GradientText.dart

class GradientText extends StatelessWidget {
  final Shader linearGradient = LinearGradient(
    colors: <Color>[Color(0xffDA44bb), Color(0xff8921aa)],
  ).createShader(Rect.fromLTWH(0.0, 0.0, 200.0, 70.0));


  @override
  Widget build(BuildContext context) {
    return  Center(child: Text(
      'Hello World',
      style: new TextStyle(
          fontSize: 50.0,
          fontWeight: FontWeight.bold,
          foreground: Paint()..shader = linearGradient),
    ),);
  }
}