// Copyright 2015 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import 'dart:math' as math; import 'package:flutter/material.dart'; import 'package:flutter/rendering.dart'; import 'lib/solid_color_box.dart'; Color randomColor() { final List<Color> allColors = [ Colors.blue, Colors.indigo ].map((p) => p.values).fold([], (a, b) => a..addAll(b)); final random = new math.Random(); return allColors[random.nextInt(allColors.length)]; } RenderBox buildGridExample() { List<RenderBox> children = new List<RenderBox>.generate(30, (_) => new RenderSolidColorBox(randomColor())); return new RenderGrid(children: children, maxChildExtent: 100.0); } main() => new RenderingFlutterBinding(root: buildGridExample());