title: Flutter local notifications Icon not showing
body: <p>I am facing a problem that is very common, but no solution I saw helped me. So, I'm trying to show local notifications.</p>
  
  <p>Everything works except the icon. Following the package's documentation, I added an icon to the drawable, but it doesn't work.</p>
  
  <p>Here is the structure of my folder and the image I want to show</p>
  
  <p><a href="https://i.stack.imgur.com/7UK71.png" rel="noreferrer"><img src="https://i.stack.imgur.com/7UK71.png" alt="folder structure"></a></p>
  
  <p>Here is my code to initialization </p>
  
  <p><a href="https://i.stack.imgur.com/ZN0TO.png" rel="noreferrer"><img src="https://i.stack.imgur.com/ZN0TO.png" alt="initialization code"></a></p>
  
  <p>I tried many things. I created icons with transparency (using <a href="https://romannurik.github.io/AndroidAssetStudio/" rel="noreferrer">https://romannurik.github.io/AndroidAssetStudio/</a>) and added to the drawable, added the PNG as in the first image.</p>
  
  <p>It only works when I copy the standard icon to the drawable, which is the Flutter logo.</p>