CODEWITHSUNDEEP
androidmemory-managementbitmapandroid-bitmapbitmapfactory
Oshri
Oshri

Reputation: 169

Proper way to release bitmap memory

I'm developing my first Android app. I have a method that creates two bitmaps and returns a third bitmap which is an overlay of the second bitmap on top of the first bitmap. So basically, I don't need the two bitmaps once the third bitmap is created. I've read some posts and articles about releasing bitmap memory and I'm a bit confused on how to handle it.

Do I have to release the bitmaps myself? If yes, what is the proper way to do so?Are they released when the method is finished? Should I just let the garbage collector release it?

public static Bitmap bitmapResizeOverlay(Context context, Uri selectedImage, int maxWidth,
                                         int maxHeight, @DrawableRes int overlayImageResource) {
    Bitmap selectedBitmap = bitmapResize(context, selectedImage, maxWidth, maxHeight);
    Bitmap overlayBitmap = BitmapFactory.decodeResource(context.getResources(), overlayImageResource);
    return overlayBitmapToBottom (selectedBitmap, overlayBitmap);
}

Upvotes: 0

Views: 232

Answers (1)

Abhinandan
Abhinandan

Reputation: 128

 selectedBitmap.recycle()

method is used always in when you want clear the memory occupied with bitmap. The down side of not recycling the bit map could be OOM (out of Memory Exception)

Upvotes: 1

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