Answers for "flutter round TExtButton"

rounded raisedbutton in flutter

RaisedButton(
                onPressed: () {},
                color: Colors.amber,
                shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(10)),
                child: Text("Click This"),
              )

Round button with text and icon in flutter

OutlinedButton.icon(
              icon: Icon(Icons.home),
              onPressed: (){}, 
              label: Text('OutlinedButton'),
              style: OutlinedButton.styleFrom(
                shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20.0))
              )
            ),

round border button flutter

RawMaterialButton(
  onPressed: () {},
  elevation: 2.0,
  fillColor: Colors.white,
  child: Icon(
    Icons.pause,
    size: 35.0,
  ),
  padding: EdgeInsets.all(15.0),
  shape: CircleBorder(),
)