bitmap return null when converted from url to bitmap

Question

I know there is lots of question regarding the same problem and i have tried many solution like this but i am still getting the empty string. here is my code

try {
      URL url = new URL(myUrl);
      InputStream in = url.openConnection().getInputStream();
      BufferedInputStream bis = new BufferedInputStream(in,1024*8);
      ByteArrayOutputStream out = new ByteArrayOutputStream();

      int len=0;
      byte[] buffer = new byte[1024];
      while((len = bis.read(buffer)) != -1) {
            out.write(buffer, 0, len);
      }
      out.close();
      bis.close();

      byte[] data = out.toByteArray();
      Bitmap bmp = BitmapFactory.decodeByteArray(data, 0, data.length);

      d = new BitmapDrawable(getResources(), bmp);

} catch (FileNotFoundException e) {
      d = getResources().getDrawable(R.mipmap.background);
} catch (MalformedURLException e) {
      e.printStackTrace();
} catch (IOException e) {
      e.printStackTrace();
}

myUrl is firebase storage url

Any reason to not use something like picasso ( http://square.github.io/picasso/ ) ? — Chris Gomez, Sep 14 '17 at 13:10
piccaso and glide are used to setimage in imageView but i only want drawable from url — Shashwat Gupta, Sep 14 '17 at 13:11
how? @BurhanuddinRashid can you please explain with a piece of code — Shashwat Gupta, Sep 14 '17 at 13:18
https://stackoverflow.com/questions/32799353/saving-image-from-url-using-picasso — Chris Gomez, Sep 14 '17 at 13:19

score 1 · Answer 1 · edited Oct 31 '17 at 09:33

1

Add Picassso libarary in your gradle file

compile 'com.squareup.picasso:picasso:2.5.2'

Than download image using picasso like this :

 Picasso.with(this)
.load(myUrl)
.into(new Target() {
      @Override
      public void onBitmapLoaded(Bitmap bitmap, Picasso.LoadedFrom from) { 

              //Convert your drawable here
              d = new BitmapDrawable(getResources(), bitmap);

      }

      @Override
      public void onBitmapFailed(Drawable errorDrawable) {

      }

      @Override
      public void onPrepareLoad(Drawable placeHolderDrawable) {

      }
 });

edited Oct 31 '17 at 09:33

Vishal Yadav

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answered Sep 14 '17 at 13:21

Burhanuddin Rashid

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still getting "" blank string in bitmap – Shashwat Gupta Sep 14 '17 at 13:48
How you are supposed get blank string in bitmap object...Have you kept the INTERNET permission – Burhanuddin Rashid Sep 14 '17 at 13:59
Yes i have given internet permission, i am getting url from internet i have checked its not returning null but when i am getting drawable from that url its giving me blank string – Shashwat Gupta Sep 14 '17 at 14:02

bitmap return null when converted from url to bitmap

1 Answers1