Fading Avatar

A fading avatar
Simply use it with properties
top:
The space from the top of the screen
left:
The space from the left side of the screen
radius:
Radius of circle avatar
expandTimes:
Lenght of widget animation. default value is 1
child:
Background widget. It should be Scrollable
controller:
Controller which attached to your child list view
reverse:
Set it true if you want it to be from min size to max size. its default value is false
image:
The Avatar image you want to use
border:
BoxBorder of your image
Example using:

ScrollController controller = ScrollController();
...
AvatarStack(
controller: controller,
top: 200,
radius: 150,
child: ListView(
controller: controller,
children: [
...[
Colors.red,
Colors.blue,
Colors.blueGrey,
Colors.deepPurple,
Colors.green,
Colors.amber,
Colors.black,
Colors.purple,
Colors.yellow,
Colors.brown
].map((e) => Container(width: 450, height: 200, color: e))
],
),
),