CamerAlert keeps quitting with iOS6.1

Darren · Posted: Sun Feb 03, 2013 1:18 pm Post subject:

Do you have 'Prevent Standby' enabled in settings?
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Darren Griffin

GPS_fan · Posted: Sun Feb 03, 2013 1:44 pm Post subject:

Yes
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Andy
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Darren · Posted: Sun Feb 03, 2013 3:38 pm Post subject:

simont56 · Occasional Visitor Joined: Oct 12, 2008 Posts: 1

MaFt · Posted: Tue Feb 05, 2013 12:20 am Post subject:

Thanks Simon. I was beginning to have my suspicions that it was a memory issue as the iPhone 4 is the oldest device with Retina screen that runs iOS 6.1...

MaFt

GPS_fan · Posted: Fri Feb 08, 2013 7:27 am Post subject:

In map settings, if you change from 'Always' to 'Near Camera', it seems to improve stability.

Unfortunately, my journey is too short to thoroughly test, but CamerAlert did not quit at all this morning when it would otherwise have quit at least 5 times.
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Andy
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Darren · Posted: Fri Feb 08, 2013 8:27 am Post subject:

As it appears to be an issue caused by the vector maps gobbling up memory in 6.1, you may find that switching off the maps stops the crashing completely.

I know this isn't a long term solution but it might at least allow you to use the app, without it crashing, in the interim whilst we research a fix.
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Darren Griffin

GPS_fan · Posted: Fri Feb 08, 2013 8:36 am Post subject:

...if maps are turned off completely, would you still get your average speed displayed in an average speed camera zone?
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Andy
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Darren · Posted: Fri Feb 08, 2013 8:37 am Post subject:

MaFt · Posted: Fri Feb 08, 2013 10:28 am Post subject:

jdp1962 · Occasional Visitor Joined: Nov 03, 2011 Posts: 17

I updated to iOS 6.1 this morning, and immediately encountered the problem with Camera Alert shutting down every two minutes or so. I'm just in the middle of a phone restore at present, then will try it with maps always on and with maps only on near camera, see how it behaves and report back.

jdp1962 · Occasional Visitor Joined: Nov 03, 2011 Posts: 17

Still shuttong down every couple of minutes. Will next try deleting the app, and reinstallnig it from scratch.

GPS_fan · Posted: Mon Feb 11, 2013 9:52 am Post subject:

Try it with maps set to 'Never' - this has improved stability for me.
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Andy
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lbendlin · Posted: Tue Feb 12, 2013 7:30 pm Post subject:

Even with maps set to "Near camera" you can mitigate the issue for some time. I did some performance analysis with the Xcode tools ("Instruments") and there is definitely something broken with the vector map memory management. It is sufficient to pan and zoom the map around a bit to cause the app to silently terminate - without a crash log. Memory usage can go as high as 250 MB which is especially problematic on low spec devices like the iPhone 4 (not sure how much RAM it has but I seem to remember it was only 512 MB).

Looking in the Apple forums they are certainly aware of the issue but it doesn't look like a fix was included in the latest 6.1.1 version.
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Lutz

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