I'm running ICS 4.0.3, and I notice if I have the Web app (default browser) open, but not in the foreground, it still uses a lot of CPU (25-50%), based upon the built-in Android Task Manager. Other apps are using 0%. Looking at my battery usage, the Web uses about 33%, even when my phone is inactive.

Is there any way I can prevent the Web app from using so much CPU when it is not in the foreground, without using the back button to exit?

I'm running on a Samsung Galaxy S2.

Edit: If the best answer is to use a different browser, I am open to that suggestion.

  • Long press the Home key, to bring up the task manager and swipe it to the right, now at this point, am not sure if its to the left either... :D
    – t0mm13b
    Aug 13 '12 at 15:19
  • As I remember, it was swiping either side, that removes it from the task manager list, and also, for killing the task.. hence my poor brain performance in recalling which is it... :)
    – t0mm13b
    Aug 13 '12 at 15:21
  • Change to Chrome, perhaps?
    – ale
    Aug 13 '12 at 15:37

I have reason to believe that this may be a bug caused when the Web app has a large number of bookmarks. In System Settings -> Accounts and sync I turned off Sync Web under my Google account. Then I went to Manage Apps, clicked the All tab, and hit the Clear Data button.

This reduced the usage of the Web app to 1% when in the background.

When I enabled Sync Web to import all my Chrome bookmarks, then disabled it, the problem showed itself again. I reproduced this problem twice.

  • That's interesting. How many bookmarks do you have?
    – R R
    Aug 14 '12 at 19:16
  • @RichardBorcsik, I'm going to guess over 800. My bookmarks were imported from desktop Chrome, which were imported from Firefox. I just looked at my Firefox bookmarks, and I had 891. I have a habit of bookmarking articles that I will never read again.
    – Chance
    Aug 14 '12 at 19:50
  • I have ~300 here without issues. If this turnes out to be the problem I suggest you move stuff that you'll never read to getpocket.com this way only the app that you never uses to never read the articles will be slow :) (that's how I do it.)
    – R R
    Aug 14 '12 at 20:33

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