Have you looked at logcat? Are there any suspicious messages? Probably there's a problem with freeing bitmaps and you run out of memory.
On Feb 14, 5:21 am, peter <[email protected]> wrote: > Greetings, > > I've been having an interesting problem with a game I'm developing. > > The game is being built using the cocos2d-android-1 library. > > All sprites are loaded from ARGB8888 files. They are of varying size > (not powers of 2). > > When I deploy a test build to my Nexus One after making any code > changes (anything that forces the device to redeploy the APK) all the > sprites show up just fine. Alpha shows up correctly, etc. > > If I rerun the application from my N1, it will be missing some or all > of the textures at random. Occasionally this is my splash screen > sprite. Sometimes it is sprites of individual items on the screen. > There doesn't seem to be any rhyme or reason as to what sprites are > rendered and which are not. All the items move and behave correctly, > but the sprites have been rendered with white textures. > > If I reboot my phone, the game loads fine for the initial play > through, but subsequent play throughs have the bug again. > > Now I've done some research and it looks like some people had issues > using non-power of 2 images for openGL textures. However this doesn't > explain why my non-power of 2 textures render fine on the first > passthrough, and fail on subsequent passthroughs. > > Also I've noticed that this problem seems to occur more often when I > have the application loading images from the sdcard. If I load the > images from the assets folder and use the AssetManager I don't run > into the issue as much, although I did see it very rarely. > > Is there some type of file locking going on here that is preventing > subsequent playthroughs from accessing the image file? When a bitmap > is loaded, does it prevent other applications from reading the image > file while it's in use? > > I'm going to try using sprite sheets and/or switching everything to > use powers of 2, but I'm not sure if that will fix it. I swear it is > something wrong with how the files are loaded (asset folder vs folder > on sdcard) that is prevent subsequent playthroughs from correctly > loading the texture. > > This is the code I'm using to read in the files: > > private static HashMap<String, CCTexture2D> textureMappings = new > HashMap<String, CCTexture2D>(); > public static final CCTexture2D addTexture(String filePath) { > if(filePath.contains("../")) { > return null; > } > CCTexture2D rtn = textureMappings.get(filePath); > if (rtn == null) { > String path = Constants.DEFAULT_PATH + filePath; > File f = new File(path); > if (f.exists()) { > Bitmap bmp = > BitmapFactory.decodeFile(Constants.DEFAULT_PATH + > filePath); > rtn = new CCTexture2D(bmp); > textureMappings.put(filePath, rtn); > } > } > return rtn; > } > > This is the constructor for CCTexture2D: > > public CCTexture2D(Bitmap image) { > > CGSize imageSize = CGSize.make(image.getWidth(), > image.getHeight()); > CGAffineTransform transform = CGAffineTransform.identity(); > > int width = toPow2((int) imageSize.width); > int height = toPow2((int) imageSize.height); > > while (width > kMaxTextureSize || height > kMaxTextureSize) { > width /= 2; > height /= 2; > transform = transform.getTransformScale(0.5f, 0.5f); > imageSize.width *= 0.5f; > imageSize.height *= 0.5f; > } > > if (imageSize.width != width || imageSize.height != height) { > Bitmap bitmap = Bitmap.createBitmap(width, height, > image.hasAlpha() ? Bitmap.Config.ARGB_8888 : > Bitmap.Config.RGB_565); > Canvas canvas = new Canvas(bitmap); > canvas.drawBitmap(image, 0, 0, null); > image.recycle(); > image = bitmap; > } > > init(image, imageSize); > } > > This is what happens in init: > > private void init(Bitmap image, CGSize imageSize) { > mBitmap = image; > > mWidth = image.getWidth(); > mHeight = image.getHeight(); > mContentSize = imageSize; > // _format = image.getConfig(); > _maxS = mContentSize.width / (float) mWidth; > _maxT = mContentSize.height / (float) mHeight; > _texParams = _gTexParams; > ByteBuffer vfb = ByteBuffer.allocateDirect(4 * 3 * 4); > vfb.order(ByteOrder.nativeOrder()); > mVertices = vfb.asFloatBuffer(); > > ByteBuffer tfb = ByteBuffer.allocateDirect(4 * 2 * 4); > tfb.order(ByteOrder.nativeOrder()); > mCoordinates = tfb.asFloatBuffer(); > > if(mBitmap.getConfig() == Bitmap.Config.ARGB_8888) > premultipliedAlpha = true; > } -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
