IMHO, if the device offers 50% more memory per application, but the bitmaps take up more than 50% more memory, then the net effect is a stricter limitation.
i'm seeing some occasional OOMs only on Droid, and so i'm being extra careful about recycling bitmaps and all that. At 5:40 PM -0800 12/2/09, Romain Guy wrote: >The new device does not have stricter limitations since it gives apps >more RAM (24 MB instead of 16 MB.) > >On Wed, Dec 2, 2009 at 5:29 PM, Matt Kanninen <mathias...@gmail.com> wrote: >> What did I do wrong? I worked within the defined limitations, then a >> new handset came out with stricter limitations. >> >> I'm kind of confused how you can blame me! >> >> On Dec 2, 5:19 pm, Romain Guy <romain...@android.com> wrote: >>> The Droid has more pixels and a high display density, therefore >>> bitmaps are scaled and require more memory. If your app is running out >>> of memory, do not blame it on the framework and "poorer performance," >>> blame it on your app for doing the wrong thing and abusing the Java >>> heap. >>> >>> >>> >>> > The app worked great on the G1. I've clearly hit a case where the >>> > framework made some decisions that result in poorer performance on the >>> > Droid. >>> >>> > The bitmap out of memory errors can still occur on any setLayout(res/ >>> > xml/id), after running the app for 5-30 mins. But I did fix the >>> > bitmap out of memory crash that occured during >>> >>> > glow.setBackgroundResource(glowDrawableIds[scale]); >>> >>> > We just don't set a new background resource anymore. >>> >>> > I had 10 animation frames, and the animation frame chosen was based >>> > upon the volume coming from the mic. >>> >>> > Now we take what was the last frame, and vary it's drawable's >>> > transparency depending on volume. >>> >>> > glow.getBackground().setAlpha(alpha); >>> >>> > I will now start creating additional res/xml/files, so that LESS >>> > complex layouts are used on the Verizon Motorola Droid with firmware >>> > 2.0 then we used on the G1. >>> >>> > The layouts, and the final resulting screens were approved by >>> > management, so I will be trying hard not to change ANYTHING on the G1, >>> > while adding support for the inferior memory handling on the only >>> > Android 2.0 handset. The one with better specs. >>> >>> > Can anyone recommend which Android debugging tool I should be using to >>> > figure out what to optimize? >>> >>> > On Nov 25, 11:11 am, Streets Of Boston <flyingdutc...@gmail.com> >>> > wrote: >>> >> As in the comment in your bug-report by Romain, you're using too much >>> >> memory. >>> >> Note that you only have 16MByte total available RAM for your process, >>> >> including your bitmaps. >>> >>> >> - Only load the bitmaps that are absolutely necessary (especially when >>> >> they become quite large). >>> >> - Load the bitmaps scaled to the size of your screen, if possible. Use >>> >> BitmapFactory.decode and set the 'inSampleSize' of your bitmap-options > >> >> to scale down the size of the bitmap to be loaded and rendered on the >>> >> screen. >>> >>> >> On Nov 25, 12:46 pm, MattKanninen<mathias...@gmail.com> wrote: >>> >>> >> > <a href="http://code.google.com/p/android/issues/detail?id=5045";>Issue >>> >> > 5045</a> >>> >>> >> >http://code.google.com/p/android/issues/detail?id=5045 >>> >>> >> > On Nov 25, 9:37 am, MattKanninen<mathias...