content: import 'package:flutter/material.dart';
  import 'package:flutter_os_wear/screens/name_screen.dart';
  import 'package:flutter_os_wear/utils.dart';
  import 'package:flutter_os_wear/wear.dart';
  
  class StartScreen extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        backgroundColor: Colors.white,
        body: WatchShape(
          builder: (context, shape) {
            var screenSize = MediaQuery.of(context).size;
            final shape = InheritedShape.of(context).shape;
            if (shape == Shape.round) {
              // boxInsetLength requires radius, so divide by 2
              screenSize = Size(boxInsetLength(screenSize.width / 2),
                  boxInsetLength(screenSize.height / 2));
            }
            var screenHeight = screenSize.height;
            var screenWidth = screenSize.width;
  
            return Center(
              child: Container(
                color: Colors.white,
                height: screenSize.height,
                width: screenSize.width,
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.start,
                  mainAxisSize: MainAxisSize.max,
                  children: <Widget>[
                    FlutterLogo(size: 90),
                    SizedBox(height: 10),
                    RaisedButton(
                      highlightColor: Colors.blue[900],
                      elevation: 6.0,
                      child: Text(
                        'START',
                        style: TextStyle(color: Colors.white, fontSize: 16),
                      ),
                      shape: RoundedRectangleBorder(
                        borderRadius: BorderRadius.circular(20),
                      ),
                      color: Colors.blue[400],
                      onPressed: () {
                        Navigator.of(context).push(
                          MaterialPageRoute(builder: (context) {
                            return NameScreen(screenHeight, screenWidth);
                          }),
                        );
                      },
                    )
                  ],
                ),
              ),
            );
          },
        ),
      );
    }
  }
  