Android :: Out Of Memory On Bitmap But There Is Free Heap Space
Aug 10, 2010
I have a list view that display about 25 images with size 60x60 pixels. I dowload this images from internet and I store in an arraylist as Bitmap. I need to save it in a arraylist because a listview will recycle views and so I need, wenn the user scroll, to display the image in the new view WITHOUT downloading again from internet
But after some time I got
java.lang.OutOfMemoryError: bitmap size exceeds VM budget
It seams that I got this exception about after loading 20 images ...
Reading in forum I have read about memory heap.
I try to check the memory heap usage with: Debug.getNativeHeapAllocatedSize and Debug.getNativeHeapSize()
When the exception occours both are about 4M.
But android has more than 4M?
When the application start the values are a little less to 4M so it seams is not a big memory usage or memory leak.
To be sure I want to call : ActivityManager.getMemoryClass() but this method is and instance method and I can't find the object to invoke!
But this method say, that al min should an application have 16M!
Any help? I have seen many topics in google ... but all speak about recycle. But if I recycle a bitmat ... then should I download again from internet?
Should I store the image on flash memory or sd card instead an arraylist in memory?
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Feb 26, 2009
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 doesn't 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?
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Aug 27, 2010
So recently I have had my EVO tell me that I am running out of disk space (Internally), so is there an App or a way I can view my internal files and delete them off. I know I can use the Market to delete Apps and I can use the stock Froyo Manage Applications to remove Apps, but I feel that files I download to my phone are going to my internal memory rather then my SD memory. all the help!
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Apr 30, 2013
I have a problem with my Android phone. I already select an option to install apps into SD card but each installed apps still consume some free space in internal memory. Example: an app size 20 would take 2-5mb in internal memory. Unfortunately, my internal memory is only 222mb.
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Feb 13, 2012
Now the XT532 (taiwan version) can be rooted, I am interested to know what can be removed. On the internal memory, it states is has 160Mb available of which 95 is already used by the applications on the ROM. So I only have 65Mb available for new programs. I try to move as much as possible to the SD-card, but still i run into the limits very fast. But how do I know what can be removed safely? Also, a total of 160Mb seems quite low for a phone which is listed as 500Mb ROM/ 500Mb RAM. How is that calculated? Is the other 340 all occupied by Android?
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Jun 9, 2010
I have pretty much reached my limit on internal space, but while looks at my apps list on which to delete because I don't use I found only two. I was wondering what will happen if I clear data on the contacts storage i.e. will I loose my contacts, and with the facebook. Is there a way of clearing the data not uninstalling apps if so what data does it clear?
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May 21, 2010
How can I find how much free space / memory I have left on my phone? RAM, MB, etc? I just rooted, installed a ROM and learned how to delete bloatware. Now I want to learn how to monitor my usage of space, and try to make my phone faster.
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Sep 26, 2013
I have free space on the internal memory of my phone that is not recognized for things like installing an app.
This is my phone:
Model: Motorola XT919
Android version: jelly bean 4.1.2
Internal memory: 4gb (really 2,2 gb free since the rest is used by the OS)
Rooted: Yes
I found out about this problem because I was running out of internal space so I inmediately checked the storage settings and I found this:
In the installed apps settings it shows 766 mb free of internal space But in the storage settings the things are different: As you can see, this time I only have 127 mb free of internal storage....
Just to be sure, I downloaded the app Storage Analyser and once again checked the internal storage free space: And this time shows 1,52 gb free...
Well the thing is that my phone considers as free space just the 127mb shown on storage settings, and I want the phone also uses the free space shown on the app settings or the one shown by storage analyser.
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May 21, 2009
I forgot to mention that I am using a third party JAR file that includes about 2900 classes.
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Nov 16, 2010
I learned from several discussions of this group that BitmapFactory.decodeFile() allocates heap memory outside of the "java heap". My app receives encrypted files from a remote server. Decoding those files needs a lot of heap space. After finishing this decoding step most of the allocated heap space will be freed by the GC. But the (total) heap size - as displayed by the DDM - remains large. In this situation there is not enough heap space outside of the "Java heap" to decode even medium sized image files using BitmapFactory.decodeFile(). At the moment I limit the size of encrypted files to ensure that the Java heap space never increases to more than 10 MB. This ensures that there is enough memory for BitmapFactory.decodeFile(). But this is not very elegant.
Is it possible to tell the dalvik-vm to reduce the (total) heap size to have more space for decoding images or is there another solution?
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Jul 21, 2010
I have a very large image and I only want to display a section the size of the display (no scaling), and the section should just be the center of the image. Because the image is very large I cannot read the entire image into memory and then crop it. This is what I have so far but it will give OutOfMemory for large images. Also I don't think inSampleSize applies because I want to crop the image, not lower the resolution.
Uri data = getIntent().getData();
Input Stream is = getContentResolver().openInputStream(data);
Bitmap bitmap = BitmapFactory.decodeStream(is, null, null);
Any help would be great?
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Mar 3, 2010
Our app has some memory peaks, which let the heap grow to 13M. After the peak, there's 9M of free heap. Everything's fine until Bitmap objects come into play. Despite having 9M of free heap creating Bitmaps, which have only some 100k, now fail with a OutOfMemoryException!