@gmail.com> wrote: >>> >>> >> > > This: >>> >> > > private static final int[] glowDrawableIds={ >>> >> > > R.drawable.graphic_microphoneglow_01, >>> >> > > R.drawable.graphic_microphoneglow_02, >>> >> > > R.drawable.graphic_microphoneglow_03, >>> >> > > R.drawable.graphic_microphoneglow_04, >>> >> > > R.drawable.graphic_microphoneglow_05, >>> >> > > R.drawable.graphic_microphoneglow_06, >>> >> > > R.drawable.graphic_microphoneglow_07, >>> >> > > R.drawable.graphic_microphoneglow_08, > >> >> > > R.drawable.graphic_microphoneglow_09, >>> >> > > R.drawable.graphic_microphoneglow_10 > >> >> > > }; >>> >> > > ... >>> >> > > View glow = findViewById(R.id.glow); >>> >> > > .. >>> >>> >> > > glow.setBackgroundResource(glowDrawableIds[scale]); >>> >>> >> > > is causing >>> >>> >> > > 11-25 09:21:02.046: WARN/UsageStats(1018): Failed to >>>persist new stats >>> >> > > 11-25 09:21:02.694: DEBUG/dalvikvm(2386): GC freed 298 >>>objects / 15656 >>> >> > > bytes in 61ms >>> >> > > 11-25 09:21:02.952: ERROR/dalvikvm-heap(2386): 1111680-byte external >>> >> > > allocation too large for this process. >>> >> > > 11-25 09:21:02.952: ERROR/(2386): VM won't let us allocate 1111680 >>> >> > > bytes >>> >> > > 11-25 09:21:02.952: DEBUG/AndroidRuntime(2386): Shutting down VM >>> >> > > 11-25 09:21:02.952: WARN/dalvikvm(2386): threadid=3: thread exiting >>> >> > > with uncaught exception (group=0x4001b180) >>> >> > > 11-25 09:21:02.952: ERROR/AndroidRuntime(2386): Uncaught handler: >>> >> > > thread main exiting due to uncaught exception >>> >> > > 11-25 09:21:03.014: ERROR/AndroidRuntime(2386): >>> >> > > java.lang.OutOfMemoryError: bitmap size exceeds VM budget >>> >> > > 11-25 09:21:03.014: ERROR/AndroidRuntime(2386): at >>> >> > > android.graphics.Bitmap.nativeCreate(Native Method) >>> >> > > 11-25 09:21:03.014: ERROR/AndroidRuntime(2386): at >>> >> > > android.graphics.Bitmap.createBitmap(Bitmap.java:468) >>> >> > > 11-25 09:21:03.014: ERROR/AndroidRuntime(2386): at >>> >> > > android.graphics.Bitmap.createBitmap(Bitmap.java:435) >>> >> > > 11-25 09:21:03.014: ERROR/AndroidRuntime(2386): at >>> >> > > android.graphics.Bitmap.createScaledBitmap(Bitmap.java:340) >>> >> > > 11-25 09:21:03.014: ERROR/AndroidRuntime(2386): at >>> >> > > android.graphics.BitmapFactory.finishDecode(BitmapFactory.java:488) >>> >> > > 11-25 09:21:03.014: ERROR/AndroidRuntime(2386): at >>> >> > > android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:462) >>> >> > > 11-25 09:21:03.014: ERROR/AndroidRuntime(2386): at >>> >> > > >>>android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java: >>> >> > > 323) >>> >> > > 11-25 09:21:03.014: ERROR/AndroidRuntime(2386): at >>> >> > > android.graphics.drawable.Drawable.createFromResourceStream >>> >> > > (Drawable.java:697) >>> >> > > 11-25 09:21:03.014: ERROR/AndroidRuntime(2386): at >>> >> > > android.content.res.Resources.loadDrawable(Resources.java:1705) >>> >> > > 11-25 09:21:03.014: ERROR/AndroidRuntime(2386): at >>> >> > > android.content.res.Resources.getDrawable(Resources.java:580) >>> >> > > 11-25 09:21:03.014: ERROR/AndroidRuntime(2386): at >>> >> > > android.view.View.setBackgroundResource(View.java:7187)- >>>Hide quoted text - >>> >>> >> > - Show quoted text - >>> >>> > -- >>> > 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 >>> >>> -- >>> 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 >> > > > >-- >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 -- jason.vp.engineering.particle -- 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
