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2014/10/16 ¤W¤È 08:22:33
android Programming Glossary: reqheightBitmap recycle with largeHeap enabled http://stackoverflow.com/questions/12716574/bitmap-recycle-with-largeheap-enabled much we need to scale the image First way if imageHeight reqHeight imageWidth reqWidth if imageWidth imageHeight inSampleSize Math.round.. inSampleSize Math.round float imageHeight float reqHeight else inSampleSize Math.round float imageWidth float reqWidth.. int inSampleSize Math.min imageWidth reqWidth imageHeight reqHeight The you can set the inSampleSize options.inSampleSize inSampleSize..
BitmapFactory.decodeStream out of memory despite using reduced sample size http://stackoverflow.com/questions/15254272/bitmapfactory-decodestream-out-of-memory-despite-using-reduced-sample-size InputStream inputStream int reqWidth int reqHeight ByteArrayOutputStream baos new ByteArrayOutputStream byte buffer.. calculateInSampleSize options reqWidth reqHeight options.inPurgeable true options.inInputShareable true options.inJustDecodeBounds.. BitmapFactory.Options options int reqWidth int reqHeight Raw height and width of image final int height options.outHeight..
Out of memory while creating bitmaps on device http://stackoverflow.com/questions/17990086/out-of-memory-while-creating-bitmaps-on-device bitmap Bitmap bm decodeSampledBitmapFromPath src reqWidth reqHeight use this Defination public Bitmap decodeSampledBitmapFromPath.. decodeSampledBitmapFromPath String path int reqWidth int reqHeight final BitmapFactory.Options options new BitmapFactory.Options.. calculateInSampleSize options reqWidth reqHeight Decode bitmap with inSampleSize set options.inJustDecodeBounds..
Bitmap recycle with largeHeap enabled http://stackoverflow.com/questions/12716574/bitmap-recycle-with-largeheap-enabled given in the explanation of docs. Calculating how much we need to scale the image First way if imageHeight reqHeight imageWidth reqWidth if imageWidth imageHeight inSampleSize Math.round float imageHeight float reqHeight else inSampleSize.. if imageHeight reqHeight imageWidth reqWidth if imageWidth imageHeight inSampleSize Math.round float imageHeight float reqHeight else inSampleSize Math.round float imageWidth float reqWidth Second way int inSampleSize Math.min imageWidth reqWidth imageHeight.. Math.round float imageWidth float reqWidth Second way int inSampleSize Math.min imageWidth reqWidth imageHeight reqHeight The you can set the inSampleSize options.inSampleSize inSampleSize Then finally make sure you call options.inJustDecodeBounds..
BitmapFactory.decodeStream out of memory despite using reduced sample size http://stackoverflow.com/questions/15254272/bitmapfactory-decodestream-out-of-memory-despite-using-reduced-sample-size website. Here is my code public static Bitmap decodeSampledBitmapFromResource InputStream inputStream int reqWidth int reqHeight ByteArrayOutputStream baos new ByteArrayOutputStream byte buffer new byte 1024 int len try while len inputStream.read buffer.. true BitmapFactory.decodeStream is1 null options options.inSampleSize calculateInSampleSize options reqWidth reqHeight options.inPurgeable true options.inInputShareable true options.inJustDecodeBounds false options.inPreferredConfig Bitmap.Config.ARGB_8888.. e e.printStackTrace return null public static int calculateInSampleSize BitmapFactory.Options options int reqWidth int reqHeight Raw height and width of image final int height options.outHeight final int width options.outWidth int inSampleSize 1 if..
Out of memory while creating bitmaps on device http://stackoverflow.com/questions/17990086/out-of-memory-while-creating-bitmaps-on-device share improve this question use this method to resize your bitmap Bitmap bm decodeSampledBitmapFromPath src reqWidth reqHeight use this Defination public Bitmap decodeSampledBitmapFromPath String path int reqWidth int reqHeight final BitmapFactory.Options.. src reqWidth reqHeight use this Defination public Bitmap decodeSampledBitmapFromPath String path int reqWidth int reqHeight final BitmapFactory.Options options new BitmapFactory.Options options.inJustDecodeBounds true BitmapFactory.decodeFile path.. true BitmapFactory.decodeFile path options options.inSampleSize calculateInSampleSize options reqWidth reqHeight Decode bitmap with inSampleSize set options.inJustDecodeBounds false Bitmap bmp BitmapFactory.decodeFile path options return..
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