Yes, applying these techniques already... bitmap recycling has to be improved although. Thanks.
On Monday, July 16, 2012 3:54:15 AM UTC+2, smith wrote: > > Is your app needs bitmaps as many as Gallery ? My way is that, > > 1. re-use all the "Manage Object" which contains the reference of the > Bitmaps to avoid gc to collection this structures. > 2. manually recycle bitmaps when not needed > 3. multi-thread decode bitmap and insert > > 2012/7/15 user123 <ivanschu...@gmail.com> > >> I don't understand why it's not just possible to (easily) say, please, >> free all the memory in the native heap *now* - I don't care if I have to >> wait a bit, for garbage collection and so on. But this is not possible and >> I have just to rely on the system and see how my app keeps crashing... >> >> >> On Sunday, July 15, 2012 12:35:44 AM UTC+2, user123 wrote: >>> >>> My app has a lot static images (backgrounds, buttons, etc.) and a lot of >>> small images, which loads from the web. These images are shown in a list >>> view, for example. >>> >>> I'm looking for a strategy to avoid out of memory errors. In the devices >>> with less than 25 mb it runs out of memory very soon and crashes. >>> >>> What I have done: >>> >>> - Put the static images with the correct resolution in the correct >>> folder (in this specific case it's hdpi). >>> - Create a singleton class which caches the dynamically loaded images. >>> >>> Even if I disable the caching in the singleton class, I'm running out of >>> memory. I logged the native usage with Debug.**getNativeHeapAllocatedSize() >>> and I know that bitmaps are the cause of the problem. >>> >>> I can't lose quality of the images. >>> >>> I would take in account slower loading speed, as long as the app doesn't >>> crash! But calling System.gc() doesn't seem to be reliable, even less with >>> native heap, and recycle manually the bitmaps at the end of each activity >>> is a pain, because first, I have to initialize all the backgrounds in code, >>> in order to get a reference to the bitmap, then I have to use some data >>> structure, to hold all the bitmaps, and at the end of each activity call >>> recycle on all, and then I have also to manage, that, in the next activity, >>> I don't try to use the same bitmap instances, because I'll get exception >>> "trying to use a recycled bitmap". >>> >>> So what do I have to do? Please help... >>> >> -- >> 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 >> > > -- 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
