import 'package:flutter/material.dart';

class WrapExample extends StatelessWidget{

  @override
  Widget build(BuildContext context){

    return Scaffold(
      appBar: AppBar(
        title: Text("Wrap Example"),
      ),
      body: Column(
        crossAxisAlignment: CrossAxisAlignment.center,
        mainAxisAlignment: MainAxisAlignment.center,
        children: <Widget>[ // array
        Wrap(
          // mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Container(
              width: 100,
              height: 100,
              color: Colors.blue[700],
            ),
            Container(
              width: 100,
              height: 100,
              color: Colors.red,
            ),
            Container(
              width: 100,
              height: 100,
              color: Colors.green[700],
            ),
            Container(
              width: 100,
              height: 100,
              color: Colors.yellow,
            ),
            Container(
              width: 100,
              height: 100,
              color: Colors.purple,
            ),
          ],
        ),
        ],
      ),
    );
  }
}