BitmapFactory works perfectly on .png image but returns null when i load jpeg image from url

Question

BitmapFactory works perfectly on .png image but returns null when I load jpeg image from url.

BitmapFactory.decodeStream( (InputStream) new URL(URL).getContent(), null, options);

I use this code but when I provide a jpeg image url it returns null.

What should I do?

score 1 · Accepted Answer · answered Sep 03 '12 at 09:53

try this way may it works it works for me for .jpg image

 Bitmap bitmaps = LoadImage(strMainImageLink, new BitmapFactory.Options()); where **LoadImage** method is as shown below

LoadImage method

private Bitmap LoadImage(String URL, BitmapFactory.Options options)
  {      
   Bitmap bitmap = null;
   InputStream in = null;      
      try {
        //  in = OpenHttpConnection(URL);
          bitmap = BitmapFactory.decodeStream(OpenHttpConnection(URL), null, options);
        //  in.close();

      } catch (IOException e1) {
          Log.e("erererere", e1.toString());
      }
      return bitmap;              
  }


private InputStream OpenHttpConnection(String strURL) throws IOException{
 InputStream inputStream = null;
 URL url = new URL(strURL);
 URLConnection conn = url.openConnection();


 try{
  HttpURLConnection httpConn = (HttpURLConnection)conn;
  httpConn.setRequestMethod("GET");
  httpConn.connect();

  if (httpConn.getResponseCode() == HttpURLConnection.HTTP_OK) {
   inputStream = httpConn.getInputStream();
  }
 }

 catch (Exception ex)
 {
     Log.e("error",ex.toString());
 }
 return inputStream;
}

score 0 · Answer 2 · answered Sep 03 '12 at 09:41

0

Check if your jpg has a color profile set in it. The Android bitmap decoder has failed me because of this. Sadly I did not have the time or resources to find a solution for this.

To know if there is color profile set in the jpg, try to open it with photoshop, if there is it should prompt you to ask you what to do with the profile.

answered Sep 03 '12 at 09:41

Yahel

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but image randomly comes from internet . – Kailash Dabhi Sep 03 '12 at 09:42
Had the same problem. First things first. Download the file that doesn't work and check this color profile thing. Then try the same code with an image that you know doesn't have a color profile. If it loads correctly you have your culprit. – Yahel Sep 03 '12 at 09:44

score 0 · Answer 3 · answered Dec 09 '17 at 17:47

A URL uniquely identifies a resource on the web. A good way to test a url is with a browser. I have no idea what new URL(URL) is supposed to do. URL takes a string argument but other constructors are available see https://docs.oracle.com/javase/7/docs/api/java/net/URL.html If you pass a string to a constructor you probably want to assign a value to the string or just use a literal string example new URL("google.com") at least you will get something other than null pointer. I have no way of knowing what url your image is because the web is a big place.

BitmapFactory works perfectly on .png image but returns null when i load jpeg image from url

3 Answers3

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