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2014/10/16 ¤W¤È 08:22:35
android Programming Glossary: reqwidthBitmap recycle with largeHeap enabled http://stackoverflow.com/questions/12716574/bitmap-recycle-with-largeheap-enabled the image First way if imageHeight reqHeight imageWidth reqWidth if imageWidth imageHeight inSampleSize Math.round float imageHeight.. else inSampleSize Math.round float imageWidth float reqWidth Second way int inSampleSize Math.min imageWidth reqWidth imageHeight.. reqWidth Second way int inSampleSize Math.min imageWidth reqWidth imageHeight reqHeight The you can set the inSampleSize options.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.. options options.inSampleSize calculateInSampleSize options reqWidth reqHeight options.inPurgeable true options.inInputShareable.. calculateInSampleSize BitmapFactory.Options options int reqWidth int reqHeight Raw height and width of image final int height..
Out of memory while creating bitmaps on device http://stackoverflow.com/questions/17990086/out-of-memory-while-creating-bitmaps-on-device your bitmap Bitmap bm decodeSampledBitmapFromPath src reqWidth reqHeight use this Defination public Bitmap decodeSampledBitmapFromPath.. public Bitmap decodeSampledBitmapFromPath String path int reqWidth int reqHeight final BitmapFactory.Options options new BitmapFactory.Options.. options options.inSampleSize 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 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 Math.round float imageWidth.. inSampleSize Math.round float imageHeight float reqHeight else inSampleSize Math.round float imageWidth float reqWidth Second way int inSampleSize Math.min imageWidth reqWidth imageHeight reqHeight The you can set the inSampleSize options.inSampleSize.. else inSampleSize 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..
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 the official 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.. true BitmapFactory.decodeStream is1 null options options.inSampleSize calculateInSampleSize options reqWidth reqHeight options.inPurgeable true options.inInputShareable true options.inJustDecodeBounds false options.inPreferredConfig.. Exception 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..
Out of memory while creating bitmaps on device http://stackoverflow.com/questions/17990086/out-of-memory-while-creating-bitmaps-on-device memory 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.. true BitmapFactory.decodeFile path options options.inSampleSize calculateInSampleSize options reqWidth reqHeight Decode bitmap with inSampleSize set options.inJustDecodeBounds false Bitmap bmp BitmapFactory.decodeFile path..
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