How to handle outofmemory exception in android?

Question

I had a look for outofmemory exception questions but I couldn't find out a way for my problem. I have an application which processes images. I need to get RGB values of each pixel of the image. I can do it when I choose image from whatsapp file because they have small size but if I want to choose images from gallery(taken via camera) or if I want to take photo from camera directly I have outofmemeory exception. I don't want to scale down image because I need all pixels' information of the image.

I have the file and name information of the image as a string, I get this exception when I decode the string as shown below;

imgDecodableString  = intent3.getStringExtra("BMP");
rotatedBitmap = BitmapFactory.decodeFile(imgDecodableString);

Is there any way to handle this problem? Thanks in advance .

https://developer.android.com/reference/android/graphics/BitmapRegionDecoder.html — CommonsWare, Feb 01 '17 at 23:25
Make sure you are not leaking memory regardless of how big the bitmap is: https://developer.android.com/studio/profile/investigate-ram.html — Morrison Chang, Feb 01 '17 at 23:26
you can load portions at a time - see http://stackoverflow.com/questions/4753013/how-to-load-tiles-from-a-large-bitmap-in-android — SteelBytes, Feb 02 '17 at 01:30

score 1 · Answer 1 · answered Feb 02 '17 at 05:40

1

If You use this line of code in Manifest file in application tag the Outofmemory exception will solve try this.

android:largeHeap="true"

answered Feb 02 '17 at 05:40

Basavannevva

304
1
6

score 0 · Answer 2 · answered Feb 02 '17 at 07:11

0

If you don't want to scale down the image, you can use BitmapRegionDecoder to decode each part of the image and process the bitmap instead of decode whole the image.

answered Feb 02 '17 at 07:11

Anh Vu

219
3
10

score 0 · Answer 3 · answered Jul 17 '19 at 02:15

0

you must convert the high resolution of your drawable image to: drawable-xxhdpi. and add: android:largeHeap="true" on androidManifest.xml inside application tag

I have solved my OutOfMemory problem by using this method

answered Jul 17 '19 at 02:15

Edwin Kurnia Rahman

11
2

How to handle outofmemory exception in android?

3 Answers3