Android :: Detect Application Heap Size

Apr 13, 2010

How do you programmatically detect the application heap size available to an Android app?

I heard there's a function that does this in later versions of the SDK. In any case, I'm looking for solution that works for 1.5 and upwards.

Android :: Detect application heap size


Android :: Application Max Heap Size

Oct 27, 2009

I noticed when you create an AVD now that you can set an application max heap size. I found that when I did WVGA800 it was set to 24. So it looks like it's more than the 16 we are used to.

I there an API method to get the value of this max heap size? I haven't looked into that yet.

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Android :: Set Minimum Heap Size For Each Application

Mar 3, 2010

I could set minimum heap size in the source code like below.

--> VMRuntime.getRuntime().setMinimumHeapSize(INITIAL_HEAP_SIZE);

But I want to set this value in android.mk or androidmanifest.xml.

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Android :: Programmatically Get Maximum Heap Size

Oct 15, 2009

I have an app which does a bunch of image manipulations, and those images are ideally full-screen sized. It works on a G1 (or HVGA emulator), but runs out of memory on a WVGA emulator instance, because full-screen images use twice as many pixels. Fine, I can work around it by manipulating smaller images, then scaling up to WVGA at the end. There's some loss of image quality, but this is unavoidable on a WVGA device with a 16MB heap limit, so I'll live with that.

When a real WVGA device hits the streets in the next couple of months, though, it's likely to have more than 16MB heap per app, for just this kind of reason. So for best image quality, I'd like my app to adapt to this situation, and use full-screen-sized images on such a device. IOW, I'd like to implement a heuristic which sets the image size based on heap size.

In order to do so, however, the app needs to know what the maximum heap size is, and I haven't yet found an SDK call which will return this information. The various Debug.get* memory calls all seem to be to do with how much heap you have *allocated*, not how much you theoretically *can* allocate. I understand that this isn't necessarily a hard number, that issues like fragmentation and GC mean that you may not actually be able to allocate every last byte, but a theoretical number would still be useful.

Can anyone point me to an SDK call I've missed?

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Android :: Memory Leak - Heap Size

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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Android :: Increase Vm Heap Size In Phone

Sep 29, 2010

I am developing an application in android..but i got an issue of getting an error..that is out of memory exception while i am converting my file contents to byte array..i think this is the problem of reduced heap size..can u plz tell me how can i increase the vm heap size..i am using eclipse...

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Android :: Objective Of Setting The Minimum Heap Size In An App

Oct 5, 2009

In google's Calendar app for Android OS, you will encounter this line in the onCreate method of CalendarActivity.

// Eliminate extra GCs during startup by setting the initial heap size to 4MB.
VMRuntime.getRuntime().setMinimumHeapSize(INITIAL_HEAP_SIZE)

Can someone explain why setting it to 4MB will eliminate GCs ? Thanks

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HTC Incredible :: Vm Heap Size

Aug 4, 2010

What exactly is this? What benefit do you get by changing it?

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HTC Incredible :: VM Heap Size 24m Vs 32m - 2.2

Jul 31, 2010

Anyone know (with our phones running 2.2) what the optimal heap size should be? The leaked 2.2 came with 24m preset. Some ROMs run 32m. Bigger always seems better, but I've been reading other sites/forums and get conflicting thoughts.

That's why I thought I'd ask here.

I ran Linpack with both and average about 37.5 - 37.9 with either 24m or 32m.

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Android :: Reduce Heap Size To Get Space For BitmapFactory.decodeFile

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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Android :: Custom Heap Size In Android Platform

Jul 23, 2010

The software team in our graduation project asked for increasing the heap size per process in Android. They said that the default is "16MB" which isn't sufficient for them.

How could I custom the size?

I found a commented line in the file: /acme/my_board/BoardConfig.mk in my android source code:

# USE_CUSTOM_RUNTIME_HEAP_MAX := "64M"

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Android :: 16M Application Heap Limit

Aug 31, 2009

Does the 1.5 SDK still have the 16mB application heap limit? Is there any way to change it? Do you think this limit will persist into the forseeable future?

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Android :: Why Application Has Less Heap Memory Than Others?

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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Android : Way To Detect Screen Size?

Mar 19, 2009

How do I get the current screen resolution (width and height)?

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Android : Detect Screen Size Group (normal,large, Small)?

Dec 6, 2009

I am trying to detect if the screen size is normal, large or small. I am using

Configuration conf =view.getResources().getConfiguration();

(conf.screenLayout&Configuration.SCREENLAYOUT_SIZE_MASK) == Configuration.SCREENLAYOUT_SIZE_NORMAL

When testing with the emulator this works for screen sizes normal and small, but large (480x800 & 480x854) returns that it is normal...

I have found very little information on using the configuration to detect the group, has anyone got any experience with this?

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Android :: Installed Application Size Vs APK File Size

Jul 8, 2010

Can somebody explain to me what makes up the installed application size? I have an apk that is about 8 MB, and often when I install I get the INSUFFICIENT_STORAGE error. I have around 25-30 MB free space on the phone. I'm doing debugging so I have to upload lots of new versions. If I uninstall the previous version then I can install the new version. The application manager claims that the app is taking up 22 MB. So back to the original question, how come the app is taking up 22 MB when it really only is 8 MB?

