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POHow to prevent out of memory exception while trying to convert input stream object into bitmap in android?
 

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  1. POHow to prevent out of memory exception while trying to convert input stream object into bitmap in android?
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    <p>I had used following code to convert inputstream object into bitmap. But it returns "out of memory error", and BitmapFactory Options always returns Zero.</p> <pre><code>S3ObjectInputStream inputStreamReceiptObject = objectReceiptFromAmazonS3 .getObjectContent(); Bitmap bitmapImageFromAmazon = null; try { if (inputStreamReceiptObject != null){ BitmapFactory.Options o = new BitmapFactory.Options(); o.inSampleSize = 8; o.inJustDecodeBounds = true; bitmapImageFromAmazon = BitmapFactory.decodeStream(inputStreamReceiptObject,null,o); // o is always null if(bitmapImageFromAmazon == null){ System.out.println("Bitmap null"); } } </code></pre> <p>Advance Thanks for any help !</p> <p>SOLUTION : ( Lot of thanks to Honourable Don and Honourable Akshat )</p> <pre><code> ByteArrayOutputStream baos = null ; InputStream is1 = null,is2 = null; try { baos = new ByteArrayOutputStream(); // Fake code simulating the copy // You can generally do better with nio if you need... // And please, unlike me, do something about the Exceptions :D byte[] buffer = new byte[1024]; int len; while ((len = inputStreamReceiptObject.read(buffer)) &gt; -1 ) { baos.write(buffer, 0, len); } baos.flush(); // Open new InputStreams using the recorded bytes // Can be repeated as many times as you wish is1 = new ByteArrayInputStream(baos.toByteArray()); is2 = new ByteArrayInputStream(baos.toByteArray()); bitmapImageFromAmazon = getBitmapFromInputStream(is1,is2); if(bitmapImageFromAmazon == null) System.out.println("IMAGE NULL"); else System.out.println("IMAGE NOT NULL"); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { baos.close(); is1.close(); is2.close(); } public Bitmap getBitmapFromInputStream(InputStream is1,InputStream is2) throws IOException { Bitmap bitmap = null; try { //Decode image size BitmapFactory.Options o = new BitmapFactory.Options(); o.inJustDecodeBounds = true; BitmapFactory.decodeStream(is1,null,o); //Find the correct scale value. It should be the power of 2. int scale=1; //Decode with inSampleSize BitmapFactory.Options o2 = new BitmapFactory.Options(); o2.inSampleSize=scale; bitmap = BitmapFactory.decodeStream(is2, null, o2); } catch (Exception e) { e.printStackTrace(); } return bitmap; } </code></pre>
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