3. Give the Icon a color of Colors.amber from the
         Material Color palette, and run again.

Image widget

The Image widget displays an image.
You either can reference images using a URL,
or you can include images inside your app package.
Since DartPad can’t package an image,
the following example uses an image from the network.

Example: Displaying an image

The following example displays an image that’s
  stored remotely on GitHub.
  The Image.network method takes a string
  parameter that contains an image’s URL.

In this example, Image.network contains a non-working URL.

1. Click the Run button.

2. Change the non-working URL to the actual URL:

https://raw.githubusercontent.com/flutter/website/main/examples/layout/sizing/images/pic1.jpg