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samples/web/charts/example/lib/main.dart

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// Copyright 2018 the Charts project authors. Please see the AUTHORS file
// for details.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'package:flutter_web/material.dart';
import 'app_config.dart';
import 'home.dart';
/// The main gallery app widget.
class GalleryApp extends StatefulWidget {
GalleryApp({Key key}) : super(key: key);
@override
GalleryAppState createState() => new GalleryAppState();
}
/// The main gallery app state.
///
/// Controls performance overlay, and instantiates a [Home] widget.
class GalleryAppState extends State<GalleryApp> {
// Initialize app settings from the default configuration.
bool _showPerformanceOverlay = defaultConfig.showPerformanceOverlay;
@override
Widget build(BuildContext context) {
return new MaterialApp(
title: defaultConfig.appName,
theme: defaultConfig.theme,
showPerformanceOverlay: _showPerformanceOverlay,
home: new Home(
showPerformanceOverlay: _showPerformanceOverlay,
onShowPerformanceOverlayChanged: (bool value) {
setState(() {
_showPerformanceOverlay = value;
});
},
));
}
}
void main() {
runApp(new GalleryApp());
}