My theory: Allocation fails if (Java) heap *size* plus external allocations (e.g. Bitmaps) exceed 16M, no matter that there is lots of free memory in the heap. The VM could shrink the heap, but actually does not. Would be quite a flaw in the VM.
Does anyone share this theory?
On the downside of this theory: I do not see anything appropriate (killing the process is probably not) an app developer could do to prevent those OutOfMemoryExceptions given that those memory peaks are legitimate and unavoidable.
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Jun 30, 2009
07-01 11:32:02.192: VERBOSE/QualcommCameraHardware(35): state transition QCS_WAITING_JPEG --> QCS_IDLE 07-01 11:32:02.232: ERROR/dalvikvm-heap(395): 6291456-byte external allocation too large for this process. 07-01 11:32:02.232: ERROR/(395): VM won't let us allocate 6291456 bytes 07-01 11:32:02.242: DEBUG/AndroidRuntime(395): Shutting down VM 07-01 11:32:02.242: WARN/dalvikvm(395): threadid=3: thread exiting with uncaught exception (group=0x4000fe70) 07-01 11:32:02.242: ERROR/AndroidRuntime(395): Uncaught handler: thread main exiting due to uncaught exception 07-01 11:32:02.302: ERROR/AndroidRuntime(395): java.lang.OutOfMemoryError: bitmap size exceeds VM budget My app shut down when i load a jpg file,i can avoid it by call system.gc().But I think memory limit will be 14M or 16M.
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Nov 18, 2010
My question may look naive but I do not know how to formulate it more correctly. The problem is that I create and use large simple type arrays in my application.
And I get errors like: ERROR/dalvikvm-heap(1763): Out of memory on a 7907344-byte allocation.
Yes, it's big enough but task management tools claim that my application is using only 30MB of memory, while other at the same time use 50MB and even 110MB (have seen once) and there is still 190MB of free memory in the system (not system applications, just other ordinary applications I have installed). If all applications are provided with the same heap size at startup how can they grow so big?
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Jan 15, 2010
I am working on an application for android and we since we have lots of graphics, we use a lot of memory.
I monitor the memory heap size and its about 3-4 Mb , and peeks of 5Mb when I do something that requires more memory (and then goes back to 3). This is not a big deal, but some other stuff is handled outside the heap memory, like loading of drawables.
For example if I run the ddms tool outside eclipse, and go to sysinfo, I see that my app is taking 20Mb on the Droid and 12 on the G1, but heap size are the same in both, because data is the same but images are different.
So the questions are: How do I know what is taking the memory outside the heap memory? What other stuff takes memory outside the heap memory? Complex layouts (big tree) ? Animations?
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Aug 10, 2009
I know that's a subject which was discuss a lot of time and I try to find a solution since more than 6 day for the memory leak which appears in my application.
I've read this page: http://www.curious-creature.org/2008/12/18/avoid-memory-leaks-on-andr...
So, I don't use static member fields, I always use recycle() and I don't use inner class.
My application use a gallery and some bitmap. I use finalize to monitor garbage collection in each class of my application: protected void finalize() throws Throwable {try {Log.d("FINALIZE", this.toString());} finally {super.finalize();}
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Jul 7, 2010
In my android app, is there any way to get the total amount of memory my application is taking up, in the code. I'm using lots of large bitmaps, so it must include external allocations as well. I must, however, be able to get the number in the code, so that I can dynamically adjust to fit the budget I have.
I also need a way to get the total amount I have available (16Mb or 24Mb) as well.
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Sep 2, 2010
I've been trying to diagnose a memory leak in an Android application I'm writing. I got a heap dump loaded into Eclipse, but the results I'm seeing are very curious. There are some 20,000 instances of an exception (specifically, LDAPException from the UnboundID LDAP library) in the heap with no inbound references.
That is, they show up at the root of the dominator tree. The OQL SELECT objects e FROM com.unboundid.ldap.sdk.LDAPException e WHERE (inbounds(e).length = 0) returns over 20,000 results, totalling to nearly all of the heap. And yet, the GC runs before the heap dump and I can see that it's running in the console, repeatedly, during the execution of the leaky code. If these instances have no inbound refs, what could be keeping them alive?
I also tried doing a "shortest paths to GC" query. It shows one LDAPConnectionReader row retaining 2 instances, and ~20k LDAPException @ <addr> unknown rows with various hex addresses.
Update: I haven't had time to further diagnose this since posting it, and the bounty I posted is ending before I likely will. I'm awarding it as best I can now, lest the points go to waste. Thanks to everyone who looked into this! I will come back later and update again with the results of further diagnosis, when life is a little less hectic.
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Sep 27, 2010
Is there any way to pre allocate the memory required for a bitmap. Android's memory model is making it very difficult for me to cache images I need to cache.
It would seem the problem is because the VM heap rarely shrinks itself, so I would like to just allocate memory for bitmaps ahead of time? but I can not figure out how to do this?
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May 31, 2010
is it possible to check, how much free space is available in android sd card through android programming..... i am storing some images in sd card but before that want to check how much free space is available.....
