Flutter Kickstart - Navigation, material page route

list_screen_widget.dart

import 'package:flutter/material.dart';

import 'package:flutter_example/widgets/details_screen_widget.dart';

class ListScreenWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new Center(
      child: new Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: <Widget>[
          new Text('List Screen!'),
          new RaisedButton(
            onPressed: () => _navigateToDetailsScreen(context),
            child: new Text('Navigate to ListScreen!'),
          ),
          new RaisedButton(
            onPressed: () => Navigator.of(context).pop(),
            child: new Text('Back to HomeScreen!'),
          )
        ],
      ),
    );
  }

  void _navigateToDetailsScreen(BuildContext context) {
    Navigator.push(
      context,
      new MaterialPageRoute(
        builder: (context) => new DetailsScreen(),
      ),
    );
  }
}