main.dart

class MyHomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('DevStyle app'),
      ),
      body: Column(
        children: <Widget>[
          Image.network('https://wallpapercave.com/wp/lC4AiAn.jpg'),
          MyCenteredText(),
          RaisedButton(
            child: Text('GO THERE!'),
            onPressed: () {
              //Call business logic
            },
          )
        ],
      ),
    );
  }
}