title: How can we code a custom map where each block (house) is clickable in flutter?
body: <p>How can we code the below image in flutter where each orange block in image should be clickable and on clicking it should open a dialog.</p>
  <p><a href="https://i.stack.imgur.com/E3JYZ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/E3JYZ.png" alt="Code the image" /></a></p>