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I'm developing an android app that takes photos from camera or from library and does some stuff on them. The point is that after some use the application crashes. I have tried to make every possible optimization I could think of, ex call gc when possible, null the images when I leave an activity and even remove activities from the cache. But I still get out of memory errors and the app crashes.

Any suggestions on how to avoid such errors? Or even how to efficiently load images from drawables folder . Or any efficient way to throw all not needed objects when the activity changes so as to only use the needed memory for the active activity??

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  • Bitmap.recycle() is your friend to optimize memory use. Commented Feb 7, 2012 at 17:12

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i had similar problems and ended up tracking them down to particular images. out of my 400 images there where three that where huge (file size wise). so i would check that all of your images have similar file size (usually it is directly correlated with image size)

also aren't bitmaps pretty big? how big is your average picture?

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My Images are kind of like a wallpaper for each activity and they are 640x960px size and arround 250kB in size.
ya that shouldnt be an issue then. i had images of like 5mb that caused my problems. just to double check though, they are ALL around 250kb
most of them are arround 250kB and 8 of them are 1MB pngs.
well just for the sake of troubleshooting i would remove those 1mb images and see if it still happens
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Did you manage Bitmap objects? If so, you have to call Bitmap.recycle() method.

Bitmap.recycle() API documentation

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Yes I use Bitmap.recycle() in every possible place

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