rounded circular button fluetter code example
Example: circular button in flutter
Container(
width: 90,
height: 90,
child: RaisedButton(onPressed: (){
},
color: Colors.deepOrange,
textColor: Colors.white,
shape: CircleBorder(side: BorderSide.none),
child: Text('Login',style: TextStyle(
fontSize: 20.0
),
),
),
)