Is it possible to scan the pixels of a huge image on Android without OutOfMemory errors?

Asked Sep 11 '14 at 20:03

Active Sep 11 '14 at 20:03

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When I take a picture using my Android phone, the photo is too large to be loaded directly into my app, so I have to scale the Bitmap down.

I would like to do some image analysis (thresholding) on Android, so I don't want to scale the image down too much. Is it even possible to view all pixel data from a huge image file?

asked Sep 11 '14 at 20:03

BinRoot

Load and process chunks at a time. – mclaassen Sep 11 '14 at 20:08
Whay do you mean by to big? 100 MB or 1GB ? – Damian Leszczyński - Vash Sep 11 '14 at 20:10
If you are targetting API Level 11+, you can set android:largeHeap="true" on the element in the manifest to request a larger-than-normal heap size – alpinescrambler Sep 11 '14 at 20:10
@Vash-DamianLeszczyński around 10MB. – BinRoot Sep 11 '14 at 21:37
http://stackoverflow.com/questions/10039672/android-how-to-read-file-in-bytes – mclaassen Sep 12 '14 at 02:10

Is it possible to scan the pixels of a huge image on Android without OutOfMemory errors?

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