How To Use Overflow Box Widget Using Flutter Android App

import 'package:flutter/material.dart';
void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: MyHomePage(),
    );
  }
}
class MyHomePage extends StatefulWidget {
  @override
  State<StatefulWidget> createState() => MyHomePageState();
}

class MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Colors.blue[900],
          title: Text("OverflowBox Widget")),
      body: Center(
        child: Container(
          height: 70.0,
          width: 80.0,
          color: Colors.pink,
          child: OverflowBox(
            minHeight: 70.0,
            minWidth: 70.0,
            child: Container(
              height: 50.0,
              width: 50.0,
              color: Colors.orange,
            ),
          ),
        ),
      ),
    );
  }
}