Get rid of the leading / in your path to the png. It should be images/p8.png.
Also, consider using the cleaner Image.asset constructor, for example:
new Image.asset('images/p8.png', width: 100.0, height: 100.0)
Get rid of the leading / in your path to the png. It should be images/p8.png.
Also, consider using the cleaner Image.asset constructor, for example:
new Image.asset('images/p8.png', width: 100.0, height: 100.0)