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Pixelated image and crash on some devices #2

steren opened this Issue · 2 comments

2 participants

Steren John Lombardo

I tested worldmap and am using it in a project to display a big picture.

When I test your latest code on a Galaxy S3, I can reproduce an bug:

  • un-zoom quickly to the minium zoom level with a pinch gesture
  • zoom quickly on a country of the map.
  • you will see that the country is pixelated and is never filled with the high resolution data. And you will experience an app crash some seconds after. (try this manipulation a few times if no problem detected)

It's like the cache is not re-computed.

I can reproduce this bug on Galaxy S3, GalaxyS2 and Galaxy Ace.

I will investigate the issue but if you have any idea it would be very welcomed.

I notice that I've got these errors in the logcat:
E/dalvikvm-heap(19564): Out of memory on a 38047104-byte allocation.
E/InputStreamScene(19564): caught oom -- cache now at 0 percent.

I also notice these errors:
SKIA FimgApiStretch:stretch failed
But by browsing online, I can read that is only due to the Samsung phone.

John Lombardo

Hmm, I have access to a galaxy note II, I'll see if I can repro it there, but I won't be able to do it until next week.

However, generally OOMs are the kiss of death. There is some logic to try to stop the app from actually dying, but it I have never been able to fully recover from one.


After further investigation, I can say that indeed, once this OutOfMemory error appears, the app stops working as it should and crashes a few seconds later.
The more your device is powerful, the less this OOM will show. For example I cannot reproduce on Nexus 4 running latest Android.

I "fixed" my problem by reducing the size of the image but couldn't investigate more the OOM issues.

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