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?
View 5 Replies
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?
I am getting an error , when I try to access the shared preference from within class that extends View.
The Error : "The method getSharedPreferences(String, int) is undefined for the type ViewforRed" , where ViewforRed is my class: Here is the sample code...
I want to call a bitmap from a method in my main class and am unsure how to do it - I have a method: Code...
So basically, how can I place the bitmap in my detectFaces method in my main class and pass it as a bitmap on my imageview in my false class?
I am trying to display an bitmap I created in and android program, but all the tutorials I find involve either Drawables or XML in order to display them. Can someone show me the steps needed to display an Bitmap in code?
This is not the entirety of the code, this is just the majority, the rest is related to getting the camera working. code...
Posted my problem here too HERE: A beginner..Im doing a school map app.
First of all I have background with 4 buttons ( level3, level4, level5, level6) I try and click all the buttons, normally after clicking 3 of it, the next one will crash.(each level button goes into a level map, whereby clicking the room image buttons, I will enter into the gallery-imageswitcher)
I have at least 5 imageswitchers in each level maps,so that about over 20 imageswitcher galleries overall.
I did all my stuffs using DRAWABLES instead of BITMAPS.. I have tons and tons of images (because its a school map, show all the photos in my school, and all those backgrounds and imagebuttons)
I did some research, and those who have problems are those using bitmap. Some of the ways that can be solved is system.gc();, and bitmap.recycle...(not so sure how to use it though)
In my main background - starttour.java Code...
PS: I have tons of images in the app; I have at least 5 imageswitcher gallerys in each level, so that kinda adds up to over 20 imageswitchers in my app.
Every time I download a app it installs in phone memory and not internal memory.Where is the settings for this? I am switching over from windows mobile phone to my new incredible
View 1 Replies View RelatedI'm wanting to learn more about android. Is there a way to use memory from the sd card for the phones internal memory? Is there an app that will tell me whats useing up so much memory? I'm on the ZTE warp sequent ,rooted.
View 1 Replies View RelatedI am very much interested and also needed to use an internal class which is not shipped with android sdk.the class is com.android.internal.telephony.Phone. Please if u guys have any idea about how ti use internal class then please let me know.
View 3 Replies View RelatedIs 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?
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?
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?
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?
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.
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.
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?
View 1 Replies View RelatedI'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.
I've been doing a lot of searching and I know a lot of other people are experiencing the same OOM memory problems with BitmapFactory. My app only shows a total memory available of 4MB using Runtime. getRuntime ().totalMemory(). If the limit is 16MB, then why doesn't the total memory grow to make room for the bitmap? Instead it throws an error.............
View 1 Replies View RelatedI'm writing game with a large amount of .png pictures. All worked fine. Than I added new activity with WebView and got memory shortage. After that I made some experiment - replace game .png images with ones that just fully filled with some color. As result memory shortage had gone.
But I suppose that Bitmap internally hold each pixel separately so such changes should have no effect. Maybe this because of initial images have alpha channel and my test images have not it?
But actually question is: Will decreasing .png images files sizes make some effect on decreasing usage of VM application heap or not?
In my application am displaying a list of names and respective pictures ? I am picking picture from gallery through Durable.getFromPath(). ? am displaying list , some i encountered with out of memory error ? please help me to sort out this error?
View 1 Replies View RelatedI run on a desire 2.2 froyo. I have enabled apps to sd, and moved all the apps that can be moved?(dunno if i can move all the apps?)well, the problem is, my internal memory gets filled up pretty fast. So my question is:"How to move all the "crap" over to the sd-card?"
View 38 Replies View RelatedHowever after getting a bunch of apps from the android market i am getting a warning saying my internal memory card is getting full.when I check under settings, i still have about 20mb left. At what size do i start getting this warning? Its it possible to save apps onto the sd card instead of the internal memory? Also is there a size limit for the number of text messages, i starting getting warning messages for those as well.
View 1 Replies View RelatedIs there an API to determine available internal memory?
View 2 Replies View RelatedProblem: I have one app that let's you lock the device using Device Administration. One of my users had some conflicts with my app and another. He then removed Device Administration and uninstalled my app, rebooted his phone, and now he cannot access his phone.
He of course cannot use my app to change the password now (since it's uninstalled).
His phone is stock 2.2 LG Optimus V, Virgin Mobile, Rooted.
Question:I'm needing to find a way that my user can now change his lock code.
I need:
1.) to know an internal class (from com.android.internal) that I could use within an app to change the lock code (just like the system settings do).
2.) to know a command I can use with adb shell to remove or change the phone lock code.
3.) to know the location of the file that stores the lock code information.
I got a warning that I have little memory left on the phone. How do I move my downloaded games to the SD card..I have an 8MB
View 5 Replies View RelatedI've started seeing some apps that offer to read/write data to the internal phone memory (like Super KO Boxing 2, which offers to save a whopping 52MB to the phone memory). I suppose this is because newer Android devices have a lot of internal storage, as opposed to my devices, which have very little. I would like to support internal storage in my app as well.
But it's a bit difficult to implement a solution to something that I don't really know how it works. For example, do these newer devices allow users to upload files to the internal memory, like it's possible to do with the SD card? Can someone explain internal storage from an user perspective and recommend strategies for supporting read/write operations both for internal and external memory (ie: letting the user choose which memory to use at startup, like the Super KO Boxing 2 app)?
The product I have in mind is a Android phone with 32 GB of internal storage, plus the usual microSD expansion slot.
View 9 Replies View RelatedIt's perfectly described here how to do it, the only problem: He doesnt know the function
CODE:..............
Those are the relevant packages I imported:
CODE:.................
Is it possible for an app to grow or continue to use up internal memory as you use it? I installed a new Android/Facebook app named Dungeon Quest less than a day ago. Since then I have use this app on and off but I have noticed that gradually my phones internal memory has been growing (from 231mb used to 240mb)! I haven't made any of My space is now getting critical.
Is there anyway short of rooting to reclaim this space? This seems to be a buggy app. I'm wondering if its got some kind of error log file growing in my internal memory area?
How I copy a image to internal memory and recover after that?
View 2 Replies View Related