to whitelisted apps.

          0 replies 0 retweets 0 likes
        8. End of conversation

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