*“640K ought to be enough for anyone”*
On Monday, July 30, 2012 1:30:46 AM UTC-5, Dianne Hackborn wrote: > > On Sun, Jul 29, 2012 at 5:45 PM, bob <b...@coolfone.comze.com> wrote: > >> Worried about memory? Try this: >> <application android:largeHeap="true"> >> > > No. > > First of all, this only helps you on higher-end devices that have lots of > memory to give you. So you still need to look at the memory available and > make sure you don't exceed it, and the limit may not be any more than you > have now. So this actually requires that you do *more* work on memory > management. > > Second, let's look at the documentation: > http://developer.android.com/guide/topics/manifest/application-element.html#largeHeap > > > In particular: "Most apps should not need this and should instead focus on > reducing their overall memory usage for improved performance." > > And if you follow the link to getLargeMemoryClass(): > http://developer.android.com/reference/android/app/ActivityManager.html#getLargeMemoryClass() > > We'll further emphasize this: "This is the space available for > memory-intensive applications; most applications should not need this > amount of memory, and should instead stay with the getMemoryClass() limit." > > This API does not "solve" your memory problems. You are programming for a > mobile, battery-powered, memory-constrained device. Part of that is tight > memory management. You don't get to shove an attribute in your manifest > and abdicate on that responsibility. > > -- > Dianne Hackborn > Android framework engineer > hack...@android.com > > Note: please don't send private questions to me, as I don't have time to > provide private support, and so won't reply to such e-mails. 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
