Android :: Different Bitmap Wallpaper For Every Home Screen - OutOfMemory
Jul 23, 2010
I am trying to set a different wallpaper for every home screen, but I get OutOfMemory issues. I have 5 Bitmaps which I am trying to overlay on a wallpaper Bitmap which is 5 times the display width. Using the code below I get OOM. The problem seems to be the first line of code which creates the large wallpaper Bitmap. My question is whether there is a way to do this (i.e. some way that takes up less memory, or someway to allocate more memory?).
CODE:.......................
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Aug 10, 2010
I have a bitmap that I load from the SD card by allowing the user to choose a picture to display. Once the bitmap is created, I set the Bitmap in an ImageView:
CODE:.........................
This works fine. But, if I change the screen orientation from portrait to landscape, and back again a few times, I always get an OutOfMemory exception.
In onPause, I call mBitmap.recycle(), and then on onResume, I call the above code again to create the bitmap and set the ImageView. Since I'm recycling the image each time, how can I get an OutOfMemory error?
In any case, since that failed, I found a post that said to try using onRetainNonConfigurationInstance() and getLastNonConfigurationInstance(). See post http://stackoverflow.com/questions/3250987/save-cache-when-rotate-device/3252547#3252547. I changed my code to work this way, and I still get an error. Changing the code, I had the call to getLastNonConfigurationInstance() in onCreate(), and removed all code in onPause and onResume. provide some way to simply load an image, and then be able to pause and resume the Activity without running out of memory?
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Nov 5, 2010
In my application I load a couple of images from JPEG and PNG files. When I place all those files into assets directory and load it in this way, everything is ok:
CODE:..................
But when I try to load the exact same images from sd card, I get an OutOfMemory exception!
CODE:..............
This is what I get in the log:
CODE:...........
UPDATE: Tried both of these on real device - it seems that I can't load more than 12MB of bitmaps into whatever is called "external memory" (this is not an sd card).
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Aug 25, 2010
I've been trying to make a simple live wallpaper out of a boot animation. So basically i have about 50 .pngs in my drawable folder. I'm able to set the animation to about 10-20 frames and it works great. But once i set it to about 30 frames...I get an OutOfMemory Error. I was hoping maybe someone could take a look at my code and maybe give an example of how I could achieve more frames? That would help so much i've been looking at this for hours > <
Here's my code:..................
And here's a logcat if that'll help at all:
CODE:...............
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Aug 19, 2010
OK, newb here. When I try to use a wallpaper (stock HTC or downloaded) I get the little box to size it, but it's in landscape mode so I don't get the whole wallpaper on the home screen. Shouldn't it be portrait? Am I missing something simple?
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Nov 12, 2010
when I download a random pic that I want to use as a wallpaper, the evo always makes me crop what part i want and i can never choose the whole image, therefore blowing up the wallpaper and making it ugly at times. Is there an app that can fix that, or what can i do about it?
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Nov 1, 2012
As we know android comes with 3 or 5 or 7 home screens. I want to set wallpaper image on a single home screen programetically and fix it for all other home screens.
I used following code :
Display display =((WindowManager) getSystemService(Context.WINDOW_SERVICE)).getDefau ltDisplay();
Bitmap bmp = Bitmap.createScaledBitmap(wallpaperImage,display.g etWidth(),display.getHeight(), true);
setWallpaper(bmp);
and wallpaper image is set but it spans across all 3 home screen. How can i fix it to one screen so that if user swaps home screen a single image will display.
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Jul 17, 2010
One thing i absolutely HATE about my Droid INC is the wallpaper is the same for all screens.Can the X display a different wallpaper for each home screen? If not do you know of any Android VZW phones that will?
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Jul 6, 2010
I recently got my incredible and i love it, I have 2 issues with it, first is battery but you know downloading stuff all day long will tank a battery the other. I cannot put a picture on the wallpaper on my phone. If I do, it changes it to the HTC colors. I can however post any live wallpaper just not any pictures. This is become a great irritation and I am uncertain if this is a software or hardware problem.
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Jul 22, 2010
Im using launcher pro. I only have one dock. When I set a wallpaper to my home screen it always stretches it out past the screen. Even if I use a wallpaper with the correct screen resolution(800 x 480), it still never displays correct on the screen. It seems to always "zoom in".Any idea?
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May 5, 2010
I know that you will be able to have stock live wallpapers that are animated but will you also have the option or be able to use and apply your own animated (gif) pictures to your home screen?
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Jun 24, 2010
I am having a heck of a time getting any pictures and many downloaded wallpapers to show up on my HTC Incredible. After I set the picture or whatever and crop it, I return to the home screen and the Colorful Bubble HTC Wallpaper always shows up instead, only the live wallpaper really works all the time. Anyone else have the same problem or know a solution?
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Aug 24, 2010
I'm setting the wallpaper using any one of the available methods:
- getApplicationContext().setWallpaper(bitmap) - WallpaperManager.getInstance(context).setBitmap(bitmap)
The image I'm using is 320 * 400, but when it gets set only the center section of the image is displayed, like the image is way too big for the screen. My screen is hi-res, and this should fit into it easily.
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Sep 16, 2010
I have been reading through the manual for the Desire and it states that you can have a different lock screen wallpaper to the wallpaper when the screen has been unlocked.
However, I can't seem to manage this at all.
Does anyonw know if this is possible or if it is an error in the HTC manual?
The reason being I would like to have a nice bright lock screen image but a normal black background for when apps and widgets are all over it.
