Container容器组件初试-Flutter

Container容器组件初试

• 效果

• 源代码

  import 'package:flutter/material.dart';
  void main () => runApp(MyApp());
  
  class MyApp extends StatelessWidget{
    @override
    Widget build(BuildContext context ){
      return MaterialApp(
        title:'Text widget',
        home:Scaffold(
          body:Center(
            child: Container(
              child: new Image.network("https://cdn.jsdelivr.net/gh/cnatom/images/images/logo.png"),
              alignment: Alignment.topLeft,
              padding: EdgeInsets.fromLTRB(0.0, 100.0, 0.0, 0.0),
              margin: EdgeInsets.all(10.0),
              decoration: BoxDecoration(
                  border: Border.all(width: 10,color: Colors.lightBlueAccent),
                  gradient:LinearGradient(
                    colors: [Colors.blue,Color.fromARGB(100,34,153,244)],
                    begin: AlignmentDirectional.bottomEnd,
                  )
              ),
            ),
          ),
        )
      );
    }
  }