forked from lxm_flutter/FlutterUnit
129 lines
3.5 KiB
Dart
129 lines
3.5 KiB
Dart
import 'package:flutter/material.dart';
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/// create by 张风捷特烈 on 2020/8/16
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/// contact me by email 1981462002@qq.com
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/// 说明: 236 WidgetsApp 集合一个应用程序需要的部件,如路由、语言、一些调试开关等。也是实现MaterialApp和CupertinoApp的核心组件。
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// {
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// "widgetId": 236,
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// "name": "WidgetsApp基本使用",
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// "priority": 1,
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// "subtitle": "【pageRouteBuilder】 : *路由构造器 【PageRouteFactory】\n"
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// "【color】: *颜色 【Color】\n"
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// "【debugShowWidgetInspector】: 是否显示z组件查看器 【bool】\n"
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// "其他属性基本上同MaterialApp,详见之。",
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// }
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class WidgetsAppDemo extends StatefulWidget {
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@override
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_WidgetsAppDemoState createState() => _WidgetsAppDemoState();
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}
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class _WidgetsAppDemoState extends State<WidgetsAppDemo> {
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var _debugShowCheckedModeBanner = false;
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var _debugShowWidgetInspector = false;
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var _showPerformanceOverlay = false;
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@override
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Widget build(BuildContext context) {
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return Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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_buildSwitchers(),
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Container(
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height: 250,
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child: WidgetsApp(
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color: Colors.blue,
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debugShowCheckedModeBanner: _debugShowCheckedModeBanner,
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showPerformanceOverlay: _showPerformanceOverlay,
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debugShowWidgetInspector: _debugShowWidgetInspector,
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pageRouteBuilder:
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<T>(RouteSettings settings, WidgetBuilder builder) {
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return MaterialPageRoute<T>(settings: settings, builder: builder);
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},
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home: HomePage(),
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),
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),
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],
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);
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}
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Widget _buildSwitchers() {
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return DefaultTextStyle(
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style: TextStyle(color: Colors.blue),
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child: Wrap(
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spacing: 10,
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children: [
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Column(
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children: [
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Switch(
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value: _showPerformanceOverlay,
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onChanged: (v) {
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setState(() {
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_showPerformanceOverlay = v;
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});
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},
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),
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Text('性能浮层')
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],
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),
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Column(
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children: [
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Switch(
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value: _debugShowCheckedModeBanner,
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onChanged: (v) {
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setState(() {
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_debugShowCheckedModeBanner = v;
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});
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},
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),
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Text('开启角标')
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],
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),
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Column(
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children: [
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Switch(
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value: _debugShowWidgetInspector,
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onChanged: (v) {
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setState(() {
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_debugShowWidgetInspector = v;
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});
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},
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),
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Text('检查器')
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],
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)
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],
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),
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);
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}
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}
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class HomePage extends StatefulWidget {
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@override
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_HomePageState createState() => _HomePageState();
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}
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class _HomePageState extends State<HomePage> {
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var _count = 0;
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Container(
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alignment: Alignment(0, 0.7),
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child: Text(
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'你点击了$_count次',
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style: TextStyle(fontSize: 18, color: Colors.blue),
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),
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),
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floatingActionButton: FloatingActionButton(
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child: Icon(Icons.add),
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onPressed: () {
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setState(() {
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_count++;
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});
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},
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),
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);
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}
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}
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