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Sep 15, 2009
However if I try to change the lock screen wallpaper, it doesn't give me the choice of "wallpaper gallery":menu -> wallpaper -> lock screen..just takes me directly to my photo albums.How can I choose lock screen wallpaper from the existing wallpaper gallery?
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Nov 11, 2010
I can not really figure how to change my home wallpaper from either resource or a URL.
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Jun 12, 2010
How can we pass Android Home Screen Widget info ( putExtra maybe ) to an Activity.. What particular method callback will handle this one?
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Aug 23, 2010
Is there an app that will randomly change your home screen and wallpaper to a different one at some pre-determined interval, say every time the phone restarts? There are so many cool looking home screens and wallpapers that I can't make up my mind. It would be nice to select a bunch and then have them randomly selected every restart or specified interval, kind of like shuffle on a CD player.
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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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Apr 2, 2009
I am 1) taking a picture and 2) then draw another Bitmap on top of it 3) then I store it
I am doing it as follows and it works on the emulator.
On the device I get a OutOfMemoryError: bitmap size exceeds VM budget android.graphics.Bitmap.nativeCopy(Native Method) android.graphics.Bitmap.copy(Bitmap.java:199) in the line copy the Bitmap to get a mutable Bitmap.
CODE:...........
What I am asking:
a) Is there a better way to do what I am doing? 1) take a picture 2) draw another Bitmap on top of it 3) then I store it
b) What is the best way to create a mutable Bitmap from the picture I just took with the camera?
In my app, resolution is not an issue. If it works better for small photos that would be fine.
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Feb 22, 2010
To any normal android Widgets based on View( Button ,TextView ...), I wanna manipulate the bitmap data before it is drawn on screen. I have tried the onDraw(Canvas canvas) method, But when the programe hit the onDraw(Canvas canvas) method, I think the bitmap has already been drawn to screen.
If there is any way that I can get the bitmap data before it's drawn to screen, so I can prevent it from being displayed , but grab the data, put it on the intent for some further use?
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May 14, 2010
I'm working on an Android application that needs to download an image and display it inside an image view. The Bitmap is passed to the main java file and added to the image view like this:
CODE:.......
This works, except that the left side of the image disappears off the screen. The ImageView is in a ScrollView and the scroll view maintains the correct size. This means that there is black space to the right in the ScrollView and the image is cut off to the left.
The XML for the ImageView is this:
CODE:.......
Any idea why my image is being cut off?
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Mar 2, 2010
The Home sample in the android sdk doesn't implement the Add item, which bring up the "Add to home screen" popup window, and Notifivcations item in onCreateOptionsMenu and onOptionsItemSelected. How to do that like the default home?
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Mar 30, 2010
Whenever I am using any app and press the home button, the home screen blacks out for a few secs and it takes around 10 sec to get all the icons back and before I can start using my phone again. I am using a non rooted mytouch 3g.
This problem does not happen if I exit an app by pressing the back button. It becomes very annoying at times.
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Jun 7, 2010
Can you have a different wallpaper for each of the seven home screens for the Inc. or is it just one for all?
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Oct 29, 2010
I'm trying to create a MapView in a service (live wallpaper), but have it hidden so that I can render it to a Bitmap, and then map it to a texture to render in opengl. I have a Canvas and a Bitmap, and I intended to call myMap.draw(myCanvas) in order to get it into the correct bitmap so that I could then bind it as a texture.
When I Initialize I do the following:
myMap = new MapView(ctx, APPSTATICS.MAP_API_KEY);
I get an error:
java.lang.RuntimeException: stub at com.google.android.maps.MapView.<init> (Unknown Source)
Why I can't create a new mapview which I can use to draw to a offscreen bitmap?
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Oct 28, 2010
I have a large image on the screen and I want to display a small image on that image where I touch the screen. but I do not know how to change the position of the image when I touch on the screen and the small image must display where ever I touch on screen.
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Jun 3, 2010
Is there way to dump the current screen to a bitmap in Android?
And what about dump screen of other applications? For example, running a service background, the foreground app could send an intent to start the service, and capture the current screen and save as a bitmap.
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Oct 4, 2010
With imageview and network-thread,i am making live cam-view ,bitmap size is "360 240", after parsing network-data to bitmap. Code...
All thing is good ,i can see live-cam but, to fit image in screen like " Bitmap.createScaledBitmap(orgBitmap, width, height / 2 , true)" Seeing bitmap is getting slow , the bigger bitmap is , the more speed down finally, shut-downed.
how to fit image in screen without pain?
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Mar 31, 2010
I am designing a home screen widget. I ran this widget on a HTC Hero device, which has a screen of 320 pixels * 480 pixels with mdpi. It ran perfect on HTC Hero. The widget takes 3 cells * 2 cells space, i.e. 240 pixels * 200 pixels.Then I ran this widget on a Nexus One device, which has a screen of 480 pixels * 800 pixels, mdpi. Since Nexus One also is mdpi, so I though 240dip is equivalent to 240 pixels on Nexus One and 200dip is equivalent to 200 pixels on Nexus One, so the widget will not take 3 cells * 2 cells space on Nexus One device. To my surprise, when running on Nexus One device, the widget take exact 3 cells * 2 cells, about 360 pixels * 300 pixels, on Nexus One device.I am confused. The layout xml above specifies 240dip in width and 200dip in height for the widget, but why did it take 360 pixels * 300 pixels on Nexus One Device? What am I missing?
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