BitmapFactory does NOT leak Bitmaps. A 2056x1536 opaque image requires 6 MB of RAM. An application has 16 MB max. Do the math.
On Thu, Feb 26, 2009 at 1:50 PM, <mark.ka...@gmail.com> wrote: > > > Are you using BitmapFactory? There have been a number of threads > about memory leaks, or similar problems when using BitmapFactory to > process bitmaps. Using Bitmap.recycle may mitigate, but not eliminate > these types of problems. > > M > > On Feb 26, 11:39 am, Mattaku Betsujin <mattaku.betsu...@gmail.com> > wrote: >> I think the best solution to handle very large bitmaps is to be able to >> decode only a small chunk of the bitmap at a time and process it. >> >> Does anyone know if the existing Android API can support this? >> >> If not, probably one solution is to write a smart decoder (in Java, so slow >> :-( ....) that can decode a small chunk. >> >> On Thu, Feb 26, 2009 at 11:32 AM, Tomei Ningen <tomei.nin...@yahoo.com>wrote: >> >> >> >> >> >> > You're running into memory fragmentation problems. Bitmap memory is >> > not allocated from the Java object heap. Instead, it's allocated from >> > the 'malloc' heap. That's why you don't see the Java heap expanding. >> >> > How big is your bitmap? If you're processing JPEG files, probably it >> > will be better to read the thumbnail directly from the JPEG file. This >> > way you don't need to create the Bitmap at all. >> >> > On Feb 26, 9:47 am, "bra...@gmail.com" <peacoc...@gmail.com> wrote: >> > > Ok I am at the end of my rope. >> >> > > I am doing some image processing. I have a large image file which I >> > > open and create a smaller bitmap from. At the end of processing I call >> > > recycle on everything. I null everything. I run GC manually. >> >> > > I then try edit another image and I get an out of VM memory error. >> > > Bitmap exceeds etc etc. >> >> > > I am looking at the heap and the secone edit doesnt seem to cause it >> > > to increase at all. >> >> > > What else can I do. Surely google cannot possibly be suggesting that >> > > we can open one large bitmap per session and thats it?- Hide quoted text >> > > - >> >> - Show quoted text - > > > -- Romain Guy Android framework engineer romain...@android.com Note: please don't send private questions to me, as I don't have time to provide private support. All such questions should be posted on public forums, where I and others can see and answer them --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
