flat button shape flutter code example

Example 1: flat button rounded shape

new OutlineButton(
  child: new Text("Button text"),
  onPressed: null,
  shape: new RoundedRectangleBorder(borderRadius: new BorderRadius.circular(30.0))
)

Example 2: flatbutton flutter

FlatButton(
  onPressed: () {
    /*...*/
  },
  child: Text(
    "Flat Button",
  ),
)