Android: SkImageDecoder:: Factory returned null

Question

I'm using my localhost to fetch images and to view in an ImageView. For some reason I'm getting Factory returned null error. I've looked through the code many times and I don't see what's wrong. Any help would be appreciated!

GalleryZoom.java

public class Zoom extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
        setContentView(R.layout.gallery_zoom);

        String selection = getIntent().getExtras().getString("image");
        Toast.makeText(this, selection, Toast.LENGTH_LONG).show();

        new backgroundLoader().execute();       
    }


    private class backgroundLoader extends AsyncTask<Void, Void, Void> {
        Bitmap bmp;

        @Override
        protected Void doInBackground(Void... params) {

            bmp = DecodeBitmapSampleSize(getIntent().getExtras().getString("image"), 48, 64);
            return null;
        }

        @Override
        protected void onPostExecute(Void result) {
            super.onPostExecute(result);

            ImageView image = (ImageView) findViewById(R.id.imageZoom);
            image.setImageBitmap(bmp);
        }

    }

    public Bitmap DecodeBitmapSampleSize (String strURL, int reqWidth, int reqHeight) {
        InputStream in = null;
        Bitmap bmp = null;

        in = OpenHttpConnection(strURL);
        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeStream(in, null, options);

        options.inSampleSize = calculateSampleSize(options, reqWidth, reqHeight);

        options.inJustDecodeBounds = false;
        bmp = BitmapFactory.decodeStream(in, null, options);
                return bmp;
    }

    private InputStream OpenHttpConnection(String strURL) {

        try {
            URL url = new URL(strURL);

            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            InputStream in = new BufferedInputStream(connection.getInputStream());
            return in;
        } catch (Exception exception) {
            exception.printStackTrace();
            return null;
        }
    }

    public static int calculateSampleSize(BitmapFactory.Options options,
            int reqWidth, int reqHeight) {

        final int width = options.outWidth;
        final int height = options.outHeight;
        int inSampleSize = 1;

        if (width > reqWidth || height > reqHeight) {
            if (width > height) {
                inSampleSize = Math.round((float) height / (float) reqHeight);
            } else {
                inSampleSize = Math.round((float) width / (float) reqWidth);
            }
        }
        return inSampleSize;
    }

}

LogCat Log

08-13 21:55:19.578: I/MemoryCache(3197): MemoryCache maximum limit is 6MB
08-13 21:55:19.658: I/MemoryCache(3197): cache size = 24600, length = 1
08-13 21:55:19.688: I/MemoryCache(3197): cache size = 24600, length = 1
08-13 21:55:19.708: I/MemoryCache(3197): cache size = 24600, length = 1
08-13 21:55:19.708: I/MemoryCache(3197): cache size = 24600, length = 1
08-13 21:55:20.628: I/MemoryCache(3197): cache size = 71600, length = 2
08-13 21:55:20.678: I/MemoryCache(3197): cache size = 101408, length = 3
08-13 21:55:26.228: I/MemoryCache(3197): MemoryCache maximum limit is 6MB
08-13 21:55:26.228: I/MemoryCache(3197): MemoryCache maximum limit is 6MB
08-13 21:55:26.998: D/skia(3197): --- SkImageDecoder::Factory returned null

refer this post it worked for me : [http://stackoverflow.com/questions/23559736/android-skimagedecoderfactory-returned-null-error][1] [1]: http://stackoverflow.com/questions/23559736/android-skimagedecoderfactory-returned-null-error — mithil1501, Jan 22 '15 at 12:30

score 63 · Answer 1 · answered Oct 25 '12 at 05:46

63

I have encountered the same problem. And also I make sure the url is correct to download the image. By debugging the code, I found the variable of position in inputstream was set to 1024 after the first decode. So I add inputstream.reset() before the second decode. That works. Hope can help others.

answered Oct 25 '12 at 05:46

George Jia

659
6
7

6

This worked for me, but make sure you call ```boolean supported = inputStream.markSupported()``` first. Marking must be supported or reset() will throw an ```IOException```. If it's not supported, maybe open up a second input stream. – Shellum Jun 19 '13 at 16:01
how did you solve this? i got the same problem and i've posted about it here: http://stackoverflow.com/questions/17774442/how-to-get-bitmap-information-and-then-decode-bitmap-from-internet-inputstream . for some reason, it doesn't work on some very specific websites and files. – android developer Jul 21 '13 at 20:56

score 12 · Answer 2 · edited Dec 28 '20 at 01:34

After looking around I got the best solution.

As #jia George point out, you should reset the inputstream after first decoding, the issue is that some time reset is not supported but you can wrap inputstream inside a BufferedInputStream and this one is fine.

final BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true; 
BufferedInputStream buffer=new BufferedInputStream(is);
BitmapFactory.decodeStream(buffer,null,options);
buffer.reset();

    // Calculate inSampleSize
options.inSampleSize = calculateInSampleSize(options, reqWidth,reqHeight);

    // Decode bitmap with inSampleSize set
options.inJustDecodeBounds = false; 
BitmapFactory.decodeStream(buffer,null,options);

score 12 · Answer 3 · answered Jun 20 '16 at 23:44

12

This might be a rare case but for those of you using Picasso you'll see this error if you try to load an image from URL but the URL doesn't refer to an image.

For example:
http://www.google.ca
instead of:
https://www.google.ca/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png

answered Jun 20 '16 at 23:44

alexgophermix

4,189
5
32
59

Also, some URL's may end with a `.jpg`, `.png`, `.tif`, etc., but do not actually refer to an image. For example: http://www.guoguiyan.com/data/out/96/69698096-high-resolution-wallpapers.jpg. – shoe Oct 02 '17 at 20:33

score 1 · Answer 4 · answered Mar 24 '14 at 18:42

1

I had a similar problem when reading a stream from an Intent returned from the gallery app. inputstream.reset() throws an IOException, as Shellum mentions above, so I solved it by just closing the stream and reopening it again. Simple, and did the trick.

answered Mar 24 '14 at 18:42

emote_control

745
6
21

I followed this advice by setting the stream position to 0 (in C#) – Gandalf458 Mar 10 '17 at 02:27

score 1 · Answer 5 · answered Feb 25 '17 at 08:46

1

As above with Picasso make sure that your url is correct, just copy and paste the link from your development program into your web browser

I typed:

http://lorepixel.com/600/400/city

instead of

http://lorempixel.com/600/400/city

answered Feb 25 '17 at 08:46

Dom

11
2

Android: SkImageDecoder:: Factory returned null

5 Answers5

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