How do I create a selection avatar? in Flutter - flutter

Question

I'm creating an app where the user can choose up to avatars, my question is how do I make the avatars have the following state: when selected, the selected avatar should display in a container.
below is an image of the avatar when selected.enter image description here
I'm creating an app where the user can choose up to avatars, my question is how do I make the avatars have the following state: when selected, the selected avatar should display in a container.
below is an image of the avatar when selected.enter image description here
Code:
//avatar selection
Center(
child: Container(
height: 130,
width: 130,
decoration: BoxDecoration(
color: Colors.grey[100],
borderRadius:
BorderRadius.circular(30),
boxShadow: const [
BoxShadow(
blurRadius: 5.0,
color: Colors.grey),
],
),
child: Image.asset(
'assets/images/purple_male.png',
fit: BoxFit.scaleDown,
)),
),
const SizedBox(height: 50),
Padding(
padding: const EdgeInsets.all(1),
child: Row(
children: [
Container(
decoration: BoxDecoration(
borderRadius:
BorderRadius.circular(
50),
boxShadow: const [
BoxShadow(
blurRadius: 5.0,
color: Color.fromARGB(
255,
209,
209,
209)),
],
),
height: 90,
width: 90,
child: Image.asset(
'assets/images/purple_male2.png',
fit: BoxFit.scaleDown,
),
),
const SizedBox(width: 20),
Container(
decoration: BoxDecoration(
borderRadius:
BorderRadius.circular(
50),
boxShadow: const [
BoxShadow(
blurRadius: 5.0,
color: Color.fromARGB(
255,
209,
209,
209)),
],
),
height: 90,
width: 90,
child: Image.asset(
'assets/images/purple_male.png',
fit: BoxFit.scaleDown,
),
),
],
),
),
),
),
);