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| import 'package:flutter/material.dart';
void main() => {
runApp(MyApp(
items: new List<Widget>.generate(120, (i) {
return new Container(
child: new Text(
'第${(i ~/ 4 + 1)}行\n第${i % 4 + 1}个元素',
style: TextStyle(fontSize: 15.0),
),
color: Colors.red[200],
alignment: Alignment.center,
margin: const EdgeInsets.fromLTRB(0, 0, 0, 5.0),
);
})))
};
class MyApp extends StatelessWidget {
final List<Widget> items;
MyApp({Key key, @required this.items}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'GridView',
home: Scaffold(
appBar: new AppBar(title: new Text('GirdView')),
body: GridView.count(
padding: const EdgeInsets.all(20.0),
crossAxisCount: 4,
crossAxisSpacing: 10.0,
children: items),
),
);
}
}
|