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May 13, 2009
Part of my application allows the user to color-correct images. When i open an image for editing, i'd like to know what, more or less, the available bitmap memory is for the device that the app is running on.
For the G1, the limit is use is about 6MByte (about a full-size image that can be taken by the phone (3MPixels) with 16 bit color ==> 6MByte). If i try to open anything larger, i often get an out-of- memory exception. Limiting it to 6MByte reduces these OOM exceptions by a great deal. However, i can see future devices having more memory available because (as one of the reasons) they can take larger pics (e.g. 5MPixel or something).
Right now, my app just uses a hard-coded limit of 6*1024*1024. Is there a way to make this variable, to future-proof this by examine the device my app is running on. If so, how?
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Aug 14, 2010
What is an effective way to determine how much free space is on the SD card?
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Jan 15, 2010
My game - Tower Raiders - is continually floating fairly close to running out of bitmap memory. Unfortunately, I haven't found good information on profiling bitmap memory usage so that I can optimize / make informed decisions / add new content if it allows / etc.
I'm aware that bitmap memory is not heap memory, as it's allocated natively. But that it is accounted for somehow in the VM and influences garbage collection. Maybe it's an oversimplification of how bitmap memory works - but I'd like to find a tool etc or some way of determining I as the game is running right now, there are no more than X bytes of usable bitmap memory remaining.
So, if anyone has any advice etc that would help me in these respects I would greatly like to hear about a workflow for this.
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Jun 4, 2010
I've read a lot of previous messages on this topic but couldn't find universal agreement on the whole. I can't reproduce this in house, but a customer got an OutOfMemoryError when using an icon chooser dialog.
This dialog is much like the Grid1 example - only it's in a dialog.
The bitmap memory seems to run out after running the dialog a few times for a customer, resulting in java.lang.OutOfMemoryError: bitmap size exceeds VM budget. Should I try to call recycle on the bitmap from an ImageView when I reuse the view? Or would the ImageView do that anyway?
But even if I do that, that's only a small portion of the bitmaps because most of them are seen without scrolling. The Adapter and the GridView are both local variables and therefore shouldn't be referenced after the dialog is dismissed.
I do believe that it should be possible to use many bitmaps in an app - Google Maps does it, Picture Gallery does it. But maybe I need to learn more rules. Some say you should call bitmap.recycle, some say you shouldn't have to. Many say calling gc.collect will make it worse, etc.
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Sep 7, 2009
The package installer looks to take up a good amount of space when installing applications. We've published a very large game (ProjectINF - 6mb). And it looks to be taking up a good amount of space during the install process, to the point that we have a lot of users emailing us with complaints/requests to "fix it".
From what we've seen, it looks to take about 22mb of free space to install a 6mb apk. While I can imagine taking double or so for unpacking and temp locations, almost 4x the size seems a bit high. After an install with 22mb free, the device has 16mb free (which makes perfect sense). Users also seem to be getting errors on the market when trying to install with less than that amount of space (with no real clear error message, just "Install Failed".
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Nov 13, 2010
I am developing an android application where i need to determine the free space available on the sdcard.
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Jul 24, 2010
I have a large bitmap that i would like to keep in memory when the qwerty keyboard is visible. My app is always in landscape, so this is the only configuration change that will cause a reDraw. I heard this is what onRetainNonConfigurationinstance() is for...but cant figure it out. Can someone point me in the right direction?
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May 26, 2009
When I pass a Bitmap using the Binder Remote service mechanism, does the internal implementation of writeToParcel/createFromParcel of the Bitmap class use shared memory?
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Jul 22, 2010
I'm developing an image editor for Android. When I do some operations with small pictures (600x600 - 1024x768), the program work well. But when I do some operations with big pictures, I always obtain an OutOfMemory Error. I read read many post trying to have the image in memory. Also I looked at the Android's Gallery, trying to simulate the effect of loading the image with lower quality and get the complete quality after a while. But I doesn't get to work with large images.
I thought of using the parameter inSampleSize but I raised the problem of having to perform operations on the image and save it with the original size, so it no longer serves me. The only thing I've done is use the parameter inJustDecodeBounds and display an error to the user if the image exceeds the available memory.
Is there any possibility of working with large images with no memory problems? I need urgent help.
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Aug 15, 2010
My application allow to download files and store them on the external card. To avoid filling it, I've implemented a safety check so it prevents downloading when the free space is less than 20MB. The computation of the free space is done by:
public synchronized long getFreeSpace() { if (statFs == null) { statFs = new StatFs(getExternalStorageDirectory().getAbsolutePath()); }
return statFs.getAvailableBlocks() * statFs.getBlockSize(); }
which I presume is correct. In fact, it works in all my tests and for what I can say for the 99% of users. But a single user notified me that my app is constantly giving the "card full" message, as if the above method didn't work. He also told me that the problem went away after a while, and returned after upgrading a new release of my app. The user seems an advanced one, and I think he's able to check and correctly manage the contents of his external card. He reported that the card has more than 1.4GB free on the card. Are you aware of any specific issue or bug? The smartphone of the user is a Dell Streak with Android 1.6.
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