title: How can I change the background color of the app icon in the android task drawer with a Flutter app?
body: <p>I have an app and its default icon is a flutter default icon. Its background is white.</p>
  <p><a href="https://i.stack.imgur.com/ZHxv0.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ZHxv0.png" alt="enter image description here" /></a></p>
  <p>However, when i use the app the background of this icon changes to blue.</p>
  <p><a href="https://i.stack.imgur.com/npd8U.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/npd8U.png" alt="enter image description here" /></a></p>
  <p>I believe it is a default color for flutter apps.</p>
  <p>How can I change it to green, for example?</p>