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Android :: Want To Detect Application Idle Time

Nov 2, 2010

In my application there are three activities A -> B -> C -> A. I want to detect application's idle time, so that after 15 mins it will pop up a message irrespective of activity. what is the best method to implement this.

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Android :: Detect If User Using Application First Time?

Sep 21, 2010

I would like to know if the user is using the application for the first time. I am using SharedPreferences, but I am not sure if I have the right logic. How can I set my isFirstLaunched boolean to true when the user first launches, and then immediately set to false after work has been done?

protected void onStart() {
super.onStart();

if(isFirstLaunch()){
populateDefaultQuotes();
//Save the preferences, isFirstLaunch will now be false
SharedPreferences settings = getSharedPreferences(Constants.PREFS_NAME, 0);....................

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Android :: Programatically Detect Foreground Application / Screen?

Aug 20, 2009

Is there any way for a backfround task to programmatically detect or recognize by learned id which application or screen (different package) is showing?

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Android :: Detect Another Application Started Playing Audio

Aug 26, 2010

My music application constantly plays music in the background, however I'd like to be able to detect when another application starts playing audio (such as the YouTube app) so I can pause/mute/stop the audio in my application. This will allow a user to continue browsing the web whilst listening to music, but then if they wish to watch a video at any point, they can do so without audio conflict.

One solution might be to listen for a broadcast which states when an application begins using the AudioManager. Does such an Intent Action exist? Edit: As in the answer provided below, there appears to be a method of detecting the loss of audio focus in 2.2 with AudioManager.OnAudioFocusChangeListener.

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Android :: Detect Application Launch And Shutdown Events?

May 22, 2010

How to detect application launch and shutdown events?

I have used BroadcastReceiver for detecting incoming message, outgoing call and so on. but now I want to use Application Launch and its Shut Down event from my application..

Kindly waiting for any suggestion/link/source code....

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Android :: Getting Installed Application Size

Apr 7, 2009

I am using PackageManager class to retrive the information of the installed application on the device. But I didnt get any way to retrive the application Size on the device. Can any one help me out in getting how to achive this.

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Android :: Application - Apk - Maximum Size

Aug 21, 2010

I am going to install first application in my android phone, but having some doubts
related to Android Memory (Maximum size of APK).

Help me know and solve the problems:

What is maximum size of the apk that can be supported by the android ?
When we install any apk file in real phone, where does application installed (in SD-card or other memory) ??

I have referred this link: http://groups.google.com/group/android-developers/browse_thread/thread/7965885da4d1a03a and also searched lot.

I came Across the search on the web that many people are facing the same issue What is the maximum size of Application supported by Android. I think this question also help to the people who are connected with Android application programming and development.

Update:

This time i am having 58Mb application from that 52.5MB Images and it runs on the my HTC Hero mobile but On Emulator, it shows an error:

Failed to upload my_application.apk on device 'emulator-5554'
java.io.IOException: Unable to upload file: No space left on device
Launch canceled!

Way to store images inside the Drawable folder? is there any way to zip the images or such method?

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Android :: Rule For Size Of Application

Jun 3, 2010

I read this quote in one of the webpages: If you are writing a large application, consider dividing it into a suite of applications and services. Smaller applications load faster and use fewer resources. Making a suite of applications, content providers, and services makes your code more open to incorporation into other applications as described the "Use and be used" tip. Is this true? What is the thumb rule for the size of app?

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Android :: Limit To Size Of Application In Marketplace?

Mar 18, 2010

That there wasn't a limit to the size of an application that could be downloaded over the air (OTA) but I wonder if a limit, like that imposed by the Apple App Store (20MB) exists now that the Nexus one is running on AT&T's 3G network as of today.

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Android : Why Application Size Increase In Market

Aug 2, 2010

I developed one application its apk file size is 1.x mb.i uploaded apps into android market. when i check application on market it's size 2.x.why my application size is increase on android market. is there any possibility to reduce the size of apps on android market.

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Android :: Reduce File Size Of Application In Market

Jan 16, 2010

I want to reduce the file size of my application in the market. The strange thing is that my application "LeonardFrog.apk" just uses 4mb but the Google-Market shows me that it uses 8mb. You can search for it (Leonard Frog Beta) in the market. How can this be???

In my application, there are many images and long sounds. My folder "res" just uses 3,7mb and there is nothing else in my game beside the quellcode. So WHY is the size of my game in the market 8mb?

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Android :: Market Reporting Wrong Application Size

Jul 7, 2010

I've just released an update to my app and the apk file is 3.5mb on my system. It is reported as 3.5mb in the developer console. But in the market it is showing up as 7.02mb. I'm now getting comments that that app is too big and I feel people may not purchase it if they think it will take up 7mb of space.

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Android :: Maximum Size Of Application Database Allowable

Mar 20, 2009

what is the maximum size of application's database allowable in Android? In other words whats max capacity of android appl private database, as well as whats max capacity of content provider available?

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Android :: Maximum Application Size And BADA Platform

Jun 29, 2010

what is maximum size of thick/thin client application(to d/w through OTA) in both Android & Samsung Bada platform ?

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