Convert String to Drawable

Question

I want to raise a notification showing an icon in the status bar - so far so good, but actually I would like this icon to be a 3 character String.

So my question is: Is

Answer 1

try  {

    InputStream inputStream = new URL(Your imageWebAddress).openStream();

    drawable = Drawable.createFromStream(inputStream, null);
    inputStream.close();
  }
  catch (MalformedURLException ex) { }
  catch (IOException ex) { }
  layout.setBackground(drawable);