firstflutter.dart

//add image https://stackoverflow.com/questions/50903106/how-to-add-image-in-flutter
// add button:FlatButton
// layout column
// color
// button radius rect
// set button width 
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    final wordPair = WordPair.random();
    return MaterialApp(
      title: 'Welcome to Flutter',
      home: Scaffold(
        appBar: AppBar(
          title: Text('Welcome to Flutter'),
        ),
        body: Center(
          child:Column(
          children: <Widget>[
            Container(
              color: Colors.red,
              child: Image.asset('assets/images/g.jpg'),
            ),
            Container(
              color: Colors.blue,
              child:Text("一个产品\n欢迎你"),
            ),
           new SizedBox(
            width:300,
            child: new FlatButton(
                    child: Text("体验一下"),
                    color:Colors.red,              
                    shape: new RoundedRectangleBorder(
                      borderRadius: new BorderRadius.circular(30.0),
                    ),
                    onPressed: () {},
              )
            ),
            Container(
              color: Colors.blue,
              child:Text("其他方式登录"),
            ),
            Container(
              color: Colors.blue,
              child:Text("微信·支付宝"),
            ),
            Container(
              color: Colors.blue,
              child:Text("登录就意味着你认了"),
            ),
            new Text("服务热线00001111"),
          ],
        ),
        ),
      ),
    );
  }
}